公开(公告)号：US10924039B2

公开(公告)日：2021-02-16

申请号：US16357829

申请日：2019-03-19

Applicant: FANUC CORPORATION

Inventor： Ryoutarou Tsuneki ,  Satoshi Ikai

IPC: H02P3/06 ,  H02P3/04

Abstract: A motor control device for controlling a servomotor to axially move a movement target object includes: a speed detector for detecting the movement speed of the movement target object; an abnormality detector for detecting an abnormality of the speed detector; a motor controller for performing deceleration control on the servomotor to decelerate the movement target object, upon detection of the abnormality; a reference speed generator for generating a reference speed that decreases with passage of time, based on the movement speed when the movement target object decelerates and a predetermined deceleration; a speed monitor for monitoring the movement speed and determining whether or not the movement speed is equal to or greater than the reference speed; and a brake controller for actuating a brake for braking axial movement of the movement target object when the movement speed is determined to be equal to or greater than the reference speed.

公开(公告)号：US10658952B2

公开(公告)日：2020-05-19

申请号：US15033414

申请日：2014-10-20

Applicant: SEW-EURODRIVE GMBH & CO. KG

Inventor： Josef Schmidt ,  Michael Geissler ,  Maja Sliskovic ,  Dieter Groß ,  Jürgen Böckle

IPC: H02P3/04 ,  H04B3/54 ,  H02P27/16 ,  H02P29/60 ,  H02K5/22 ,  H02P27/08

Abstract: A drive system includes a power converter and a motor powered from the power converter via supply leads. An electromagnetically actuatable brake is disposed on the motor. The brake is able to be supplied and is therefore controllable from an AC/DC converter, which is powered via lines from a DC/AC converter that is powered and/or controlled by signal electronics of the power converter.

公开(公告)号：US10560041B2

公开(公告)日：2020-02-11

申请号：US15466872

申请日：2017-03-23

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Heiji Kaneda

IPC: H02P3/04 ,  H02P27/06

Abstract: An electric motor system includes an electric motor, an electric brake, a power line, and a driver. The electric brake is integrated with the electric motor and configured to generate braking force against the drive force. The driver is integrated with the electric motor and the electric brake. The power line connects the electric brake to an electric power source via the driver to supply electric power to the electric brake. The driver includes a first circuit and a conduction bypath. The first circuit connects the electric brake to the power source such that electric power is supplied to the electric brake and disconnects the electric brake from the electric power source. Electric power is to be supplied to the electric brake from the electric power source through the conduction bypath even when the first circuit disconnects the electric brake from the electric power source.

公开(公告)号：US10520050B2

公开(公告)日：2019-12-31

申请号：US15411759

申请日：2017-01-20

Applicant: KOLLMORGEN CORPORATION

Inventor： Robert Pearce ,  George B. Yundt ,  Daniel Kouba

IPC: F16D63/00 ,  H01F7/06 ,  H02P3/04 ,  H02P29/04 ,  F16D121/20

Abstract: A control circuit configured to control an electromechanical brake is provided. The control circuit includes: a switching regulator configured to control a magnitude of voltage applied to a brake coil of the electromechanical brake; wherein said switching regulator includes at least one semiconductor switch, one diode, one capacitor and one inductor; the control circuit is configured such that, in operation, at least one signal from a process sub-system specifies the magnitude of the voltage for the brake coil; and at least one brake applying control signal from a safety sub-system can cause the brake coil voltage to be reduced to a level low enough to apply the brake by opening a switch and each brake applying control signal from the safety sub-system has a corresponding diagnostic feedback signal to the safety sub-system that indicates the state of the corresponding switch. A method and a system are disclosed.

