CAJ | 학술논문

采用动力学分析方法建立了电动助力转向系统的数学模型，基于数学模型建立了电动助力转向系统的离线仿真模型。在分析经典PID控制方法基础上，提出了一种基于多变量耦合反馈的电动助力转向模糊PID控制方法。利用离线仿真和台架实验对所提出的控制方法进行分析，实验结果表明：与传统PID控制方法相比，所提出的多变量耦合反馈模糊PID控制方法可有效提高电动助力转向系统转向操纵的轻便性和稳定性。
채용동역학분석방법건립료전동조력전향계통적수학모형，기우수학모형건립료전동조력전향계통적리선방진모형。재분석경전PID공제방법기출상，제출료일충기우다변량우합반궤적전동조력전향모호PID공제방법。이용리선방진화태가실험대소제출적공제방법진행분석，실험결과표명：여전통PID공제방법상비，소제출적다변량우합반궤모호PID공제방법가유효제고전동조력전향계통전향조종적경편성화은정성。
The mathematical model of Electric Power Steering ( EPS) system is established by using the dynamics analysis meth-od,and the offline simulation model of EPS system is established based on mathematical models .Multivariable coupling feedback fuzzy PID control of EPS system is proposed based on analysis of classical PID control method .Using offline simulation and bench tests analysis of the proposed control method .The results show that compared with the traditional PID control ,the multivariable coupling feedback fuzzy PID control method has certain advantages in the manipulation of portability and stability .