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    • 1. 发明授权
    • Method for coordinating motion control of a multiple axis machine
    • 用于协调多轴机器运动控制的方法
    • US5659480A
    • 1997-08-19
    • US495284
    • 1995-06-27
    • Robb Gary AndersonRobert D. LorenzAndrew Joseph Meyer
    • Robb Gary AndersonRobert D. LorenzAndrew Joseph Meyer
    • B23Q1/62B23Q5/40B23Q17/22G05B19/416G06F19/00B23D7/00G05B19/10G06F15/00
    • B23Q5/40B23Q1/623B23Q17/22G05B19/416G05B2219/43162G05B2219/50218G05B2219/50229Y10T409/309576
    • A multiple axis machine includes a plurality of servo-motors that produce movement of a member in at least two axes. The servo-motors are controlled by a computer which runs a simulation of a line shaft power train for producing movement of the member. Specifically, characteristics of a line shaft for powering the machine are defined along with characteristics of a pair of mechanical linkages with dynamically variable kinematics that are driven by the line shaft to produce movement along the two axes. The computer simulates a virtual line shaft using the line shaft characteristics and produces an angular acceleration, an angular velocity and an angular position of the virtual line shaft. The computer also simulates a pair of virtual mechanical linkages with dynamically variable kinematics based upon the linkage characteristics, and based on the angular acceleration, angular velocity and angular position of the virtual line shaft. The simulations produce control signals that operate actuators for each axis of the machine, and produce dynamically variable kinematic feedback force signals which are applied to the simulation of the virtual line shaft to simulate dynamically variable kinematic forces exerted by the mechanical linkages on the virtual line shaft.
    • 多轴机器包括多个伺服电动机,其在至少两个轴上产生构件的运动。 伺服电动机由运行模拟线轴传动系的计算机控制,以产生构件的运动。 具体来说,用于为机器供电的线轴的特征与具有动态可变运动学的一对机械连杆的特性一起被定义,所述机械连杆由线轴驱动以产生沿着两个轴的运动。 计算机使用线轴特性来模拟虚拟线轴,并产生虚拟线轴的角加速度,角速度和角位置。 计算机还基于联动特性,并且基于虚拟线轴的角加速度,角速度和角位置来模拟一对具有动态可变运动学的虚拟机械联动。 模拟产生控制信号,其操作机器的每个轴的致动器,并产生动态可变的运动学反馈力信号,其被施加到虚拟线轴的模拟,以模拟由机械连杆施加在虚拟线轴上的动态变化的运动力 。
    • 2. 发明申请
    • POSITION CONTROLLER FOR PILOT-OPERATED ELECTROHYDRAULIC VALVES
    • 导向型电动水阀的位置控制器
    • US20130068309A1
    • 2013-03-21
    • US13614116
    • 2012-09-13
    • Robb Gary Anderson
    • Robb Gary Anderson
    • F17D3/00
    • F15B19/002Y10T137/0318
    • A flow control valve includes a housing that includes a fluid inlet, a fluid outlet, a first work port and a second work port. The housing defines a spool bore and a pilot spool bore. A main stage spool is disposed in the spool bore. A pilot stage spool is disposed in the pilot spool bore. The pilot stage spool is in selective fluid communication with the main stage spool. A microprocessor includes a controller having a position controller module, a velocity transform module, and a dynamic offset module. The controller is configured to implement a training process, and to compensate for viscosity changes in the working fluid based on data obtained during the training process. Outputs of the controller are communicated to the pilot stage spool.
    • 流量控制阀包括壳体,其包括流体入口,流体出口,第一工作端口和第二工作端口。 壳体限定滑阀孔和导向滑阀孔。 主滑阀设置在滑阀孔中。 先导级阀芯设置在先导阀芯孔中。 引导级阀芯与主级阀芯选择性流体连通。 微处理器包括具有位置控制器模块,速度变换模块和动态偏移模块的控制器。 控制器被配置为实施训练过程,并且基于在训练过程中获得的数据来补偿工作流体中的粘度变化。 控制器的输出被传送到先导级线轴。