公开(公告)号：US20190296662A1

公开(公告)日：2019-09-26

申请号：US16357829

申请日：2019-03-19

Applicant: FANUC CORPORATION

Inventor： Ryoutarou TSUNEKI ,  Satoshi IKAI

IPC: H02P3/06 ,  H02P3/04

Abstract: A motor control device for controlling a servomotor to axially move a movement target object includes: a speed detector for detecting the movement speed of the movement target object; an abnormality detector for detecting an abnormality of the speed detector; a motor controller for performing deceleration control on the servomotor to decelerate the movement target object, upon detection of the abnormality; a reference speed generator for generating a reference speed that decreases with passage of time, based on the movement speed when the movement target object decelerates and a predetermined deceleration; a speed monitor for monitoring the movement speed and determining whether or not the movement speed is equal to or greater than the reference speed; and a brake controller for actuating a brake for braking axial movement of the movement target object when the movement speed is determined to be equal to or greater than the reference speed.

公开(公告)号：US09909943B2

公开(公告)日：2018-03-06

申请号：US15334570

申请日：2016-10-26

Applicant: FANUC CORPORATION

Inventor： Katsuya Ono ,  Takeshi Tamaki ,  Kaname Matsumoto

IPC: G01M19/00 ,  G01L5/28 ,  H02K7/10 ,  H02P3/06 ,  H02P3/04 ,  H02K7/102 ,  H02K11/20

CPC classification number: G01L5/28 ,  G01M99/00 ,  H02K7/10 ,  H02K7/1025 ,  H02K11/20 ,  H02P3/04 ,  H02P3/06

Abstract: A device can prevent a failure in the actuation of a braking mechanism, which is caused by adhesion of adhesive substances. The device includes a heating part for heating the braking mechanism, a heat controller for controlling a heating operation of the heating part, a brake controller for actuating the braking mechanism when the heat controller stops the heating operation, and the temperature of the braking mechanism decreases, an actuation delay measuring part for measuring an actuation delay of the braking mechanism when the brake controller actuates the braking mechanism, and a comparison part for comparing the actuation delay measured by the actuation delay measuring part with a reference value of the actuation delay of the braking mechanism.

公开(公告)号：US20170333735A1

公开(公告)日：2017-11-23

申请号：US15600025

申请日：2017-05-19

Applicant: Bailout, LLC

Inventor： Benjamin T. Krupp ,  Michael Allen Ragsdale ,  Patrick Thomas Henke ,  James R. Hendershot ,  Troy S. Owens

IPC: A62B1/08 ,  H02K7/10 ,  H02K7/104 ,  H02K49/04 ,  H02K16/00 ,  H02P3/04

CPC classification number: A62B1/08 ,  H02K7/1004 ,  H02K7/104 ,  H02K16/005 ,  H02K49/043 ,  H02K49/046 ,  H02P3/04

Abstract: A personal escape device includes a main housing, a shaft, a magnet housing, and a plurality of magnets. The shaft is rotatably coupled with the main housing and is rotatable about a rotational axis. The magnet housing is positioned in the main housing and is coupled with the shaft such that the magnet housing rotates together with the shaft. The plurality of magnets is coupled with the magnet housing such that the plurality of magnets rotates together with the magnet housing. The stator assembly is coupled with the main housing and surrounds the magnet housing. The stator assembly and the magnet housing are radially spaced from each other to define an air gap therebetween.

公开(公告)号：US09601918B2

公开(公告)日：2017-03-21

申请号：US14540536

申请日：2014-11-13

Applicant: General Electric Company

Inventor： Ara Panosyan ,  Stefan Schroeder ,  Christoph Boeld ,  Herbert Schaumberger ,  Johann Hirzinger-Unterrainer ,  Xiaoting Dong ,  Uwe Liebscher

IPC: B60L7/00 ,  H02H7/06 ,  H02P9/10 ,  H02J3/40 ,  H02J3/42 ,  H02P9/04 ,  F03D7/02 ,  H02P3/04 ,  H02P9/06 ,  F16D121/20

