锻压技术

重载伺服压力机主传动系统参数标定

英文标题：Parameter calibration of main transmission system for heavy duty servo press

作者：李建1 王珍1 宋清玉2

分类号：TH112

出版年,卷(期):页码：2022,47(12):148-153

摘要：

重载伺服压力机主传动系统参数的准确性是影响伺服电机安全稳定运行的重要因素。为了保证参数的准确性，提出一种针对重载伺服压力机的主传动系统参数标定方法：首先，对主传动系统参数进行模块化分类和定义，确定5个待标定参数；其次，基于转矩计算模型，以伺服电机理论计算转矩与实际运行转矩的均方差最小为优化目标，建立主传动系统参数标定模型，并采用优化算法求解；最后，在25000 kN重载伺服压力机上实施主传动系统参数标定实验。结果表明：采用标定后的主传动系统参数，伺服电机的理论计算转矩与实际运行转矩的平均误差从12.3%降低至6.9%，最大误差从74.2%降低至10.1%；提高了伺服电机的安全校核精度，同时，冲压生产节拍每分钟也提高了0.1件。实验结果证明了该标定方法的有效性和必需性。

Parameter accuracy of main transmission system for heavy duty servo press is an important factor that affecting the safe and stable operation of servo motor. In order to ensure the accuracy of parameters, a method of parameter calibration of main transmission system for heavy duty servo press was proposed. Firstly, the main transmission system parameters were classified and defined by applying modular approach, and five parameters to be calibrated were identified. Secondly, the parameter calibration model of main transmission system was established base on the torque calculation model. It aimed at minimizing the mean square error of the torques between theoretical calculation and actual running of servo motor, and it was performed by the optimization algorithms. Finally, the experiment of parameter calibration for main transmission system was conducted on a 25000 kN heavy duty servo press. The results show that the average error between the theoretically calculated torque and the actual running torque is reduced from 12.3% to 6.9%, and the maximum error reduced from 74.2% to 10.1% using the calibrated parameters of main transmission, which improving the checking accuracy of safety for servo motor. In addition, the stamping production beat can be increased by 0.1 piece per min.The experiment result proves the effectiveness and necessity of the calibration method.

基金项目：

“十一五”国家科技重大支撑计划资助项目(2010ZX 04004-112)

李建（1981-），男，博士，正高级工程师 E-mail：cfhi_lj@126.com 通信作者：王珍（1971-），男，博士，教授 E-mail：wangzhen@dlu.edu.cn

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