Applied Mathematics and Mechanics (English Edition) ›› 1994, Vol. 15 ›› Issue (3): 259-266.

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NECESSARY AND SUFFICIENT CRITERIA FOR ABSOLUTE STABILITY OF THE DIRECT CONTROL SYSTEM

Zhang Ji-ye, Shu Zhong-zhou   

  1. Department of Engineering Mechanics, Southwest Jiao-tong University, Chengdu
  • Received:1993-04-22 Online:1994-03-18 Published:1994-03-18

Abstract: In this paper,some necessary and sufficient conditions for absolute stability ofseveral classes of direct control system are given,and the two simplified forms of thecontrol systems obtained twice[2,4] are discussed.The corresponding results in [7-12]are improved.

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