-
公开(公告)号：US20100154403A1
公开(公告)日：2010-06-24
申请号：US12338801
申请日：2008-12-18
IPC分类号： F15B13/044
CPC分类号： F15B11/165 , E02F9/2235 , E02F9/2296 , F15B11/163 , F15B21/087 , F15B2211/20523 , F15B2211/20553 , F15B2211/253 , F15B2211/6309 , F15B2211/633 , F15B2211/6333 , F15B2211/6346 , F15B2211/654 , F15B2211/6652
摘要： A control for a variable displacement pump disposed in a hydraulic system obtains a requested signal from a manual control device and provides a command signal to a valve operating to adjust a displacement setting of the variable displacement pump. The control provides the command signal based on the requested signal, and scales the requested signal based on a sensed or calculated load of the system.
摘要翻译： 设置在液压系统中的可变排量泵的控制器从手动控制装置获得所请求的信号，并向操作的阀提供命令信号，以调节可变排量泵的位移设定。 该控制基于所请求的信号提供命令信号，并且基于系统的感测或计算负载来缩放所请求的信号。
-
公开(公告)号：US08393150B2
公开(公告)日：2013-03-12
申请号：US12338801
申请日：2008-12-18
IPC分类号： F16D31/02
CPC分类号： F15B11/165 , E02F9/2235 , E02F9/2296 , F15B11/163 , F15B21/087 , F15B2211/20523 , F15B2211/20553 , F15B2211/253 , F15B2211/6309 , F15B2211/633 , F15B2211/6333 , F15B2211/6346 , F15B2211/654 , F15B2211/6652
摘要： A control for a variable displacement pump disposed in a hydraulic system obtains a requested signal from a manual control device and provides a command signal to a valve operating to adjust a displacement setting of the variable displacement pump. The control provides the command signal based on the requested signal, and scales the requested signal based on a sensed or calculated load of the system.
摘要翻译： 设置在液压系统中的可变排量泵的控制器从手动控制装置获得所请求的信号，并向操作的阀提供命令信号，以调节可变排量泵的位移设定。 该控制基于所请求的信号提供命令信号，并且基于系统的感测或计算负载来缩放所请求的信号。
-
公开(公告)号：US08813486B2
公开(公告)日：2014-08-26
申请号：US13036712
申请日：2011-02-28
IPC分类号： F15B11/16
CPC分类号： F15B21/087 , E02F9/2203 , E02F9/2228 , E02F9/2296 , F15B2211/20523 , F15B2211/20546 , F15B2211/30575 , F15B2211/6309 , F15B2211/6336 , F15B2211/6346
摘要： A hydraulic control system for a machine is disclosed. The hydraulic control system may have a hydraulic circuit, and a pump configured to supply pressurized fluid to the hydraulic circuit. The hydraulic control system may also have a first fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, a first valve arrangement movable to control a flow of fluid to the first fluid actuator, a second fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, and a second valve arrangement movable to control a flow of fluid to the second fluid actuator. The hydraulic control system may additionally have a controller in communication with the first and second valve arrangements. the controller may be configured to make a determination of a stall condition of the first fluid actuator, and to selectively change a flow command directed to the second valve arrangement based on the determination.
摘要翻译： 公开了一种用于机器的液压控制系统。 液压控制系统可以具有液压回路，以及构造成将加压流体供应到液压回路的泵。 液压控制系统还可以具有流体连接以从液压回路接收加压流体的第一流体致动器，可移动以控制流体流向第一流体致动器的第一阀装置，流体连接以从第 液压回路和可移动以控制流体流向第二流体致动器的第二阀装置。 液压控制系统还可以具有与第一和第二阀装置连通的控制器。 控制器可以被配置为确定第一流体致动器的失速状态，并且基于该确定来选择性地改变指向第二阀装置的流动指令。
-
公开(公告)号：US08726647B2
公开(公告)日：2014-05-20
申请号：US13036421
申请日：2011-02-28
IPC分类号： F15B21/08
CPC分类号： F15B21/087 , E02F9/2203 , E02F9/226 , E02F9/2296 , F15B2211/20523 , F15B2211/20546 , F15B2211/30575 , F15B2211/6309 , F15B2211/6336 , F15B2211/6346
摘要： A hydraulic control system for a machine is disclosed. The hydraulic control system may have a hydraulic circuit, a pump configured to supply pressurized fluid, and a first sensor configured to generate a first signal indicative of a pressure of the hydraulic circuit. The hydraulic circuit may also have a first fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, a second sensor configured to generate a second signal indicative of a velocity of the first fluid actuator, and a controller in communication with the first and second sensors. The controller may be configured to receive an input indicative of a desired flow rate for the first fluid actuator, to determine an actual flow rate of the first fluid actuator based on the second signal, and to determine a stall condition of the first fluid actuator based on the desired flow rate, the actual flow rate, and the first signal.
