Technology. Date: July,2nd. 2017. Project. Name. Senior People Monitoring ... Internet of Things, smart wearables, monitoring, web application, Master of Things .... Building wearable application on the wearable device . ..... 90 â 95 % of the basic .... This data visualization permits free movement of the senior while allows ...
Ministry of Communication and Information Technology Information Technology Institute Professional Training Program – Intake 37
PROJECT TECHNICAL MANUAL Prepared By REEM ESSSAM AHMED MAGDI SAMIRA NASSER
Supervised By ENG. BASSEM BOSHRA
INFORMATION TECHNOLOGY INSTITUTE 9-MONTH PROGRAM – INTAKE 37 GRADUATION PROJECT Project Code INT37-SV-IOT-01 Date: 16 June 2017 Revision: Version 1.0.0.0
INFORMATION TECHNOLOGY INSTITUTE SMART VILLAGE, GIZA, EGYPT JUNE 2017
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ACKNOWLEDGEMENT First, Thank you Allah for the wisdom and perseverance that has been bestowed upon us during this project, and indeed, throughout our life. Foremost, we would like to express our sincere gratitude to our supervisors Eng. Bassem Boshra and Eng. Shereen Bahader for their continuous support to our thesis, study and research, for their patience, motivation, enthusiasm, and immense knowledge. Their guidance helped us in all the time of this project. We would like to express our deepest appreciation to all those who provided us the possibility to complete this project. A special gratitude we give to Eng. Mohammed Abd El-glil And Eng. Abanoup whose contribution in motivating us to go further to a higher level of Knowledge, stimulating suggestions and encouragement, helped us to coordinate our project, and helped us also in the technical aspects needed to enhance our project . Furthermore, we would also like to acknowledge with much appreciation the crucial role of the staff of the Jets and Open Source tracks at Information Technology Institute, who gave us the permission to use all required equipment and the necessary materials to complete the task, Eng. Islam Askar and Eng.Mazen. We have to appreciate the guidance given by other supervisors who extend their help at various phases of this project. Finally yet importantly, we would like to thank our families, and our parents for supporting us spiritually throughout our lives and for supporting us in every possible way to see the completion of this work. We would like to thank them for parenting us even in the most stressful moments in life, and taking care of us even when we spend most of our times away from them, we would never forget their efforts and we wish them the best ever.
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Institute
Name
Information Technology Institute
Department
Reem E. Mohamed,
Obtained Degree
Ahmad Magdi,
Open Source IoT Application Development Diploma in Information Technology
Samira Nasser Project Name
Intake No.: 37
Date: July,2nd 2017
Senior People Monitoring
Abstract The world population is aging and the fertility rate is declining steadily. The U.S Census Bureau (2008) reported that the number of people aged 65 and over in the world was estimated to be 506 million in 2008, and this population group currently accounts for about 7 % of the total world population. The Bureau anticipates that older adults aged 65 and over will number approximately 1.3 billion by 2040, accounting for 14 % of total world population. This global demographic trend is thought to be caused by improvements in public health and hygiene, technological developments, and advances in health care. This project intends to implement IoT application that serves elderly house in monitoring senior remotely. The motivation for this project is to introduce an IoTbased application that enables senior’s movement while having his/her accurately monitored. Objectives of The project: A. Make an IoT based system that serves elderly homes in providing care to their seniors remotely. B. Provide computer based organization and supervision facilities for elderly homes Key words: Internet of Things, smart wearables, monitoring, web application, Master of Things
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TABLE OF CONTENTS 1. INTRODUCTION............................................................................................... 7 1.1. Project Description .................................................................................... 8 1.2. Business Objectives and Success Criteria .................................................. 8 1.3. Stakeholders .............................................................................................. 8 1.4. Target Customers....................................................................................... 9 1.5. Vision ........................................................................................................ 9 1.6. Scope ......................................................................................................... 9 1.7. Assumptions and Dependencies ................................................................. 9 1.8. Constraints................................................................................................. 9 1.9. Risks........................................................................................................ 10 1.10.
