Posts

G Force

As I have been developing this app I have been considering that this is not a special purpose app, but a general purpose app that is concerned with G-force and motion. So, I decided to leave my Apple Watch on the wrist as I do some work out on the bag. Now, first thing I notice is getting to the buttons is not easy with gloves on! But still, check out this video, the Watch is on my left wrist, and I am doing triples, three quick jabs with one hand then three with the other. Here is the watch being moved around on a piece of paper. It is not easy to record this with my phone in one hand. I wanted to show that the motion is shown in realtime on the Apple Watch. In the finished product there is probably no reason to plot the motion in real time, because you are not looking at your watch so what does it matter.

Data Filtering

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Unwanted data, or noise, can be filtered to facilitate processing. Raw Data Filter Level 0.5 High Pass Filter Filter Level 1.0 High Pass Filter Filter Level 1.5 High Pass Filter Filter Level 2.0 High Pass Filter Filter Level 3.0 High Pass Filter

Motion Analyzer Design

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In 2016 I started the conceptual design of a motion analyzer for Apple products, MacOS, iOS, and WatchOS. The motion that is analyzed is the motion of the Apple Watch during the events of shooting a firearm. In October 2017 I acquired the necessary hardware and began a preliminary design. December 2017 prototyping began. January 2018 the first prototype was taken into the field to collect data. The Motion Analyzer will use the haptic feedback. The Motion Analyzer has the following features: Record position data through the use of the gyroscope, accelerometers, and other sensors including the magnetometer and altitude data. Report the following: Time it takes to raise (motion) the firearm into firing position. Time it takes to recover (motion) / get back on target between shots. Angles experienced during the motion caused by the shot. How much the shooters arm / etc., raise (motion) or become out of line (motion) with the target. How much the shooter over corrects (