Influence analysis and performance optimization of a pneumatic actuator exhaust utilization system
ID Yu, Qihui (Author), ID Li, Fengqi (Author), ID Tan, Xin (Author)

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Due to the loss of exhaust energy, the compressed air energy utilization efficiency in pneumatics system is low. To realize the recovery and utilization of cylinder compressed air, a new type of compressed air utilization system is proposed, and the composition and working principle of the system are introduced. According to the working process of the system, the mathematical model of the system is established by using equations such as energy equation and gas state equation. The model is simulated by MATLAB/Simulink tools, and the correctness of the mathematical model is verified by experiments. The mathematical models are converted into dimensionless models, and the main parameters affecting the system's operating characteristics are obtained through model simulation analysis. The influencing parameters are optimized by using the analytic hierarchy process and the grey correlation analysis method, and the exhaust utilization efficiency of the system is 34.7 % under the optimal parameter combination. To further utilize the compressed air expansion, the opening and closing time of the solenoid valve was controlled to study the energy-saving effect of the system. The study found that when the initial pressure of the compressed air supply tank was set to 0.5 MPa, 0.6 MPa, and 0.7 MPa, the maximum energy saving efficiency was 23.25 %, 24.99 %, and 26.12 %, respectively. When the volume of the compressed air supply tank is set to 0.8 L, 1 L, and 1.2 L, the maximum energy-saving efficiency is 30.01 %, 24.99 %, and 21.51 %, respectively. This paper provides a new technical scheme for compressed air recovery and reuse, as well as a theoretical basis for the control of subsequent compressed air utilization systems.

Keywords:pneumatic systems, exhaust utilization, analysis, characteristic, energy saving
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Number of pages:Str. 119-134
Numbering:Vol. 69, no. 3/4
PID:20.500.12556/RUL-145156 This link opens in a new window
ISSN on article:0039-2480
DOI:10.5545/sv-jme.2022.266 This link opens in a new window
COBISS.SI-ID:148363011 This link opens in a new window
Publication date in RUL:11.04.2023
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
COBISS.SI-ID:762116 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Title:Analiza vplivov in optimizacija delovanja sistema za izkoriščanje energije pri odzračevanju pnevmatskih aktuatorjev
Keywords:pnevmatski sistemi, izkoriščanje energije izpuščenega zraka, učinkovitost varčevanja z energijo, analitična hierarhija, metoda sive korelacijske analize, energija ekspanzije


Funder:Other - Other funder or multiple funders
Funding programme:National Natural Science Foundation of China
Project number:52065054

Funder:Other - Other funder or multiple funders
Funding programme:Beijing Outstanding Young Scientists Program
Project number:BJJWZYJH01202910006021

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