公开(公告)号：US20030088349A1

公开(公告)日：2003-05-08

申请号：US10005990

申请日：2001-11-08

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： Peter J. Schubert ,  Charles A. Cluff

IPC: G06F017/00

CPC classification number: B60R21/013 ,  B60G2800/9124 ,  B60R2021/0018 ,  B60R2021/01306 ,  B60R2021/01325 ,  B60R2021/01327

Abstract: A vehicle rollover detection apparatus and method are provided for detecting an overturn condition of the vehicle. The rollover detection apparatus includes an angular rate sensor sensing angular rate of the vehicle, and a vertical accelerometer for sensing vertical acceleration of the vehicle. A controller processes the sensed angular rate signal and integrates it to produce an attitude angle. The vertical acceleration signal is processed to determine an inclination angle of the vehicle. The rollover detection apparatus adjusts the attitude angle as a function of the inclination angle and compares the adjusted attitude angle and the processed angular rate signal to a threshold level to provide a vehicle overturn condition output signal. Additionally, the rollover detection apparatus detects a near-rollover event and adjusts the variable threshold in response thereto to prevent deployment of a vehicle overturn condition, thus providing immunity to such events.

Abstract translation: 提供车辆翻转检测装置和方法，用于检测车辆的翻倒状况。 翻转检测装置包括检测车辆的角速度的角速度传感器和用于感测车辆的垂直加速度的垂直加速度计。 控制器处理感测的角速率信号并将其积分以产生姿态角。 处理垂直加速度信号以确定车辆的倾斜角度。 翻转检测装置根据倾斜角度调整姿态角度，并将调整后的姿势角与经处理的角速度信号进行比较，以提供车辆翻转状态输出信号。 此外，翻转检测装置检测近侧翻转事件并响应于此而调整可变阈值以防止车辆翻倒状态的部署，从而提供对这种事件的抵抗。

公开(公告)号：US20020154006A1

公开(公告)日：2002-10-24

申请号：US09840553

申请日：2001-04-23

Applicant: Delphi Technologies, Inc.

Inventor： Morgan D. Murphy ,  Douglas Allen Nunan ,  Charles A. Cluff ,  David R. Little ,  Greston T. McCoy JR. ,  Gary Eugene Oberlin

IPC: B60Q001/00

CPC classification number: B60R21/0136 ,  B60R2021/0004

Abstract: An improved vehicle crash sensing apparatus quickly and reliably characterizes frontal impacts with only minimal data processing requirements. Two or more longitudinally separated piezoelectric strips strategically located in a frontal portion of the vehicle produce impact signals that are analyzed to characterize the type of impact and the structural crush rate. In a simple implementation involving only two piezoelectric strips, a first strip extends laterally along a forward portion of the front bumper, and a second strip extends laterally along a forward portion of the hood panel, above and rearward of the first strip. In cases where an impact signal is developed by only one of the two strips, a high (under-ride) or low (over-ride) impact is indicated. If impact signals are developed by both strips, the intervening time is measured as an indication of the structural crush rate. In a more complex implementation, the bumper and hood strips are divided into two or more individual strip segments so the center and distribution of impact and the impact vector may be quickly and reliably characterized as well.

Abstract translation: 改进的车辆碰撞感测装置快速可靠地表征正面影响，只需要最少的数据处理要求。 策略性地位于车辆前部的两个或更多个纵向分离的压电条产生了被分析以表征冲击类型和结构挤压速率的冲击信号。 在仅涉及两个压电条的简单实施中，第一条沿着前保险杠的前部横向延伸，并且第二条沿着发动机罩板的前部在第一条的上方和后方横向延伸。 在两个条中只有一个冲击信号发生的情况下，指示高（下乘）或低（过骑）冲击。 如果冲击信号是由两条条带开发出来的，那么测量中间时间作为结构挤压速率的指标。 在更复杂的实施中，保险杠和罩带被分成两个或更多个单独的带段，因此冲击的中心和分布以及冲击矢量也可以被快速和可靠地表征。