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    • 2. 发明公开
    • DISPLAY DEVICE, DISPLAY CONTROL METHOD, PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM
    • 显示设备,显示控制方法程序和记录介质的计算机可读
    • EP2549347A4
    • 2014-03-19
    • EP11755966
    • 2011-01-27
    • OMRON TATEISI ELECTRONICS CO
    • MORIYA TOSHIHIRO
    • G05B19/4069
    • G05B19/4069G05B2219/35353G05B2219/42307
    • To provide a display device displaying an error between an instructed command position of a specific portion of a control target and a response position of the specific portion in a manner easily understandable to a user. The display device acquires a response position of a specific portion based on a command value, and calculates a difference in position of the command position and the response position. The display device determines whether or not the difference is greater than or equal to a threshold value. The display device displays on a screen a spatial trajectory based on the command position or a spatial trajectory based on the response position, and a mark indicating a portion of the trajectory in which the difference is determined to be greater than or equal to the threshold value. The display device also displays each spatial trajectory on a screen (11) in a mode where a portion of the spatial trajectory of the command position corresponding to the selected mark (FB 9) and a portion of the spatial trajectory of the response position corresponding to the relevant portion of the spatial trajectory of the command position are enlarged at a same magnification, the mode being such that each enlarged portion of spatial trajectory overlaps each other.
    • 4. 发明授权
    • DISPLAY DEVICE, DISPLAY CONTROL METHOD, PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM
    • 显示设备,显示控制方法,程序和计算机可读记录介质
    • EP2549347B1
    • 2018-05-09
    • EP11755966.6
    • 2011-01-27
    • Omron Corporation
    • MORIYA, Toshihiro
    • G05B19/4069
    • G05B19/4069G05B2219/35353G05B2219/42307
    • To provide a display device displaying an error between an instructed command position of a specific portion of a control target and a response position of the specific portion in a manner easily understandable to a user. The display device acquires a response position of a specific portion based on a command value, and calculates a difference in position of the command position and the response position. The display device determines whether or not the difference is greater than or equal to a threshold value. The display device displays on a screen a spatial trajectory based on the command position or a spatial trajectory based on the response position, and a mark indicating a portion of the trajectory in which the difference is determined to be greater than or equal to the threshold value. The display device also displays each spatial trajectory on a screen (11) in a mode where a portion of the spatial trajectory of the command position corresponding to the selected mark (FB 9) and a portion of the spatial trajectory of the response position corresponding to the relevant portion of the spatial trajectory of the command position are enlarged at a same magnification, the mode being such that each enlarged portion of spatial trajectory overlaps each other.
    • 6. 发明公开
    • ANOMALY DETECTING METHOD IN A SERVO SYSTEM
    • NECWEIS VON ANOMALIEN IN EINEM SERVOLENKSYSTEM。
    • EP0404962A1
    • 1991-01-02
    • EP90900347.7
    • 1989-12-25
    • FANUC LTD
    • MATSUBARA, S. Room 8-203 Fanuc Manshonharimomi
    • G05B19/405
    • G05B19/4062G05B2219/33286G05B2219/42194G05B2219/42268G05B2219/42307
    • An anomaly detecting method in a servo system that is capable of quickly detecting the occurrence of an anomaly even in a low revolution range is disclosed. A simulator (14) finds a position feedback (PAS) by integrating a speed instruction (Vcs) which is equal to the product of a position loop gain (PG) and an estimated position deflection (Ers) that is obtained by subtracting the position feedback (PAS) from a movement instruction (Mc) while the servo control for the servo motor is executed by the digital servo control units (11 to 13) according to a torque instruction (Tc) calculated based on the speed feedback (VA) and a speed instruction (Vc) that corresponds to a practical position deviation (Er). An extraordinary error detecting unit (15) compares a predetermined value (As) with the error (Er - Ers) between the practical position deviation and an estimated position deviation. In case any anomaly has occurred, the practical position deviation increases but there is no substantial change in the estimated position deviation generated by the simulator that approximately carries out normal servo control, whereby a difference between them reaches a predetermined value that indicates the occurrence of an anomaly and alarm is set off.
    • 公开了即使在低转速范围内能够快速检测出异常的伺服系统中的异常检测方法。 模拟器(14)通过对与位置环路增益(PG)的乘积相乘的速度指令(Vcs)和通过减去位置反馈获得的估计位置偏差(Ers)进行积分来找到位置反馈(PAS) 根据基于速度反馈(VA)计算的转矩指令(Tc)和数字伺服控制单元(11〜13)执行用于伺服电动机的伺服控制的运动指令(Mc)的运算指令(PAS),以及 对应于实际位置偏差(Er)的速度指令(Vc)。 异常误差检测单元(15)将预定值(As)与实际位置偏差与估计位置偏差之间的误差(Er-Ers)进行比较。 在发生异常的情况下,实际位置偏差增加,但由模拟器产生的大致执行正常伺服控制的估计位置偏差没有实质变化,由此它们之间的差值达到预定值, 异常和报警被关闭。
    • 8. 发明公开
    • DISPLAY DEVICE, DISPLAY CONTROL METHOD, PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM
    • ANZEIGEVORRICHTUNG,ANZEIGESTEUERVERFAHREN,PROGRAMM UND COMPUTERLESBARES AUFZEICHNUNGSMEDIUM
    • EP2549347A1
    • 2013-01-23
    • EP11755966.6
    • 2011-01-27
    • Omron Corporation
    • MORIYA, Toshihiro
    • G05B19/4069G05B17/02G05B19/05G05B19/4063G05B23/02G06F3/048
    • G05B19/4069G05B2219/35353G05B2219/42307
    • To provide a display device displaying an error between an instructed command position of a specific portion of a control target and a response position of the specific portion in a manner easily understandable to a user. The display device acquires a response position of a specific portion based on a command value, and calculates a difference in position of the command position and the response position. The display device determines whether or not the difference is greater than or equal to a threshold value. The display device displays on a screen a spatial trajectory based on the command position or a spatial trajectory based on the response position, and a mark indicating a portion of the trajectory in which the difference is determined to be greater than or equal to the threshold value. The display device also displays each spatial trajectory on a screen (11) in a mode where a portion of the spatial trajectory of the command position corresponding to the selected mark (FB 9) and a portion of the spatial trajectory of the response position corresponding to the relevant portion of the spatial trajectory of the command position are enlarged at a same magnification, the mode being such that each enlarged portion of spatial trajectory overlaps each other.
    • 提供一种显示装置,以容易被用户理解的方式显示控制目标的特定部分的指令命令位置与特定部分的响应位置之间的错误。 显示装置基于指令值取得特定部位的响应位置,并计算指令位置与响应位置的位置差。 显示装置判断差异是否大于或等于阈值。 显示装置基于命令位置或基于响应位置的空间轨迹在屏幕上显示空间轨迹,以及指示将该差异确定为大于或等于阈值的轨迹的一部分的标记 。 显示装置还以屏幕(11)的方式显示每个空间轨迹,其中与所选标记(FB 9)对应的命令位置的空间轨迹的一部分和响应位置的空间轨迹的一部分对应于 命令位置的空间轨迹的相关部分以相同的放大倍数被放大,该模式使得空间轨迹的每个放大部分彼此重叠。