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MIF (General)
takaaki.yokozawa - 10:19 Thursday 13 March 2025 (32981) Print this report
Trial of damping around 40 Hz
I checked the which suspension have certain resonance in 40 Hz V, I excited the suspension using the whitening signal 35-45 Hz.
Fig.1. EX 39.906 Hz
Fig.2. EY 40.453 Hz
Fig.3. IX 40.258 Hz
Fig.4. IY 39.78 Hz (cannot seen in DARM and DHARD_P in current situation)

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takaaki.yokozawa - 14:18 Thursday 13 March 2025 (32985) Print this report
I temporary implemented the damping filter for the EX V4.
We will keep it with 10 W PRFPMI RF tonight
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takaaki.yokozawa - 5:13 Friday 14 March 2025 (32991) Print this report
Now I implemented this filter in the ENGAGE_LOWNOISE_CTRL state.
takafumi.ushiba - 19:15 Monday 17 March 2025 (33012) Print this report

This filter seems to start oscillation several minutes after the engagement (fig1), so it should be tuned again.

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