Resources ............................................................................................. 10
2. PROJECT MANAGEMENT PLAN ................................................................. 11 2.1. Milestones ............................................................................................... 11 2.2. Time plan ................................................................................................ 11 3. SENIOR People MONITORING ................................................................... 12 3.1. Senior People Monitoring System ........................................................... 12 3.1.1. Senior People Monitoring System Overview ........................................ 12 3.1.2. Senior Monitoring System Functionalities ......................................... 13 3.1.3. Senior Monitoring System Requirements .......................................... 14 3.2. Senior Monitoring System Project Flow .................................................. 14 3.3. System Stages and Functionalities ........................................................... 15 3.3.1. Selecting suitable wearable ................................................................ 15 3.3.2. Building wearable application on the wearable device....................... 17
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a. Accessing data ......................................................................................... 17 b. Maintaining connectivity and data integrity ............................................ 17 c. Achieving comfortable usability............................................................... 18 d. Conserving availability ............................................................................ 18 3.3.3. Building web interface for elderly home users ................................... 18 a. Web-based Registration form .................................................................. 19 b. Data Summarization ................................................................................ 22 c. Detailed Data Visualization..................................................................... 24 d. Elderly Home Related Data ..................................................................... 26 e. Data Storage ........................................................................................... 28 3.4. Project Scope ........................................................................................... 28 4. TECHNICAL DOCUMENTATION ................................................................... 29 4.1. Technical Specifications .......................................................................... 29 4.2. Project source code .................................................................................. 29 5. CONCLUSIONs AND FUTURE WORK ........................................................... 30 5.1. Conclusion............................................................................................... 30 5.2. Future work ............................................................................................. 31 References ..................................................................................................... 32
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TABLE OF FIGURES Figure 1.1 Average Annual Percentage Growth of Older Population in Developed and DevelopingCountries:1950 to 2050 [1]............................................................ 7 Figure 3.1 Overall Senior Monitoring System Architecture .................................. 13 Figure 3.2 classification of Senior People Monitoring System requirement ......... 14 Figure 3.3 Senior People Monitoring System Workflow ....................................... 15 Figure 3.4 different wearables for monitoring devices, e.g. (a)Fitbit alta HR , (b) sugarbeat, and (c) Samsung Gear......................................................................... 16 Figure 3.5 Samsung Gear web Application Interface for Senior People Monitoring System ................................................................................................................. 18 Figure 3.6 brief overview of the web application of Senior People Monitoring System workflow ................................................................................................. 20 Figure 3.7(a, b, c) three-step senior registration and (d) new senior ID generation ............................................................................................................................. 21 Figure 3.8 Creating Sensor on MOT for every senior in the last step of senior registration .......................................................................................................... 22 Figure 3.9 the list of all registered seniors in the elderly home ............................ 23 Figure 3.10 The list of all seniors registered in the elderly home and have a serious high heart rate issue ............................................................................................ 23 Figure 3.11 Detailed data visualization of a registered senior on clicking on his ID ............................................................................................................................. 25 Figure 3.12 Elderly home site registration form ................................................... 26 Figure 3.13 The list of elderly home registered sites ............................................ 27 Figure 3.14 Specialist registration form ............................................................... 27 Figure 3.16 Senior Monitoring System Database design ...................................... 28
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CHAPTER 1 1.
INTRODUCTION
Internet of Things (IoT) is the collection of devices and applications that connect to Information Technology (IT) systems through the internet. The spread of wireless enabled devices allow the machine-to-machine (M2M) communication that is the basis of IoT. According to the authors in [1], the world population is aging and the fertility rate is declining steadily. The U.S Census Bureau (2008) reported that the number of people aged 65 and over in the world was estimated to be 506 million in 2008, and this population group currently accounts for about 7 % of the total world population. The Bureau anticipates that older adults aged 65 and over will number approximately 1.3 billion by 2040, accounting for 14 % of total world population. This global demographic trend is thought to be caused by improvements in public health and hygiene, technological developments, and advances in health care. The variation of the average annual percent of growth of elderly people in developing and developed country and the overall world population through a hundred year period from 1950 to 2050 is shown in Figure 1.1.
