A Study on Energy Saving Algorithm of Pneumatic Regulator with Modified PWM Driven Method

  • Kim, H.S. (School of Mech. & Auto. Engineering, University of Ulsan) ;
  • Ahn, K.K. (Department of Mech. & Auto. Engineering, University of Ulsan) ;
  • Lee, B.R. (Department of Mech. & Auto. Engineering, University of Ulsan) ;
  • Yun, S.N. (Korea Institute Machinery & Materials)
  • Published : 2005.06.02

Abstract

The development of an accurate and energy saving pneumatic regulator that may be applied to a variety of practical pressure control applications is described in this paper. A novel modified pulse width modulation(MPWM) valve pulsing algorithm allows the pneumatic regulator to become energy saving system. A comparison between the system response of conventional PWM algorithm and that of the modified PWM(MPWM) algorithm shows that the control performance is almost the same, but energy saving is greatly improved by adopting this new MPWM algorithm. The effectiveness of the proposed control algorithm is demonstrated through experiments with various reference trajectories.

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