Development of a High-Pressure Pneumatic On/Off Valve with High Transient Performances Direct-Driven by Voice Coil Motor

The high-speed pneumatic on/off valve is one of the critical components in pneumatic systems, which has been widely investigated in the last decades. In this research, a new voice coil motor direct drive high-speed pneumatic on/off valve (VCM-DHPV) is proposed, and the mathematical model of VCM-DHPV, which consists of the fluid subsystem and electro-mechanical subsystem, is established. In addition, the key structural parameters of VCM-DHPV are optimized through the simulation analysis to improve its dynamic performance. The experiment results show that the developed VCM-DHPV has a good sealing performance by adopting the face-seal type in the valve port, and a large flow rate up to 5500 L/min, and its opening response time is 8.2 ms under the gas supply pressure of 8 MPa and exiting voltage of 240 V. With the supply pressure and the exciting voltage rising, the opening response time of VCM-DHPV is gradually increasing, and the variation tendency of the spool displacement curves is in accordance with the simulation results. This research will have significantly effects on raising the performance of the high-speed pneumatic on/off valve and the development of pneumatic precision motion control.

[1]  Ali Ghaffari,et al.  Modeling and identification of a solenoid valve for PWM control applications , 2009 .

[2]  Elif Erzan Topçu,et al.  Development of electro-pneumatic fast switching valve and investigation of its characteristics , 2006 .

[3]  Matti Linjama,et al.  Displacement control of a mobile crane using a digital hydraulic power management system , 2013 .

[4]  Liang Yan,et al.  A fault-tolerant triple-redundant voice coil motor for direct drive valves: Design, optimization, and experiment , 2013 .

[5]  Yan Shi,et al.  Detection of sputum by interpreting the time-frequency distribution of respiratory sound signal using image processing techniques , 2017, Bioinform..

[6]  Kyoung Kwan Ahn,et al.  Intelligent switching control of pneumatic actuator using on/off solenoid valves , 2005 .

[7]  Cao Dengqing,et al.  Design and Experimental Study of a VCM-Based Stewart Parallel Mechanism Used for Active Vibration Isolation , 2015 .

[8]  Yan Shi,et al.  Coupling Effect of Double Lungs on a VCV Ventilator with Automatic Secretion Clearance Function , 2019, IEEE/ACM Transactions on Computational Biology and Bioinformatics.

[9]  Yang Gang,et al.  Modeling and Control of a Novel High-Pressure Pneumatic Servo Valve Direct-Driven by Voice Coil Motor , 2013 .

[10]  Maolin Cai,et al.  Numerical simulation of volume‐controlled mechanical ventilated respiratory system with 2 different lungs , 2017, International journal for numerical methods in biomedical engineering.

[11]  Yan Shi,et al.  An aviation oxygen supply system based on a mechanical ventilation model , 2017 .

[12]  Andreas Kugi,et al.  Digitally controlled electrorheological valves and their application in vehicle dampers , 2012 .

[13]  Gang Yang,et al.  Evaluation and compensation of steady gas flow force on the high-pressure electro-pneumatic servo valve direct-driven by voice coil motor , 2013 .

[14]  Song Hu,et al.  High precision locating control system based on VCM for Talbot lithography , 2016, International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT).

[15]  Yildirim Hurmuzlu,et al.  A High Performance Pneumatic Force Actuator System: Part I—Nonlinear Mathematical Model , 2000 .

[16]  Huayong Yang,et al.  Engineering research in fluid power: a review , 2015 .

[17]  이기수,et al.  Multiphysics analysis of a linear control solenoid valve = 비례제어 솔레노이드 밸브의 다중물리 해석에 대한 연구 , 2013 .

[18]  Yildirim Hurmuzlu,et al.  A High Performance Pneumatic Force Actuator System: Part II—Nonlinear Controller Design , 2000 .

[19]  Liang Yan,et al.  Development of a Direct-Drive Servo Valve With High-Frequency Voice Coil Motor and Advanced Digital Controller , 2014, IEEE/ASME Transactions on Mechatronics.

[20]  Maolin Cai,et al.  Power characteristics of a new kind of air‐powered vehicle , 2016 .

[21]  Niko Herakovic,et al.  Reduction of the flow forces in a small hydraulic seat valve as alternative approach to improve the valve characteristics , 2015 .

[22]  Xu Zhipeng,et al.  Development of a Novel High Pressure Electronic Pneumatic Pressure Reducing Valve , 2011 .

[23]  Maolin Cai,et al.  Energy conversion characteristics of a hydropneumatic transformer in a sustainable-energy vehicle , 2016 .

[24]  Kenji Kawashima,et al.  Development of a digital control system for high-performance pneumatic servo valve , 2007 .

[25]  Bin Zhang,et al.  Study on control performance of pilot high-speed switching valve , 2017 .

[26]  Hong Guo,et al.  Research on a High-Frequency Response Direct Drive Valve System Based on Voice Coil Motor , 2013, IEEE Transactions on Power Electronics.

[27]  Maolin Cai,et al.  Influence of bronchial diameter change on the airflow dynamics based on a pressure‐controlled ventilation system , 2018, International journal for numerical methods in biomedical engineering.