CA2106603A1 - Crash/Non-Crash Discrimination Using Frequency Components of Acceleration Uniquely Generated Upon Crash Impact - Google Patents

Crash/Non-Crash Discrimination Using Frequency Components of Acceleration Uniquely Generated Upon Crash Impact

Info

Publication number
CA2106603A1
CA2106603A1 CA2106603A CA2106603A CA2106603A1 CA 2106603 A1 CA2106603 A1 CA 2106603A1 CA 2106603 A CA2106603 A CA 2106603A CA 2106603 A CA2106603 A CA 2106603A CA 2106603 A1 CA2106603 A1 CA 2106603A1
Authority
CA
Canada
Prior art keywords
crash
threshold
signal
impact energy
term
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2106603A
Other languages
French (fr)
Other versions
CA2106603C (en
Inventor
Masahiro Miyamori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Elesys Corp
Original Assignee
Masahiro Miyamori
Nec Corporation
Honda Elesys Co., Ltd.
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
Priority claimed from JP04250914A external-priority patent/JP3118980B2/en
Priority claimed from JP5114780A external-priority patent/JP3055361B2/en
Application filed by Masahiro Miyamori, Nec Corporation, Honda Elesys Co., Ltd. filed Critical Masahiro Miyamori
Publication of CA2106603A1 publication Critical patent/CA2106603A1/en
Application granted granted Critical
Publication of CA2106603C publication Critical patent/CA2106603C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B60R21/013—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 collisions, impending collisions or roll-over
    • B60R21/0132—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • B60R21/01332—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by frequency or waveform analysis
    • B60R21/01336—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by frequency or waveform analysis using filtering
    • 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
    • B60R21/013—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 collisions, impending collisions or roll-over
    • B60R21/0132—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • 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
    • B60R21/013—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 collisions, impending collisions or roll-over
    • B60R21/0132—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • B60R21/0133—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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by integrating the amplitude of the input signal

Abstract

In a crash detection apparatus, the output signal of an accelerometer is integrated at intervals and a velocity signal is produced.
Those frequency components of the accelerometer output which appear uniquely during a vehicle crash are extracted and their amplitude is squared to produce an impact energy signal. An airbag is operated when the velocity signal exceeds a first threshold, or when a sum of the velocity and impact energy signals exceeds a second threshold, or operated when the impact energy signal exceeds a third threshold. In a modified embodiment, the accelerometer output is integrated both at longer and shorter intervals to produce a long-term and a short-term velocity signal. The airbag is operated when the long-term velocity signal exceeds a first threshold, or when the short-term velocity signal and the impact energy signal simultaneously exceed a second and a third threshold, respectively.
CA002106603A 1992-09-21 1993-09-21 Crash/non-crash discrimination using frequency components of acceleration uniquely generated upon crash impact Expired - Lifetime CA2106603C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4-250914 1992-09-21
JP04250914A JP3118980B2 (en) 1992-09-21 1992-09-21 Vehicle collision determination device
JP31534892 1992-11-25
JP4-315348 1992-11-25
JP5114780A JP3055361B2 (en) 1992-11-25 1993-05-17 Vehicle collision determination method and collision determination device
JP5-114780 1993-05-17

Publications (2)

Publication Number Publication Date
CA2106603A1 true CA2106603A1 (en) 1994-03-22
CA2106603C CA2106603C (en) 1997-09-16

Family

ID=27312822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002106603A Expired - Lifetime CA2106603C (en) 1992-09-21 1993-09-21 Crash/non-crash discrimination using frequency components of acceleration uniquely generated upon crash impact

Country Status (4)

Country Link
US (1) US5436838A (en)
EP (1) EP0590476B1 (en)
CA (1) CA2106603C (en)
DE (1) DE69315653T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106170419A (en) * 2014-04-16 2016-11-30 罗伯特·博世有限公司 For turning off the method and device of at least one final ignition stage of the lighter of the protection device using pyrotechnic of vehicle

