Dynamic payload monitor
    1.
    发明授权
    Dynamic payload monitor 失效
    动态负载监视器

    公开(公告)号:US5070953A

    公开(公告)日:1991-12-10

    申请号:US569794

    申请日:1990-08-20

    IPC分类号: G01G19/10 G01G19/08

    CPC分类号: G01G19/083 E02F9/264

    摘要: A dynamic payload monitor measures and displays payload weight for a loader vehicle operated on a slope by sensing the hydraulic pressure and position of the lift arm cylinders. The payload weight is computed by curve fitting the sensed cylinder pressure and position data to a second order polynomial, and then performing interpolation or extrapolation with a pair of pressure versus position reference parabolas obtained during calibration. Payload weight is corrected for errors caused by operating the loader vehicle on a slope. The weight computation algorithms used in the dynamic payload monitor are applicable to a number of work vehicles having at least one work implement linkage and at least one hydraulic cylinder for modifying the linkage geometry.

    摘要翻译: 动态负载监视器通过感测提升臂气缸的液压和位置来测量并显示在斜坡上操作的装载机车辆的有效负载重量。 通过将感测到的气缸压力和位置数据曲线拟合为二阶多项式,然后使用在校准期间获得的一对压力对位置参考抛物线进行插值或外插来计算有效载荷重量。 对于在斜坡上操作装载机车辆造成的错误,校正有效载荷重量。 在动态有效载荷监视器中使用的重量计算算法适用于具有至少一个工作装置联动装置的多个作业车辆和用于修改连杆几何形状的至少一个液压缸。

    Method and apparatus for monitoring payload
    2.
    发明授权
    Method and apparatus for monitoring payload 失效
    用于监测载荷的方法和装置

    公开(公告)号:US5082071A

    公开(公告)日:1992-01-21

    申请号:US570081

    申请日:1990-08-20

    CPC分类号: G01G19/415 G01G19/083

    摘要: In many applications, it is important to measure and display payload weight for a loader vehicle. The subject apparatus and method senses only the hydraulic pressure of a lift cylinder. The payload weight is computed by curve fitting the sensed cylinder pressure to a second order time dependent polynomial and comparing the time dependent polynomial to one of a series of predetermined second order geometric polynomials. The weight computation algorithms used in the payload monitor are applicable to a number of work vehicles having at least one work implement linkage and at least one hydraulic cylinder for modifying the linkage geometry.

    摘要翻译: 在许多应用中,重要的是测量和显示装载机车辆的有效负载重量。 主体装置和方法仅检测提升缸的液压。 通过将感测到的气缸压力曲线拟合到二阶时间相关多项式并将时间相关多项式与一系列预定的二阶几何多项式中的一个进行比较来计算净荷重量。 有效载荷监视器中使用的重量计算算法适用于具有至少一个工作装置联动装置的多个作业车辆和用于修改连杆几何形状的至少一个液压缸。

    Dynamic payload monitor
    3.
    发明授权
    Dynamic payload monitor 失效
    动态负载监视器

    公开(公告)号:US5067572A

    公开(公告)日:1991-11-26

    申请号:US569899

    申请日:1990-08-20

    IPC分类号: G01G19/08

    CPC分类号: G01G19/083 E02F9/264

    摘要: A dynamic payload monitor measures and displays payload weight for a loader vehicle during tip loading by sensing the hydraulic pressure of the lift and tilt cylinders and the geometry of an implement linkage. The payload weight is computed by curve fitting the sensed lift cylinder pressure and geometry data to a second order polynomial, and then performing interpolation or extrapolation with a pair of pressure versus position reference parabolas obtained during calibration. Tilt cylinder curves are derived by curve fitting tilt cylinder pressure and lift cylinder geometry data to a third order polynomial. The tilt cylinder curves are then compared to a plurality of tabulated tilt cylinder curves. Tip loading conditions are detected and the computed payload weight is modified in response to the magnitude of the tilt cylinder pressure. The weight computation algorithms used in the dynamic payload monitor are applicable to a number of work vehicles having at least one work implement linkage and at least two hydraulic cylinders for modifying the linkage geometry.

