Efficient control of servo pneumatic actuator system utilizing by-pass valve and digital sliding mode

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• 作者：VLADISLAV BLAGOJEVI膯 (1)
  DRAGAN 艩E艩LIJA (2)
  MIODRAG STOJILJKOVI膯 (1)
  SLOBODAN DUDI膯 (2)
  
• 关键词：Energy efficiency ; servo pneumatics ; motion control ; sliding mode control
• 刊名：Sadhana
• 出版年：2013
• 出版时间：April 2013
• 年：2013
• 卷：38
• 期：2
• 页码：187-197
• 全文大小：497KB
• 参考文献：1. Al-Dakkan K A, Goldfarb M and Barth E J 2003 Energy saving control for pneumatic servo systems, In: / Proceedings of the 2003 IEEE/ASME International Conference, AIM 2003: Advanced Intelligent Mechatronics 1: 284鈥?89
  2. Blagojevi膰 V and Milosavljevi膰 膶 2002 Application of digital sliding modes to synchronization of the work of two pneumatic cylinders. / Facta Universitatis, Series: Mechanical Engineering University of Nis 9: 1275鈥?285
  3. Blagojevi膰 V and Stojiljkovi膰 M 2007 Mathematical and Simulink Model of the Pneumatic System with Bridging of the Dual Action Cylinder Chambers. / Facta univesitatis, Series: Mechanical Engineering University of Ni拧 5: 23鈥?1
  4. Blagojevi膰 V, Milosavljevi膰 膶 and Radovanovi膰 M 2003 Improvement of the Work of the Pneumatic Machine for Bending by Using the Digital Sliding Mode. / Facta univesitaties, Series: Mechanical Engineering, University of Ni拧 10: 1347鈥?354
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• 作者单位：VLADISLAV BLAGOJEVI膯 (1)
  DRAGAN 艩E艩LIJA (2)
  MIODRAG STOJILJKOVI膯 (1)
  SLOBODAN DUDI膯 (2)
  
  1. Faculty of Mechanical Engineering, University of Nis, Aleksandra Medvedeva 14, 18000, Nis, Serbia
  2. Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovi膰a 6, 21000, Novi Sad, Serbia
  
• ISSN：0973-7677

文摘

The issue of energy saving nowadays is very crucial. Pneumatic systems, constituting an important segment of almost every industry, represent large energy consumers. Also, a significant problem with servo pneumatic actuators is achieving accuracy in positioning. The higher the positioning accuracy, the higher the compressed air consumption is. This paper presents a new solution of the positioning control algorithm which unifies digital control of variable structure and sliding working mode and inter chamber cross-flow. The experiments demonstrated that this control algorithm provides a satisfactory positioning accuracy and robustness of the system, simultaneously reducing compressed air consumption by as much as 29.5%.