Passivity Based Controller Design Based on EL and PCHD Model

In this paper, the method of passivity based controller design, is introduced according to passivity, EL (Euler-Lagrange) and PCHD(Port Controlled Hamiltonian with Dissipation) model of nonlinear system. In order to improve the property of system, energy shaping and damping injection are adopted in passivity based controller design. Passivity based controller is used in PWM rectifier, the properties of PWM rectifier is improved. The paper points out deficiencies of passivity based controller design based on EL and PCHD model, and further research.