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A study on energy saving algorithm of electro-pneumatic regulator with modified PWM driven method

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Abstract

The development of an accurate and energy saving electro-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 electro-pneu-matic 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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Correspondence to Kyoung-Kwan Ahn.

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Kim, HS., Ahn, KK., Lee, BR. et al. A study on energy saving algorithm of electro-pneumatic regulator with modified PWM driven method. J Mech Sci Technol 20, 1339–1345 (2006). https://doi.org/10.1007/BF02915956

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  • DOI: https://doi.org/10.1007/BF02915956

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