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    • 1. 发明专利
    • Motor synchronization control device
    • 电机同步控制装置
    • JP2010178510A
    • 2010-08-12
    • JP2009018618
    • 2009-01-29
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUDA TSUYOSHITANABE AKIRATAKEYAMA TORUSAWAKI JUN
    • H02P5/00
    • PROBLEM TO BE SOLVED: To obtain a motor synchronization control device which can maintain synchronization of each shaft with high accuracy, even if limits are imposed to a control input of each shaft. SOLUTION: The motor synchronization control device is such that the control device includes a formation amount synchronizing section 4a which uses, as an input, a position correction amount for correcting a position difference of own shaft motor which is the difference between a position command, which is generated by each of two or more motor drive control devices individually driving the two or more shafts and is common to each shaft, and a position detection value detected by own shaft motor, and selects a position correction amount which is the latest in responsiveness from between two or more position correction amounts as a synchronization post-position correction amount; and each of the two or more motor drive control devices calculates a control input to own shaft motor, by using a corrected position difference which is obtained by subtracting the synchronization post-position correction amount from the position difference of own shaft. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使对每个轴的控制输入施加限制,获得能够高精度地保持每个轴的同步的电动机同步控制装置。 电动机同步控制装置使得控制装置包括形成量同步部4a,其使用用于校正自身轴电动机的位置差的位置校正量作为输入,位置校正量是位置 指令,其由分别驱动两个以上的轴的两个以上的电动机驱动控制装置中的每一个生成,并且是每个轴共用的,以及由本轴电动机检测的位置检测值,并且选择最新的位置校正量 在两个或更多个位置校正量之间作为同步位置校正量的响应性; 两个以上的电动机驱动控制装置中的每一个通过使用通过从自身轴的位置差减去同步位置校正量而获得的校正位置差来计算对自身轴电动机的控制输入。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Motor controller
    • 电机控制器
    • JP2014023214A
    • 2014-02-03
    • JP2012157747
    • 2012-07-13
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANABE AKIRA
    • H02P29/00
    • PROBLEM TO BE SOLVED: To provide a motor controller which specifies a factor of abnormality occurrence in a shorter time.SOLUTION: A motor controller 100 includes control means of driving a motor 1 on the basis of a command signal commanding the operation of the motor 1 and a detection signal as a detection result of the operation of the motor; abnormality detection means 9 of detecting abnormality of the motor on the basis of the detection signal, the driving position and driving speed of a load machine that the motor drives, and an observation signal which is a signal generated in the control means or an external sensor signal; abnormal-time data storage means 11 of storing values of a plurality of observation signals in abnormality occurrence a plurality of times each time abnormality occurs; and dependency determination means 12 of extracting an observation signal that the abnormality occurrence depends upon based upon values of the plurality of observation signals in the abnormality occurrence which are stored in the abnormal-time data storage means.
    • 要解决的问题:提供一种在较短时间内指定异常发生的因素的电动机控制器。解决方案:电动机控制器100包括基于指令电动机1的操作的指令信号来驱动电动机1的控制装置 以及作为电动机的操作的检测结果的检测信号; 异常检测装置9,其基于检测信号,电动机驱动的负载机械的驱动位置和驱动速度以及在控制装置或外部传感器中产生的信号的观测信号来检测电动机的异常 信号; 异常时数据存储装置11,每当发生异常时多次存储异常发生的多个观察信号的值; 以及依赖关系确定装置12,其基于存储在异常时间数据存储装置中的异常发生中的多个观察信号的值提取异常发生所依赖的观测信号。
    • 3. 发明专利
    • Motor control unit having protection function
    • 具有保护功能的电机控制单元
    • JP2010252493A
    • 2010-11-04
    • JP2009098381
    • 2009-04-14
    • Mitsubishi Electric Corp三菱電機株式会社
    • TERADA HIROSHITANABE TETSUYAYOSHIDA MASAHIKOTANABE AKIRA
    • H02P29/00
    • PROBLEM TO BE SOLVED: To obtain a motor control unit having protection functions capable of avoiding alarm stop with simple configurations. SOLUTION: The motor control unit receives a command or a starting signal from a controller, controls a motor for driving various kinds of machines, and outputs an operation completion signal to the controller. The motor control unit observes or estimates an effective load rate or a physical quantity for temperature of at least one of the motor control unit, the motor, and the machine. When determining that there is a high possibility of an overload the motor control unit receives the next command or starting signal from the controller, and then performs an overload avoidance operation for lengthening the standby time up to the output of an operation completion signal to the controller. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:获得具有能够以简单配置避免报警停止的保护功能的电动机控制单元。 解决方案:电机控制单元从控制器接收命令或启动信号,控制用于驱动各种机器的电机,并向控制器输出操作完成信号。 电动机控制单元观察或估计电动机控制单元,电动机和机器中的至少一个的有效负载率或温度的物理量。 当确定存在过载的可能性高时,电动机控制单元从控制器接收下一个命令或起动信号,然后执行过载避免操作,以将待机时间延长到操作完成信号的输出到控制器 。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Motor drive control device
    • 电机驱动控制装置
    • JP2010178509A
    • 2010-08-12
    • JP2009018617
    • 2009-01-29
