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A passivity-based controllers with integral actions is proposed to control the current loop of permanent magnet synchronous motor (PMSM). The Port-controlled Hamiltonian system with dissipation (PCHD) model of permanent magnet synchronous motor with voltage disturbance is established by introduction of the state error and the integral action. The Lyapunov function is constructed to analyze the stability...
This paper addresses robust consensus for a class of linear multi-agent systems (MASs) with uncertainty in communication network. It is suppose that the weighted adjacency matrix of the MAS is known to lie within an uncertainty polytope. Base on the Lyapunov stability theory combining with homogeneous parameter-dependent (HPD) Lyapunov functions, necessary and sufficient conditions for ensuring robust...
A parameterized design of composite nonlinear feedback controller is proposed for typical second-order servo systems subject to unknown constant disturbance and control input saturation. The control law consists of a linear feedback part for achieving fast response, a nonlinear feedback part for suppressing the overshoot, and a disturbance compensation mechanism for erasing the steady-state error...
Extreme learning machine is a novel single hidden layer feedforward neural networks with a strong abilities, for example simple net structure, fast learning speed, good generalization and so on. Aimed at the system with a delay unit, A new control strategy for internal model control is proposed to set up an inverse model of the minimal phase subsystem by using extreme learning machine with in-out...
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