Vehicle turning with zero steer in Vehicle dynamics blockset. Why?

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JAI PRAKASH
JAI PRAKASH 2022-4-20
回答： Hiroshi Miyagawa 2025-5-13
Hello,
I feel vehicle is cornering even at zero steer.
For reference, I am using 'Increasing Steering Reference Application'. With very simple modifications shown below to keep zero steer, I see vehicle is turning, and showing non-zero beta and lateral forces on axle.
I haven't gotten the cause. I also tried logitudinal driver, but no luck. I tried Double lane change example also, but found the same problem there too.
Any help is much appreciated.

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回答（1 个）

Hiroshi Miyagawa
Hiroshi Miyagawa 2025-5-13
good question!
I think Tire block contains ply steer effect.
please see the following page as well.
Tire Blocks: Ply steer and turn slip effects in Magic Formula implementation
thank you.

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