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    • 4. 发明授权
    • Power transmission
    • 电力传输
    • US4625622A
    • 1986-12-02
    • US765796
    • 1985-08-15
    • Rajamouli GundaMelvin A. Rode
    • Rajamouli GundaMelvin A. Rode
    • F15B9/17F15B21/08G05B19/35G05D3/18F15B21/02
    • G05D3/18F15B21/087G05B19/351G05B2219/34215G05B2219/34236G05B2219/35438G05B2219/36429G05B2219/37462G05B2219/41302G05B2219/42237
    • A system and method for pulse-width modulation of multiple solenoid-operated valves in an electrohydraulic servo system employing a microprocessor-based digital controller. Solenoid-energization pulse widths are identified by comparison of operator command input signals to feedback signals responsive to actual motion at the actuators and loads. During each modulation period, all solenoids are initially selectively simultaneously energized as a function of binary information stored in an energization control register, and the shortest energization pulse duration is identified. After a delay corresponding to such shortest duration, during which the microprocessor may perform other control functions, the solenoids associated with such shortest duration are selectively de-energized as a function of binary information stored in a de-energization control register. The next-shortest duration is then identified, and the process again delays for a time equal to the difference between such next-shortest duration and the previous duration. The process of identifying pulse durations of increasing length and correspondingly deenergizing the solenoids continues until all pulse durations have been accommodated or until the modulation period terminates, at which point the entire control process rebegins.
    • 一种采用基于微处理器的数字控制器的电动液压伺服系统中多个电磁阀的脉宽调制系统和方法。 通过将操作员命令输入信号与响应于执行器和负载处的实际运动的反馈信号进行比较来识别电磁阀通电脉冲宽度。 在每个调制周期期间,根据存储在通电控制寄存器中的二进制信息的函数,所有螺线管最初被选择性地同时通电,并且识别最短的通电脉冲持续时间。 在对应于这样最短持续时间的延迟之后,微处理器可以执行其他控制功能,与这样最短持续时间相关联的螺线管根据存储在断电控制寄存器中的二进制信息的功能被选择性地断电。 然后识别下一个最短的持续时间,并且处理再次延迟等于这样的下一个最短持续时间和先前持续时间之间的差值的时间。 识别增加长度的脉冲持续时间并相应地断电螺线管的过程继续进行,直到所有脉冲持续时间已经被适应或者直到调制周期终止为止,在整个控制过程进行到达时间。
    • 8. 发明申请
    • FIRE-FIGHTING CONTROL SYSTEM
    • 消防控制系统
    • US20120061108A1
    • 2012-03-15
    • US12879503
    • 2010-09-10
    • Jason Cerrano
    • Jason Cerrano
    • A62C37/36
    • A62C31/02A62C2/00A62C37/00A62C37/38G05B19/058G05B2219/41302G08B5/38
    • Systems and methods are described herein for remotely controlling the operation of a fire-fighting device coupled to a pump and a valve. The system may comprise a base component and a remote component. The base component comprises a transceiver operable to control operation of the fire-fighting device. The remote component comprises a transceiver configured to wirelessly communicate with the base component and is positioned near a discharge end of a hose coupled to the fire-fighting device wherein an input end of the hose coupled to the fire-fighting device. The remote component also includes an input device for receiving input from a user and is configured to wirelessly communicate the received input to the base component. The base component is configured to control at least one of the pump and the valve based on the received input communicated to the fire-fighting device subject to a set of rules.
