Satellite crash sensor and method with constant and dynamic thresholds for multi-stage restraint deployment
    1.
    发明授权
    Satellite crash sensor and method with constant and dynamic thresholds for multi-stage restraint deployment 有权
    卫星碰撞传感器和具有恒定和动态阈值的方法,用于多级约束部署

    公开(公告)号:US06363308B1

    公开(公告)日:2002-03-26

    申请号:US09688750

    申请日:2000-10-16

    IPC分类号: B60R2200

    摘要: A satellite crash sensor for a motor vehicle occupant restraint system that provides multi-stage deploy signaling in a manner that detects a second stage deploy crash event having an initial velocity rise followed by a loss of velocity that delays the continuation of the velocity rise. The sensor derives a velocity value from an accelerometer signal. The initiation of a possible crash event is detected and a clock count indicating a time progression into the event is initiated. A constant second stage threshold value and data defining a first stage threshold varying as function of the clock count are stored. Only for a time indicated by a first predetermined value of the clock count, a second stage datum is stored if the velocity exceeds the second stage threshold value. For a longer time determined by a second predetermined clock count, the velocity value is compared with a clock count determined value of the first stage threshold and alternatively (1) a second stage deploy signal is generated if the velocity value exceeds the value of the first stage threshold and the second stage datum is stored, (2) a first stage deploy signal is generated if the velocity value exceeds the value of the first stage threshold and the second stage datum is not stored, and (3) no deploy signal is generated if the velocity value does not exceed the first stage threshold. For at least a portion of the predetermined clock count, the clock determined value of the first threshold exceeds the second threshold value.

    摘要翻译: 一种用于机动车辆乘员约束系统的卫星碰撞传感器,其以检测具有初始速度上升,随后延迟速度上升的延续的速度损失的第二阶段部署碰撞事件的方式提供多级部署信令。 传感器从加速度计信号中导出速度值。 检测到可能的碰撞事件的发起,并且启动指示进入事件的时间进度的时钟计数。 存储恒定的第二级阈值和定义作为时钟计数的函数变化的第一级阈值的数据。 只有在由时钟计数的第一预定值指示的时间内,如果速度超过第二级阈值,则存储第二级数据。 对于由第二预定时钟计数确定的更长时间,将速度值与第一级阈值的时钟计数确定值进行比较,并且可选地(1)如果速度值超过第一级阈值的值,则产生第二级展开信号 存储阶段阈值和第二阶段数据,(2)如果速度值超过第一阶段阈值并且没有存储第二阶段数据,则产生第一阶段部署信号,并且(3)不产生部署信号 如果速度值不超过第一级阈值。 对于预定时钟计数的至少一部分,第一阈值的时钟确定值超过第二阈值。

    Vehicle satellite sensor for frontal or side occupant restraint deployment
    2.
    发明授权
    Vehicle satellite sensor for frontal or side occupant restraint deployment 有权
    车载卫星传感器用于正面或侧面乘员约束部署

    公开(公告)号:US06453224B1

    公开(公告)日:2002-09-17

    申请号:US09690104

    申请日:2000-10-16

    IPC分类号: B60R2132

    摘要: A vehicle satellite crash sensor includes a microcomputer with a stored datum indicating intended use in a frontal application such as the front crush space or a side application such as a vehicle side door. The microcomputer also stores a program that processes a sensed acceleration signal, derives an oscillation value and derives an occupant restraint deployment signal at least in response to the oscillation value. The program includes stored code for two alternative oscillation derivation algorithms: one of which is used in frontal applications and derives an integral of the absolute value of the sensed acceleration signal; the other of which is used in side applications and derives an integral of the sensed acceleration. The stored datum determines which of the stored oscillation algorithms is used.

    摘要翻译: 车辆卫星碰撞传感器包括微型计算机,其具有指示在正面应用中的预期用途的存储数据,例如前部压碎空间或诸如车辆侧门的侧面应用。 微型计算机还存储处理检测到的加速度信号的程序,导出振荡值,并且至少响应于振荡值而导出乘员约束部署信号。 该程序包括用于两种替代振荡导出算法的存储代码:其中一个用于正面应用并导出感测加速度信号的绝对值的积分; 另一个用于侧面应用,并导出感测加速度的积分。 存储的数据确定使用哪个存储的振荡算法。

    Crush space crash sensor for motor vehicle occupant restraint deployment control
    3.
    发明授权
    Crush space crash sensor for motor vehicle occupant restraint deployment control 有权
    粉碎空间碰撞传感器用于机动车辆乘员约束部署控制

