![]() Els, “Slow active suspension control for rollover prevention,” Journal of Terramechanics, vol. Zhu, “Study of automobile’s suspension development,” Machinery Design & Manufacture, vol. ![]() Chen, “Gain-scheduled vehicle handling stability control via integration of active front steering and suspension systems,” Journal of Dynamic Systems, Measurement, and Control, vol. Wang, “Roll control of vehicle active suspension under steering condition,” Automotive Engineering, vol. ![]() Yi, “Design and evaluation of a unified chassis control system for rollover prevention and vehicle stability improvement on a virtual test track,” Control Engineering Practice, vol. Cebon, “Improving roll stability of articulated heavy vehicles using active semi-trailer steering,” Vehicle System Dynamics, vol. Lund, “Rollover risk of cars and light trucks after accounting for driver and environmental factors,” Accident Analysis & Prevention, vol. ![]() Results verify that the active suspension system with the proposed controller can achieve better vehicle roll safety and has a good adaptability under different steering maneuvers.Ĭ. Performance comparisons are implemented between the active suspension system and the passive one under the double-lane change, slalom and fish-hook maneuvers. Key steps of the new approach are as follows: 1) The front axle steered angle is written into a differential equation in accord with the minimum phase system and combines with the original system into the augmented system equation 2) positive infinitesimals respectively including controls are added to the index Thirdly, weights of the evaluating indicators of the LQG controller are determined by using analytic hierarchy process (AHP) and normalization methods based on vehicle motion statistics under the double-lane change maneuver as the typical steering maneuver. To improve vehicle roll safety during steering operation at high running speed, a new design approach for Linear Quadratic Gaussian (LQG) controller of active suspension system is proposed. ![]()
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