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In this paper, We make horizontal balancer (HB) and confirm a possibility of the technique that can be applied to ship through horizontal vibration reduction experiment. We use MATLAB as the simulator tool and experimental equipment consists of two induction motors shafts of which cam type unbalanced loads are fixed to, DSP and inverter circuit. Two induction motors perform roles as vibrator and balancer respectively, DSP control softwares such as speed, phase and vector control program. The simulation and experimental results show that the balancer characterizes good vibration reduction by phase control.

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