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Vibration data from a dog walking & sprinting

Stephen HanlyStephen Hanly Member, Administrator, Moderator Posts: 64 admin
edited April 2020 in Measurement & Analysis

This is our first segment of Guess the Vibe of a test with a S2-D40D200 attached to my dog Barney's harness.

Original Video

https://youtu.be/zvAQot_Mpro?rel=0

Answer Video (detailed analysis)

https://youtu.be/0p4NhZDOq5A?rel=0

Guess the Vibe during Sprinting

The main area of focus was the portion that he was sprinting we captured on the camera. Believe it or not he hit a ~75g peak for one of his strides! The rate of his strides was apparently at around 3.5 Hz with a second harmonic at 7 Hz.

Vibration of Regular Stride or Walk

I was also interested to see what the data looked like while just walking at a consistent clip. Here the peak acceleration levels are around 1.5g and have a very steady frequency of 2.4 Hz (with the second harmonic at 4.7).

Overview of Entire Walk

The walk started with the following stages:

  • Turning the sensor on after putting on his leash
  • Followed immediately by an excited shake from Barney
  • Then I got sidetracked on my way out the door and had a conversation with someone
  • Then I got outside and walked in one direction for a while, and around a building and back
  • Once back inside I took him over to the front and let him off the leash to go sprint into the kitchen

Light

I think the light data is pretty interesting to show clearly inside vs outside.

Orientation

Then the orientation sensor is also pretty interesting to see it recognize I turned around. We need to do some work to help visualize this data...

Temperature, Pressure, Humidity

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