Figure 1.1 Average Annual Percentage Growth of Older Population in Developed and DevelopingCountries:1950 to 2050 [1]
Using IoT devices to monitor seniors remotely in their homes has witnessed a noticeable spread through the last decade. Such applications permit senior’s monitoring while avoids traveling to a hospital or physician's office needlessly. On the other hand, it provides a comfortable real time monitoring and automatic history.
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There are many kinds of monitoring techniques for the elderly. For example, the Global Positioning System (GPS) and mobile phones can be used to track mentally confused elderly people if they wander outside the houses, However, the subject needs to carry the necessary devices at all times. Although the devices can be embedded into clothes, it may not be uncomfortable. Conventional emergency call systems need seniors to carry a small transmitter. This appears to function well in some areas like Denmark and not well in other like Japan, according to [2]. Long-term monitoring is valuable because it establishes a baseline against which current data can be evaluated. However, monitoring cannot be carried out in the long term if the system disturbs users' lives or puts them under pressure. Ideally, monitoring should be wholly unobtrusive. We have therefore developed a remote monitoring system for elderly people using wearable device, which is Samsung gear.
1.1. PROJECT DESCRIPTION This project intends to implement IoT application that servers elderly house in monitoring senior remotely. The motivation for this project is to introduce an IoT-based application that enables senior’s movement while having his/her accurately monitored.
1.2. BUSINESS OBJECTIVES AND SUCCESS CRITERIA The main objectives of this project can be summarize in three main points as shown below:
For elderly home: To introduce an IoT application system that is efficient and equivalent to the current systems which will lead to cost saving for the elderly homes and cause an increase in their revenue. For the team member: To have a deep understanding of IoT applications, system architecture, process, functions and how this system interacts with its users. For the ITI: To impress the business community with the quality of the ITI IoT application developer track graduates.
The success of this project can be measured by achieving an efficient working Senior Monitoring System that meets the requirements of the systems, and is ready for utilization in an elderly home.
1.3. STAKEHOLDERS Stakeholder
Major Benefits
Project Manager
The success of the project is a reflection of his/her good supervision and a promotion
Attitudes
Win Conditions
Constraints
Supportive
Meeting deadlines and achieving project’s success criteria
Time constraints
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for the quality of open source IoT track
1.4. TARGET CUSTOMERS Elderly homes that aim to use IoT technology to serve elders and help them connect to the whole world with minimal effort and highest Quality of Service.
1.5. VISION Our vision is to provide elderly people with comfortable, safe and happy life.
1.6. SCOPE The scope of the project is to build a monitoring system for elderly homes. Thus, each elderly home can collect real time data about its registered seniors remotely. The collected data are visualized by the home supervisor to take the suitable action for each case. The system also enables connection between the seniors and their loved ones through twitter. It also stores history of each senior for future use in case of any problem. On the other hand, it stays in touch with the registered doctors and specialists for consultant and easier office reservation
1.7. ASSUMPTIONS AND DEPENDENCIES AS-1: Master of Things (MoT) Application Enablement platform (AEP)
1.8. CONSTRAINTS Dimension
Constraint (state limits)
Driver (state objective)
Degree of Freedom (state allowable range)
Features
90 – 95 % of the basic features must be met
To meet the success criteria and the evolution plan of the project
70-80% of high priority features must be included in release 1.0
Quality
Meet IoT application requirements
To be able to compete with existing systems
90-95% of user acceptance tests must pass for release systems 1.0
Schedule
Project has to be completed 10 days at min before the defense date
To allow enough time for testing, documentation and enhancements
Not less than 10 days
maximum team size is 3 developers
This team size is appropriate to accomplish the planned requirements and to gain max benefits and experience
N/A
Staff
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1.9. RISKS Risk
Probability
Impact
Mitigation
Unavailable device in local market
10 %
Less Production and revenue for the sponsors , bad reputation for users
Increase the point of sales in all areas
unable to build applications, Operating system handling/ tools
20%
Lack of customers and users of the system
Support all operating system for all users
Badly affects the
Improve the system to support more lifetime and less power consumption
Battery lifetime /power constraint
Wireless communication module
Integration
20%
reputation of the product in the market
20%
Lack of customers too because all the devices aren`t support different wireless technologies
Working on fulfilling system requirements and making successive versions of the project with more features and enhancements
20%
Waste the time that required for the project
Provide supporter with the team that helps them in integration
1.10. RESOURCES Resources
Resource Description and Source
Team members
Three team members responsible for project execution
ITI staff and courses
Project support
MOT
IoT application enablement platform
ITI facilities
Classroom, labs, equipment, etc.
