[특허]Intelligent servomechanism controller

Intelligent servomechanism controller 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/18 G05B-013/02
출원번호	US-0967992 (1992-10-28)
발명자 / 주소	Khan Emdadur R. (San Jose CA)
출원인 / 주소	National Semiconductor Corporation (Santa Clara CA 02)
인용정보	피인용 횟수 : 34 인용 특허 : 0

초록 ▼

A controller for a servomechanism (such as a computer disk drive) includes both a conventional dumb controller and a neural network controller working in conjunction with one another. In one embodiment, the neural network controller and dumb controller operate in a quasi-series configuration, with the neural network controller receiving and processing the output of the dumb controller to produce a servomechanism control signal. In another embodiment, the neural network controller and dumb controller operate in a quasi-parallel configuration, with the outputs of the neural network controller and dumb controller being combined to produce an intelligent servomechanism control signal. In yet another embodiment, the neural network controller and dumb controller operate in a quasi-series configuration during the recall phase, following the learning phase in which the neural network controller is trained to develop an indirect performance model of the serial combination of the dumb controller and servomechanism. In still another embodiment, the neural network controller and dumb controller operate in a quasi-series configuration during the recall phase, while a model neural network is used to develop a direct performance model during the learning phase of the serial combination of the dumb controller and servomechanism which is then used to train the neural network controller for its operation during the recall phase.

대표청구항 ▼

A neural network controller for a plant which has a desired plant performance parameter represented by a reference signal and which has an actual plant performance parameter represented by an actual performance signal, said neural network controller comprising: a first input port for inputting a controller weights adjust signal; a second input port for inputting a dumb control signal; neural network means coupled to said first and second input ports for receiving said inputted controller weights adjust signal and dumb control signal, and for processing said inputted dumb control signal in accordance with said inputted controller weights adjust signal to generate a plant control signal; an output port for outputting said plant control signal; and input signal combiner means coupled to said first input port for receiving and combining a reference signal and an actual performance signal and for providing in accordance therewith a first performance error signal, wherein said reference signal represents a desired plant performance parameter, said actual performance signal represents an actual plant performance parameter and said first performance error signal represents a first difference between said desired plant performance parameter and said actual plant performance parameter.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Intelligent servomechanism controller 원문보기

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Intelligent servomechanism controller 원문보기

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