Four wheels steering control for vehicle with constraints on side slip Angle is studied in this paper.

本文研究侧偏角有约束条件下，汽车四轮转向控制系统的设计问题。

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Is equipped with four steering front wheels that improve braking, handling, and directional stability.

配备了4个转向前轮，可以提升刹车，控制的性能，以及转向稳定性。

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On most cars, it takes three to four complete revolutions of the steering wheel to make the wheels turn from lock to lock (from far left to far right).

在大多数情况下，转向盘转三到四周方能使车轮从一个极限位置转到另一个极限位置（从最左转动最右）。

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It's still four wheels, a steering wheel and an engine and there's never been anyone better than Michael.

BBC: Mercedes boss hints at F1 return for Michael Schumacher

Each of the four wheels contains an electric motor, drive train, suspension and steering and braking mechanisms.

FORBES: Magazine Article