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Title:
LEG-TYPE MOVING ROBOT AND FLOOR REACTION FORCE DETECTION DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2003/057421
Kind Code:
A1
Abstract:
A displacement sensor (70) for producing an output showing the displacement of the ground-contact end of a foot unit (22) with respect to a second joint (18, 20) is provided inside or in the vicinity of an elastic element (382), and a floor reaction force acting on a foot unit based on an output from the displacement sensor is calculated by using a model that describes the relation between displacement and stress produced at an elastic element according to the displacement of the sensor, whereby it is possible to calculate a floor reaction force accurately and let a leg-type moving robot (1) walk further more constantly. In addition, dissimilar detection means are combined to form a dual system of sensors for an improved reliability in detection. A reliability in detection is further improved by a displacement sensor or the like that self-diagnoses whether or not it is deteriorated or abnormal and by temperature compensation without the provision of a temperature sensor.

Inventors:
TAKENAKA TORU (JP)
GOMI HIROSHI (JP)
SHIGEMI SATOSHI (JP)
MATSUMOTO TAKASHI (JP)
Application Number:
PCT/JP2002/013295
Publication Date:
July 17, 2003
Filing Date:
December 19, 2002
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
TAKENAKA TORU (JP)
GOMI HIROSHI (JP)
SHIGEMI SATOSHI (JP)
MATSUMOTO TAKASHI (JP)
International Classes:
A63H11/18; B25J5/00; B25J13/08; B25J19/00; B62D57/02; B62D57/032; (IPC1-7): B25J5/00
Domestic Patent References:
WO2001074546A12001-10-11
Foreign References:
JP2000254888A2000-09-19
JPH0852675A1996-02-27
JP2002337076A2002-11-26
JP2001264132A2001-09-26
JPH05264375A1993-10-12
JPH11160150A1999-06-18
Other References:
TOMOKAZU KATO: "Fukusushu no sensor o mochiita foot-tsuki toritsu niju furiko no seigyo", THE ROBOTICS SOCIETY OF JAPAN GAKUJUTSU KOENKAI YOKOSHU, vol. 17, no. 3, 9 September 1999 (1999-09-09), pages 999 - 1000, XP002967100
See also references of EP 1475194A4
Attorney, Agent or Firm:
Yoshida, Yutaka (20-2 Higashi Ikebukuro 1-chom, Toshima-ku Tokyo, JP)
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