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Six Sigma Experiments Evaluate Best Electric Vehicle Braking Systems

Written by Brion

The video from Minitab Statistical Software details a designed experiment (DOE) aimed at evaluating the impact of different brake designs, vehicle speed, and deceleration on the amount of energy recovered through regenerative braking in electric vehicles (EVs).

The response surface methodology (RSM) design approach that was selected was the Central Composite Design (CCD), which is useful to test for curvature in the input factors.

  • Output: Energy Recovered
  • Inputs: Brake Design (2), Speed (10 and 55) and Deceleration (0.4 and 2.0)
  • Samples: 26

The experiment showed that higher speed generates more energy (not surprising), but what was surprising was the brake design B resulted in better energy recovery than brake design A. This design would make a more efficient electric vehicle.

You can watch the video below, or go to https://www.youtube.com/watch?v=l2Ge_bHKHsE&ab_channel=Minitab

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