Zheng, Y. and Liu, S., 2018. Design of digital brake control system for the navigating of amphibious armored vehicles. In: Liu, Z.L. and Mi, C. (eds.), Advances in Sustainable Port and Ocean Engineering. Journal of Coastal Research, Special Issue No. 83, pp. 526–530. Coconut Creek (Florida), I SSN 0749-0208.

The amphibious armored vehicles have a high degree of time-varying for navigating. When the traditional vehicle control system is used for high-speed navigation at sea, large oscillations or overshoots occur in the vehicle's yaw rate and transient response of sideslip angle, resulting in poor steering stability. A digital brake control system based on steering stability criterion is designed. The control criterion of yaw rate and sideslip angle is established for the steering stability of vehicles. The control criterion is used to improve the control method and design a direct yaw moment control system to balance the stability and maneuverability of the vehicle, so as to eliminate the effect of vibration. Combined with PID control algorithm, the closed-loop control of the steering wheel torque of the steering system is realized. The experimental results show that the yaw rate and sideslip angle of the designed control system are free from overshoot, and have short stabilizing time, and have good back-to-back performance, which has good usability for navigating the amphibious armored vehicles.

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