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首页> 外文期刊>Advances in Mechanical Engineering >The design, simulation, and experiment of high-accuracy multi-axle electro-hydraulic control servo steering system:
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The design, simulation, and experiment of high-accuracy multi-axle electro-hydraulic control servo steering system:

机译：高精度多轴电液控制伺服转向系统的设计，仿真与实验：

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摘要

Many multi-axle applications use electro-hydraulic control systems with proportional valves. The proportional steering system can satisfy common engineering requirements, but it is likely to fail if the steering angle or load changes drastically because of poor dynamic characteristics, including dead zones, hysteresis, and frequency response. An electro-hydraulic servo steering system with servo solenoid valve is proposed to guarantee a precise dynamic response and good price–performance ratio of the closed-loop system. A co-simulation model based on ADAMS and AMESim was established to analyze the influence of the main parameters on steering performance. The mechanical model includes tire and ground parts, and the steering load can be simulated accurately. The simulation results show that dead zones, hysteresis, and frequency response of control valve have great influence on the steering performance, and the servo solenoid valve is proper for this system. The servo steering system was applied to the actua...
机译：许多多轴应用都使用带有比例阀的电动液压控制系统。比例转向系统可以满足常见的工程要求，但是如果转向角或负载发生剧烈变化，则由于不良的动态特性（包括死区，磁滞和频率响应），它可能会失效。为了确保闭环系统具有精确的动态响应和良好的性价比，提出了一种带有伺服电磁阀的电液伺服转向系统。建立了基于ADAMS和AMESim的联合仿真模型，以分析主要参数对转向性能的影响。力学模型包括轮胎和地面部件，并且可以精确地模拟转向载荷。仿真结果表明，控制阀的死区，滞后和频率响应对转向性能有很大影响，伺服电磁阀适合该系统。伺服转向系统被应用于执行器...

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