This paper considers the optimized PIDI 2 D 2 controller based on genetic algorithm for three tank liquid level control systems. The process control of the liquid level inside the tank is an important issue for today's industrial processes due to the requirement of mixing the liquid components. Thus, the designing and implementation of the controllers for such a system are major problems which need to be considered. At the moment, most controllers using in the process control are basic PID controllers. However, sometimes the poor performance for the system with PID controller will be acquired; i.e., the slow settling time and high overshoot. Therefore, this paper proposes an efficient method of tuning controller PIDI 2 D 2 parameters by using genetic algorithm (GA). According to the proposed technique in this paper, the simulation results that the improvement of the settling time and overshoot for the system is obtained by comparing with the tuning controller PID parameters based on GA and PSO techniques.
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机译：本文考虑了基于遗传算法的优化PIDI 2 D 2控制器用于三罐液位控制系统。由于需要混合液体成分，因此对于当今工业过程而言，罐内液位的过程控制是一个重要问题。因此，用于这种系统的控制器的设计和实现是需要考虑的主要问题。目前，在过程控制中使用的大多数控制器都是基本的PID控制器。但是，有时会发现带有PID控制器的系统性能较差;即缓慢的建立时间和较高的过冲。因此，本文提出了一种利用遗传算法（GA）对控制器PIDI 2 D 2参数进行整定的有效方法。根据本文提出的技术，通过与基于GA和PSO技术的调节控制器PID参数进行比较，仿真结果表明，系统的建立时间和超调量得到了改善。
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