In this Project manual, we are going to discuss our project management plan in the second chapter. In chapter three, Senior Monitoring system specifications will be described in details. In chapter four, our project technical documentation and source codes are provided. In chapter five, conclusions and future work will be described in details.
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CHAPTER 2 2. PROJECT MANAGEMENT PLAN 2.1. MILESTONES Event or Deliverable
Target Date
Responsibility
Project charter approved
1/4/2017
ITI
Project plan completed
20/4/2017
Team members
Project plan approved
10/5/2017
ITI
Project team assembled
15/5/2017
Team members
Project execution initiated
21/5/2017
Team members
Project execution completed
20/6/2017
Team members
Customer acceptance
N/A
Project closed out
N/A
2.2. TIME PLAN days (from - to)
Task
(1-5)
Understanding MOT platform.
(5-7)
Detailed understanding of the functionality of system and platform to be implemented in our project’s software.
(7-9)
Competitor analysis (functionality, references, cost)
(9-21)
Design and architecture of our project’s software
(21-24)
Implementation, functionality testing and documentation
(24-30)
Testing (platform testing, integration testing, stress test)
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CHAPTER 3 3. SENIOR PEOPLE MONITORING In this chapter, senior monitoring system is discussed in details, showing its impact in connecting internet of things to human life. In first subsection, the overview of Senior monitoring system is presented. In the second subsection, the overall system changes and functionalities are discussed in details. In the third section, project scope is described. Finally, in the fourth section, the project flow of our senior monitoring system is discussed in details.
3.1. SENIOR PEOPLE MONITORING SYSTEM Senior Monitoring is a system that targets elderly homes. It links group of monitored senior people to each elderly home. Thus, real time measurements are automatically monitored and supervised through one of the home management members. The system sets triggers at urgent cases that are categorized according to their dangers on senior based on personal advises and standards. These triggers are shown for the supervisor in the form of alerts on their monitoring screen, an e-mail and SMS to each one of the senior’s family members and friends according to the senior registered preference. Therefore, our Senior Monitoring system represents a link between the senior and the society without interfering into the senior’s personal life or causing any disturbance in his/her lifestyle. Additionally, the senior can easily move and live anywhere without the fear of loneliness or sudden disturbance, since his/her is remotely monitored. On the other hand, the senior will not be obliged to wear any special device, since our system will be working through any smart wearable, e.g. Samsung gear.
3.1.1. SENIOR PEOPLE MONITORING SYSTEM OVERVIEW Since the heart rate and the activity level of human body represent powerful indicators of human level, a smart wearable is used by each senior to measure and send these data in real time. On the other hand, the need for dealing with large number of seniors that are spread in different elderly homes encouraged us to use cloud based services. Therefore, our system is based on the communication between smart wearable and a cloud based server that is able to process the received data and allow basic data visualization. Accordingly, each senior is remotely monitored by the site supervisor in which he/she has already registered. This data visualization permits free movement of the senior while allows accurate care for each senior independently. Additionally, each senior has been registered in the system with his group
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of friends who can receive important related updates through e-mails and SMSs. In order to maintain a complete system, specialists who work for the elderly home and its sites are also registered in the system. Specialist registration allows the elderly home easily reach or consult its specialist in case of senior’s health issues. That will allow reaching specialists even if they are abroad and they can be consulted for each case independently knowing its history. The architecture of Senior Monitoring system is shown in Figure 3.1.
