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Title: US5897672: Clothes fabric type blend detection method and apparatus
[ Derwent Title ]


Country: US United States of America

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31 pages

 
Inventor: Badami, Vivek Venugopal; Schenectady, NY
Bonissone, Piero Patrone; Schenectady, NY
Dausch, Mark Edward; Latham, NY

Assignee: General Electric Company, Schenectady, NY
other patents from GENERAL ELECTRIC COMPANY (218550) (approx. 30,796)
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Published / Filed: 1999-04-27 / 1997-12-05

Application Number: US1997000985823

IPC Code: Advanced: D06F 39/00;
Core: more...
IPC-7: D06F 33/02;

ECLA Code: D06F39/00C2;

U.S. Class: Current: 008/159; 068/012.04; 068/012.05; 068/012.21;
Original: 008/159; 068/012.04; 068/012.05; 068/012.21;

Field of Search: 008/158,159 068/12.02,12.04,12.05,12.21

Priority Number:
1997-12-05  US1997000985823

Abstract: A method and apparatus for detecting the relative proportion of various fabric types present in a clothes load in a clothes washer are provided, in which a set of fuzzy logic membership functions is defined at each clothes load weight across a range of expected load weights to be handled by the clothes washer, with the set of membership functions representing various fabric types that might be present in the clothes load. The membership functions are defined at least in part by a washer operating state that is to be sensed during initial washer operation, and the method includes obtaining a value for the clothes load weight, sensing a value of the washer operating state, and determining a degree of fulfillment of the sensed value in each of the membership functions defined for that given clothes load. The degree of fulfillment represents the relative proportion of the various fabric types for which membership functions are defined, and the information regarding the resultant degrees of fulfillment may be employed in controlling the operation of the washer for optimal performance. The apparatus constitutes a washer controller having a microprocessor that receives signals corresponding to the weight of the clothes load, the sensed value of the predetermined washer operating state, and has stored therein the data necessary to generate the set of membership functions for each clothes load weight.

Attorney, Agent or Firm: Ingraham, Donald S. ; Stoner, Douglas E. ;

Primary / Asst. Examiners: Stinson, Frankie L.;

Maintenance Status: E1 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 20 claims
What is claimed is:     1. A method for detecting a mix of fabric types making up a load of items disposed in a clothes washer, comprising:
  • obtaining a value of a dry weight of said load of items disposed in said clothes washer;
  • developing for said dry weight value, a set of fuzzy logic membership functions corresponding to a plurality of fabric types that may be included in said load of items, each of said membership functions being dependent upon at least one washer operating state to be sensed;
  • sensing a value of said at least one washer operating state; and
  • computing a degree of fulfillment of the sensed value of said washer operating state in each of the set of membership functions, wherein said degree of fulfillment in each of said membership function represents the relative proportion of a fabric type represented by each of said membership functions.


