So we build the mathematical model of electro-hydraulic proportional servo control system. Since nonlinear and time-variable links are existing in electro-hydraulic system, meanwhile for eliminating the steady error and enhancing control precision, PID controller and BP-PID controller are used.
为此,建立了电液伺服控制系统的数学模型,针对电液系统中普遍存在着非线性环节及时变特性,同时为了消除系统的稳态误差和提高控制精度,提出了PID控制、BP—PID控制两种策略,并分别对其进行仿真试验。
参考来源 - 折弯机数控技术的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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