[특허]Crash pulse energy algorithm for an inflatable restraint system

Crash pulse energy algorithm for an inflatable restraint system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60R-022/00
출원번호	UP-0396649 (2003-03-25)
등록번호	US-7539568 (2009-07-01)
발명자 / 주소	Andres, Robert M.
출원인 / 주소	Continental Automotive Systems US, Inc
인용정보	피인용 횟수 : 0 인용 특허 : 27

초록 ▼

An air bag system (12) includes a controller (14), a remote satellite sensor (16), and a deployable air bag (18). Controller logic for deployment discrimination of an impact event sensitizes an airbag deployment command in response to signals from the satellite sensor. The logic determines a crash-

대표청구항 ▼

What is claimed is: 1. A method of sensitizing an air bag deployment threshold comprising the steps of: (1) measuring a first acceleration; (2) measuring a second acceleration in a direction generally opposite the first acceleration; (3) measuring a third acceleration; (4) determining if the first acceleration exceeds a predetermined acceleration; (5) comparing the third acceleration to a reference value, the reference value having a magnitude origin biased in the direction of, and defined in part as a percentage of the second acceleration; and (6) increasing a crash-pulse energy term in response to the third acceleration increasing above the predetermined acceleration relative to the magnitude origin of said step (5). 2. A method as recited in claim 1, further comprising the step of: initiating a predetermined time period in response to said step (4) when a peak of the first acceleration is determined. 3. A method as recited in claim 1, further comprising the step of: setting the magnitude origin of the reference value to the greater of: 100 percent of the first acceleration; or a percentage of the first acceleration if the first acceleration is in an anti-crash direction. 4. A method as recited in claim 1, further comprising the step of: (7) initiating an increase in the crash-pulse energy term in response to the third acceleration increasing above the second acceleration. 5. A method as recited in claim 1, further comprising the step of: (7) terminating the increase in the crash-pulse energy term in response to detecting a peak of the third acceleration. 6. A method as recited in claim 1, further comprising the step of: identifying the crash-pulse energy term reaching a predetermined value; and deploying an air bag in response to the crash-pulse energy term reaching the predetermined value. 7. A method as recited in claim 1, further comprising the step of: increasing a sensitivity of an airbag deploy command in response to an increase in the crash-pulse energy term. 8. A method as recited in claim 1, further comprising the step of: increasing the likelihood of an airbag deploy command in response to an increase in the crash-pulse energy term. 9. A method as recited in claim 1, wherein the first, second and third acceleration are in a lateral vehicle direction. 10. A method as recited in claim 1, further comprising the step of: setting the magnitude origin of the reference value to 100 percent of the first acceleration. 11. A method of sensitizing an air bag deployment threshold comprising the steps of: (1) measuring a first acceleration; (2) determining whether the first acceleration exceeds a predetermined acceleration; (3) measuring a second acceleration, the second acceleration in a direction generally opposite the first acceleration; (4) measuring a third acceleration, the third acceleration in a direction generally the same as the first acceleration; (5) comparing the third acceleration to a reference value, the reference value having a magnitude origin biased in the direction of, and defined in part as a percentage of the second acceleration; and (6) increasing a crash-pulse energy term in response to the third acceleration increasing above the predetermined acceleration relative to the magnitude origin of said step (5). 12. A method as recited in claim 11, further comprising the step of: increasing the crash-pulse energy term only in response to said step (6) occurring within a predetermined time period. 13. A method as recited in claim 11, further comprising the step of: increasing the likelihood of a side airbag deploy command in response to an increase in the crash-pulse energy term. 14. A method as recited in claim 11, further comprising the step of: setting the magnitude origin of the reference value to the greater of: 100 percent of the first acceleration; or a percentage of the first acceleration if the first acceleration is in an anti-crash direction. 15. A method as recited in claim 11, further comprising the step of: terminating the increase in the crash-pulse energy term in response to identifying a peak in the third acceleration. 16. A method as recited in claim 15, further comprising the step of: initiating a time period in response to identifying a peak in the third first acceleration. 17. A method as recited in claim 11, further comprising the step of: increasing the likelihood of an airbag deploy command in response to an increase in the crash-pulse energy term.

