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    DYNAMIC CALIBRATING CURRENT SENSOR
    2.
    发明公开
    DYNAMIC CALIBRATING CURRENT SENSOR 审中-公开
    STROMSENSOR MIT DYNAMISCHER KALIBRIERUNG

    公开(公告)号：EP3124990A1

    公开(公告)日：2017-02-01

    申请号：EP16182050.1

    申请日：2016-07-29

    申请人： Hamilton Sundstrand Corporation

    发明人： HESS, Gary L. ,  COVINGTON, Scott M. ,  WIENS, Loyal A. ,  PETERSEN, Eric

    IPC分类号： G01R35/00 ,  G01R19/32

    CPC分类号： G01R35/00 ,  G01R19/32 ,  G01R35/005

    摘要： A dynamic calibrating current sensor control system includes an input power supply (202) that generates an input current and a current sensor (208) interposed between the input power supply and the load. The current sensor is configured to output at least one current signal indicating a level of current delivered to the load. The dynamic calibrating current sensor control system also comprises an electronic switching control circuit (212) that generates at least one control signal to selectively connect the input power supply to the load, and an electronic drift suppression circuit (214) in signal communication with the current sensor and the switching control circuit. The drift suppression circuit is configured to generate a corrected current signal in response to applying an offset value to the current signal. The offset value cancels the drift current from the current signal in response to connecting the input power supply to the load.

    摘要翻译： 动态校准电流传感器控制系统包括产生输入电流的输入电源（202）和置于输入电源和负载之间的电流传感器（208）。 电流传感器被配置为输出指示传送到负载的电流电平的至少一个电流信号。 动态校准电流传感器控制系统还包括产生至少一个控制信号以选择性地将输入电源连接到负载的电子开关控制电路（212）和与电流信号通信的电子漂移抑制电路（214） 传感器和开关控制电路。 漂移抑制电路被配置为响应于向当前信号施加偏移值而产生校正的电流信号。 响应于将输入电源连接到负载，偏移值抵消来自电流信号的漂移电流。

    CLOCK DRIFT MONITOR
    3.
    发明公开
    CLOCK DRIFT MONITOR 审中-公开

    公开(公告)号：EP4199354A1

    公开(公告)日：2023-06-21

    申请号：EP22211639.4

    申请日：2022-12-06

    申请人： Hamilton Sundstrand Corporation

    发明人： WILSON, Michael A. ,  HESS, Gary L.

    IPC分类号： H03K5/26

    摘要： Provided are embodiments for monitoring clock drift. Embodiments may include an XOR gate (102) that is configured to receive a first clock signal from a first clock source and a second clock signal from a second clock source, wherein the XOR logic gate is further configured to generate a switching output based on an XOR operation of the first clock signal and the second clock signal, and a rising edge detector (106) and a falling edge detector (108) that are configured to detect a rising edge and a falling edge of the switching output. Embodiments may also include an AND gate (112) that is configured to threshold compare the rising edge to a configurable threshold to determine if a fault condition exists indicating clock drift between the first clock signal and the second clock signal and provide an indication of the fault condition based at least in part on the comparison.

    SYSTEMS AND METHODS FOR DETERMINING ROTATIONAL POSITION
    5.
    发明公开
    SYSTEMS AND METHODS FOR DETERMINING ROTATIONAL POSITION 审中-公开
    用于确定旋转位置的系统和方法

    公开(公告)号：EP3239662A1

    公开(公告)日：2017-11-01

    申请号：EP17166780.1

    申请日：2017-04-18

    申请人： Hamilton Sundstrand Corporation

    发明人： HESS, Gary L. ,  REEN, Kanwalpreet

    IPC分类号： G01D5/20

    CPC分类号： G01D5/2291 ,  G01D5/2086

    摘要： A resolver system includes a rotatable primary winding (18), a secondary winding (20) fixed relative to the primary winding, and an analog-to-digital converter (28) electrically connected to the secondary winding. A control module (100) is operatively connected to analog-to-digital converter and is responsive to instructions to apply an excitation voltage with an oscillating waveform to the primary winding, induce a secondary voltage using the secondary winding using the excitation voltage, and acquire a plurality of voltage measurements from the secondary winding separated by a time interval corresponding to π/3 of the excitation voltage oscillating waveform.

