Table of Contents
Problem Definition Documents directory
Team Vision for Problem Definition PhaseDuring this phase of the process, our team determined the focus of our project. It was found that there are three distinct sensor systems that need to be created and the data they collect needs to be correlated together to create a usable data set for other teams.
Project SummaryIn the US, roughly 7 million individuals suffer from some form of a tremor with over 200,000 suffering from essential tremors. An essential tremor is an involuntary rhythmic muscle movement often affecting the arms and hands of individuals. As a result, patients’ fine motor abilities are impacted causing difficulty in performing daily tasks.
Currently, there are no devices that can correlate position, tremor data, and EMG signals. Devices exist that can do one of the requirements, but none consider combining all three systems.
The goal of this project is to create a system that can monitor position, tremor data, and EMG signals. The device will have to then filter the data properly and then correlate the data. The data must be provided in a state that it is usable by other teams working on tremor mitigation systems.
Here is a link to the Project Summary document.
Use CasesThe following diagram describes a scenario where a person facing ETs goes to see a doctor for testing on their ETs and the Essential Tremors DAQ is used to collect data to provide a better diagnosis to the doctor.
Project Goals and Key Deliverables
- Data collection system that can be worn and used by patients with various levels of essential tremors.
- Collects the appropriate real-time motion data and the EMG data from the muscles involved with wrist flexion/extension, wrist pronation/supination, and radial/ulnar deviation
- Appropriate filtering and processing will done to obtain usable outputs from the noisy data.
- The data collected with this system must be usable to other MSD teams working on essential tremor mitigation projects.
- Final model should be not intimidating and cannot inhibit natural movement of the user
Customer Requirements (Needs)
Engineering Requirements (Metrics & Specifications)
- Integration of all 4 subsystems won’t work
- EMG or Motion data is incorrect
- Device is too heavy
- Shock patients
- Device is uncomfortable to wear
- Device causes harm to test participants
- Personal medical data
- Excess waste from construction
- False data leading to improper treatment
- Having a person to test product on
- Not enough time to integrate all of the systems
- Time for all the validation and verification
- $1000 to Create
- Weighs 1 Kg
- Portable Power Source
- Needs Internet Connection for Data Logging
- Inconspicuous design/size
House of QualitySee file
Plans for next phase
- Tested Proof of Concept for Each Type of Sensor and Picked Sensors for Purchasing
- CAD Model of Iteration One of Frame
- Rough Draft of BOM
- Test Procedure for Initial Verification
- Human Testing Proposal Submitted
- Rough Budget Established
Here is a link to our CURRENT Project Plan. Subject to change.
The following is a CAD drawing of what we think the device worn by the user will roughly look like.