    • 本文描述了用于远程控制联接到泵和阀的消防装置的操作的系统和方法。 系统可以包括基本组件和远程组件。 基座组件包括可操作以控制消防装置的操作的收发器。 远程组件包括被配置为与基座部件无线通信并且被定位在与灭火装置相连的软管的排放端附近的收发器,其中软管的输入端连接到消防装置。 远程组件还包括用于从用户接收输入并被配置为将接收到的输入无线地传送到基本组件的输入设备。 基座部件被配置为基于接收到的输入信号来控制泵和阀中的至少一个,该输入通过一组规则传送到消防装置。
    • 9. 发明授权
    • Method and apparatus of controlling and positioning fluid actuator
    • 用于控制和定位流体致动器的方法和装置
    • US4763560A
    • 1988-08-16
    • US71529
    • 1987-07-08
    • Katsumi Sasaki
    • Katsumi Sasaki
    • F15B11/00F15B11/042G05B19/35F15B13/16
    • G05B19/353F15B11/006F15B11/0426F15B2211/30575F15B2211/327F15B2211/351F15B2211/353F15B2211/6336F15B2211/6346F15B2211/6653F15B2211/6654F15B2211/6656F15B2211/75F15B2211/7656F15B2211/775G05B2219/34215G05B2219/37462G05B2219/41302G05B2219/41303
    • Method and apparatus of controlling and positioning a fluid actuator by supplying pressurized fluid to right and left actuating chambers of the actuator through an on-off control valves. To drive and position the actuator rapidly and accurately, the actuator can be driven at a higher speed by an initial driving force until it reaches near the desired position and continuously moved at a low speed by gradually increasing the fluid pressure to be supplied to the right and left actuating chambers of the actuator. The initial driving force in the high-speed range becomes maximum when the pressure is applied to one of the right and left actuating chambers while at the same time the other actuating chamber is exhausted. In the low-speed range and near the target position, the one actuating chamber is continuously supplied with the pressure while at the same time the other actuating chamber is gradually closed. Thus, the speed of movement of the actuator can be reduced in the low-speed range and ultimately stopped by raised pressures acting on the opposite sides of the actuator. At the target position, accordingly, the actuator can accurately be positioned against any external disturbance.
    • 通过开关控制阀向执行器的左和右驱动室供应加压流体来控制和定位流体致动器的方法和装置。 为了快速准确地驱动和定位执行器,致动器可以通过初始驱动力以更高的速度被驱动,直到其达到所需位置的附近,并且通过逐渐增加要供给到右侧的流体压力以低速连续移动 和致动器的左致动室。 当压力施加到左右致动室中的一个时,高速范围内的初始驱动力变得最大,同时另一个致动室被排出。 在低速范围和目标位置附近,一个致动室连续地被供给压力,同时另一个致动室逐渐关闭。 因此,可以在低速范围内降低致动器的运动速度,并最终通过作用在致动器的相对侧上的升高的压力来停止。 因此,在目标位置,可以精确地定位致动器以抵抗任何外部干扰。
    • 10. 发明申请
    • FIRE-FIGHTING CONTROL SYSTEM
    • 消防控制系统
    • WO2012033920A1
    • 2012-03-15
    • PCT/US2011/050838
    • 2011-09-08
    • CERRANO, Jason
    • CERRANO, Jason
    • A62C3/00
    • A62C31/02A62C2/00A62C37/00A62C37/38G05B19/058G05B2219/41302G08B5/38
    • Systems and methods are described herein for remotely controlling the operation of a fire-fighting device coupled to a pump and a valve. The system may comprise a base component and a remote component. The base component comprises a transceiver operable to control operation of the fire-fighting device. The remote component comprises a transceiver configured to wirelessly communicate with the base component and is positioned near a discharge end of a hose coupled to the fire-fighting device wherein an input end of the hose coupled to the fire-fighting device. The remote component also includes an input device for receiving input from a user and is configured to wirelessly communicate the received input to the base component. The base component is configured to control at least one of the pump and the valve based on the received input communicated to the fire-fighting device subject to a set of rules.
    • 本文描述了用于远程控制联接到泵和阀的消防装置的操作的系统和方法。 系统可以包括基本组件和远程组件。 基座组件包括可操作以控制消防装置的操作的收发器。 远程组件包括被配置为与基座部件无线通信并且被定位在与灭火装置相连的软管的排放端附近的收发器,其中软管的输入端连接到消防装置。 远程组件还包括用于从用户接收输入并被配置为将接收到的输入无线地传送到基本组件的输入设备。 基座部件被配置为基于接收到的输入信号来控制泵和阀中的至少一个,该输入通过一组规则传送到消防装置。