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    • 2. 发明授权
    • Method and apparatus for detecting and signaling racetrack operation of a motor vehicle
    • 用于检测和指示机动车辆的跑道操作的方法和装置
    • US06408229B1
    • 2002-06-18
    • US09669436
    • 2000-09-25
    • Steven Paul LoudonMichael Douglas RizzoKevin J ZelenkaTodd David Brown
    • Steven Paul LoudonMichael Douglas RizzoKevin J ZelenkaTodd David Brown
    • A63B7100
    • B60G17/018B60G2400/104B60G2400/204
    • A motor vehicle mounted system is responsive to sensed or estimated vehicle lateral acceleration and vehicle speed for detecting and signaling when the vehicle is operating on a racetrack. The system determines whether the vehicle is in a high lateral acceleration state or a low lateral acceleration state and when the vehicle is maintaining a minimum speed. The system increments a count when the vehicle is in the high lateral acceleration state if the vehicle has maintained the minimum speed for a first time since the last increment or decrement of the count and decrements the count when the vehicle is in the low lateral acceleration state if the vehicle has maintained the minimum speed for a second time since the last increment or decrement of the count. The system detects and signals operation on a racetrack while the count exceeds a predetermined threshold count and otherwise detects and signals no operation on a racetrack. Racetrack driving is thus detected through repeated episodes of high lateral acceleration during high speed turns on racetrack curves and corners.
    • 机动车辆系统响应于感测或估计的车辆横向加速度和车辆速度,用于当车辆在赛道上操作时检测和发信号。 该系统确定车辆是处于高横向加速状态还是低侧向加速状态,以及当车辆是否保持最小速度时。 当车辆处于高横向加速状态时,如果车辆自计数的最后一次增加或减少以来第一次保持最小速度并且当车辆处于低横向加速状态时减小计数,则系统增加计数 如果车辆自计数的最后一次增加或递减以来第二次保持最小速度。 该系统在计数超过预定的阈值计数时检测和信号在跑道上的操作,否则检测并且在跑道上不起作用。 因此,在高速打开赛道曲线和拐角时,通过反复发生的高横向加速度来检测跑道行驶。