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Compare three DC motor control techniques for tracking setpoint commands and reducing sensitivity to load disturbances.
22 wrz 2019 · In this post, we explain how to model a DC motor and to simulate control input and disturbance responses of such a motor using MATLAB’s Control Systems Toolbox. We obtain a state-space model of the system. This model is used in other lectures to demonstrate basic control principles and algorithms.
A common actuator in control systems is the DC motor. It directly provides rotary motion and, coupled with wheels or drums and cables, can provide translational motion. The electric equivalent circuit of the armature and the free-body diagram of the rotor are shown in the following figure.
In this paper we propose an embedded system based current controlling method using the disturbance observer. Dynamic model of the DC motor is analyzed electrically and mechanically. Then the proposed method is analyzed by introducing the concept of disturbance observer.
Reduce Order Dc Motor Model with External load. The mechanical dynamics given by the damping and rotational inertia of the external system transform a torque disturbance into a corresponding speed disturbance.
Projective Control of DC Motors Under Disturbance Torques. In this study, we will present the design of a linear DC motor controller by projective linear qudratic servo feedback (P-LQSF) and analyze its stability through the notion of input to state stability theory.
Build and Simulate a Simple DC Motor. In this example, you model a DC motor driven by a constant input signal that approximates a pulse-width modulated signal and look at the current and rotational motion at the motor output.
