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    COUPLING STRUCTURE OF MOTOR AND ENCODER
    91.
    发明专利
    COUPLING STRUCTURE OF MOTOR AND ENCODER 失效

    公开(公告)号：JPH02176416A

    公开(公告)日：1990-07-09

    申请号：JP33104688

    申请日：1988-12-27

    Applicant: TOYOTA MOTOR CORP

    Inventor： KAWABATA YASUMI ,  MIYATANI TAKAO

    IPC: G01D5/36 ,  F16D1/06 ,  G01D5/245

    Abstract: PURPOSE:To obtain a coupling structure which can display sealing effect with soft coupling and can prevent intrusion of dust and the like by inserting one shaft into the inside of another shaft, and providing a sealing member having a specified sliding structure between both shafts. CONSTITUTION:O rings 32 and 34 are coupled into ring shaped grooves 31 and 33 in the motor shaft 12 that is part protruded from a main body case 20. An encoder shaft 30 is provided at the outside of the rings. Angles are adjusted so that two projections 40 and 36 of shafts 12 and 30 are arranged at every 90 deg.. The positions in the axial direction are adjusted so that the end surfaces of both projections 36 and 40 are aligned on the same plane. Under this state, an annular plate spring 44 is applied on the end surfaces of four projections 36 and 44. The spring 44 is fixed to the shafts 12 and 30 with four bolts. At the same time, a step 18 which is provided at the periphery of an encoder case 16 is coupled with an outer end 22 of the case 20. The cases 16 and 20 are fixed with bolts. The corner of the end 22 is chamfered. An O ring 24 is provided at the step part 18 as a sealing member. Therefore, the desirable structure wherein one shaft is slid on the inner surface of the shaft 30 is obtained.

    CONTROLLER FOR CONTROL MOTOR
    92.
    发明专利
    CONTROLLER FOR CONTROL MOTOR 失效

    公开(公告)号：JPH0255591A

    公开(公告)日：1990-02-23

    申请号：JP20654388

    申请日：1988-08-19

    Applicant: TOYOTA MOTOR CORP

    Inventor： KAWABATA YASUMI ,  INAGAKI ATSUHITO

    IPC: H02P29/00 ,  H02P29/40

    Abstract: PURPOSE:To maintain high efficiency operating condition by controlling a motor and informing the result of monitoring through an elapsing condition monitoring means at an informing time. CONSTITUTION:A controller regulates the electrical input of a control motor SM and controls the mechanical output. An elapsing condition monitoring means C2 monitors the elapsing condition of a series of works to be executed through the control motor SM. When the result of monitoring through the elapsing condition monitoring means C2 comes to the informing time stored in an informing time memory means C1, an informing means C3 informs the fact to the outside. By such arrangement, a servo system can be operated effectively with maximum efficiency.

    ABSOLUTE ENCODER
    93.
    发明专利
    ABSOLUTE ENCODER 失效

    公开(公告)号：JPS63115009A

    公开(公告)日：1988-05-19

    申请号：JP26019486

    申请日：1986-10-31

    Applicant: TOYOTA MOTOR CORP

    Inventor： KAWABATA YASUMI

    IPC: G01D5/249 ,  G01D5/06 ,  G01D5/245

    Abstract: PURPOSE:To obtain a thin, lightweight, and compact absolute encoder by performing rotary transmission by magnetized bodies arranged at the peripheral surface parts of plural detection disks. CONSTITUTION:A detection disk 9 is fixed to a loader in a stator and rotates according to its rotation. Further, an annular projection part 10 concentric with the loader is formed. Detection disks 13 and 14 which are smaller in diameter than the detection disk 9 are arranged, and the detection disk 13 is supported pivotally on a shaft body provided to an upper lid stator so that its outer peripheral flank faces the projection part 10 across an extremely small gap. The detection disk 14 is arranged on the same plane with the detection disk 13 and supported pivotally on the upper lid stator so that its outer peripheral flank faces the outer peripheral flank of the detection disk 13 across an extremely small gap. Then, the magnetized bodies 10A, 13A, and 14A are formed on the outer peripheral surfaces of the projection part 10 and detection disks 13 and 14 so that N and S poles are arranged alternately, and consequently the detection disks are put in a magnet gear coupling state without contacting each other. Therefore, the detection disks 13 and 14 also rotate by the rotation of the detection disk 9. Namely, a rotary transmission mechanism consists of only the detection disks.

    Method and apparatus for locating insulation failure of stator
    94.
    发明专利
    Method and apparatus for locating insulation failure of stator 审中-公开
    定位器绝缘失效的方法和装置