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6910711B1 (en) * 1992-05-05 2005-06-28 Automotive Technologies International, Inc. Method for controlling deployment of an occupant protection device
US6199874B1 (en) 1993-05-26 2001-03-13 Cornell Research Foundation Inc. Microelectromechanical accelerometer for automotive applications
US6149190A (en) * 1993-05-26 2000-11-21 Kionix, Inc. Micromechanical accelerometer for automotive applications
US5835298A (en) * 1996-08-16 1998-11-10 Telxon Corporation Hard drive protection system and method
US5498028A (en) * 1994-01-04 1996-03-12 Trw Inc. Method and apparatus for controlling an actuatable restraining device
JP2889119B2 (en) * 1994-06-20 1999-05-10 三菱自動車工業株式会社 Starting device for occupant protection device
JP3329080B2 (en) * 1994-07-29 2002-09-30 日本電気株式会社 Vehicle collision determination method and collision determination device
US5559699A (en) * 1994-08-26 1996-09-24 Automotive Systems Laboratory, Inc. Matched filter for vehicle crash discrimination
US5508920A (en) * 1994-10-25 1996-04-16 Automotive Systems Laboratory, Inc. Crash discriminator responsive to early-crush and multiple-hit scenarios
KR100202941B1 (en) * 1994-10-31 1999-06-15 배길훈 Car collision type judging device taking advantage of three-direction speed reduction signal
US8280682B2 (en) 2000-12-15 2012-10-02 Tvipr, Llc Device for monitoring movement of shipped goods
US7386401B2 (en) 1994-11-21 2008-06-10 Phatrat Technology, Llc Helmet that reports impact information, and associated methods
US6266623B1 (en) * 1994-11-21 2001-07-24 Phatrat Technology, Inc. Sport monitoring apparatus for determining loft time, speed, power absorbed and other factors such as height
US5668740A (en) * 1994-12-20 1997-09-16 General Motors Corporation Method for detecting a rough road surface
DE4445996C2 (en) * 1994-12-22 2002-10-24 Bosch Gmbh Robert Restraint release procedures
DE19520608A1 (en) 1995-06-06 1996-12-12 Siemens Ag Control arrangement for triggering a restraint in a vehicle in the event of a side impact
GB2310303B (en) * 1996-02-13 1999-07-28 Autoliv Dev Improvements in or relating to a crash detector arrangement
US5801619A (en) * 1996-03-04 1998-09-01 Delco Electronics Corp. Analog signal processing system and decision logic for controlling airbag deployment
US6175299B1 (en) * 1996-03-04 2001-01-16 Delco Electronics Corporation Analog signal processing system for determining airbag deployment
DE19647920C1 (en) * 1996-11-20 1998-03-05 Bosch Gmbh Robert Crash signal generation method for vehicle testing
US5906393A (en) * 1997-09-16 1999-05-25 Trw Inc. Occupant restraint system and control method with variable sense, sample, and determination rates
US6192849B1 (en) 1999-06-18 2001-02-27 Siemens Canada Limited Manifold housing system
US6173224B1 (en) 1998-07-17 2001-01-09 Ford Global Technologies, Inc. Occupant-restraint deployment method and system for automotive vehicle
US6129282A (en) * 1998-07-20 2000-10-10 Psc Scanning, Inc. Rugged scanning subsystem for data reading
US6076028A (en) 1998-09-29 2000-06-13 Veridian Engineering, Inc. Method and apparatus for automatic vehicle event detection, characterization and reporting
US6272412B1 (en) 1998-11-09 2001-08-07 Ford Global Technologies, Inc. Passive restraint control system for vehicles
CA2254535C (en) 1998-11-26 2003-10-28 Canpolar East Inc. Sensor for detection of acceleration and attitude within a vehicle
CA2254538C (en) 1998-11-26 2006-02-07 Canpolar East Inc. Collision deformation sensor for use in the crush zone of a vehicle
WO2000035716A1 (en) * 1998-12-15 2000-06-22 Siemens Automotive Corporation Air bag actuation event discrimination system
US6729646B1 (en) * 1999-02-25 2004-05-04 Siemens Vdo Automotive Corporation Method and system for controlling a vehicle occupant safety system based on crash severity
DE19917710A1 (en) * 1999-04-20 2000-10-26 Bosch Gmbh Robert Procedure for formation of a triggering level for a vehicle restraining mechanism such as an airbag has a low pass filter through which the acceleration signal is passed so that the filtered signal can be compared with a threshold
