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在微处理机控制直流电机调速系统中,一个控制算法的优劣,不仅决定着调速特性的好坏,而且直接影响着对系统硬件本身的指标要求。因此,研究一个性能优越的控制算法具有特别重要的意义。本文从现代控制理论出发,利用状态空间法,与积分调节相结合,提出了一个简单实用的控制算法。成功地解决了单闭环控制的条件约束问题,实现了响应快和无超调无稳态误差调节,降低了对硬件工作速度的过高要求。最后用仿真实验和实际实验进行了验证。
In microprocessor-controlled DC motor speed control system, the advantages and disadvantages of a control algorithm, not only determines the quality of the speed governor, but also directly affects the system hardware itself index requirements. Therefore, it is of special importance to study a control algorithm with superior performance. Based on the modern control theory, this paper proposes a simple and practical control algorithm by using the state space method combined with integral adjustment. The problem of conditional constraint of single closed-loop control is successfully solved, the adjustment of no-steady-state error with fast response and no overshoot is realized, and the excessively high requirement on the working speed of the hardware is reduced. Finally, the simulation experiments and practical experiments were carried out.