    公开(公告)号：JP2005069745A

    公开(公告)日：2005-03-17

    申请号：JP2003297086

    申请日：2003-08-21

    Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

    Inventor： KAWABATA YASUMI ,  KOGURE SHINJI ,  AKAO NORIHIKO ,  NAGAO MASAYUKI ,  HOZUMI TADAHIRO

    IPC: G01R31/02 ,  G01R31/12 ,  G01R31/34 ,  H02K11/00

    Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for locating an insulation failure of a stator, which can locate a circumference of the stator where the insulation failure exists. SOLUTION: In the method for locating the insulation failure of the stator, for example, in locating the insulation failure of the stator 50 having a stator iron core 60, an U-phase winding 71, a V-phase winding 72, and a W-phase winding 73, a specified voltage is applied to the U-phase winding 71, the V-phase winding 72 or the W-phase winding 73 so that mobile antennas 111b, 111c, 112b, and 112c for receiving an electromagnetic wave emitted by a partial discharge are relatively moved circumferentially with respect to the stator 50, in the state that the partial discharge is repeatedly generated at the insulation failure part of the U-phase winding 71, the V-phase winding 72 or the W-phase winding 73. The insulation failure is located on the basis of the mobile antenna signal detected by the mobile antennas 111b, 111c, 112b, and 112c. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：提供一种用于定位定子的绝缘故障的方法和装置，其可以定位存在绝缘故障的定子的圆周。 解决方案：在用于定位定子绝缘故障的方法中，例如，在定子铁芯60，U相绕组71，V相绕组72的定子50的定位中， 和W相绕组73，对U相绕组71，V相绕组72或W相绕组73施加规定的电压，使得用于接收电磁波的移动天线111b，111c，112b和112c 在U相绕组71的绝缘失效部分，V相绕组72或W相绕组72上重复产生局部放电的状态下，通过局部放电发出的波相对于定子50相对移动。 相位绕组73.绝缘故障基于由移动天线111b，111c，112b和112c检测到的移动天线信号而定位。 版权所有（C）2005，JPO＆NCIPI

    POWER-OUTPUTTING APPARATUS AND ITS CONTROL METHOD
    95.
    发明专利
    POWER-OUTPUTTING APPARATUS AND ITS CONTROL METHOD 失效

    公开(公告)号：JP2002058113A

    公开(公告)日：2002-02-22

    申请号：JP2000237886

    申请日：2000-08-07

    Applicant: TOYOTA MOTOR CORP

    Inventor： KAWABATA YASUMI ,  KANAMORI AKIHIKO ,  UCHIDA MASATOSHI

    IPC: F02D29/06 ,  B60K6/20 ,  B60K6/448 ,  B60L11/18 ,  B60L50/16 ,  B60W10/08 ,  B60W10/26 ,  B60W20/00 ,  B60K6/02 ,  B60L11/14

    Abstract: PROBLEM TO BE SOLVED: To cause a battery to fully exhibit its performance, and to reduce the size of an apparatus. SOLUTION: An output requirement BP* for the battery is computed (S110) on the basis of the operation point of an engine and the output (torque command) of a motor set with respect to a request output to the drive shaft. The output (torque command) of the motor is corrected (S118, S120), so that the output requirement BP* does not become larger than the instantaneous output Pmax set, on the basis of a battery SOC and a battery temperature T, when the output requirement BP* is larger than the rated output of a battery. The operation of the motor is controlled (S122), on the basis of the set or corrected torque command, along with controlling the operation of the engine by the operation point set being restricted to an outputtable time Δt. As a result of this, the battery can fully to exhibit its performance level. And reduce the size of the battery, as well as the apparatus, as compared to one whose output is restricted to the rated output.

    MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD AT STATING TIME
    96.
    发明专利
    MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD AT STATING TIME 失效

    公开(公告)号：JP2002044987A

    公开(公告)日：2002-02-08

    申请号：JP2000223807

    申请日：2000-07-25

    Applicant: TOYOTA MOTOR CORP

    Inventor： KOIDE SATOSHI ,  KAWABATA YASUMI ,  YAMADA EIJI

    IPC: H02P1/52 ,  H02P6/06 ,  H02P6/08 ,  H02P6/18 ,  H02P6/182 ,  H02P6/21 ,  H02P21/00 ,  H02P21/14 ,  H02P21/18 ,  H02P21/22 ,  H02P21/24 ,  H02P21/28 ,  H02P21/34 ,  H02P23/14 ,  H02P27/06 ,  H02P27/08 ,  H02P7/63

    Abstract: PROBLEM TO BE SOLVED: To more properly calculate an electrical angle at the startup of a rotor of a synchronous motor which is driven by a sensor-less control. SOLUTION: The electrical angle is calculated M+1 times, using a well known electrical angle calculation method which deduces the electrical angle of the rotor using deviations at the startup of phase currents, in a three phase short-circuiting by taking respective phase currents Iu, Iv, Iw which are detected at three phase short-circuiting as the deviations at the starting-up of the phase currents at three-phase short-circuiting (S104), and the number of revolution is calculated M times, according to the electrical angles calculated (S108). Then the mean of the numbers of revolution calculated M times is set as the number of revolutions N at the start-up time (S112); the electrical angle calculated last is set as an electrical angle θ at the starting (S114); and using these a normal control of the synchronous motor is started (S116). A more proper electrical angle and the number of revolution can be inferred, even if the switching start time of the inverter is different from the control starting time of the motor.

    APPARATUS AND METHOD FOR CONTROL OF MOTOR
    100.
    发明专利
    APPARATUS AND METHOD FOR CONTROL OF MOTOR 失效

    公开(公告)号：JPH11332298A

    公开(公告)日：1999-11-30

    申请号：JP15357298

    申请日：1998-05-18

    Applicant: TOYOTA MOTOR CORP

    Inventor： KOIDE SATOSHI ,  KAWABATA YASUMI ,  YAMADA EIJI

    IPC: H02P6/10 ,  H02P21/00 ,  H02P27/04

    Abstract: PROBLEM TO BE SOLVED: To reduce pulsation in a torque in an AC motor. SOLUTION: A current setting part 212 which sets the target current of a d-axis and of a q-axis according to the speed of rotation and the required torque of a motor is installed. On the basis of the target current which is set, a voltage command is set by a PI control operation. By a PWM control operation according to the voltage command, a current is made to flow to every phase of the motor. By repeating this processing, the operation of the motor is controlled. As a current map 214 which is used by the current setting part 212 in order to set the target current, the map 214 in which the target current is changed according to an electrical angle is prepared. In addition, a sensor which detects the electrical angle of the motor is installed. The current setting part 21 sets the target current by taking into consideration the electrical angle which is detected. Thereby, the pulsation of a torque during the rotation of the motor can be reduced.

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