第四章对电动助力转向系统的助力特性进行研究。
In chapter four, the assist characteristic of EPS is studied.
开发设计了一种纯电动客车使用的电动助力转向系统。
An electric power steering system was developed for a pure electric bus.
锈屑会堵塞转向助力泵，使助力转向系统关闭以避免过热。
Rust particles could then enter the power steering pump and cause it to shut down to avoid overheating.
所以对于电动助力转向系统的研究具有非常重要的意义。
本文主要研究内容是研发电动液压助力转向系统的控制器。
The contents of this paper mostly research and design controller of EHPS.
汽车主动悬架和电动助力转向系统是汽车的两个重要的子系统。
The active suspension system and the electric power steering system are two important subsystems of the vehicle.
电动助力转向系统(EPS)不是真正的“按需型”转向系统。
Electric Power steering (EPS) system is not a real on-demand steering system.
原有的机械系统无法解决这个问题，因而出现了助力转向系统。
Traditional mechanical steering systems can't solve this problem, so power assistant steering systems have been developed.
概述了电动助力转向系统的优点，建立了电动助力转向的数学模型。
The advantages of Electric Power Steering System were summarized and the model of EPS was developed.
电动助力转向系统是典型的机电一体化系统，涉及的学科非常广泛。
The electric power assisted steering system is the typical mechatronics system, and it blends many disciplines.
因此，测量这些参数的传感器是电动助力转向系统关键的部件之一。
So, the sensors to get these parameters are crucial for EPS system.
本文对电动助力转向系统的关键技术助力特性和控制策略进行了研究。
In this paper, the key technique of EPS system, the assist characteristic and control strategy, are studied.
介绍了轮式特种车辆用电动助力转向系统的组成以及助力力矩的控制策略。
This paper introduces the structure of electric power steering system used in special wheeled vehicles.
作为车辆动力转向的新技术，电动助力转向系统已经获得了较广泛的应用。
As a new steering technology in automobile industry, electric power steering systems have been widely used.
在阐述车辆电动助力转向系统结构与工作原理的基础上，建立其动态数学模型。
Based on introducing the structure and work principle of vehicle EPS, a dynamic mathematical model was established.
本文根据车辆动力学基本原理，建立了主动悬架与电动助力转向系统的整车模型。
According to the fundamental principle of vehicle dynamics, this paper established a full car model of Active Suspension System (ASS) and Electric Power Steering System (EPS).
电动助力转向系统完全取消液压装置，用电能取代液压能，减少了发动机的能量消耗。
The electric power steering system (hereafter call it EPS) totally abolishes the hydraulic instruments and uses electric power to substitute the hydraulic power.
电子控制助力转向系统ECPS是提高汽车控制水平，实现汽车智能化的重要内容之一。
The ECPS system helps to improve the control capability to automobile and is one of the important contents for realizing automobile intellectualization.
采用分层协调控制策略，进行了汽车电动助力转向系统和防抱死制动系统集成控制的研究。
By adopting layered coordinated control strategy, a study on the integrated control of electric power steering system (EPS) and anti-lock braking system (ABS) is carried out.
在此基础上，确定了电动助力转向系统的控制策略，并设计了电动机电流的闭环控制算法。
And, based on the assist characteristic, the control strategy of EPS is described in detail and the algorithms is designed to control the motor current also.
多体理论的基础上，设置了电动助力转向系统和主动式悬挂系统和车辆动力学模型的模型。
The models for electric power steering system and active suspension system and vehicle dynamics model are set up based on multibody theory.
为改善汽车转向轻便性和路感的问题，设计了以转向盘转矩为控制目标的电动助力转向系统。
To improve the steering easiness and road feel of the vehicle, an electric power steering(EPS) system with the steering torque as the control target was developed.
台架性能试验验证表明，采用这种伺服控制方式，电动助力转向系统快速回正时的平稳性有所提高。
The bench tests proved that the return ability of the EPS system under rapid steering had been greatly improved by this servo control technique.
将基于递推最小二乘算法的转速在线辨识方法引入电动助力转向系统中，以估计助力电动机的转速。
A speed identification method based on recursive least square (RLS) algorithm is introduced into electric power steering (EPS) system for estimating the speed of EPS motor.
针对以直流有刷电机提供助力的电动助力转向系统，设计了一种带有在线故障自诊断功能的控制器。
This paper reviews the development process of auto-power-assisted steering system, and analyzes the electric power steering(EPS) system.
针对以直流有刷电机提供助力的电动助力转向系统，设计了一种带有在线故障自诊断功能的控制器。
The operating principle and elementary structure of the bench measurement system for electric power-assisted steering are introduced.
针对以直流有刷电机提供助力的电动助力转向系统，设计了一种带有在线故障自诊断功能的控制器。
The operating principle and elementary structure of the bench measurement system for electric power-assisted steering are introduced.
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