A
Site A Supervisor
Senior Groups
Heart Rate Activity Level Battery Level
Elderly Home Specialists
Elderly Home Sites Site B Supervisor Figure 3.1 Overall Senior Monitoring System Architecture
3.1.2.SENIOR MONITORING SYSTEM FUNCTIONALITIES The functionalities that are performed by our Senior People Monitoring System are summarized as follows: 1. The system stores information about the senior including his/her personal information, the contact information of groups of selected people around him/her. 2. An application is installed on the senior’s wearable device to measure his/her heart rate and activity level. 3. The server receives real time information about the senior from his/her wearable device 4. The received data are analyzed by our system to get meaningful information to be visualized in easily read way by the elderly home supervisor. 5. The system starts to record the senior’s information 6. An alert is used to report any problem for any monitored seniors
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7. The system automatically shares tweets for each senior on special occasions and important updates using their hash tags.
3.1.3.SENIOR MONITORING SYSTEM REQUIREMENTS Our system requirements can be categorized into two main requirements, as shown in Figure 3.2, which are business requirements and application requirements. The business requirements target the possibility of the system being presented in the market. However, the system requirements target the possibility of the system existence and scalability. Both requirements target the ability of the system to be the best selling in market.
System Requirements
Application
Business Requirements
Requirements
-Low cost
-High Availability.
- Easy to use
- Scalability
- Easy maintenance
- Reliability Alarms
:
Figure 3.2 classification of Senior People Monitoring System requirement
3.2. SENIOR MONITORING SYSTEM PROJECT FLOW The functionalities that are performed by our Senior Monitoring System are achieved through certain sequence described in Figure 3.3 and can be summarized as follows: 1. Each user registers senior data as wearable device to the Senior Monitoring system. 2. The system generates unique ID for this senior called “Senior Id” 3. The wearable installs a web application that takes the Senior Id as a key to start functioning and communication with the system 4. The wearable application connects with the system and continuously sends the senior average heart rate and the activity level of the senior to the server every one minute
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5. These data are analyzed to show overall senior`s status in the “senior`s view” web page 6. The detailed data of each senior is visualized in the “senior’s details” web page for further actions 7. An alert is produced if the heart beat exceeds certain value for certain period of time or is less than the threshold value that is specified by the system.
Senior Registration
Data storage and Application Server
Cloud-based Application server with MySQL database
Overall Data Visualization
Wearable application
Event production every one minute from each device
Detailed Data Visualization
Data Visualization Figure 3.3 Senior People Monitoring System Workflow
3.3. SYSTEM STAGES AND FUNCTIONALITIES To achieve the previous requirements the system is divided into different stages each has certain function. In this section, we will discuss each stage and its functionality.
3.3.1.SELECTING SUITABLE WEARABLE Selecting suitable device for collecting data about the senior was not an easy task, due to the spread of wearable devices with different specifications from different vendors.
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However, we targeted the devices with suitable operating system and wireless communication module, e.g. Bluetooth enabled or Wi-Fi enabled, and available APIs. Additionally, the credibility of measurements was considered. Accordingly, we removed i-watch from our options due to our limited experience in iOS handling and limited support. We also removed all the devices with negative reviews about their measurement accuracy as most of the common activity trackers available in amazon. Thus, our options were limited to group of wearables. The first group of wearables measure heart rate, activity level, blood sugar rate and blood pressure, but they have not yet been released to market, e.g. h2. The second group of devices can measure only heart rate and activity level, but are available in market e.g. fitbit-alta and Samsung gear. Figure 3.4 shows some wearable devices that were studied during the wearable device selection process. On the other hand, Fitbit activity tracker needs to connect to the user’s cell phone that acts as gateway through Bluetooth. The need for intermediate device in our case obliges the senior to carry his/her cell phone while wearing fitbit. Thus, our choice was Samsung Gear S2, which was available at the ITI. Accordingly, we could save the time of ordering and shipping which was more than a week. Table 3.1 shows how Samsung Gear S2 met our system software (S/W), hardware (H/W) and market requirements.
