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When moving, the COM has momentum. At any point on an arc, the COM wants to fly off in a straight
line called a tangent (line of momentum).
The angle between the line of momentum (tangent of the arc) and where the skis are pointing is called a
steering angle. A larger steering angle means the skis are turned more across the direction of travel and
implies more skidding. A smaller steering angle means the skis are turned less across the line of momentum
and implies a cleaner track. How much the skis are turned across the line of travel depends on the desired
trajectory, and whether the skier wishes to decrease, maintain, or increase speed.
从上述看,STEERING ANGLE 永远是板领先于COM转。
COM领先板转应该是不对的。 |
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