基于单神经元自适应PI的PWM整流器控制

PWM Rectifier Control Based On Single Neuron Adaptive PI

根据三相电压型PWM整流器的基本结构及数学模型,推出以电网电压定向的矢量控制方法,在Matlab环境下搭建了三相PWM整流器控制系统仿真模型。将单神经元自适应PI控制引入到系统中,用S函数实现了单神经元自适应PI控制算法,对基于单神经元自适应PI控制算法与基于普通PI控制算法的三相PWM整流器系统分别进行了特性仿真,结果表明,基于单神经元自适应PI控制算法的三相PWM整流器系统不仅能满足系统控制要求,而且具有较好的动态响应能力和抗扰能力。

According to basic structure and mathematic model of three phases PWM rectifier, vector control method with the grid voltage orientation is inferred, simulating model of three phases PWM rectifier control system in Matlab is built. Single neuron adaptive PI control is applied to the system, control algorithm is realized with S function, and three phases PWM rectifier system based on single neuron adaptive PI and general PI algorithm are simulated , it is shown that three phases PWM rectifier system based on single neuron adaptive PI can meet the needs of the control system, it has also capacity to good dynamic respond and resist disturb.