(c)
(b)
(a)
Figure 3.4 different wearables for monitoring devices, e.g. (a)Fitbit alta HR , (b) sugarbeat, and (c) Samsung Gear Table 3.1 System requirements with respect to Samsung Gear S2 specifications
Requirement
Type
Samsung Gear S2 Specification
Operating system is easy to deal with
S/W
Tizen for wearables V2.2.3
Availability of sensors
H/W
Accuracy of measurements
H/W
Existence of wireless module
H/W
Wi-Fi and Bluetooth exist
Availability of APIs and technical support
S/W
senor APIs, web API, and power API
Programming language used for building the application
S/W
JavaScript over HTML5/CSS3 web application
Availability of connectivity with our application Server
S/W
Through JSON objects
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Heart rate sensor and accelerometer Recommended by reviewers as an activity tracker
Battery life
H/W
Power in-sensitive, lives for about three days without recharging
Availability of the device
Market
Available at the ITI
3.3.2.BUILDING WEARABLE APPLICATION ON THE WEARABLE DEVICE In order to build the web application that is used to collect data about the senior and generate events periodically at the application server, we needed to work on three main functions. First, accessing the data measured by the heart rate sensor and accelerometer. Second, maintaining connectivity and integrity by transmitting the measured data for each senior accompanied with his/her unique ID. Third, achieving usability. Fourth, conserving the availability of data through a continuously working application through time. A. ACCESSING DATA
We used the available sensor APIs, which are Heart rate sensor API and Pedometer API for measuring activity level in terms of number of steps per minute. Our operations can be summarized as follows We implemented a web application that can obtain both measurements in real time An average of the readings is obtained every one minute for the heart rate and then reset A cumulative number of steps taken is obtained every one minute and then reset The resetting operation is performed when data are sent to the server to avoid data corruption. B. MAINTAINING CONNECTIVITY AND DATA INTEGRITY
The Wi-Fi module in the Samsung Gear allowed us to directly connect to the server without the need of intermediate mobile device. Thus, each wearable device is registered in the system using its unique ID called “Senior ID” which is automatically generated on submitting the registration form of the senior. This unique ID is inserted as an activation key of the wearable application, as shown in the given figure. Thus, an HTTP packet is sent from the web application on the senior device in the form of JSON object carrying the senior ID and the measured heart rate and activity level, as in the given tizen application code in appendex A . Accordingly, senior’s measurements are differentiated and never interfere. A screenshot of the implemented wearable device application is shown in Figure 3.5.
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Figure 3.5 Samsung Gear web Application Interface for Senior People Monitoring System
C.
ACHIEVING COMFORTABLE USABILITY
The psychological research about senior people have proven that they don’t easily interact with new technology [3]. Thus, the senior doesn’t have to do anything for the application from the time it is installed. A technical specialist installs the application on the senior device, registers his/her in the system and activate the application using the activation key. Finally, our application works in the background after activation even if the gear has switched off till it was manually closed or uninstalled. The senior no longer watches reading about his/her own heart rate or activity level. However, he/she enjoy their normal life style as if they were not monitored and the supervisor do that job. D. CONSERVING AVAILABILITY
To ensure that the Gear won’t go to sleep mode leading to stopping data measurement and transmission task, power API was used to disable sleep mode. This operation affected the battery lifetime negatively. This can be improved by using MQTT instead of HTTP and sending data at lower rate and adding event based triggering algorithm to the wearable device; this can be considered in our future work.
3.3.3.BUILDING WEB INTERFACE FOR ELDERLY HOME USERS We developed our web application on the Master of Things (MoT) platform. The flow of the web pages is given in figure 3.6 to give a brief overview of the web application workflow from the
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elderly home supervisor point of view. However, the basic steps of our Senior People Monitoring application are summarized as follows: A. WEB-BASED REGISTRATION FORM In this step, a web-based application form is built to let the elderly home register its seniors accompanied with their most recent notes, twitter tag, and contact information of their close groups of friends. Additionally, specialist who use to visit the elderly home are registered to facilitate consultant and office reservation for the registered seniors. The senior registration process has three steps to enable our system to store the senior's basic information and his/her groups, and then add group members to the added groups. After the senior registration step is completed as shown in Figure 3.7(a,b,c), a sensor with unique ID is created for the senior as shown in Figure 3.7(d). In the backend, when the user click "done" button, the senior data are sent in JSON object, as shown in Figure 3.8, to allow Master of things, our AEP, create a separate sensor ID for each senior that is linked to the senior data. This ID is used in the smart wearable to confirm the senior identification step and start the direct communication between the wearable application and application server using this unique senior ID.
