In order to improve the speed stability and dynamic responsiveness of methanol engine, this study proposes an intelligent control strategy based on deep reinforcement learning (DRL). By applying the flexible actor-critic (SAC) algorithm and deep deterministic policy gradient (DDPG) algorithm, a DRL controller was constructed that can replace the traditional PID speed control loop. Based on the MATLAB/Simulink platform, a high-precision crankcase power output model are established by combining the engine experimental data. Simulation results show that the SAC algorithm exhibits faster response time, lower error level and smaller overshoot rate in speed control.

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Deep Reinforcement Learning Based Speed Control of Pure Methanol Engine

  • Yafeng Ren,
  • Jiaxin Qin,
  • Hong Jia

摘要

In order to improve the speed stability and dynamic responsiveness of methanol engine, this study proposes an intelligent control strategy based on deep reinforcement learning (DRL). By applying the flexible actor-critic (SAC) algorithm and deep deterministic policy gradient (DDPG) algorithm, a DRL controller was constructed that can replace the traditional PID speed control loop. Based on the MATLAB/Simulink platform, a high-precision crankcase power output model are established by combining the engine experimental data. Simulation results show that the SAC algorithm exhibits faster response time, lower error level and smaller overshoot rate in speed control.