    摘要翻译: 动态有效载荷监测器通过感测提升和倾斜气缸的液压和工具联动装置的几何形状来测量和显示在装载机装载期间的有效载荷重量。 通过将检测到的提升缸压力和几何数据的曲线拟合为二阶多项式来计算有效载荷重量,然后使用在校准期间获得的一对压力对位置参考抛物线进行插值或外推。 倾斜气缸曲线是通过将倾斜气缸压力和提升气缸几何数据曲线拟合为三阶多项式得出的。 然后将倾斜气缸曲线与多个制表的倾斜气缸曲线进行比较。 检测提示装载条件,并且响应于倾斜缸压力的大小来修改所计算的有效负载重量。 在动态有效载荷监视器中使用的重量计算算法适用于具有至少一个工作装置联动装置的多个作业车辆和用于修改连杆几何形状的至少两个液压缸。

    Dynamic payload monitor
    4.
    发明授权
    Dynamic payload monitor 失效
    动态负载监视器

    公开(公告)号:US4919222A

    公开(公告)日:1990-04-24

    申请号:US324517

    申请日:1989-03-15

    IPC分类号: E02F9/26 G01G5/04 G01G19/10

    CPC分类号: G01G19/10 E02F9/264 G01G5/04

    摘要: A dynamic payload monitor measures and displays payload weight for a loader vehicle by sensing the hydraulic pressure and position of the lift arm cylinders. The payload weight is computed by curve fitting the sensed cylinder pressure and position data to a second order polynomial, and then performing interpolation or extrapolation with a pair of pressure versus position reference parabolas obtained during calibration. The weight computation algorithms used in the dynamic payload monitor are applicable to a number of work vehicles having at least one work implement linkage and at least one hydraulic cylinder for modifying the linkage geometry.

    摘要翻译: 动态有效载荷监测器通过感测提升臂气缸的液压和位置来测量和显示装载机车辆的有效载荷重量。 通过将感测到的气缸压力和位置数据曲线拟合为二阶多项式,然后使用在校准期间获得的一对压力对位置参考抛物线进行插值或外插来计算有效载荷重量。 在动态有效载荷监视器中使用的重量计算算法适用于具有至少一个工作装置联动装置的多个作业车辆和用于修改连杆几何形状的至少一个液压缸。

    Drive line vibration detection system
    5.
    发明授权
    Drive line vibration detection system 失效
    驱动线振动检测系统

    公开(公告)号:US06415667B1

    公开(公告)日:2002-07-09

    申请号:US09515551

    申请日:2000-02-29

    IPC分类号: G08B2100

    CPC分类号: G01H3/00 G01H1/003 G01H1/12

    摘要: A device for detecting undesirable vibrations in a vehicle drive line utilizes a sensor that communicates with a controller to indicate undesirable vibrations in a drive line component. In one example, a temperature sensor is placed in a central portion of a universal joint. The temperature sensor preferably is supported within a single housing along with a transmitter that is responsive to the temperature sensor to transmit a signal to a remotely located receiver without using a hardwire connection between the transmitter and receiver. Packaging the temperature sensor, transmitter and a power source within a single housing provides the ability to seal off or close a series of lubrication channels that extend through the universal joint. In another example, a contact-based sensor provides a signal whenever a vibration of a drive line component occurs. The contact-based sensor signal preferably is processed to monitor the number of vibrations over time and a vehicle operator is provided with an indication of the level of vibrations as desired.

    摘要翻译: 用于检测车辆驱动线路中不期望的振动的装置利用与控制器通信的传感器,以指示驱动线路部件中的不期望的振动。 在一个示例中,将温度传感器放置在万向节的中心部分中。 温度传感器优选地被支撑在单个壳体内以及响应于温度传感器的发射器,以将信号发射到位于远程的接收器,而不使用发射器和接收器之间的硬线连接。 在单个外壳内包装温度传感器,变送器和电源可提供密封或封闭一系列通过万向接头延伸的润滑通道的能力。 在另一示例中,每当发生驱动线组件的振动时,基于接触的传感器提供信号。 基于接触的传感器信号优选地被处理以监视随时间的振动次数,并且根据需要向车辆操作者提供振动水平的指示。

    Method of statistically determining brake lining wear using temperature
sensing
    7.
    发明授权
    Method of statistically determining brake lining wear using temperature sensing 失效
    使用温度感测统计分析制动衬片磨损的方法

    公开(公告)号:US5668529A

    公开(公告)日:1997-09-16

    申请号:US660680

    申请日:1996-06-05

    IPC分类号: F16D66/00 F16D66/02 B60Q1/00

    摘要: A method to estimate the thickness of a brake lining based on the periodic sampling of the output of a temperature sensor embedded in the brake lining. A temperature histogram is created which is compared to calibration histograms stored in an electronic processing unit to yield an estimated brake lining thickness which is transmitted to the vehicle cab or to another on-board electronics unit. A brake wear factor is calculated from the temperature histogram by multiplying the average value of each temperature range by the frequency of occurrence and then summing the results.