摘要翻译： 公开了一种用于机器的液压控制系统。 液压控制系统可以具有液压回路，构造成供应加压流体的泵和构造成产生指示液压回路的压力的第一信号的第一传感器。 液压回路还可以具有流体连接以从液压回路接收加压流体的第一流体致动器，配置成产生指示第一流体致动器的速度的第二信号的第二传感器，以及与第一和第二流体连通的控制器 传感器。 控制器可以被配置为接收指示第一流体致动器的期望流量的输入，以基于第二信号确定第一流体致动器的实际流量，并且基于第一流体致动器的失速状态来确定 按所需流量，实际流量和第一信号。
-
公开(公告)号：US20120216518A1
公开(公告)日：2012-08-30
申请号：US13036712
申请日：2011-02-28
IPC分类号： F15B7/06
CPC分类号： F15B21/087 , E02F9/2203 , E02F9/2228 , E02F9/2296 , F15B2211/20523 , F15B2211/20546 , F15B2211/30575 , F15B2211/6309 , F15B2211/6336 , F15B2211/6346
摘要： A hydraulic control system for a machine is disclosed. The hydraulic control system may have a hydraulic circuit, and a pump configured to supply pressurized fluid to the hydraulic circuit. The hydraulic control system may also have a first fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, a first valve arrangement movable to control a flow of fluid to the first fluid actuator, a second fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, and a second valve arrangement movable to control a flow of fluid to the second fluid actuator. The hydraulic control system may additionally have a controller in communication with the first and second valve arrangements. the controller may be configured to make a determination of a stall condition of the first fluid actuator, and to selectively change a flow command directed to the second valve arrangement based on the determination.
摘要翻译： 公开了一种用于机器的液压控制系统。 液压控制系统可以具有液压回路，以及构造成将加压流体供应到液压回路的泵。 液压控制系统还可以具有流体连接以从液压回路接收加压流体的第一流体致动器，可移动以控制流体流向第一流体致动器的第一阀装置，流体连接以从第 液压回路和可移动以控制流体流向第二流体致动器的第二阀装置。 液压控制系统还可以具有与第一和第二阀装置连通的控制器。 控制器可以被配置为确定第一流体致动器的失速状态，并且基于该确定来选择性地改变指向第二阀装置的流动指令。
-
公开(公告)号：US08515637B2
公开(公告)日：2013-08-20
申请号：US12978176
申请日：2010-12-23
IPC分类号： G06F17/00
CPC分类号： E02F9/2253 , F16H61/431 , F16H61/468
摘要： A machine control system may include an input receiving portion configured to receive torque inputs related to a hydrostatic transmission. The input receiving portion may also receive an operator request for actuating the hydrostatic transmission. The machine control system may also include a processor configured to determine a factor based at least in part on the torque inputs, for adjusting the operator request. The processor may also be configured to determine a command for actuating the hydrostatic transmission based on the adjusted operator request, such that a torque load to be exerted on a power source by the hydrostatic transmission is within a desired range. The machine control system may further include an output sending portion configured to send the command to the hydrostatic transmission.
摘要翻译： 机器控制系统可以包括被配置为接收与静液压传动相关的扭矩输入的输入接收部分。 输入接收部分还可以接收用于致动静液压传动的操作者请求。 机器控制系统还可以包括处理器，该处理器被配置为至少部分地基于转矩输入来确定因子，以调整操作者的请求。 处理器还可以被配置为基于经调整的操作者请求来确定用于致动静液压变速器的命令，使得通过静液压变速器施加在动力源上的扭矩负载在期望的范围内。 机器控制系统还可以包括被配置为将命令发送到静液压传动的输出发送部分。
-
公开(公告)号：US20090319136A1
公开(公告)日：2009-12-24
申请号：US12213527
申请日：2008-06-20
IPC分类号： G06F17/00
CPC分类号： B60W50/06 , E02F9/2246 , F02D41/021 , F02D41/1497 , F02D2250/26
摘要： A machine may include a torque producing system, and a torque consuming device including load controls operable to generate a request for torque. The machine may also include a control system coupled to the torque producing system and the load controls. The control system may be operable to receive the request for torque, determine a torque limit based on the requested torque, and communicate the torque limit to the load controls, the load controls being operable to adjust operation of the torque consuming device based on the torque limit.
