I started the week by working with Dan to detect ball release using the gyroscope angular velocity y from the second IMU (on the finger). A throw is detected if this value is smaller or equal to -5. We determined this threshold through experimentation. We don’t want the threshold to Read more…
This week, our team shifted it’s focus to gathering as much data as possible, making steady improvements, and putting together a presentation for Luca to deliver next week. Our device is functioning, but not without it’s hitches. Dan spent the majority of this week recording trial data and trying to Read more…
This past week has been a bit of a challenge because I realized there were errors in my understanding of how the trajectory would be found given the inputs, and as a result, realized my calculations were all off. Therefore, I’ve had to pivot a bit and reanalyze my code. Read more…
This past Thursday we had a simulation meeting in which Hana showed us what she had. Since, she was having trouble with calculating the predicted landing location of the ball, I took over the simulation. I was able to make a simulation with basic functionality. The simulation shows the Read more…
This past week, we’ve made some progress on our project and considered the ethical ramifications of our fail cases. We’ve been able to get a much more accurate 3D trajectory tracking mapping, however, we’ve come to realize that we may need more than one pre-throw to accurately show the motion Read more…
This week, I made a significant stride in binging the project closer to completion. My first task this week was to add in the second IMU from which we tell the release point. I was having trouble getting the AD0 pin to change the address of one of the IMUs, Read more…
This week, Dan and Luca worked on transferring from the Arduino to the Photon. Dan successfully got the Photon to work, however, Luca had hardware issues for a prolonged period of time so he decided to keep using the Arduino. Luca’s I2C connection on the Arduino remained unstable so he Read more…
This week, the main new issue for me to conquer was the addition of the Particle Photon. Although we’re still having some trouble getting the hardware to work on Luca’s end, I’ve been able to make some good progress with respect to getting the Photon to wirelessly transmit data. I Read more…
This week I have spent a significant number of hours dealing with hardware issues. I received my Photon this week so I attempted to set it up to use instead of the Arduino but was unsuccessful. The first issue I ran into was simply setting up the Photon. For some Read more…
I started the week by researching gyroscope Kalman filter implementations. However, we decided to change our approach to mapping IMU raw data to points in 3d space. Dan was having trouble removing drift from the IMU data and, after looking for a fix, he found a potential approach that uses Read more…