A Design Method for Nonlinear Control Systems Based Upon Partial Knowledge About Controlled Objects

Kitamori, Toshiyuki

doi:10.1016/s1474-6670(17)63526-2

Cited by 18 publications

(13 citation statements)

References 8 publications

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“…T L , T p , and K p denote time-delay, time constant, and steady-state gain of the process model, respectively. By using the 1/1 Pade approximation and ignoring the derivative filter, the partial model matching method (Kitamori [1981]) provides the following PID setting rule.…”

Section: Robust I-pd Controller Tuningmentioning

confidence: 99%

Practice and Challenges in Chemical Process Control Applications in Japan

Ogawa

Kano

2008

IFAC Proceedings Volumes

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Abstract:This paper surveys how the three central pillars of process control -PID control, conventional advanced control, and model predictive control -have been used and how they have contributed to production activity from the viewpoint of the process control section in the Japanese chemical industry. In addition to introducing practical methods and their application results, the authors point out challenging problems, which include the development of a general model-based control technique to enhance batch process control.

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Section: Robust I-pd Controller Tuningmentioning

confidence: 99%

Practice and Challenges in Chemical Process Control Applications in Japan

Ogawa

Kano

2008

IFAC Proceedings Volumes

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“…Here, our proposed method utilizes I‐PD control [9,10] instead of PID control. In the existing PID control, when the value (variation) of reference becomes large, output of its proportional (derivative) element becomes large.…”

Section: Introductionmentioning

confidence: 99%

Task transmission control with dynamic lightpath setup for constant processing delay in an optical grid

Nakamura

Tachibana

Matsui

2012

IEEJ Transactions Elec Engng

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This paper proposes a task transmission control with dynamic lightpath setup in an optical grid. In our proposed method, a job manager changes the number of tasks in a resource manager dynamically so as to maintain a constant processing delay. It leads to effective utilization of computing resource. I-PD control is applied to maintain efficient network management. Furthermore, in order to avoid frequent lightpath setup process, multiple lightpaths are established simultaneously by our proposed algorithm. Numerical results show the effectiveness of the proposed task transmission method.

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“…Because areas (1) and (2) are discussed in detail in the literature [11, we will devote ourselves here to the DDM control system.…”

Section: Introductionmentioning

confidence: 99%

“…The ROM table values were determined as follows [2]. The poles were arranged in a form close to a Bessel pattern, and the zero placement and feedforward were obtained by simulation.…”

mentioning

confidence: 99%

A direct-drive motor control system and its features

Ono

1991

Advanced Robotics

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Although direct-drive motors (DD motors) have been available for some time, the appearance of the DD motors now being used in industrial equipment is a relatively recent phenomenon. As DD motors by their basic principle operate without a reduction gear and transmit their rotational force directly, they eliminate the problems that result from interposition of the reduction gear and have enabled faster, more accurate positioning than is obtained with conventional DC and AC servo motors. However, for a long time DD motors have been considered difficult to control and susceptible to external disturbances and load variations which hinders their wider use.The DYNASERV DD motor, developed and introduced by Yokogawa Electric Corp. in 1987 (and now manufactured and marketed by Yokogawa Precision Corp.), exploits a new control system to conquer these weaknesses of the DD motor, and is being put to use in large numbers in a variety of industrial equipment such as assembly robots, chip mounters, and label printing machines. This paper gives an overview of the DYNASERV control system.

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A Design Method for Nonlinear Control Systems Based Upon Partial Knowledge About Controlled Objects

Cited by 18 publications

References 8 publications

Practice and Challenges in Chemical Process Control Applications in Japan

Practice and Challenges in Chemical Process Control Applications in Japan

Task transmission control with dynamic lightpath setup for constant processing delay in an optical grid

A direct-drive motor control system and its features

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