ONLINE SENSOR CALIBRATION FOR ELECTROHYDRAULIC VALVES
    1.
    发明申请
    ONLINE SENSOR CALIBRATION FOR ELECTROHYDRAULIC VALVES 审中-公开
    电动阀门在线传感器校准

    公开(公告)号:WO2014093771A2

    公开(公告)日:2014-06-19

    申请号:PCT/US2013074920

    申请日:2013-12-13

    Abstract: An online method for reconfiguring pressure and position sensors in a hydraulic system is disclosed. In one step, a sensor drift condition, a recalibration request, or an unisolated fault condition is detected. In another step, a system pressure sensor or another sensor, such as a load-sense pressure sensor, is verified as a trusted master reference sensor. Another step includes measuring and recording a first pressure reading at the master reference sensor and first voltage readings associated with first, second, third, and fourth pressure slave sensors at a first pump pressure set point. Another step includes, repeating the previous step at a second pump pressure set point. A new gain and offset for each of the first, second, third, and fourth pressure sensors can be calculated based on a comparison of the recoded first and second pressure readings and the recorded first and second voltage readings.

    Abstract translation: 公开了一种在液压系统中重新配置压力和位置传感器的在线方法。 在一个步骤中,检测到传感器漂移条件,重新校准请求或非隔离故障条件。 在另一步骤中,将系统压力传感器或诸如负载感测压力传感器的另一传感器验证为可信赖的主参考传感器。 另一步包括测量和记录主参考传感器处的第一压力读数和在第一泵压设定点处与第一,第二,第三和第四压力从属传感器相关联的第一电压读数。 另一个步骤包括在第二泵压力设定点重复上述步骤。 可以基于重新编码的第一和第二压力读数与记录的第一和第二电压读数的比较来计算第一,第二,第三和第四压力传感器中的每一个的新增益和偏移。

    一种提升器控制装置
    2.
    发明申请

    公开(公告)号:WO2019007208A1

    公开(公告)日:2019-01-10

    申请号:PCT/CN2018/091891

    申请日:2018-06-19

    CPC classification number: F15B11/16 F15B13/06 F15B2211/8626 F15B2211/895

    Abstract: 一种提升器控制装置,包括吸油过滤器(1)、齿轮泵(2)、高压滤油器(3)、液压输出阀组(5)、电控阀组(4)、油路转换阀(9)、控制机构以及提升柱塞缸(8);油路转换阀(9)包括第一换向阀(91)与第二换向阀(92),且均为机械阀;其中,吸油过滤器(1)、齿轮泵(2)、高压滤油器(3)以及液压输出阀组(5)、第一换向阀(91)、电控阀组(4)以及第二换向阀(92)依次连接;并且电控阀组(4)通过另一油口与第二换向阀(92)连接。第一预定工况下,油液从液压输出阀组(5)导出后先后经由第一换向阀(91)进入电控阀组(4),控制机构控制电控阀组(4)通过第二换向阀(92)向提升柱塞缸(8)供油;第二预定工况下,油液从液压输出阀组(5)导出后经由第二换向阀(92)向提升柱塞缸(8)供油。当提升器电控模式失效时,可以实现电控模式与手控模式的切换。

    FAIL OPERATIONAL MODES FOR AN ELECTRO-HYDRAULIC SYSTEM
    3.
    发明申请
    FAIL OPERATIONAL MODES FOR AN ELECTRO-HYDRAULIC SYSTEM 审中-公开
    电动液压系统故障运行模式

    公开(公告)号:WO2014105695A1

    公开(公告)日:2014-07-03

    申请号:PCT/US2013/076904

    申请日:2013-12-20

    Abstract: Methods for initiating and implementing fail operational modes in an electro-hydraulic system are disclosed. In one step, a plurality of valve assemblies is provided wherein each of the valve assemblies has a pressure sensor and a position sensor in communication with an electronic system controller. The valve assemblies are in fluid communication with a hydraulic actuator, for example a linear actuator or hydraulic motor. In one step, a fault condition with one of the sensors is detected. The method may also include the steps of determining the type and location of the sensor associated with detected fault condition. In another step, an actuator state is determined wherein the actuator is in a passive state or overrunning state. Another step is initiating and implementing one of a plurality of fail operational modes based on the determination of the sensor type and location, and the actuator state.

