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本文在文献[1]的基础上,针对多电机拖动大系统,提出了模型参考自动协调(MRAC)系统。对于直流调速问题,给出了二阶模型下的参数计算公式,并进行了实验研究。分析和实验表明,MRAC 系统从根本上提高了拖动大系统的同步性、抗扰性和鲁棒性,大大改善了系统的动态特性。参考模型的引入,使系统的稳速精度进一步提高。系统结构简单,容易调整,能够在工业上进行推广应用。
Based on the literature [1], this paper presents a model reference auto-coordination (MRAC) system for multi-motor dragging large system. For the problem of DC speed regulation, the formula of the parameters under the second-order model is given and the experimental research is carried out. Analysis and experiment show that the MRAC system fundamentally improves the synchronization, immunity and robustness of the dragging system and greatly improves the dynamic characteristics of the system. The introduction of the reference model, the system steady speed accuracy to further improve. System structure is simple, easy to adjust, to promote the use of the industry.