摘要翻译： 机器可以包括扭矩产生系统，以及包括可操作以产生扭矩请求的负载控制的扭矩消耗装置。 该机器还可以包括耦合到扭矩产生系统和负载控制的控制系统。 所述控制系统可操作以接收转矩请求，基于所请求的转矩来确定转矩极限，并将所述转矩极限传达到所述负载控制，所述负载控制可操作以基于所述转矩来调整所述扭矩消耗装置的操作 限制。
-
公开(公告)号：US08844280B2
公开(公告)日：2014-09-30
申请号：US13036991
申请日：2011-02-28
CPC分类号： F15B21/087 , E02F9/2228 , E02F9/2296 , F15B2211/20523 , F15B2211/20546 , F15B2211/30575 , F15B2211/6309 , F15B2211/6323 , F15B2211/6346
摘要： A hydraulic control system is disclosed. The hydraulic control system may have a hydraulic actuator, a valve arrangement, and an operator input device configured to generate a first signal indicative of a desired hydraulic actuator velocity. The hydraulic control system may also have a sensor configured to generate a second signal indicative of an actual flow rate of fluid entering the hydraulic actuator, and a controller. The controller may be configured to determine a desired flow rate of fluid into the hydraulic actuator based on the first signal; to estimate the actual flow rate based on the desired flow rate, a correction flow rate, and a system response model; and to determine the actual flow rate based on the second signal. The controller may also be configured to make a comparison of the estimated and determined actual flow rates of fluid, and to determine the correction flow rate based on the comparison.
摘要翻译： 公开了一种液压控制系统。 液压控制系统可以具有液压致动器，阀装置和操作员输入装置，其被配置为产生指示期望的液压执行器速度的第一信号。 液压控制系统还可以具有被配置为产生指示进入液压致动器的流体的实际流量的第二信号的传感器和控制器。 控制器可以被配置为基于第一信号来确定流入液压致动器的流体的期望流量; 基于期望的流量，校正流量和系统响应模型来估计实际流量; 并基于第二信号确定实际流量。 控制器还可以被配置为对流体的估计和确定的实际流速进行比较，并且基于比较来确定校正流量。
-
公开(公告)号：US08793002B2
公开(公告)日：2014-07-29
申请号：US12213527
申请日：2008-06-20
CPC分类号： B60W50/06 , E02F9/2246 , F02D41/021 , F02D41/1497 , F02D2250/26
摘要： A machine may include a torque producing system, and a torque consuming device including load controls operable to generate a request for torque. The machine may also include a control system coupled to the torque producing system and the load controls. The control system may be operable to receive the request for torque, determine a torque limit based on the requested torque, and communicate the torque limit to the load controls, the load controls being operable to adjust operation of the torque consuming device based on the torque limit.
摘要翻译： 机器可以包括扭矩产生系统，以及包括可操作以产生扭矩请求的负载控制的扭矩消耗装置。 该机器还可以包括耦合到扭矩产生系统和负载控制的控制系统。 所述控制系统可操作以接收转矩请求，基于所请求的转矩来确定转矩极限，并将所述转矩极限传达到所述负载控制，所述负载控制可操作以基于所述转矩来调整所述扭矩消耗装置的操作 限制。
-
公开(公告)号：US20120166050A1
公开(公告)日：2012-06-28
申请号：US12978176
申请日：2010-12-23
IPC分类号： F16H59/14
CPC分类号： E02F9/2253 , F16H61/431 , F16H61/468
摘要： A machine control system may include an input receiving portion configured to receive torque inputs related to a hydrostatic transmission. The input receiving portion may also receive an operator request for actuating the hydrostatic transmission. The machine control system may also include a processor configured to determine a factor based at least in part on the torque inputs, for adjusting the operator request. The processor may also be configured to determine a command for actuating the hydrostatic transmission based on the adjusted operator request, such that a torque load to be exerted on a power source by the hydrostatic transmission is within a desired range. The machine control system may further include an output sending portion configured to send the command to the hydrostatic transmission.
摘要翻译： 机器控制系统可以包括被配置为接收与静液压传动相关的扭矩输入的输入接收部分。 输入接收部分还可以接收用于致动静液压传动的操作者请求。 机器控制系统还可以包括处理器，该处理器被配置为至少部分地基于转矩输入来确定因子，以调整操作者的请求。 处理器还可以被配置为基于经调整的操作者请求来确定用于致动静液压变速器的命令，使得通过静液压变速器施加在动力源上的扭矩负载在期望的范围内。 机器控制系统还可以包括被配置为将命令发送到静液压传动的输出发送部分。
-
-
-
-
-
-
-
-
-
搜索结果
26 条记录 (耗时 0.026 秒)