    摘要翻译： 分解器系统包括可旋转的初级绕组（18），相对于初级绕组固定的次级绕组（20）以及电连接到次级绕组的模数转换器（28）。 控制模块（100）可操作地连接到模数转换器，并且响应于指令以将具有振荡波形的激励电压施加到初级绕组，利用激励电压使用次级绕组感应次级电压，并且获取 来自次级绕组的多个电压测量值分隔开与激励电压振荡波形的π/ 3相对应的时间间隔。

    WETTING CURRENT SEQUENCING FOR LOW CURRENT INTERFACE
    6.
    发明公开
    WETTING CURRENT SEQUENCING FOR LOW CURRENT INTERFACE 有权
    BENETZUNGSSTROMSEQUENZIERUNGFÜRSCHWACHSTROMANLAGENSCHNITTSTELLE

    公开(公告)号：EP3086419A1

    公开(公告)日：2016-10-26

    申请号：EP16165814.1

    申请日：2016-04-18

    申请人： Hamilton Sundstrand Corporation

    发明人： HESS, Gary L. ,  LILLESTOLEN, Kirk A.

    IPC分类号： H01R43/00 ,  H01H1/60

    CPC分类号： G05F3/02 ,  H01H1/605 ,  H01R43/002

    摘要： A process for automated contact wetting in a sensor circuit includes generating a first current through a contact (40) by sequencing a first circuit on, the first current exceeding a wetting threshold of the contact (40), and reducing current through the contact (40) to a second current by sequencing a second circuit on, the second current being below the wetting threshold.

    摘要翻译： 在传感器电路中自动接触润湿的过程包括通过对第一电路进行排序来产生通过触点（40）的第一电流，第一电流超过触点（40）的润湿阈值，并且减少通过触点（40）的电流 ）到第二电流，通过对第二电路进行排序，第二电流低于润湿阈值。

    CURRENT BALANCING
    7.
    发明公开
    CURRENT BALANCING 审中-公开

    公开(公告)号：EP4044386A1

    公开(公告)日：2022-08-17

    申请号：EP22156220.0

    申请日：2022-02-10

    申请人： Hamilton Sundstrand Corporation

    发明人： WILSON, Michael A. ,  AVRITCH, Steven A. ,  HESS, Gary L.

    IPC分类号： H02J1/06 ,  H02J1/10

    摘要： A system (100) comprises a first current balancer (300) and a second current balancer (400). Each of the first and second current balancers includes a first input line (102) for a first voltage source (104) connected to a first output (106), a second input line (108) for a second voltage source (110) connected to a second output and is in parallel with the first input line, a first series pass element (114) connected in series with the first input line, and a second series pass element (116) connected in series with the second input line. The system further includes a controller (118) operatively connected to the first series pass element and to the second series pass element to throttle at least one of the first series pass element and the second series pass element to balance output current in the first and second outputs.

    ROTARY SPEED SENSORS
    9.
    发明公开
    ROTARY SPEED SENSORS 审中-公开
    旋转速度传感器

    公开(公告)号：EP3236270A1

    公开(公告)日：2017-10-25

    申请号：EP17167395.7

    申请日：2017-04-20

    申请人： Hamilton Sundstrand Corporation

    发明人： HESS, Gary L. ,  LILLESTOLEN, Kirk A.

    IPC分类号： G01P3/489 ,  G01P3/488 ,  E21B4/02 ,  E21B21/08 ,  E21B47/12

    CPC分类号： G01P3/46 ,  G01D5/2006 ,  G01P3/488 ,  G01P3/489

    摘要： A speed detection device includes a comparator module (106), a sensor lead (102) with a node (114) connected to the comparator module, and a limit set module (104). The limit set module is connected to the sensor lead node and determines the signal strength, e.g. by determining the amplitude of the maximum and minimum peaks or by determining the root-mean-square RMS value. Two limit values are derived from the determined signal strength and delivered to a comparator module via an upper limit lead (110) and a lower limit lead (112). In this way, upper and lower limits used by the comparator vary according to amplitude variation in voltage applied to the sensor lead.

    摘要翻译： 速度检测装置包括比较器模块（106），具有连接到比较器模块的节点（114）的传感器引线（102）以及限制设定模块（104）。 极限设置模块连接到传感器引线节点并确定信号强度，例如， 通过确定最大和最小峰值的幅度或通过确定均方根RMS值。 从确定的信号强度导出两个极限值，并通过上限引线（110）和下限引线（112）传送到比较器模块。 这样，比较器使用的上限和下限根据施加到传感器导线的电压的幅度变化而变化。