이 특허에 인용된 특허 (27)

Yukiyasu Ueno JP; Mitsuhiko Masegi JP, Activating device for vehicle passenger protection system.
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James Lloyd Webber ; Robert Lee Jones, Adaptive inflation mechanism.
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Hawthorn Laura A. (Vandalia OH), Air bag deployment bias apparatus.
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Spies Hans (Pfaffenhofen DEX) Woehrl Alfons (Schrobenhausen DEX) Hora Peter (Schrobenhausen DEX) Fendt Guenther (Schrobenhausen DEX), Apparatus for triggering a passive safety device for protecting passengers in a vehicle.
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Zabler Erich,DEX ; Dukart Anton,DEX, Arrangement for the contactless transmission of an air-bag release signal.
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Luo Kuang-Tso,TWX ; Chen Ren Her,TWX ; Chen Ray Jung,TWX ; You Life,TWX ; Dong Chang,TWX, Control unit for an occupant restraint system using adaptive triggering threshold.
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Aki Ugusa JP; Toshiyuki Yamashita JP, Crash detection apparatus of vehicle responsive to asymmetric collision.
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Manlove, Gregory J.; Boger, Lee C., Error detection circuit for an airbag deployment control system.
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Donnelly Bruce R. ; Schabel David G., Method and apparatus for automatic vehicle event detection, characterization and reporting.
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Jayaraman Sundaresan ; Rajamanickam Rangaswamy ; Gopalsamy Chandramohan ; Park Sungmee, Method and apparatus for controlling air bag deployment.
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Blackburn Brian K. (Rochester MI) Gentry Scott B. (Romeo MI) Mazur Joseph F. (Washington MI) Hossain Naushad (Los Angeles CA) McCuskey James G. (Lakewood CA), Method and apparatus for controlling an air bag restraint system.
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Feser, Michael; Frimberger, Manfred, Method for controlling an occupant protection device in a vehicle, and a control device therefor.
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Gioutsos Tony (Brighton MI) Piskie Michael A. (Bloomfield Hills MI), Method for discriminating long-period, low-velocity crashes.
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Reichelt Werner (Esslingen DEX) Frank Peter (Stuttgart DEX), Method of determining a set value of the assisting force in a power steering system.
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Galvin Gregory J. ; Davis Timothy J. ; MacDonald Noel C., Microelectromechanical accelerometer for automotive applications.
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Galvin Gregory J. ; Davis Timothy J. ; MacDonald Noel C., Micromechanical accelerometer for automotive applications.
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Tadashi Horikoshi JP; Yoichi Hashimoto JP; Yoshihiro Akiba JP, Occupant protection apparatus.
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Wessels Gerhard F.,DEX ; Dalum Joseph Thomas, Restraint deployment control method having an adaptable deployment threshold.
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Aga, Masami; Sekizuka, Makoto; Ishimoto, Shuichi; Iyoda, Motomi; Nagao, Tomoki, Rollover determining apparatus and methods.
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Williams, Kyle W.; Stuetzler, Frank-Juergen, Rollover-sensing system for a vehicle and method of operating the same.
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Cashler Robert J. (Kokomo IN) Kelley Jon P. (Kokomo IN), SIR deployment method based on occupant displacement and crash severity.
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Wu Frank, Seat mounted side air bag with deployment force concentrator.
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Nakamura Junichi,JPX ; Ookochi Tsutomu,JPX ; Nagayama Noritaka,JPX ; Shimoda Mikiharu,JPX ; Yoshioka Akira,JPX, Side impact air bag system.
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Gioutsos Tony (Brighton MI) Allen Jace L. (Farmington Hills MI), Slant transform/signal space crash discriminator.
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Dao Ricardo E., Vehicle information and control system.
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Watson, W. Todd; Riggs, Alan J., Vehicle rollover detection system.
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Wang, Jenne-Tai, Vehicle sensing system using biased severity measure.
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Crash pulse energy algorithm for an inflatable restraint system 원문보기

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