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUDA TSUYOSHITANABE AKIRATAKEYAMA TORUSAWAKI JUN
    • H02P29/00G05B11/32G05B11/36G05B11/42G05B19/19G05B19/404
    • PROBLEM TO BE SOLVED: To obtain a motor drive control device which can prevent the deterioration of control performance, without fail, and the unstable operation of a control system caused by the saturation of a control input. SOLUTION: A reference position difference calculation section 4a calculates a reference position difference d for making the control input h coincide with a reference control input b, on the basis of a relationship between an output and an input of a control input calculation section 7. When the absolute value of the reference position difference d is smaller than the absolute value of a position difference e, a position correction amount calculating part 5a calculates a position correction amount f so that the position difference e coincides with the reference position difference d and outputs it; and when the absolute value of the reference position difference d is larger than the absolute value of the position difference e, the position correction amount calculation section sets the position correction amount f to zero and outputs it. A command value generating section 6a sets a corrected position difference g which is generated, by subtracting the position correction amount f from the position difference e, as an input signal of the control input calculating section 7. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:获得可以防止控制性能劣化的电机驱动控制装置,以及由控制输入的饱和引起的控制系统的不稳定操作。 解决方案:基准位置差计算部分4a基于控制输入计算部分的输出和输入之间的关系,计算用于使控制输入h与参考控制输入b一致的参考位置差d 当基准位置差d的绝对值小于位置差e的绝对值时,位置校正量计算部分5a计算位置校正量f,使得位置差e与基准位置差d 并输出; 并且当基准位置差d的绝对值大于位置差e的绝对值时,位置校正量计算部将位置校正量f设定为零并输出。 指令值生成部6a通过从位置差e减去位置校正量f来设定校正位置差g作为控制输入计算部7的输入信号。版权所有(C)2010 ,JPO&INPIT
    • 5. 发明专利
    • Selecting apparatus for motors and motor control devices
    • 选择电机和电机控制装置
    • JP2014182443A
    • 2014-09-29
    • JP2013054924
    • 2013-03-18
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANABE AKIRA
    • G06Q30/06
    • PROBLEM TO BE SOLVED: To obtain a selecting apparatus for motors and motor control devices that can, when motors and motor control devices satisfying user-inputted conditions are to be displayed as selection candidates, additionally display motors and motor control devices satisfying changed input conditions as changed selection candidates and, moreover, changed quantities of the input conditions.SOLUTION: A selecting apparatus comprises: a characteristics database in which the respective groups of characteristics data of a plurality each of motors and of motor control devices are set; a selection calculating unit for figuring out as selection candidates motors and motor control devices satisfying inputted machine conditions and operating conditions; a selection change calculating unit for figuring out input conditions necessary for using motors and motor control devices different from the selection candidates and quantities changed from the input conditions for the selection candidates; and a display unit for displaying, when the selection candidates are to be displayed, changed selection candidates and the changed quantities of the input conditions.
    • 要解决的问题:为了获得用于电动机和电动机控制装置的选择装置,当能够将满足用户输入条件的电动机和电动机控制装置显示为选择候选时,可以将满足改变的输入条件的电动机和电动机控制装置另外显示为 改变的选择候选,并且还改变输入条件的数量。解决方案:选择装置包括:特性数据库,其中设置多个电动机和电动机控制装置的各个特征数据组; 选择计算单元,用于确定满足输入的机器条件和操作条件的选择候选电动机和电动机控制装置; 选择变化计算单元,用于计算使用与选择候选不同的电动机和电动机控制装置所需的输入条件和从选择候选的输入条件改变的量; 以及显示单元,用于当要显示选择候选时,显示改变的选择候选和输入条件的改变量。
    • 6. 发明专利
    • Motor drive controller
    • 电机驱动控制器
    • JP2014007790A
    • 2014-01-16
    • JP2012139835
    • 2012-06-21
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUDA TSUYOSHITANABE AKIRA
    • H02P3/06
    • PROBLEM TO BE SOLVED: To provide a motor drive controller which can easily make switching from a speed control system to a position control system shortest according to acceleration which a motor can produce.SOLUTION: The motor drive controller which drives and controls a motor has: a control input calculation unit 13 which calculates a control input U to a motor 3 on the basis of a position deviation DRP which is the difference of a position instruction X and a position detection value B; a reference control input calculation unit 12 which calculates maximum acceleration of the motor 3 on the basis of the position detection value B and the control input U, calculates required deceleration necessary distance until deceleration stop on the basis of the maximum acceleration and the position detection value B, and calculates reference control input which is a desired value of the control input on the basis of the ratio of the deceleration necessary distance and the position deviation DRP; and a position deviation correcting unit 11 which corrects the position deviation DRP so that the control input U can be matched with the reference control input. Thereby, the control input U is calculated on the basis of a correction position deviation C.
