8000 Honda: Bosch - longitudinal tuning by mvl-boston · Pull Request #2165 · commaai/opendbc · GitHub
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Honda: Bosch - longitudinal tuning #2165

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Honda: Bosch - longitudinal tuning #2165

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@mvl-boston mvl-boston commented Apr 29, 2025 •
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Now that Tomb Raider works much better with radarless cars (radar is disabled in openpilot whenever equipped for Honda Bosch), this lack of tuning is more noticeable. In my test routes below, this tuning results in a massive reduction in disengagements.

  1. Implemented missing aspects of Honda Nidec tuning into Honda Bosch:
    2. 8000
  • Longitudinal PID tuning
  • Wind drag compensation (roadtest found Nidec wasn't m/s2, so new math here)
  1. added downhill braking fix - see details here
  • It is possible that some of the hill braking code will help Nidec. I get my Nidec car back in a few days and will test/add to Nidec if it helps.

Before/after routes:

  • before: ad9840558640c31d/00000009--a0348fcf09
  • after: ad9840558640c31d/00000011--b2de78f396
  • after hillbrake: ad9840558640c31d/00000008--aeaa9f13d2

@github-actions github-actions bot added car related to opendbc/car/ honda labels Apr 29, 2025
@mvl-boston mvl-boston marked this pull request as ready for review April 29, 2025 13:59
@mvl-boston mvl-boston changed the title Honda Bosch - longitudinal tuning Honda: Bosch - longitudinal tuning Apr 30, 2025
@mvl-boston mvl-boston mentioned this pull request May 3, 2025
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@mvl-boston mvl-boston changed the title Honda: Bosch - longitudinal tuning draft - Honda: Bosch - longitudinal tuning May 3, 2025
@mvl-boston mvl-boston marked this pull request as draft May 3, 2025 16:34
@mvl-boston mvl-boston changed the title draft - Honda: Bosch - longitudinal tuning Honda: Bosch - longitudinal tuning May 4, 2025
@mvl-boston mvl-boston marked this pull request as ready for review May 4, 2025 00:20
This was referenced May 5, 2025
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