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[Keyword] quantized control(2hit)

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  • Power Processing for Advanced Power Distribution and Control Open Access

    Ryo TAKAHASHI  Shun-ichi AZUMA  Mikio HASEGAWA  Hiroyasu ANDO  Takashi HIKIHARA  

     
    POSITION PAPER-Energy in Electronics Communications

      Pubricized:
    2016/12/14
      Vol:
    E100-B No:6
      Page(s):
    941-947

    A power packet dispatching system is proposed to realize the function of power on demand. This system distributes electrical power in quantized form, which is called power processing. This system has extensibility and flexibility. Here, we propose to use the power packet dispatching system as the next generation power distribution system in self-established and closed system such as robots, cars, and aircrafts. This paper introduces the concept and the required researches to take the power packet dispatching system in practical phase from the total viewpoints of devices, circuits, power electronics, system control, computer network, and bio-inspired power consumption.

  • Dynamic Quantization of Nonaffine Nonlinear Systems

    Shun-ichi AZUMA  Toshiharu SUGIE  

     
    PAPER-Systems and Control

      Vol:
    E96-A No:10
      Page(s):
    1993-1998

    For quantized control, one of the powerful approaches is to use a dynamic quantizer, which has internal memories for signal quantization, with a conventional controller in the feedback control loop. The design of dynamic quantizers has become a major topic, and a number of results have been derived so far. In this paper, we extend the authors' recent result on dynamic quantizers, and applied them to a more general class of nonlinear systems, called the nonaffine nonlinear systems. Based on the performance index representing the degradation caused by the signal quantization, we propose practical dynamic quantizers, which include the authors' former result as a special case. Moreover, we provide theoretical results on the performance and on the stability of the resulting quantized systems.