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    • 6. 发明授权
    • Signal processing system for vehicular acceleration sensor
    • 车载加速度传感器信号处理系统
    • US4843555A
    • 1989-06-27
    • US97399
    • 1987-09-16
    • Toshihiro HattoriMasaki IshiharaHitoshi KasaiYasuyoshi Asagi
    • Toshihiro HattoriMasaki IshiharaHitoshi KasaiYasuyoshi Asagi
    • B60K26/04F02D11/10
    • B60K26/04F02D11/106F02D2250/16
    • Herein disclosed is a signal processing system for a motor vehicle with high responsiveness to the will of a driver. The output voltage of an acceleration sensor using a potentiometer is converted into a digital value by an analog-digital converter. The nonlinearity of the output voltage is corrected by polynominally calculating the digital value. This digital value is controlled by a central processing unit which processes the digital value to generate an acceleration signal having a linear relationship to the changes in the resistance of the potentiometer during actuation of an accelerator. The central processing unit further includes a memory for storing the acceleration signal at an idling position to determine a calibrated acceleration signal using a ratio of an actual acceleration signal obtained from the accelerator pedal to the stored value thereof.
    • 这里公开了一种用于机动车辆的信号处理系统,其对驾驶员的意愿具有高响应性。 使用电位计的加速度传感器的输出电压由模拟数字转换器转换为数字值。 通过多项式计算数字值来校正输出电压的非线性。 该数字值由中央处理单元控制,中央处理单元处理数字值以产生与加速器致动期间电位器的电阻变化呈线性关系的加速度信号。 中央处理单元还包括存储器,用于在怠速位置存储加速度信号,以使用从加速器踏板获得的实际加速度信号与其存储值的比率来确定校准加速度信号。
    • 10. 发明授权
    • Revolution signal processing system for vehicular electronic controller
    • 车载电子控制器革命信号处理系统
    • US4685051A
    • 1987-08-04
    • US686523
    • 1984-12-26
    • Toshihiro HattoriKatsuya ShishidoHitoshi KasaiShigeki MorideNoriaki Ogawa
    • Toshihiro HattoriKatsuya ShishidoHitoshi KasaiShigeki MorideNoriaki Ogawa
    • F16H59/36F16H59/44F16H61/12B60K41/08
    • F16H61/12F16H59/36F16H2061/1208F16H2061/122F16H2061/1284F16H59/44Y10T477/688
    • Herein disclosed is a revolution signal processing system for an electronic controller to ensure safe operation of a vehicle having an automatic transmission. The system includes: an input shaft revolution sensor for outputting an input shaft r.p.m. signal; a vehicle speed sensor for outputting a vehicle speed signal; signal processors for determining the r.p.m.'s of the two sensors in response to the two output signals of the same; a gear position sensor for outputting a gear position signal; a gear position detector for detecting the gear position of the automatic transmission; and a self-testing backup. When the gear position detector detects that the transmission is in a gear position other than the neutral position, and if one of the output signals of the two sensors exhibits an r.p.m. equal to or higher than a predetermined value, whereas the other of the same exhibits an abnormally lower value or an r.p.m. lower than the predetermined value, then the self-testing back up determines that the sensor having the output signal exhibiting the abnormally low value is malfunctioning. Thus, the revolution signal processing system self-tests and backs up the vehicle speed sensor and the input shaft revolution sensor.
    • 这里公开了一种用于电子控制器的旋转信号处理系统,以确保具有自动变速器的车辆的安全操作。 该系统包括:输入轴转速传感器,用于输出输入轴r.p.m。 信号; 用于输出车速信号的车速传感器; 信号处理器,用于响应于两个传感器的两个输出信号来确定两个传感器的r.p.m.; 用于输出档位信号的档位传感器; 用于检测自动变速器的档位的档位检测器; 和自检备份。 当齿轮位置检测器检测到变速器处于除中立位置之外的档位时,并且如果两个传感器的输出信号之一呈现r.p.m。 等于或高于预定值,而另一个表现出异常较低的值或r.p.m。 低于预定值,则自检备份确定具有异常低值的输出信号的传感器发生故障。 因此,转速信号处理系统对车速传感器和输入轴转速传感器进行自检和备份。