US6516259B2 (en) 2000-04-03 2003-02-04 Siemens Vdo Automotive Corporation Safing method for a vehicle occupant protection safety system
DE10025259C2 (en) * 2000-05-22 2003-03-20 Conti Temic Microelectronic Method for generating a triggering algorithm for detecting a rollover for a security system in a motor vehicle
US6563761B1 (en) 2000-11-02 2003-05-13 Trw Inc. Apparatus and method of vehicle occupant sensing using multiple ultrasonic frequencies
DE10059104C5 (en) * 2000-11-28 2008-09-25 Continental Automotive Gmbh Occupant protection device and method for triggering decision
DE10160883B4 (en) * 2001-12-12 2014-02-13 Volkswagen Ag Method and device for detecting the severity of a vehicle
JP4168944B2 (en) * 2004-01-28 2008-10-22 株式会社デンソー Occupant protection system and determination device
JP4569114B2 (en) * 2004-01-28 2010-10-27 株式会社デンソー Occupant protection system and determination device
US20050222801A1 (en) * 2004-04-06 2005-10-06 Thomas Wulff System and method for monitoring a mobile computing product/arrangement
US7477974B2 (en) * 2004-07-27 2009-01-13 Robert Bosch Gmbh Vehicle restraint device control method and apparatus using dynamically determined threshold
US8186711B2 (en) * 2004-08-17 2012-05-29 Robert Bosch Gmbh Separation of abuse conditions and crash events to control occupant restraint devices
US7822513B2 (en) * 2005-07-27 2010-10-26 Symbol Technologies, Inc. System and method for monitoring a mobile computing product/arrangement
US7911339B2 (en) * 2005-10-18 2011-03-22 Apple Inc. Shoe wear-out sensor, body-bar sensing system, unitless activity assessment and associated methods
US9137309B2 (en) 2006-05-22 2015-09-15 Apple Inc. Calibration techniques for activity sensing devices
US20070271116A1 (en) 2006-05-22 2007-11-22 Apple Computer, Inc. Integrated media jukebox and physiologic data handling application
US7643895B2 (en) 2006-05-22 2010-01-05 Apple Inc. Portable media device with workout support
US8073984B2 (en) 2006-05-22 2011-12-06 Apple Inc. Communication protocol for use with portable electronic devices
US20070297028A1 (en) * 2006-06-21 2007-12-27 Thomas Wulff System and device for monitoring a computing device
US8594742B2 (en) * 2006-06-21 2013-11-26 Symbol Technologies, Inc. System and method for monitoring a mobile device
DE102006038842B4 (en) 2006-08-18 2019-06-13 Robert Bosch Gmbh Method and device for controlling personal protective equipment
US7913297B2 (en) 2006-08-30 2011-03-22 Apple Inc. Pairing of wireless devices using a wired medium
US7813715B2 (en) 2006-08-30 2010-10-12 Apple Inc. Automated pairing of wireless accessories with host devices
WO2008058307A1 (en) * 2006-11-15 2008-05-22 Radio Terminal Systems Pty Ltd Vehicle movement processing system
US7698101B2 (en) 2007-03-07 2010-04-13 Apple Inc. Smart garment
DE102007029582A1 (en) * 2007-06-26 2009-01-08 GM Global Technology Operations, Inc., Detroit Motor vehicle roof
DE102008003339A1 (en) * 2008-01-07 2009-07-09 Robert Bosch Gmbh Method and control device for controlling personal protective equipment for a vehicle
JP5329194B2 (en) 2008-12-09 2013-10-30 タカタ株式会社 Collision determination system, occupant restraint system, vehicle
KR101081070B1 (en) * 2009-10-07 2011-11-07 한국과학기술원 Impact signal processor for the front impact acceleration sensor
US8751113B2 (en) 2010-05-12 2014-06-10 Trw Automotive U.S. Llc Method and apparatus for detecting pedestrian vehicle impact
US20130079973A1 (en) * 2011-09-24 2013-03-28 Taif University System for Communicating A Vehicle Position and Speed During Accident
CN104470763B (en) 2012-05-22 2017-02-22 Trw汽车美国有限责任公司 Hybrid method and apparatus for detecting a vehicle/pedestrian impact
GB201307980D0 (en) 2013-05-02 2013-06-12 Redtail Telematics Ltd Method, apparatus and computer program for detecting collision
JP6042308B2 (en) 2013-10-29 2016-12-14 本田技研工業株式会社 Vehicle collision determination device
US9787407B1 (en) * 2016-03-16 2017-10-10 Google Inc. Fading mitigation of the turbulent channel based on polarization diversity in coherent optical receivers
US11117781B2 (en) * 2018-05-02 2021-09-14 Otis Elevator Company Vertical bounce detection and mitigation

