电工技术学报  2020, Vol. 35 Issue (20): 4266-4277    DOI: 10.19595/j.cnki.1000-6753.tces.191095
电机与电器 |
基于深度确信策略梯度的电动汽车异步电机参数标定方法
漆星, 郑常宝, 张倩
安徽大学电气工程学院 合肥 230601
An Electric Vehicle Induction Motor Parameters Calibration Method Based on Deep Deterministic Policy Gradient
Qi Xing, Zheng Changbao, Zhang Qian
College of Electrical Engineering Anhui University Hefei 230601 China
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摘要 针对传统电动汽车异步电机参数标定任务中存在参数标定精度低、人工工作量大的问题,研究一种深度确信策略梯度的电动汽车异步电机参数标定方法,给出基于深度确信策略梯度的电动汽车异步电机标定算法框架,并通过实验对该方法的有效性和可行性进行了验证。可以发现,基于深度确信策略梯度的电动汽车异步电机参数标定方法具有如下特点:①标定的参数并非电机实际物理模型参数,而是使电机在任意给定转速及电流下均能够输出最优转矩的参数,因此更加适用于电动汽车技术领域;②它是一种端到端的方法,即所有工作全部由算法自动完成,无需人工辅助操作,大大减少了标定工程师的工作量。
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漆星
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关键词 电动汽车异步电机参数标定深度确信策略梯度    
Abstract:Most existing calibration methods of electric vehicle induction motor parameters have the problems of low calibrated accuracy and large workload. Therefore, a method for calibrating electric vehicle induction motor parameters based on deep deterministic policy gradient is proposed, and the framework of algorithm for induction motor parameter calibration task is illustrated. The experimental results verify the effectiveness and feasibility of the proposed method. The proposed method has the following advantages: ① the parameters calibrated by the proposed method are not the real modeling parameters, but the ones that enable the motor to run at the optimal torque in any given speed and current, which is more suitable for electric vehicle application; ② the proposed method is an end-to-end method, that is, all work is automatically completed by computers without manual assistance, thereby greatly reducing the workload of the calibration engineers.
Key wordsElectric vehicle    induction motor    parameter calibration    deep deterministic policy gradient   
收稿日期: 2019-08-27     
PACS: TM351  
基金资助:国家自然科学基金资助项目(51507001)
通讯作者: 郑常宝 男,1961年生,教授,硕士生导师,研究方向为电机控制与电力电子。E-mail: zhengchb@ahu.edu.cn   
作者简介: 漆 星 男,1985年生,博士,讲师,研究方向为工业应用中的人工智能技术。E-mail: 10031@ahu.edu.cn
引用本文:   
漆星, 郑常宝, 张倩. 基于深度确信策略梯度的电动汽车异步电机参数标定方法[J]. 电工技术学报, 2020, 35(20): 4266-4277. Qi Xing, Zheng Changbao, Zhang Qian. An Electric Vehicle Induction Motor Parameters Calibration Method Based on Deep Deterministic Policy Gradient. Transactions of China Electrotechnical Society, 2020, 35(20): 4266-4277.
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