恶劣海况下电力推进系统转速模糊补偿控制策略

Speed Fuzzy Compensation Control Strategy for Marine Electric Propulsion System under Rough Sea Conditions

针对恶劣海况下电力推进系统转速控制速度波动过大以及稳定时间过长的问题,在分析发生盘面积损失和卷气效应时螺旋桨推力损失和转矩损失的基础上,提出降低转速的控制策略(抗过旋控制1)、加入转矩损失补偿的控制策略(抗过旋控制策略2)以及模糊补偿控制策略(抗过旋控制策略3)。在MATLAB/Simulink中搭建仿真模型,比较不同控制策略的性能优劣。仿真试验结果表明,模糊补偿控制策略的效果最佳。

Aiming at the problems of large velocity disturbance and long stabilization time of the electric propulsion velocity control under the rough sea conditions,based on the analysis of propeller working area loss and ventilation incidents,the anti-spin control strategy of reducing the propeller shaft speed(anti-spin control method 1)and torque loss compensation(anti-spin control method 2)and fuzzy control compensation(anti-spin control method 3)are proposed.The MATLAB/Simulink model is built to compare the performance among the strategies.The simulation results show that method of fuzzy control compensation has the best control performance.