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<p>Pneumatic actuators serve as fundamental energy conversion components that transform compressed air into mechanical motion. To improve energy efficiency, we developed a stroke-triggered dual-mode pneumatic actuator system capable of dynamically switching between energy-saving (differential) mode and conventional exhaust mode, thereby optimizing the trade-off between energy efficiency and cycle time. The mathematical model was established using dynamic equations, gas state equations, and continuity equations, and a simulation model was built in AMEsim for performance analysis. Through experimental verification, both the model's accuracy and the system's energy-saving characteristics were confirmed. The results show that under conditions of 100&#xa0;mm bore, 100&#xa0;mm differential mode, 1&#xa0;kg load, and 0.6&#xa0;MPa supply pressure, the maximum energy-saving rate reaches 43.1%. Through a combination of full-factorial and orthogonal experimental designs and by adopting a game theory-based AHP-Entropy comprehensive weighting model, the key parameters were optimized. The optimal configuration (0.7&#xa0;MPa supply pressure, 80% throttle opening, 80&#xa0;kg load, 100&#xa0;mm differential stroke) achieves 4.49&#xa0;s running time with a 45.91% energy-saving rate.</p>

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Research on Energy-Saving Characteristic Analysis, Optimization, and Performance Evaluation of a Dual-Mode Pneumatic Actuator System

  • 期刊论文

  • 发表日期：

    2025年8月22日

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  • Qihui Yu,
  • Zhenjie Han,
  • Ruyang Yu,
  • Ripeng Qin,
  • Xueqing Hao,
  • Guoxin Sun

摘要

Pneumatic actuators serve as fundamental energy conversion components that transform compressed air into mechanical motion. To improve energy efficiency, we developed a stroke-triggered dual-mode pneumatic actuator system capable of dynamically switching between energy-saving (differential) mode and conventional exhaust mode, thereby optimizing the trade-off between energy efficiency and cycle time. The mathematical model was established using dynamic equations, gas state equations, and continuity equations, and a simulation model was built in AMEsim for performance analysis. Through experimental verification, both the model's accuracy and the system's energy-saving characteristics were confirmed. The results show that under conditions of 100 mm bore, 100 mm differential mode, 1 kg load, and 0.6 MPa supply pressure, the maximum energy-saving rate reaches 43.1%. Through a combination of full-factorial and orthogonal experimental designs and by adopting a game theory-based AHP-Entropy comprehensive weighting model, the key parameters were optimized. The optimal configuration (0.7 MPa supply pressure, 80% throttle opening, 80 kg load, 100 mm differential stroke) achieves 4.49 s running time with a 45.91% energy-saving rate.