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924507A1 (en) * 1989-02-18 1990-08-23 Bosch Gmbh Robert METHOD FOR RELEASING RETENTION AGENTS
JPH04500189A (en) * 1989-03-20 1992-01-16 シーメンス　アクチエンゲゼルシャフト Control device for vehicle occupant restraint and/or occupant protection device
JPH02270656A (en) * 1989-04-12 1990-11-05 Zexel Corp Controller of safety device for vehicle
US5216607A (en) * 1989-05-30 1993-06-01 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a vehicle crash using energy and velocity as measures of crash violence
JPH03114944A (en) * 1989-09-28 1991-05-16 Nissan Motor Co Ltd Air bag control device
US5109341A (en) * 1989-11-03 1992-04-28 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a vehicle crash in the frequency domain
US5073860A (en) * 1989-11-07 1991-12-17 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a vehicle crash in real time using frequency domain analysis
JP2543839B2 (en) * 1990-01-29 1996-10-16 センサー・テクノロジー株式会社 Collision sensor
JP2905240B2 (en) * 1990-02-07 1999-06-14 アスコ株式会社 Control system for vehicle safety equipment
US5065322A (en) * 1990-04-04 1991-11-12 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a vehicle crash in real time using a frequency domain summation algorithm
US5036467A (en) * 1990-04-04 1991-07-30 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a vehicle crash in real time using a frequency domain integration and summation algorithm
DE4117811A1 (en) * 1991-05-31 1992-12-03 Messerschmitt Boelkow Blohm Motor vehicle impact detection method for activating occupant safety system - measuring acceleration and deceleration, integrating, subtracting previous speed value and comparing with threshold
US5164901A (en) * 1991-12-05 1992-11-17 Trw Vehicle Safety Systems Inc. Method and apparatus for testing a vehicle occupant restraint system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106170419A (en) * 2014-04-16 2016-11-30 罗伯特·博世有限公司 For turning off the method and device of at least one final ignition stage of the lighter of the protection device using pyrotechnic of vehicle
CN106170419B (en) * 2014-04-16 2019-04-12 罗伯特·博世有限公司 For turning off the method and device of at least one final ignition stage of the igniter of the protective device using pyrotechnic of vehicle

Also Published As

Publication number Publication date
EP0590476A2 (en) 1994-04-06
DE69315653D1 (en) 1998-01-22
EP0590476A3 (en) 1994-09-07
CA2106603C (en) 1997-09-16
EP0590476B1 (en) 1997-12-10
DE69315653T2 (en) 1998-04-02
US5436838A (en) 1995-07-25

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