    公开(公告)号:US06548914B1

    公开(公告)日:2003-04-15

    申请号:US09688586

    申请日:2000-10-16

    IPC分类号: B60R2200

    摘要: A satellite crash sensor for use in a noisy area such as a crush zone has a crash dependent clock that uses an accumulated velocity signal derived from the acceleration signal, rather than the acceleration signal itself, to determine initiation and counting of the clock count. Successive velocity values are accumulated in an accumulated velocity value that is limited between zero and a maximum limit value. The clock count is incremented away from an initial zero value when the accumulated velocity value is greater than zero and back toward the zero value when the accumulated velocity value is equal to zero. The clock count is used as a measure of time from initiation of a possible crash event in the generation of a restraint deploy indicating signal in the satellite crash sensor.

    摘要翻译: 在诸如挤压区域的噪声区域中使用的卫星碰撞传感器具有碰撞相关时钟,其使用从加速度信号而不是加速度信号本身导出的累积速度信号来确定时钟计数的启动和计数。 连续速度值被累积在零和最大极限值之间的累加速度值中。 当累积速度值大于零时,时钟计数从初始零值增加,当累加速度值等于零时,时钟计数递增到零值。 在卫星碰撞传感器中产生约束部署指示信号时,时钟计数被用作从可能的碰撞事件开始的时间的度量。

    Dual stage occupant restraint deployment control for motor vehicle
    4.
    发明授权
    Dual stage occupant restraint deployment control for motor vehicle 有权
    机动车辆双级乘员约束部署控制

    公开(公告)号:US06553294B1

    公开(公告)日:2003-04-22

    申请号:US09690141

    申请日:2000-10-16

    IPC分类号: G06F700

    CPC分类号: B60R21/0132 B60R21/0133

    摘要: A dual stage occupant restraint deployment control provides a signal for first stage restraint deployment if, during a sensed possible crash event, a velocity value derived from a sensed acceleration and one or more immunity measures meet predetermined criteria. A second stage restraint deployment signal is provided if a crash severity measure derived from the time rate of change of the sensed acceleration meets predetermined criteria and the first stage activation signal has been generated. The method and apparatus ensure that the immunity criteria are met for both first and second stage deployment without repeated testing if the crash severity measure is vulnerable to non-crash accelerations produced by “misuse” events and rough road driving. The crash severity measure may be the time rate of change of the acceleration itself, an oscillation value derived this time rate of change of the acceleration with a velocity value requirement in the predetermined criteria, or a veloscillation value derived as a scaled sum of the oscillation value and the velocity value.

    摘要翻译: 如果在感测到的可能的碰撞事件期间从感测到的加速度导出的速度值和一个或多个抗扰度措施满足预定标准,则双阶段乘员约束部署控制提供用于第一阶段约束部署的信号。 如果从所感测到的加速度的时间变化率导出的碰撞严重性度量符合预定标准并且已经产生了第一级激活信号,则提供第二级限制部署信号。 该方法和装置确保如果碰撞严重度测量容易受到“滥用”事件和粗暴道路驾驶所产生的非碰撞加速度的影响,则可以对第一和第二阶段的部署实现免疫标准。 碰撞严重度测量可以是加速度本身的时间变化率,振荡值以预定标准中的速度值要求得出加速度变化速率,或者以振荡的缩放和得出的速度值 值和速度值。

    Vehicle occupant restraint control system using a crash severity model

    公开(公告)号:US06424898B1

    公开(公告)日:2002-07-23

    申请号:US09888065

    申请日:2001-06-22

    IPC分类号: B60R2200

    摘要: A vehicle restraint control system provides sophisticated, adaptable control of occupant restraints through the use of a system level architecture to predict the nature of a crash event at the earliest possible time and an occupant injury model to tailor the restraint deployment in an adaptable way to characteristics of the protected vehicle occupant(s) and the nature of the crash event. The occupant injury model derives the potential for injury in a particular vehicle crash in real time as a function of occupant mass, vehicle interior stiffness and occupant impact velocity with respect to the vehicle interior. Peak vehicle crush zone velocity is used as a predictor of occupant impact velocity with the vehicle interior. Predicted occupant impact velocity is preferably adjusted in response to derived impact angle factor, which is derived from orthogonal lateral and longitudinal accelerometers in the vehicle occupant compartment. Vehicle longitudinal velocity may be integrated to predict occupant displacement, relative to the vehicle, as an additional factor used in the control system.