    Abstract translation: 公开了一种在电动液压系统中启动和实施故障操作模式的方法。 在一个步骤中,提供了多个阀组件,其中每个阀组件具有与电子系统控制器通信的压力传感器和位置传感器。 阀组件与液压致动器(例如线性致动器或液压马达)流体连通。 在一个步骤中,检测到其中一个传感器的故障状况。 该方法还可以包括确定与检测到的故障状况相关联的传感器的类型和位置的步骤。 在另一步骤中,确定致动器状态,其中致动器处于被动状态或超越状态。 基于传感器类型和位置的确定以及致动器状态,启动和实现多个故障操作模式之一。

    作業機械および作業機械の油圧駆動制御方法
    4.
    发明申请
    作業機械および作業機械の油圧駆動制御方法 审中-公开
    作业机械和气动驱动控制方法

    公开(公告)号:WO2015107662A1

    公开(公告)日:2015-07-23

    申请号:PCT/JP2014/050711

    申请日:2014-01-16

    Abstract:  油圧ポンプ(5A)と、油圧駆動装置と、油圧制御弁(50)と、互いに通信可能に接続された第1制御装置(81)および第2制御装置(82)と、操作具(60)と、操作具(60)の操作量に応じた第1操作信号を少なくとも第1制御装置(81)に出力する第1操作信号出力装置(71)と、操作具(60)の操作量に応じた第2操作信号を少なくとも第2制御装置(82)に出力する第2操作信号出力装置(72)とを備える。第1制御装置(81)は、第1操作信号に基づく第1操作量データと、第2操作信号に基づく第2操作量データとを第1判定部で判定し、異常があると判定した場合は、第1制御信号出力部から油圧制御弁(50)を停止状態に制御する停止信号を出力する。

    Abstract translation: 该工作机具有:气动泵(5A); 气动驱动装置; 气动控制阀(50); 通信连接的第一控制装置(81)和第二控制装置(82); 工作工具(60); 第一操作信号输出装置,其向至少所述第一控制装置输出对应于所述作业工具的操作量的第一操作信号; 以及第二操作信号输出装置,其向至少所述第二控制装置(82)输出与所述作业工具(60)的操作量对应的第二操作信号。 在第一确定单元中,第一控制装置(81)基于第二操作信号基于第一操作信号和第二操作量数据确定第一操作量数据,并且如果确定了错误,则第一控制信号输出单元输出 停止信号,以将气动控制阀(50)控制到停止状态。

    METHODS FOR SAFE OPERATION OF HYDRAULIC HYBRID VEHICLES WITH OVER-CENTER PUMP/MOTORS
    5.
    发明申请
    METHODS FOR SAFE OPERATION OF HYDRAULIC HYBRID VEHICLES WITH OVER-CENTER PUMP/MOTORS 审中-公开
    液压混合动力车用中央泵/电机的安全运行方法

    公开(公告)号:WO2011133344A3

    公开(公告)日:2012-04-05

    申请号:PCT/US2011031806

    申请日:2011-04-08

    Inventor: GRAY CHARLES L

    Abstract: Fail-safe methods for utilizing an over-center pump/motor in a hydraulic hybrid vehicle are disclosed. A high-pressure fluid shutoff valve and an optional electrically or manually operated valve are additionally provided as means to ensure disconnection of the high pressure source in the event of a failure. Displacement stroke position and pressure differentials across the pump/motor are continually monitored. On detection of various modes of failure or irregularity in control of displacement, actions are taken including any of: the high pressure and low pressure accumulators are shut off automatically or manually, a check valve between the high and low pressure ports of the pump/motor is activated, and a small amount of pressurized fluid is released from the high pressure circuit to depressurize the captive fluid. Safe startup and shutdown procedures are also specified. The system provides for safe operation of a hydraulic hybrid vehicle that includes an engine pump and drive motor, at least one of which operates over-center. The system optionally provides a displacement control valve that is controlled by feedback from an actuator or displacement position sensor and that on loss of electric power to the displacement control valve will cause the controlled pump/motor to stroke to a zero displacement position.