CPC classification number: H02H7/067 ,  F03D7/0244 ,  F03D7/0272 ,  F16D2121/20 ,  H02J3/40 ,  H02J3/42 ,  H02P3/04 ,  H02P9/04 ,  H02P9/06 ,  H02P9/102 ,  Y02E10/723 ,  Y10T307/735 ,  Y10T477/814

Abstract: An electromagnetic braking system includes an electrically conductive disc coupled to a rotatable shaft of a power generation system for operating in an island mode. The rotatable shaft is operatively coupled between a prime mover and a generator for supplying power to an island grid. The electromagnetic braking system further includes a controller for receiving at least one status or synchronization signal and for generating a control signal based on the at least one signal and an inducting unit for applying an electromagnetic braking force on the electrically conductive disc when commanded by the control signal to regulate a rotational speed of the rotatable shaft.

公开(公告)号：US09537431B2

公开(公告)日：2017-01-03

申请号：US14952841

申请日：2015-11-25

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Mitsujiro Sawamura ,  Junichi Watanabe ,  Daichi Horimai

IPC: H02K7/10 ,  H02P3/04 ,  B25J9/16 ,  B25J19/00 ,  B25J19/06 ,  F16D66/00 ,  G01L5/28 ,  G05B19/406 ,  H02P3/00 ,  F16D59/02 ,  F16D55/00 ,  F16D121/22

CPC classification number: H02P3/04 ,  B25J9/1674 ,  B25J19/0004 ,  B25J19/06 ,  F16D59/02 ,  F16D66/00 ,  F16D2055/0058 ,  F16D2066/003 ,  F16D2121/22 ,  G01L5/28 ,  G05B19/406 ,  G05B2219/41279 ,  H02P3/00 ,  H02P29/0241

Abstract: This disclosure discloses a brake diagnosis device configured to diagnose a brake of a motor with a brake. The brake diagnosis device includes a brake control part, a diagnosis part, and a signal output part. The brake control part is configured to actuate or release the brake. The diagnosis part is configured to diagnose a presence or absence of an abnormality of the brake while the brake is actuated by the brake control part. The signal output part is configured to output a signal related to a brake abnormality after the brake is released by the brake control part in a case that the diagnosis part diagnoses the brake as having an abnormality.

Abstract translation: 本公开公开了一种制动诊断装置，其被配置为利用制动器诊断电动机的制动。 制动诊断装置包括制动控制部，诊断部和信号输出部。 制动控制部分构造成致动或释放制动器。 诊断部被配置为在制动器由制动控制部驱动时诊断制动器的异常的存在或不存在。 在诊断部诊断为具有异常的情况下，信号输出部被配置为输出与制动器异常相关的信号，在刹车控制部分释放制动器之后。

公开(公告)号：US20160259369A1

公开(公告)日：2016-09-08

申请号：US15155272

申请日：2016-05-16

Applicant: Intel Corporation

Inventor： MARK E. SPRENGER ,  RUSSELL S. AOKI ,  PAUL J. GWIN ,  RALPH V. MIELE ,  SHAWN MCEUEN ,  MARK MACDONALD ,  DAVID PIDWERBECKI

IPC: G06F1/16 ,  H02N2/06 ,  G06F13/42 ,  G06F13/10 ,  G06F13/40 ,  H02P3/04 ,  G06F12/08

CPC classification number: G06F3/033 ,  E05D3/02 ,  E05D11/08 ,  E05D11/082 ,  E05D2011/085 ,  E05D2011/088 ,  G06F1/1616 ,  G06F1/1679 ,  G06F1/1681 ,  G06F1/1683 ,  H05K5/0226

Abstract: In one example an electronic device comprises a controller, a chassis comprising a first section and a second section, and a hinge assembly to connect the first section of the chassis to the second section of the chassis comprising a shaft rotatable about a first axis, a brake selectively engageable with a portion of the shaft, and an electroactive polymer (EAP) actuator coupled to the brake, wherein the EAP actuator selectively engages the brake with a portion of the shaft in response to a signal from the controller. Other examples may be described.