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[[File:SkiJumpingArena_l.png|thumb|600px]]
 
  
 
 
 
 
 
 
==Short Description==
 
In ski jumping, low repetition rates of jumps limit effectiveness of training. Thus, increasing learning rate within every single jump is key to success. A critical element of athlete training is motor learning, which has been shown to be accelerated using feedback methods. Today, coach’s training feedback is mainly oral and based on recorded video data. Video data provides good insight into the entire jump, however translating video information into actual motor control is difficult
 
 
To improve current feedback methods, we want to develop an in-action system that converts sensor node data into simple yet motor-transferable information. On the one hand side we want to provide To do this, data must be transmitted between onbody sensor nodes as well as between a sensor node master and the coaching tower. This requires reliable wireless communication with sufficient bandwidth and range.
 
 
===Status: Available ===
 
: Students will be co-supervised by the Center of Project Based Learning.
 
: Looking for 1-2 Semester/Master students
 
: Contact: [[:User:Cleitne | Christoph Leitner]], [mailto:schuluka@student.ethz.ch Lukas Schulthess (PBL)]
 
 
===Prerequisites===
 
: Embedded systems and PCB design
 
: Microcontrollers
 
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===Status: Completed ===
 
: Fall Semester 2014 (sem13h2)
 
: Matthias Baer, Renzo Andri
 
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===Status: In Progress ===
 
: Student A, StudentB
 
: Supervision: [[:User:Cleitne | Christoph Leitner]], Lukas Schulthess (PBL- ETHZ)
 
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===Character===
 
: 60% Firmware Development
 
: 20% Fieldwork
 
: 10% Hardware evaluation and integration
 
: 10% Data analyses and documentation
 
 
===Professor===
 
: [http://www.iis.ee.ethz.ch/people/person-detail.html?persid=194234 Luca Benini]
 
<!-- : [https://iis.ee.ethz.ch/people/person-detail.MjkyNDgw.TGlzdC8xOTgzLDk5MDE4ODk4MA==.html Hua Wang] --->
 
<!-- : [http://www.iis.ee.ethz.ch/people/person-detail.html?persid=80923 Mathieu Luisier] --->
 
<!-- : [https://ee.ethz.ch/the-department/people-a-z/person-detail.MjUwODc0.TGlzdC8zMjc5LC0xNjUwNTg5ODIw.html Taekwang Jang] --->
 
<!-- : [https://ee.ethz.ch/the-department/faculty/professors/person-detail.OTY5ODg=.TGlzdC80MTEsMTA1ODA0MjU5.html Christoph Studer] -->
 
<!-- : [http://www.iis.ee.ethz.ch/people/person-detail.html?persid=79172 Andreas Schenk] --->
 
 
[[#top|↑ top]]
 
 
==Detailed Task Description==
 
The main objective of this work is to implement and test a reliable Bluetooth Low Energy Coded PHY radio communication
 
between an existing sensor node and a gateway. Field measurements (also with real ski jumpers) shall demonstrate the performance of the developed system. According to the level of the student and the chosen thesis type (BT/ST) the work will include some or all following tasks:
 
 
===Goals===
 
=====Firmware Development=====
 
* Implement the BLE coded PHY stack on a nRF52 microcontroller (Nordic semiconductors) integrated in an existing multisensor system for ski-jumping
 
=====Characterization=====
 
Characterization of data transmission quality and identification of losses using BLE coded PHY in various laboratory scenarious:
 
* with increasing distance between source and target
 
* with high velocity differences between source and target.
 
* Using synthetic and/or real sensor data
 
=====Field Test=====
 
* Transfer of the measurment setup on a ski jumping hill.
 
* Validation of the system in a real-world scenario.
 
 
 
===Practical Details===
 
* '''[[Project Plan]]'''
 
* '''[[Project Meetings]]'''
 
* '''[[Design Review]]'''
 
* '''[[Coding Guidelines]]'''
 
* '''[[Final Report]]'''
 
* '''[[Final Presentation]]'''
 
 
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==Links==
 
 
[[#top|↑ top]]
 
 
 
[[Category:Digital]]
 
[[Category:Wearables for Sports and Fitness]]
 
[[Category:SmartSensors]]
 
[[Category:Available]]
 
[[Category:Group Work]]
 
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[[Category:Master Thesis]]
 
[[Category:Cleitne]]
 
 
 
 
 
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Latest revision as of 23:13, 14 July 2023