Influence analysis and performance optimization of a pneumatic actuator exhaust utilization system

Yu, Qihui (author), Li, Fengqi (author), Tan, Xin (author)

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.

• Language: English
• 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
• Year: 2023
• Number of pages: Str. 119-134
• Numbering: Vol. 69, no. 3/4
• PID: 20.500.12556/RUL-145156
• UDC: 62-5
• ISSN on article: 0039-2480
• DOI: 10.5545/sv-jme.2022.266
• COBISS.SI-ID: 148363011
• Publication date in RUL: 11.04.2023

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.
• ISSN: 0039-2480
• COBISS.SI-ID: 762116

Licences

• License: CC BY 4.0, Creative Commons Attribution 4.0 International
• Link: http://creativecommons.org/licenses/by/4.0/
• 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

• Language: Slovenian
• 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

Projects

• 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