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Forward References: Show 6 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (6)   |   Backward references (30)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 5pp US4400838  1983-08 Steers et al.  U.S. Philips Corporation Method of determining the average nature of the materials of the laundry in a laundry washing machine and washing machine employing said method
Buy PDF- 45pp US4481786  1984-11 Bashark  Whirlpool Corporation Electronic control for a domestic appliance
Buy PDF- 9pp US4607408  1986-08 Didier et al.  Es swein S.A. Method for determining a moment of inertia of clothes in a washing and/or drying machine
Buy PDF- 7pp US4835991  1989-06 Knopp et al.  Whirlpool Corporation Automatic water level control system for an automatic washer
Buy PDF- 10pp US5042276  1991-08 Kamano et al.  Hitachi, Ltd. Fully automatic washing machine
Buy PDF- 19pp US5072473  1991-12 Thuruta et al.  Hitachi, Ltd. Full-automated washer
Buy PDF- 10pp US5144819  1992-09 Hiyama et al.  Hitachi, Ltd. Controller of a washing machine
Buy PDF- 6pp US5156025  1992-10 Frucco  Zanussi Elettrodomestici S.p.A. Control apparatus for a laundry washing and/or drying machine
Buy PDF- 63pp US5161393  1992-11 Payne et al.  General Electric Company Electronic washer control including automatic load size determination, fabric blend determination and adjustable washer means
Buy PDF- 15pp US5208931  1993-05 Williams  Fisher & Paykel Limited Laudry machines and/or methods of controlling the same
Buy PDF- 12pp US5230228  1993-07 Nakano et al.  Hitachi, Ltd. Controller for operation of washing machine
Buy PDF- 11pp US5233847  1993-08 Tanaka  Kabushiki Kaisha Toshiba Washing machine
Buy PDF- 7pp US5235827  1993-08 Kiuchi et al.  Matsushita Electric Industrial Co., Ltd. Control device for washing machine
Buy PDF- 26pp US5241845  1993-09 Ishibashi et al.  Kabushiki Kaisha Toshiba Neurocontrol for washing machines
Buy PDF- 6pp US5259217  1993-11 Civanelli et al.  Whirlpool International B.V. Device for determining the type of constituent fabric of a load or clothes to be washed in a washing machine or the like
Buy PDF- 4pp US5284523  1994-02 Badami et al.  General Electric Company Fuzzy logic control method for reducing water consumption in a machine for washing articles
Buy PDF- 13pp US5291626  1994-03 Molnar et al.  General Electric Company Machine for cleansing articles
Buy PDF- 9pp US5313964  1994-05 Dausch et al.  General Electric Company Fluid-handling machine incorporating a closed loop system for controlling liquid load
Buy PDF- 12pp US5330580  1994-07 Whipple, III et al.  General Electric Company Dishwasher incorporating a closed loop system for controlling machine load
Buy PDF- 9pp US5337431  1994-08 Kim et al.  Goldstar Co., Ltd. Apparatus for and method of determining quality of clothes to be washed
Buy PDF- 9pp US5419163  1995-05 Kim et al.  Goldstar Co., Ltd. Apparatus for controlling washer
Buy PDF- 15pp US5515565  1996-05 Maddix et al.  Whirlpool Corporation Wash liquid level control system for an automatic washer
Buy PDF- 8pp US5577283  1996-11 Badami et al.  General Electric Company Energy efficient washer with inertia based method for determining load
Buy PDF- 6pp US5600310  1997-02 Whipple, III et al.  General Electric Company Serial bus control for appliances
Buy PDF- 8pp US5600961  1997-02 Whipple, II  General Electric Company Refrigeration system with dual cylinder compressor
Buy PDF- 46pp US5619614  1997-04 Payne et al.  General Electric Company Appliance electronic control system with programmable and reconfigurable fuzzy logic controller
Buy PDF- 13pp US5669095  1997-09 Dausch et al.  General Electric Company Adaptive water level controller for washing machine
Buy PDF- 10pp US5669250  1997-09 Dausch et al.  General Electric Company Washing machine fill control system
Buy PDF- 8pp US5701624  1997-12 Shin et al.  Samsung Electronics Co., Ltd. Method of operating a clothes washer in cold weather
Buy PDF- 15pp US5768729  1998-06 Cracraft  Maytag Corporation Adaptive fill control for an automatic washer
       
Foreign References:
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Publication Date IPC Code Assignee   Title
  JP61094684 1986-05       
  JP02077296 1990-03       
  JP03032699 1991-02       


Other Abstract Info: DERABS C1999-287189 DERABS C1999-287189

Other References:
  • "Intelligent Dishwasher Outsmarts Dirt", Andrea Baker, Associate Editor, Design News, Apr. 10, 1995, pp. 67-73.
  • "Decision-Making in a Fuzzy Environment", R. E. Bellman and L.A. Zadeh, Management Science, vol. 17, No. 4, Dec. 1970, pp. B-141-B-165.
  • "It Washes! It Rinses! It Talks!", Lawrence A. Berardinis, Senior Editor, Machine Design, Sep. 12, 1991, pp. 43-47.
  • "State-of-the-art in Household Appliances Using Fuzzy Logic", Alanna Quali and Adnan Shaout, University of Michigan, Dept. of Electrical and Computer Engineering--pp. 204-213.
  • "Sensor Appliance Control, and Fuzy Logic", Michael Lawrence Smith, IEEE Transactions on Industry Applications, vol. 30, No. 2, Mar./Apr. 1994, pp. 305-310. (6 pages) Cited by 4 patents [ISI abstract]
  • "Introduction to Japanese Consumer Products that Apply Neural networks and Fuzzy Logic", Hideyuki Takagi, University of California at Berkeley, Computer Science Division, pp. 1-8.
  • "Fuzzy Logic-Based Supervisory Control of Household Appliances", Vivek V. Badami, IEEE, Apr. 1997, pp. 213-217.
  • "ANFIS: Adaptive-Network-Based Fuzzy Inferencing Systems", IEEE Transactions on Systems, Man and Cybernatics, vol. 23, No. 3, May 1993, pp. 665-685.


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