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In this paper, an intelligent electric power steering system use with Permanent magnet synchronous motor drive is proposed It is to replace a traditional hydraulic power steering system and implemented in a real light hybrid electric vehicle for automotive application. Some control Technique is applied to yield basic assist logic, return compensation logic, damping compensation logic, and inertia...
The paper deals with the characterization of a permanent magnet synchronous machine (PMSM) used in electric traction applications. First of all, the main data (the output power and desired speed) of the electric traction application are defined. Starting from these elements, the PMSM is characterized by means of analytical, numerical and test obtained results. Thus, several design elements are stated...
EV with 4 in-wheel motors has advantages of system's light weight because it has respectively independent control system. But it is difficult that EV has to control four in-wheel motors at once. The speeds of four in-wheel motors are different each other, because the disturbance and over wheel of four in-wheel motors are not the same. EV is necessary to control synchronously. Velocity differences...
University of Pardubice, Pardubice, Czech Republic The paper deals with analysis of dynamic behavior of a feedback flux weakening control of PMSM traction drive for light rail vehicles. Two control structures were analyzed - pure feedback control and feedback control with prediction of the field producing current component. Simulation and experimental results are given. The other part of research...
Servo system has been applied in the executive mechanism of coaxial two-wheeled electric scooter pose control. The pose control requires high accuracy and strong robustness of the servo system. However, the characteristics of servo system based on linear PID regulator are not very excellent. To improve the performances, a novel servo system of permanent magnet synchronous motor (PMSM), based on active-disturbance...
Electric machine and drives are key parts of hybrid electric vehicle (HEV) power train. Demands for electric machines and drives are different. In general, such characteristics as large torque, high rotation speed, high power density, quick response, good reliability and electromagnetic compatibility (EMC) are demanded of. A Permanent Magnet Synchronous Motor and drive are developed and applied on...
As a new energy transmission device, dual rotor four-quadrant transmission (4QT) simplifies power-train structure of electrical variable transmission (EVT) and makes internal combustion engine (ICE) operate in high efficiency region. Reduction of fuel consumption and the improvement of vehicle performance are achieved as well. In this paper, different operation modes of EVT are analyzed based on the...
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