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Discrete PID algorithm with non-uniform sampling - Practical implementation in control system

机译:具有非均匀采样的离散PID算法 - 控制系统中的实际实现

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In the paper the practical implementation of a discrete PID algorithm (DPID) with non-uniform sampling is presented. Studies starts with the discretized well known continuous PID equation with trapezoidal integration method. As a result, difference equation associated with the respect continuous-time model is obtained. Then, MATLAB/Simulink block model is developed in such way that a change sampling time during simulation is enabled. Algorithm is tested numerically in modeled DC motor speed control system. In order to compare results with conventional fixed-step controller, functions of control quality and number of samples are used. In the next step, developed DPID with non-uniform sampling is implemented to microprocessor of Arduino board and put into a series of experimental tests. Obtained results are compared to simulation. In the last part of the paper advantages and disadvantages of the proposed system are described, conclusions are drawn and directions of future work are pointed out.
机译:在论文中,呈现了具有非均匀采样的离散PID算法(DPID)的实际实现。研究从具有梯形整合法的离散众所周知的连续PID方程开始。结果,获得与尊重连续时间模型相关的差异方程。然后,以这样的方式开发Matlab / Simulink块模型,即启用模拟期间的更改采样时间。算法在模型的直流电动机速度控制系统中进行了数值测试。为了将结果与传统的固定步骤控制器进行比较,使用控制质量和样品数量的功能。在下一步中,使用非均匀采样开发的DPID用于Arduino板的微处理器,并进入一系列实验测试。将得到的结果与模拟进行了比较。在所述纸张的最后部分描述了所提出的系统的优点和缺点,得出结论,指出了未来工作的方向。

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