    Abstract translation: 公开了在液压混合动力车辆中利用超中心泵/马达的故障安全方法。 另外提供高压流体截止阀和可选的电动或手动操作的阀作为在发生故障时确保高压源断开的装置。 持续监控泵/电机上的位移行程位置和压力​​差。 在检测各种失效模式或位移控制不规则的情况下,采取以下措施:高压和低压蓄能器自动或手动关闭,泵/电机的高压端口和低压端口之间的止回阀 被激活,并且少量的加压流体从高压回路释放以使捕获流体减压。 还指定了安全的启动和关闭程序。 该系统提供了包括发动机泵和驱动电动机的液压混合动力车辆的安全操作,其中至少一个操作在中心以上。 该系统可选地提供一个位移控制阀,其通过来自致动器或位移传感器的反馈来控制,并且在排出控制阀的电力损失时将导致受控的泵/电动机行驶到零位移位置。

    IN-SITU SENSOR CALIBRATION FOR ELECTROHYDRAULIC VALVES
    6.
    发明申请
    IN-SITU SENSOR CALIBRATION FOR ELECTROHYDRAULIC VALVES 审中-公开
    电液阀原位传感器校准

    公开(公告)号:WO2014093771A4

    公开(公告)日:2014-09-25

    申请号:PCT/US2013074920

    申请日:2013-12-13

    Abstract: An online method for reconfiguring pressure and position sensors in a hydraulic system is disclosed. In one step, a sensor drift condition, a recalibration request, or an unisolated fault condition is detected. In another step, a system pressure sensor or another sensor, such as a load-sense pressure sensor, is verified as a trusted master reference sensor. Another step includes measuring and recording a first pressure reading at the master reference sensor and first voltage readings associated with first, second, third, and fourth pressure slave sensors at a first pump pressure set point. Another step includes, repeating the previous step at a second pump pressure set point. A new gain and offset for each of the first, second, third, and fourth pressure sensors can be calculated based on a comparison of the recoded first and second pressure readings and the recorded first and second voltage readings.

    Abstract translation: 公开了一种用于在液压系统中重新配置压力和位置传感器的在线方法。 在一个步骤中,检测传感器漂移状况,重新校准请求或未隔离的故障状况。 在另一个步骤中,将系统压力传感器或其他传感器(例如负载传感压力传感器)验证为可信主参考传感器。 另一个步骤包括在第一泵压力设定点处测量和记录主基准传感器处的第一压力读数和与第一,第二,第三和第四压力从属传感器相关联的第一电压读数。 另一个步骤包括在第二个泵压力设定点重复上一个步骤。 基于重新记录的第一和第二压力读数与记录的第一和第二电压读数的比较,可计算第一,第二,第三和第四压力传感器中的每一个的新的增益和偏移。

    METHODS FOR SAFE OPERATION OF HYDRAULIC HYBRID VEHICLES WITH OVER-CENTER PUMP/MOTORS
    7.
    发明申请
    METHODS FOR SAFE OPERATION OF HYDRAULIC HYBRID VEHICLES WITH OVER-CENTER PUMP/MOTORS 审中-公开
    具有超中心泵/电机的液压混合动力车辆的安全运行方法

    公开(公告)号:WO2011133344A2

    公开(公告)日:2011-10-27

    申请号:PCT/US2011/031806

    申请日:2011-04-08

    Abstract: Fail-safe methods for utilizing an over-center pump/motor in a hydraulic hybrid vehicle are disclosed. A high-pressure fluid shutoff valve and an optional electrically or manually operated valve are additionally provided as means to ensure disconnection of the high pressure source in the event of a failure. Displacement stroke position and pressure differentials across the pump/motor are continually monitored. On detection of various modes of failure or irregularity in control of displacement, actions are taken including any of: the high pressure and low pressure accumulators are shut off automatically or manually, a check valve between the high and low pressure ports of the pump/motor is activated, and a small amount of pressurized fluid is released from the high pressure circuit to depressurize the captive fluid. Safe startup and shutdown procedures are also specified. The system provides for safe operation of a hydraulic hybrid vehicle that includes an engine pump and drive motor, at least one of which operates over-center. The system optionally provides a displacement control valve that is controlled by feedback from an actuator or displacement position sensor and that on loss of electric power to the displacement control valve will cause the controlled pump/motor to stroke to a zero displacement position.

