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Optimization Design of Actuator Parameters in Multistage Reciprocating Compressor Stepless Capacity Control System Based on NSGA-II

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  • Zhinong Jiang
  • Chao Zhou
  • Yao Wang
  • Jinjie Zhang
  • Wenhua Liu
  • Xu Sun

Abstract

The capacity control system of reciprocating compressor has great significance for the contribution of energy conservation and emission reduction. The parameters of the actuator and hydraulic system within a reciprocating compressor stepless capacity control system play a decisive role in its control accuracy, mechanical reliability, and mechanical security. The actuators and hydraulic system parameters of the same stage are in conflict with each other. Therefore, the actuator and the multistage reciprocating compressor are studied here, specifically through multiobjective optimization using the Nondominated Sorting Genetic Algorithm (NSGA)-II. The multiobjective optimization design was performed on a two-dimensional (2D) reciprocating compressor test bench. When the spring stiffness of the first stage spring was 27358 N m −1 , the spring stiffness of the second stage spring was 23315 N m −1 , the inlet oil pressure was 296.62 N, the impact velocity of ejection was 0.4215 m s −1 , and the total indicated power deviation was 12.05 kW; the objective functions were optimized. Compared with traditional parameters, the inlet oil pressure, spring stiffness, and impact velocity were all reduced. This parameter optimization design lays the foundations for global optimization designs for stepless capacity control systems.

Suggested Citation

  • Zhinong Jiang & Chao Zhou & Yao Wang & Jinjie Zhang & Wenhua Liu & Xu Sun, 2020. "Optimization Design of Actuator Parameters in Multistage Reciprocating Compressor Stepless Capacity Control System Based on NSGA-II," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-13, April.
  • Handle: RePEc:hin:jnlmpe:7581845
    DOI: 10.1155/2020/7581845
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    Cited by:

    1. Kui Lu & Ibrahim A. Sultan & Truong H. Phung, 2023. "A Literature Review of the Positive Displacement Compressor: Current Challenges and Future Opportunities," Energies, MDPI, vol. 16(20), pages 1-25, October.
    2. Cui, Weilin & Wang, Dexi & Hong, Xiao & Liu, Dajing & Fu, Xinrui & Li, Shengdong, 2024. "Research and development of innovative bidirectional control plate valve for reciprocating compressor," Applied Energy, Elsevier, vol. 365(C).

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