线控转向系统控制技术综述

线控转向系统通过线控化、智能化可以实现个性驾驶、辅助驾驶、无人驾驶等目标,是智能网联汽车落地的关键技术,其相关动力学控制技术更是影响线控转向系统整体性能的核心技术。该文介绍了线控转向系统的基本结构类型及其动力学建模,分别对线控转向系统的路感控制技术、稳定性控制技术、容错控制技术等关键技术进行了全面概述,分析了线控转向技术的发展历程和研究现状及其在智能汽车上的应用状况;对线控转向系统的未来研究趋势进行了展望,指出线控转向系统的控制技术将向着执行精准、全工况覆盖、平行驾驶、安全可靠和智能网联的方向发展。

Overview of vehicle steer-by-wire system control technologies

Steer-by-wire system can achieve the goal of personalized driving,assistant driving and unmanned driving through control-by-wire and intelligent control technology.It is the key technology of intelligent networked vehicle landing,and its related dynamic control technology is the core technology that affects the comprehensive performance of steer-by-wire system.This paper introduces the basic structure types and dynamic modeling of the steer-by-wire system,and summarizes the road feel control technology,stability control technology,fault-tolerant control technology and steer-by-wire control technology for intelligent vehicles in full scale.The development process and research status of the steer-by-wire system are analyzed in detail.Finally,the future research trend of steer-by-wire system is prospected.It can be predicted that the control technology of steer-bywire system will be developed in the direction of accurate execution,full condition coverage,parallel driving,safe and reliable application,and intelligent network connection.