Position Tracking Of an Athlete Using IMU, Magneto Meter (GPS) and UWB

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Student Details
Student Number 1 0 4 3 8 0 3 0
Family Name SAMPATIRAO SAI KRISHNA
Unit Details
Unit Code ENS 6126 Unit Title MASTER OF ENGINEERING PROJECT1
Name of Lecturer DR VIET PHUNG Due Date 29/03/2019
Topic of Assignment PROPOSAL AND RISK
ASSESSMENT REPORT Group or Tutorial (if applicable)
Course MASTER OF ENGINEERING ( ELECTRICAL AND POWER) Campus JO
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ENS6126 Master of Engineering Project 1
Progress Report
Position Tracking Of an Athlete Using IMU, Magneto Meter (GPS) and
UWB
Sai Krishna SAMPATIRAO
Student # 10438030
29 Mar 2019
Supervisor: Dr Viet Phung

Ethics Declaration Checklist
Does this project involve the use of: YES/
NO
(a) Human participants, No
(b) Previously collected
confidential data,
No
(c) Animals for scientific
purposes?
No
NO

Abstract
This project deals with designing a wearable device, which can be used for monitoring and
tracking of positions of Athletes in the ground. The purpose of this project will fulfill the
modern day demand of different sports clubs, team players and the coaches. The
proposed device will help to clarify and hasten the feedback of individual athlete, by
sensing and identifying their current positions on the field which in turn will improve the
performance of individual, team progress and overall efficiency of the teaching
postulations. The methodology incorporated in this work is based on the technology of
Magnetometer, IMU and UWB. These mentioned technologies are combined together to
form a single device which can be installed around the field to track every movement and
direction of each player. To integrate IMU with the standard GPS, extended practical filter
circuit can be used. Along with this lose coupling techniques are also in consideration for
identifying the position of the athlete by processing the measured data, obtained from
the UWB sensor with sensor fusion algorithm. This gear will be simple to use, providing
real-time feedback to the athletes, and will be designed specifically to address
performance based feedback critical to long-term athlete development.

Table of Contents
1. Introduction
1.1. Objectives
1.2. Significance
1.3. Basic organisation of the report
1.4.
2. A review of available sports tracking system
2.1 Players Tracking and Players Loading Concepts
2.2 Primary Sensors used in the Technology
2.3 Look ups in software and hardware
3. Background
3.1 Health and fitness devices
3.2 Sports activity trackers
4. Proposed Approach
5. Procedure
6. Preliminary Results and Discussion
Conclusion
References

List of Figures
Fig. 1 Athlete monitoring image for player tracking
and loading
Fig. 2 An overview of Reflex System
Fig. 3 Functional Block diagram of IMU
Fig. 4 Matlab based IMU model
Fig.5 Block diagram of a UWB Transceiver
Fig. 6 The IR-UWB pulse is only 2 ns wide, making it
highly immune to multipath as the reflected
signal (red) does not affect the direct signal
(blue)
Fig. 7 This 2-ns-wide IR-UWB pulse is highly immune
to interference
Fig. 8 The slow rising edge of the narrowband signal
makes it very sensitive to interference
Fig. 9 An IR-UWB signal has much faster rising and
falling edges than standard narrowband signals
Fig. 10 The field positions
Fig. 11 magnitude frequency response of a low pass
filter
Fig. 12 magnitude frequency response of a high pass
filter
Fig. 13 magnitude frequency response of a band pass
filter
Fig. 14 magnitude frequency response of a band stop
filter

List of Tables
Table 1 The list of heights the anchors are present
around the field
Table 2 The reference values of Left position of the field
player
Table 3 The measured UWB values of Left position of
the field player
Table 4 The calculated speed, distance and

1. Introduction
In the modern day of sporting and gaming it is not only about an individual’s hard
working which flourishes a player’s performance but technology also holds an
equally important position which enhances the tips and tactics for the athletes in
their respective fields. Keeping these benefits in view the technology based
devices are growing more popular among the coaches and players. With the
increasing demand of the wearable sensors, the modern day’s researcher and
industries are expressing their interest and investing time and money in this field.
1.1. Objectives
As already discussed there is a huge potential in the market for an efficient and
improved wearable device that helps in accurate tracking of players both on the
field and off the field as well (Halson, Peake & Sullivan, 2016). Hence there is a
requirement for a wearable device that is not only accurate but at the same time
less complicate and also easy to use because at the field and while players are in
training of the field, coaches are less interested in technical complexity but
demand superior performance from the device (Bailon et al., 2018). Hence the
objectives of this project is not to make things technically complicated, but to
increase efficiency and reliability so that the devices are easy to used even if the
person is not technically highly advanced (James, Lee & Wheeler, 2019). Hence
some of the important objectives of the project are:
• To design an affordable wearable devices for tracking athletes.
• Maintain high quality and ensure accuracy in the performance
• Design in such a way that it will monitor player performance so that we can
avoid injuries and aim extreme fitness levels of players.
• Ensure high ethical standard for the project with adherence to the ethical
code of standard for conducting research for the project.
1.2. Significance
Application of tracking device is not a new concept in the sport. Sport
professionals such as players, coaches are applying these technologies to analyse
performance of the players so that it is easier for them to identify issues and plan
accordingly to design strategy for improving those issues. GPS has been one of the
standard technology that is being used for years for tracking players. Although GPS