WO2002004256A3 - Vehicle occupant weight classification system - Google Patents

Vehicle occupant weight classification system Download PDF

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Publication number
WO2002004256A3
WO2002004256A3 PCT/US2001/021649 US0121649W WO0204256A3 WO 2002004256 A3 WO2002004256 A3 WO 2002004256A3 US 0121649 W US0121649 W US 0121649W WO 0204256 A3 WO0204256 A3 WO 0204256A3
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
sensors
inaccuracies
dimensional profile
classification system
Prior art date
Application number
PCT/US2001/021649
Other languages
French (fr)
Other versions
WO2002004256A2 (en
Inventor
Gerd Winkler
Andreas Knueppel
Gerald Schicker
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Priority to DE60103060T priority Critical patent/DE60103060T2/en
Priority to JP2002508939A priority patent/JP2004502592A/en
Priority to EP01950998A priority patent/EP1299269B1/en
Publication of WO2002004256A2 publication Critical patent/WO2002004256A2/en
Publication of WO2002004256A3 publication Critical patent/WO2002004256A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/01516—Passenger detection systems using force or pressure sensing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18088—Rack and pinion type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/1967—Rack and pinion

Abstract

A vehicle occupant classification system categorizes vehicle occupants into various classes such as adults, child, infant, etc. to provide variable control for a vehicle restraint system such as an airbag. The classification system utilizes sensors that are installed in various locations in the vehicle. The sensors are used to generate a three-dimensional profile for the vehicle occupant. Various factors can affect the accuracy of this three-dimensional profile. Fuzzy logic is used to reduce some of the inaccuracies by providing multiple decision levels for various stages of the classification. Inaccuracies are also caused by sensors shifting within the system from their original position. This condition creates offset and the system evaluates this offset and generates a correction factor for provide a more accurate three-dimensional profile. Electrically erasable programmable read-only memory is used to reduce complications and inaccuracies associated with seat occupant weight sensors that have mounting configurations that vary depending upon the vehicle.
PCT/US2001/021649 2000-07-12 2001-07-10 Vehicle occupant weight classification system WO2002004256A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60103060T DE60103060T2 (en) 2000-07-12 2001-07-10 Vehicle weight licensing system
JP2002508939A JP2004502592A (en) 2000-07-12 2001-07-10 Vehicle occupant weight classification system
EP01950998A EP1299269B1 (en) 2000-07-12 2001-07-10 Vehicle occupant weight classification system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US21758200P 2000-07-12 2000-07-12
US21757900P 2000-07-12 2000-07-12
US21758000P 2000-07-12 2000-07-12
US60/217,580 2000-07-12
US60/217,582 2000-07-12
US60/217,579 2000-07-12

Publications (2)

Publication Number Publication Date
WO2002004256A2 WO2002004256A2 (en) 2002-01-17
WO2002004256A3 true WO2002004256A3 (en) 2002-06-06

Family

ID=27396433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/021649 WO2002004256A2 (en) 2000-07-12 2001-07-10 Vehicle occupant weight classification system

Country Status (5)

Country Link
US (6) US6578870B2 (en)
EP (1) EP1299269B1 (en)
JP (1) JP2004502592A (en)
DE (1) DE60103060T2 (en)
WO (1) WO2002004256A2 (en)

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Also Published As

Publication number Publication date
US7464960B2 (en) 2008-12-16
US20080281493A1 (en) 2008-11-13
US20030093249A1 (en) 2003-05-15
US20040232674A1 (en) 2004-11-25
US6578870B2 (en) 2003-06-17
EP1299269A2 (en) 2003-04-09
US20030085556A1 (en) 2003-05-08
WO2002004256A2 (en) 2002-01-17
US20020011722A1 (en) 2002-01-31
DE60103060D1 (en) 2004-06-03
US6685222B2 (en) 2004-02-03
US8016319B2 (en) 2011-09-13
US6823959B2 (en) 2004-11-30
JP2004502592A (en) 2004-01-29
US6845339B2 (en) 2005-01-18
EP1299269B1 (en) 2004-04-28
US20030085557A1 (en) 2003-05-08
DE60103060T2 (en) 2005-04-28

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