    • 要解决的问题:提供一种电动机驱动控制器,其可以根据电动机可以产生的加速度容易地从速度控制系统到位置控制系统进行切换。解决方案:驱动和控制电动机的电机驱动控制器具有: 控制输入​​计算单元13,其基于作为位置指令X的差异的位置偏差DRP和位置检测值B来计算到电动机3的控制输入U; 基于位置检测值B和控制输入U计算电动机3的最大加速度的基准控制输入计算单元12基于最大加速度和位置检测值计算减速停止前的所需减速必要距离 B,并且基于所述减速必需距离和所述位置偏差DRP的比率来计算作为所述控制输入的期望值的基准控制输入; 以及位置偏差校正单元11,其校正位置偏差DRP,使得控制输入U能够与参考控制输入相匹配。 因此,基于校正位置偏差C来计算控制输入U.
    • 7. 发明专利
    • Insulation deterioration diagnosis device
    • 绝缘检测诊断装置
    • JP2013003004A
    • 2013-01-07
    • JP2011135346
    • 2011-06-17
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUDA TSUYOSHINAGAOKA KOTAROTANABE AKIRAWATANABE YOSHIMASA
    • G01R31/34
    • PROBLEM TO BE SOLVED: To provide an insulation deterioration diagnosis device capable of identifying an insulation deteriorated axis without switching an electric path and flexibly changing the operation frequency of a motor.SOLUTION: An insulation deterioration diagnosis device includes: a frequency component sorting unit in which a plurality of frequency components corresponding to a plurality of angular frequencies calculated by an angular frequency calculation part for calculating the angular frequency of electric angels of a plurality of motors are sorted out from a leakage current detected by a leakage current detection part for detecting the leakage current flowing through an electric path between a plurality of motors and a power supply; an insulation deteriorated axis identification unit which identifies the insulation deteriorated axis among a plurality of axes in response to the plurality of the motors based on the current amplitude of a plurality of sorted frequency components.
    • 要解决的问题:提供一种绝缘劣化诊断装置,能够识别绝缘劣化轴而不切换电路并灵活地改变电动机的工作频率。 解决方案:绝缘劣化诊断装置包括:频率分量分类单元,其中多个频率分量对应于由角频率计算部分计算的多个角频率,用于计算多个角度频率的电角度的角频率 由漏电流检测部检测出的漏电流对电动机进行分选,以检测流过多个电动机和电源之间的电路的漏电流; 绝缘劣化轴识别单元,其基于多个分类频率分量的当前振幅,响应于所述多个电动机识别多个轴中的绝缘劣化轴。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Control device
    • 控制装置
    • JP2011205856A
    • 2011-10-13
    • JP2010073226
    • 2010-03-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANABE AKIRAFURUYA SHINICHI
    • H02P27/06H02P5/46
    • PROBLEM TO BE SOLVED: To obtain a control device which can avoid influence of the motor torque fluctuation generated accompanying switching of an inverter PWM system when accuracy is required for motor operation, and obtaining effect by switching of the PWM system when the accuracy is not required for the motor operation.SOLUTION: The control device includes: a switching part which switches the PWM system used for PWM operation of the inverter out of a plurality of PWM systems; and a command determination part which does not permit the switching of the PWM system by the switching part when it is determined that a first operation is commanded by an operation command signal, and which permits the switching of the PWM system by the switching part when it is determined that a second operation is commanded by the operation command signal. In the switching part, the switching of the PWM system is not performed when the switching is not permitted by the command determining part, and the switching of the PWM system is performed when the switching is permitted by the command determining part.