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Senior Basic Information
Senior Groups
Senior Group Member
Home page
Senior ID •Add Senior •View all Seniors •Specialists •Sites
Register a new Specialist Specialists View all Specialists
Sites
Figure 3.6 brief overview of the web application of Senior People Monitoring System workflow
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Register a new Site
View all Sites
(a)
(b)
(c)
(d) Figure 3.7(a, b, c) three-step senior registration and (d) new senior ID generation
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Figure 3.8 Creating Sensor on MOT for every senior in the last step of senior registration
B. DATA SUMMARIZATION In this step a web-based application is used by the elderly home supervisor in order to view overall real time status of the registered seniors; such that, the senior may have one of two status which are “Okay”, and “Danger”. If the senior has no issues, he/she will be “okay”. Each registered senior is added by default to the "Okay" list that contains all the seniors who are registered in the elderly home. The "view all seniors" is the web page that has the "Okay" list of seniors is given in Figure 3.9. Normally, the senior is not shown in the "alert" page that is used to view all the registered seniors in the elderly home who have serious issues according to their real time heart rate measurements, unless he/she had serious issue. The alert web page is given in Figure 3.10. Accordingly, the urgent cases are tracked using this separate web page that contains all the senior's alerts which reflect high heart rate with respect to the senior's age. It should be noted that the JSON object created during the registration process allowed data organization and facilities data retrieval in both of the lists, since it includes all the required information about the senior to be displayed.
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Figure 3.9 the list of all registered seniors in the elderly home
Figure 3.10 The list of all seniors registered in the elderly home and have a serious high heart rate issue
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C. DETAILED DATA VISUALIZATION In order to view all the data related to any senior we create a page for each senior to enable the supervisor to view the detailed data in a user friendly way . This will
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facilitate the monitoring task and understanding the status of the senior easily. An example of data visualization web page is given in Figure 3.11.
Figure 3.11 Detailed data visualization of a registered senior on clicking on his ID
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D. ELDERLY HOME RELATED DATA The system also stores information about specialists, so that they can be easily accessed in urgent cases or as consultants. The elderly home site can be registered and viewed in the webpages shown in Figure 3.12 and Figure 3.13, respectively. Similarly, the "add Specialist" web page adds specialists by identifying their specifications as shown in Figure 3.14 and they can be also viewed in a way that is similar to "view sites" webpage.
Figure 3.12 Elderly home site registration form
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Figure 3.13 The list of elderly home registered sites
Figure 3.14 Specialist registration form
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E. DATA STORAGE Storing the data that are related to the senior personal information and the data that are about his/her connection groups in application tables of the AEP, MoT. There are data that cashed from the sensors only and other that stored to be used in the visualization of the senior data on the web application. MoT uses MySQL to control and manage the data. On the other hand, the data about the specialists who use to visit the elderly home and the information about the elderly home sites are also stored in the database. In Figure 3.15, MySQL database schema that is used in Senior People Monitoring application is given.
Figure 3.15 Senior Monitoring System Database design
3.4. PROJECT SCOPE Our monitoring system for elderly homes has some of the previous discussed functionalities. Thus, each elderly home can collect real time data about its registered seniors remotely. The collected data are visualized by the home supervisor to take the suitable action in each case. The system also enables connection between the seniors and their loved ones through twitter. It also stores history of each senior for future use in case of any health problem. On the other hand, it keeps the senior in touch with the registered doctors and specialists for consultant and easier office reservation
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CHAPTER 4 4. TECHNICAL DOCUMENTATION 4.1. TECHNICAL SPECIFICATIONS All codes are written in HTML5/CSS3/JavaScript.The gear web application was first built and tested on Tizen studio version 1.0. After testing, we built the wearable web application on Samsung gear S2 on Operating system Tizen wearable v2. 4.2.
