The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 07, 1995

Filed:

Jan. 13, 1993
Applicant:
Inventors:

Hisao Kaneko, Yokohama, JP;

Makoto Oda, Yokohama, JP;

Shigeharu Nakano, Hitachi, JP;

Yukio Obata, Yokohama, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ; D06F / ;
U.S. Cl.
CPC ...
364140 ; 364142 ; 364143 ; 68 1202 ;
Abstract

Fractal operation is applied to motion of amenity products or rotating machines within a practical range and motion close to a natural phenomenon is realized by doing it. For example, a washing machine is structured so as to realize washing close to that of washing by hand. Control parameters are given to the control unit regularly and recursively by a fundamental rule and the processing is iterated. Furthermore, at least one of the control parameters is reduced, in which the reduction is effected gradually in accordance with a reduction rate and in which at least one of the reduction rate, the dimension of recursive iteration, and the number of times of self-similar iteration is given as a pseudo random number which varies within a predetermined range.


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