    • 要解决的问题:为了获得一种控制装置,当电动机运行需要精度时,可以避免随逆变器PWM系统的切换而产生的电动机转矩波动的影响,并且当不需要精度时获得PWM系统的切换的效果 用于电动机操作。解决方案:控制装置包括:切换部分,用于从多个PWM系统中切换用于逆变器的PWM操作的PWM系统; 以及当确定由操作命令信号命令第一操作并且允许通过切换部分切换PWM系统时,不允许切换部分切换PWM系统的命令确定部件 确定由操作命令信号命令第二操作。 在切换部分中,当命令确定部分不允许切换时,不执行PWM系统的切换,并且当命令确定部件允许切换时,执行PWM系统的切换。
    • 9. 发明专利
    • Insulation deterioration diagnostic device
    • 绝缘检测诊断装置
    • JP2013130440A
    • 2013-07-04
    • JP2011279228
    • 2011-12-21
    • Mitsubishi Electric Corp三菱電機株式会社
    • WATANABE YOSHIMASANISHIZAWA HIROSHITSUDA TSUYOSHINAKAJIMA HAJIMETANABE AKIRA
    • G01R27/18G01R31/02
    • PROBLEM TO BE SOLVED: To provide an insulation deterioration diagnostic device capable of calculating an insulation resistance value of each phase and specifying a phase where insulation deterioration has occurred.SOLUTION: The insulation deterioration diagnostic device diagnoses insulation deterioration of three-phase cable wires 6a, 6b, and 6c connected between an inverter device 2 and a load device 3 driven by an inverter, and the load device 3. The device includes a zero-phase current sensor 4 for measuring a zero-phase current of a three-phase power line, a filter circuit 5 for extracting a 3rd order harmonic component and a 3n order harmonic component (n is an integer of 2 or more) from the measured zero-phase current, and an insulation resistance calculation circuit 10 for calculating the insulation resistance value of the power supply line of each phase on the basis of the 3rd order harmonic component and the 3n order harmonic component which have been extracted.
    • 要解决的问题:提供能够计算各相的绝缘电阻值并指定发生绝缘劣化的相的绝缘劣化诊断装置。解决方案:绝缘劣化诊断装置诊断三相电缆线6a, 6b和6c连接在逆变器装置2和由逆变器驱动的负载装置3之间,以及负载装置3.该装置包括用于测量三相电力线的零相电流的零相电流传感器4 ,用于从所测量的零相电流中提取3阶谐波分量和3n次谐波分量(n为2以上的整数)的滤波电路5以及用于计算绝缘电阻值的绝缘电阻计算电路10 基于三阶谐波分量和已提取的3n次谐波分量的每相电源线。
    • 10. 发明专利
    • Motor controller
    • 电机控制器
    • JP2013066342A
    • 2013-04-11
    • JP2011204643
    • 2011-09-20
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAYASHI YOSHITOMOMIYAZAKI TOMOHIROTANABE AKIRA
    • H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To obtain a motor controller which allows for enhancement of acceleration performance and control performance by correcting the follow-up delay of magnetic flux for a magnetic flux command over a wide operation region including acceleration/deceleration and load torque variation, thereby ensuring output of a predetermined torque.SOLUTION: The motor controller comprises a flux controller 13 generating an excitation current command for reducing the deviation of an estimation magnetic flux ΦS estimated in a magnetic flux estimation unit 8 from a magnetic flux command Φcom input externally, and performs drive control of an induction motor 1 by vector control. The motor controller is further provided with a flux lag compensator 16a generating a flux lag correction command Φhcom on the basis of the magnetic flux command Φcom. The flux lag correction command Φhcom is used in a subtractor 20 for taking a deviation from the estimation magnetic flux ΦS estimated by the magnetic flux estimation unit 8 in place of the magnetic flux command Φcom.
    • 要解决的问题:为了获得通过在包括加速/减速和负载转矩的宽运行区域上校正用于磁通量指令的磁通量的跟踪延迟来获得允许加强性能和控制性能提高的电动机控制器 从而确保预定扭矩的输出。 电动机控制器包括磁通控制器13,其产生励磁电流指令,用于减小在磁通量估计单元8中估计的估计磁通ΦS与从外部输入的磁通量指令Φcom的偏差,并执行驱动控制 感应电动机1通过矢量控制。 电动机控制器还设置有磁通量滞后补偿器16a,其基于磁通指令Φcom产生磁通滞后校正指令Φhcom。 在减法器20中使用通量滞后校正指令Φhcom来代替磁通量指令Φcom来估计由磁通量估计单元8估计的估计磁通ΦS的偏差。 版权所有(C)2013,JPO&INPIT