PROJECT SOURCE CODE
All the codes that were implemented on the wearable device and MoT AEP are given in Table 4.1 categorized based on their objectives. Thus, Senior People Monitoring project is an open source one that can be extended and customized according to customer need and hardware availability. Table 4.1 Senior People Monitoring system source codes
Code
Objective
Reference link on github
Gear S2
Wearable Web application for heart rate and activity level measurements
Index
Index for the Web interface
Registration form
Senior and Specialist registration
Seniors view
All seniors overall basic information with visual alerts
Senior Monitoring
Real-time specific senior related information with visual aids, showing heart rate and activity level every minute
https://github.com/AhmadMagdi/SeniorM onitoring.git
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CHAPTER 5 5. CONCLUSIONS AND FUTURE WORK In this project, we managed to achieve a high available and scalable Senior People Monitoring System. We implemented IoT application that serves elderly homes in monitoring their customer of old people remotely. This project aimed at using technology in elder house overall management. It permitted supervisors in each elderly home track the change in health status for each registered senior. It facilitates communication between the senior and the entire world without adding any constraint to the senior's life style and in extremely comfortable way. Additionally, it enables each elderly house to manage its own business by storing data about its specialists and sites. In the next section, we summarize our conclusions that were produced from practical experiments applied on some ITI staff members and our team members.
5.1. CONCLUSION The motivation for this project was to introduce an IoT-based application that enables seniors' movements while having their health accurately monitored. It provided an easy to use web-based wearable application to the low-cost senior's wearable and a user friendly web application for the elderly home supervisors and users. During our practical heart rate and activity rate monitoring experiments, we noticed that separate activity level and heart rate are ambiguous for unspecialized people, like elderly home supervisors. On the other hand, not having any reading for long time was another source of mystery. The supervisor had to predict if those are zero values transmitted from the senior's wearable or no reading was transmitted during that time! Thus, we managed to add the battery level values to indicate that the wearable is not sending anything to the application server. Accordingly, the change
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in battery level through time shows how much the data transmission rate we use may affect the wearable device battery lifetime. These conclusions lead us to intended future work that will positively reflected on the user experience of our Senior People Monitoring project. The future work of this project is described in details in the next section.
5.2. FUTURE WORK Based on our conclusions, we have found that adding specific indication of the meaning of the heart rate reading, activity reading and the senior age combined together will clear the ambiguity of the non-specialist elderly home supervisor. Thus, a further medical research should be performed with the assistant of specialized staff in the field should be performed to better introduce the recorded readings. Since senior people prefer having certain everyday routine, we planned to give the elderly home supervisor a general picture about that to minimize the ambiguity of the readings. Data can be better grouped and organized to give the elderly home supervisor a general indication about the senior's everyday routine. This can be easily performed by tracking the senior's activity level for certain time interval. Regarding the lifetime of the wearable device, our experiments proved that continuous data transmission and avoiding sleep mode decayed the lifetime of the smart wearable tremendously. This can be improved by using MQTT instead of HTTP and sending data at lower rate or adding event based triggering algorithm to the wearable device. We plan to study this issue in details to give accurate results that can be used in various real life use cases.
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K. O. KIM, “THE EMOTIONAL RESPONSES OF OLDER ADULTS TO NEW TECHNOLOGY (PhD),” PhD, 2012.
[2]
S. Ohta, H. Nakamoto, Y. Shinagawa, and T. Tanikawa, “Original article ~ A health monitoring system for elderly people living alone,” pp. 151–156, 2002.
[3]
T. C. Callari, S. Ciairano, and A. Re, “Elderly-technology interaction: Accessibility and acceptability of technological devices promoting motor and cognitive training.,” Work, vol. 41, no. SUPPL.1, pp. 362–369, 2012.
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