    摘要翻译: 基于嵌入在制动衬片中的温度传感器的输出的周期性采样来估计制动衬片的厚度的方法。 产生温度直方图,其与存储在电子处理单元中的校准直方图进行比较,以产生传输到车辆驾驶室或另一车载电子单元的估计制动衬片厚度。 通过将每个温度范围的平均值乘以出现频率,然后将结果相加,从温度直方图计算制动磨损因子。

    Method and apparatus for predicting the position of a satellite in a
satellite based navigation system
    9.
    发明授权
    Method and apparatus for predicting the position of a satellite in a satellite based navigation system 失效
    用于预测卫星在卫星导航系统中的位置的方法和装置

    公开(公告)号:US5430657A

    公开(公告)日:1995-07-04

    申请号:US963677

    申请日:1992-10-20

    摘要: The position of a satellite in a satellite based navigation system is determined without reliance on satellite ephemeris data. Orbital parameters are computed for each satellite. The orbital parameters can then be used to predict the position of each satellite at any time. Subsequent ephemeris data may be compared to a predicted satellite position to determine whether the ephemeris data is corrupt. The orbital parameters may be determined by: computing a pseudorange and a velocity for a selected satellite for a plurality of times, computing at least three estimated positions of the satellite from the pseudoranges and velocities, and computing orbital parameters for the satellite from the three estimated positions. In another embodiment, the orbital parameters are determined by: determining the position of a receiver for at least three times using a constellation of satellites, using the three receiver positions to triangulate on an average position for the selected satellite in the constellation, repeating these steps until at least three mean satellite positions have been computed, computing the orbital parameters from the three mean positions of the selected satellite.

    摘要翻译: 确定卫星在卫星导航系统中的位置,而不依赖于卫星星历数据。 为每颗卫星计算轨道参数。 然后可以使用轨道参数来随时预测每颗卫星的位置。 随后的星历数据可以与预测的卫星位置进行比较,以确定星历数据是否已损坏。 轨道参数可以通过以下方式确定:计算多个选定卫星的伪距和速度,从伪距和速度计算卫星的至少三个估计位置,以及从三个估计中计算卫星的轨道参数 职位 在另一个实施例中,通过以下方式来确定轨道参数:使用星座卫星确定接收机至少三次的位置,使用三个接收机位置对星座中所选择的卫星的平均位置进行三角测量,重复这些步骤 直到计算出至少三个平均卫星位置,从所选卫星的三个平均位置计算轨道参数。

    Thermally activated power supply for sensor system
    10.
    发明授权
    Thermally activated power supply for sensor system 失效
    传感器系统的热敏电源

    公开(公告)号:US06632252B1

    公开(公告)日:2003-10-14

    申请号:US09602795

    申请日:2000-06-23

    IPC分类号: G08C1912

    CPC分类号: G01K3/005 Y10T464/20

    摘要: A sensor system includes a housing that houses a thermally sensitive sensor, a transmitter portion and a power source. Preferably, the sensor device is encapsulated to protect the components from the environment. The transmitter generates a signal in response to the sensor detecting a temperature in a vehicle component that exceeds a predetermined temperature. A receiver is located remotely from the transmitter to receive the signal. The power supply generates electricity when the temperature of the vehicle component achieves an initial threshold temperature that is less than the predetermined temperature.

    摘要翻译: 传感器系统包括容纳热敏感传感器,发射器部分和电源的壳体。 优选地,传感器装置被封装以保护部件免于环境。 发射器响应于传感器检测超过预定温度的车辆部件中的温度而产生信号。 接收器远离发射器定位以接收信号。 当车辆部件的温度达到小于预定温度的初始阈值温度时,电源产生电力。