Pitching control device for electric vehicle
An electric vehicle, pitch control technology, applied in electric vehicles, control drive, vehicle components, etc., can solve the problems of difficult riding comfort and handling stability, large changes in vehicle weight, nodding swing vibration, etc., to improve operation stability. performance, suppressing pitching motion, and ensuring ride comfort
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[0058] Hereinafter, the best mode for carrying out the present invention will be described based on examples.
[0059] First, regarding the motion of the pitching motion generated in the vehicle, use figure 2 Be explained.
[0060] figure 2 is a diagram schematically showing the pitching motion of the vehicle.
[0061] The vehicle body 201 is supported and coupled to front and rear wheels 203 and 204 via front and rear suspension devices 205 and 206 , respectively. Here, let the weight of the vehicle body 201 be m, the moment of inertia during pitch motion be I, the moment of pitch motion be M, and the pitch amount be θ. In addition, assuming that the stiffness of the suspension device relative to the pitch motion is K and the damping is C, the distance from the center of gravity point 202 of the vehicle body 201 to the ground is h and the distances from the front wheel 203 and the rear wheel 204 are lf and lr, respectively.
[0062] If the braking and driving torque out...
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