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首页> 外文期刊>IEEE Transactions on Vehicular Technology >Sensorless Induction Motor Drive Using Indirect Vector Controller and Sliding-Mode Observer for Electric Vehicles
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Sensorless Induction Motor Drive Using Indirect Vector Controller and Sliding-Mode Observer for Electric Vehicles

机译：间接矢量控制器和滑模观测器用于电动汽车的无传感器感应电动机驱动

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摘要

This paper presents a sensorless control system for an electric-vehicle (EV) induction-motor (IM) drive embedded with an indirect vector controller and a fixed-boundary-layer sliding-mode (FBLSM) observer. No speed or even voltage measurements are required. This novel FBLSM observer could accurately estimate the speed and flux even without known load torque, where chattering on estimations due to switching functions in normal sliding-mode observers is almost completely eliminated. The proof of observability in a wide speed range (including very low speeds) is given. The indirect vector controller with feedforward compensation is responsible for tracking motor speed or torque commands, which manages to accelerate algorithm processing and to enhance transient performance. The experimental results based on a high-power driver–load motor configuration validate the accuracy of the observer and the dynamical performance of the controller under multitrapezoidal speed and vehicle driving cycle torque–speed commands, taking into consideration unexpected parameter disturbances .
机译：本文提出了一种用于电动汽车（EV）感应电动机（IM）驱动器的无传感器控制系统，该系统嵌入了间接矢量控制器和固定边界层滑模（FBLSM）观察器。不需要速度甚至电压测量。即使在没有已知负载转矩的情况下，这种新颖的FBLSM观测器也可以准确估算速度和通量，从而几乎完全消除了由于正常滑动模式观测器中的开关功能而导致的估算颤动。给出了在很宽的速度范围内（包括非常低的速度）的可观察性证明。具有前馈补偿的间接矢量控制器负责跟踪电动机速度或转矩命令，从而加快算法处理速度并增强瞬态性能。基于大功率驱动器-负载电动机配置的实验结果，在考虑了意外参数干扰的情况下，验证了观察者的准确性以及控制器在多梯形速度和车辆驾驶循环转矩-速度命令下的动态性能。

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