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    • 3. 发明公开
    • MOTOR CONTROLLER, MOTOR DRIVER, AND MOTOR DRIVING SYSTEM
    • 电机控制器,电机驱动器和电机驱动系统
    • EP3267575A1
    • 2018-01-10
    • EP17179233.6
    • 2017-07-03
    • Ricoh Company, Ltd.
    • SUZUKI, Haruyuki
    • H02P8/14H02P21/00
    • G05B19/40G05B19/253H02P8/14H02P8/16H02P8/18H02P8/22H02P21/0021H02P21/0089
    • A novel motor controller (100) controls a stepping motor (1) and includes a command value calculator (101) to calculate and output a speed command value (ωtgt) and an angle command value (θtgt) based on a reference clock. A control method selector (111) is included to select one of the open-loop control and the closed-loop control in accordance with the speed command value (ωtgt). A command value output unit (103, 104) is included to output a first target value as the first current command value (idt) when the open-loop control is selected and outputs a second target value as the second current command value (iqt) when the closed-loop control is selected. The motor controller (100) controls the stepping motor (1) based on the first target value (idt) when the open-loop control is selected and the second target value (iqt) when the closed-loop control is selected.
    • 新型电动机控制器(100)控制步进电动机(1),并且包括指令值计算器(101),用于基于参考时钟计算和输出速度指令值(ωtgt)和角度指令值(θtgt)。 包括控制方法选择器(111)以根据速度命令值(ωtgt)选择开环控制和闭环控制中的一个。 包括指令值输出单元(103,104),用于在选择开环控制时输出第一目标值作为第一电流指令值(idt),并输出第二目标值作为第二电流指令值(iqt) 当选择闭环控制时。 马达控制器(100)基于选择开环控制时的第一目标值(idt)和选择闭环控制时的第二目标值(iqt)来控制步进马达(1)。
    • 5. 发明公开
    • System for creating a servo control signal
    • 系统zum Erzeugen eines Servosteuerungssignals。
    • EP0014065A1
    • 1980-08-06
    • EP80300139.5
    • 1980-01-15
    • MAGICAM, INC
    • Slater, Dan
    • G05B19/25
    • G05B19/253G05B2219/34046G05B2219/41021
    • A system creates a control reference signal for a remote electrical servo device having a movable output unit wherein the velocity and position of the output unit are controlled by the magnitude of the control reference signal. This system includes a digital circuit for creating a first fixed analog signal (22) indicative of a known or desired velocity for the unit during a preselected controlled time interval and a second digital means for creating a desired time baae positional profile (32) during the preselected time interval. An encoder arrangement is employed for detecting the actual time base positional profile (34) of the servo output unit during the given time interval so that an analog signal (24) generally proportional to the algebraic difference between the actual and desired time base positional digital profile can be created at various times during the time interval. The control reference signal is then created by a summing circuit (5) as a function of both the first and second analog signals the first of which is proportional to a desired velocity and the second of which is proportional to the algebraic difference between a desired and actual position of the servo output unit.
    • 系统为具有可移动输出单元的远程电动伺服装置创建控制参考信号,其中输出单元的速度和位置由控制参考信号的大小控制。 该系统包括数字电路,用于在预选的控制时间间隔期间产生指示单元的已知或期望速度的第一固定模拟信号(22),以及用于在该预定时间间隔期间产生期望的时基位置分布(32)的第二数字装置 预选时间间隔。 采用编码器布置来在给定的时间间隔期间检测伺服输出单元的实际时基位置分布(34),使得模拟信号(24)通常与实际和期望的时基位置数字轮廓之间的代数差成比例 可以在时间间隔内的不同时间创建。 然后,控制参考信号由加法电路(5)作为第一和第二模拟信号两者的函数产生,第一和第二模拟信号与期望速度成比例,其中第二个模拟信号与期望的和期望的速度之间的代数差成比例 伺服输出单元的实际位置。
    • 10. 发明公开
    • ACCELERATION/DECELERATION CONTROLLER
    • BESCHLEUNIGUNGS- UNDVERZÖGERUNGSREGELANORDNUNG。
    • EP0320515A1
    • 1989-06-21
    • EP88905444.1
    • 1988-06-17
    • FANUC LTD
    • KAWAMURA, HideakiSasaki, TakaoFUJIBAYASHI, Kentaro
    • G05B19/407
    • G05B19/416G05B19/253G05B2219/34188G05B2219/43009
    • An accleration/deceleration controller is used for a numerical controller in which a machining program is given from an instruction tape (3) to a machine tool and is decoded to simultaneously control movements of a plurality of axles. In order to keep the continuity in the machining locus between program blocks, a comparator circuit (7) compares the actual speed of the object during the deceleration with the required speed in the next instruction data block, and inhibits a pulse distribution circuit (6) from performing the pulse distribution for the next instruction data block until the two speeds are in agreement with each other, so that the tool positioning can be effected more accurately by servo motors (1) and (2) which are accelerated and decelerated in accordance with interpolated data.
    • 从指令带(3)到机床给出加工程序,并且被解码以同时控制多个轴的运动。 为了保持块之间的加工轨迹的连续性,在下一个指令数据块中具有所需速度的减速期间的物体的实际速度以及执行下一个指令的脉冲分布的脉冲分配电路(6) 数据块,直到两个速度彼此一致,从而可以根据内插数据加速和减速的伺服电机(1)和(2)更精确地实现刀具定位。