    Abstract translation: 公开了在液压混合动力车辆中利用超中心泵/电动机的故障安全方法。 另外提供高压流体截止阀和可选择的电动或手动操作阀作为在发生故障时确保高压源断开的装置。 持续监控泵/马达的位移行程位置和压力​​差。 在检测各种失效模式或排量控制不规则的情况下,采取以下措施:高压和低压蓄能器自动或手动关闭,泵/电机的高压端口和低压端口之间的止回阀 被激活,并且少量加压流体从高压回路释放以使捕获流体减压。 还指定了安全启动和关闭程序。 该系统提供了包括发动机泵和驱动电动机的液压混合动力车辆的安全操作,其中至少一个运行在中心以上。 该系统可选地提供一个位移控制阀,该位移控制阀由来自致动器或位移传感器的反馈控制,并且在位移控制阀的电力损失将导致受控的泵/电动机行程到零位移位置。

    FAIL-SAFE HYDRAULIC CIRCUIT
    8.
    发明申请
    FAIL-SAFE HYDRAULIC CIRCUIT 审中-公开
    故障安全液压回路

    公开(公告)号:WO2017009296A1

    公开(公告)日:2017-01-19

    申请号:PCT/EP2016/066449

    申请日:2016-07-11

    Inventor: SIMON, Stephane

    Abstract: A hydraulic circuit comprising: a hydraulic input A, a hydraulic output B, a first directional control valve 12 arranged between the hydraulic input and hydraulic output, and a second directional control valve arranged between the hydraulic input and hydraulic output in series with the first directional control valve, wherein the first directional control valve has a first position in which it inhibits the passage of hydraulic fluid from the hydraulic input to the hydraulic output and a second position in which it permits the passage of hydraulic fluid, the second directional control valve has a first position in which it inhibits the passage of hydraulic fluid from the hydraulic input to the hydraulic output and a second position in which it permits the passage of hydraulic fluid, and wherein the first and second directional control valves each require an energy input to be maintained in their respective second positions.

    Abstract translation: 一种液压回路,包括:液压输入A,液压输出B,布置在液压输入和液压输出之间的第一方向控制阀12和布置在液压输入和液压输出之间的第二方向控制阀,与第一定向 控制阀,其中所述第一方向控制阀具有第一位置,在所述第一位置中,所述第一位置阻止所述液压流体从所述液压输入端通向所述液压输出端;以及第二位置,其中允许所述液压流体通过,所述第二方向控制阀具有 第一位置,其阻止液压流体从液压输入到液压输出的通道;以及第二位置,其允许液压流体通过,并且其中第一和第二方向控制阀各自需要能量输入为 保持在其第二职位。

    SYSTEM AND METHOD FOR CONTROLLING A VALVE
    9.
    发明申请
    SYSTEM AND METHOD FOR CONTROLLING A VALVE 审中-公开
    控制阀的系统和方法

    公开(公告)号:WO2015153935A1

    公开(公告)日:2015-10-08

    申请号:PCT/US2015/024191

    申请日:2015-04-03

    Inventor: MENET, Nicolas

    Abstract: A system and method for controlling a valve increases the availability of a control valve assembly used in a control process. A pair of positioners (204,206) are arranged in a high-availability configuration and individually coupled to a controller (216). A first positioner (204) includes an output coupled to a switch (218) and a second positioner (206) includes an output coupled to the switch (218). The operating state of the first positioner (204) is monitored and the output of the first or second positioner (204,206) allowed to pass through the switch (218) to the control valve (214) is dependent upon the operating status of the first positioner (204).

    Abstract translation: 用于控制阀的系统和方法增加了在控制过程中使用的控制阀组件的可用性。 一对定位器(204,206)被布置成高可用性配置并且单独地耦合到控制器(216)。 第一定位器(204)包括耦合到开关(218)的输出端,第二定位器(206)包括耦合到开关(218)的输出端。 监视第一定位器(204)的操作状态,并允许允许通过开关(218)到控制阀(214)的第一或第二定位器(204,206)的输出取决于第一定位器(204)的操作状态 (204)。

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