Abstract:In order to achieve high-precision vibration output force tracking control of the electric shaking table, the output force tracking control algorithm of the vibration test experiment system driven by alternate current (AC) servo motor is studied. The three parameter controller, which is based on output force, displacement and speed, was used as the control algorithm. On Matlab/Simulink platform, the three parameter feedforward controller parameters were optimized and set with a real-coded genetic algorithm, and the simulation on sinusoidal output force tracking control was conducted. After a vibration output force tracking control experimental system based on the real time control software TwinCAT was built, the tracking experiment researches on four groups of vibration output signals were carried out. Experimental results testify the effectiveness and correctness of the electric vibration test device and the vibration output force following control strategy.