公开(公告)号：US20210234488A1

公开(公告)日：2021-07-29

申请号：US17228944

申请日：2021-04-13

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Xikai Sun ,  Jadav Das ,  Tracy M. Clark ,  Robert H. Schmidt ,  Neil R. Bentley

IPC: H02P25/064 ,  B65G23/23 ,  H02K41/03 ,  H02K11/00 ,  H02K11/04 ,  B65G35/06

Abstract: A system for wirelessly transmitting power between a track and independent movers in a motion control system includes a pick-up coil provided proximate to the magnets on the movers. The fundamental component of the voltage applied to the drive coils interacts primarily with the magnetic field generated by the permanent magnets on the movers and not with the pick-up coil. Consequently, the pick-up coil does not interfere with desired operation of the movers but rather, interacts primarily with the harmonic components and has current and voltages induced within the pick-up coil as a result of the harmonic components. The energy captured by the pick-up coil reduces the amplitude of eddy currents on the mover. After harvesting the harmonic content, the pick-up coil may be connected to another circuit on the mover and serve as a supply voltage for the other circuit.

公开(公告)号：US20210184545A1

公开(公告)日：2021-06-17

申请号：US16713119

申请日：2019-12-13

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Xikai Sun ,  Robert H. Schmidt ,  Dayin Xu

IPC: H02K11/35 ,  H02K3/42 ,  H02K11/33 ,  H02K21/16 ,  H04B1/40

Abstract: A contactless Ethernet communication technique adapted for communication between a rotor and a stator in a rotating machine is disclosed. Power is supplied to the rotor via a contactless power transfer system. The power energizes a transmitter on the rotating machine to generate data packets in an industrial protocol, such as EtherNet/IP, for transmission on an Ethernet physical link layer. A rotary coupler, such as a digital rotary transformer, is provided between the rotor and stator, where a rotating member on the rotor is communicatively coupled to a stationary member on the stator. The data packet is transmitted in the industrial protocol via the rotary coupler. A receiver on the stationary side may receive the data packet where some initial processing may be performed and the data retransmitted. Alternately, a network device may receive the data packet and pass it along the industrial network to a remote device for further processing.

公开(公告)号：US10809101B2

公开(公告)日：2020-10-20

申请号：US16809195

申请日：2020-03-04

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Xikai Sun ,  Peter M. Smit ,  Mark R. Cooper ,  Oliver C. Haya ,  Nanwei Yao

IPC: G01D5/20 ,  H02K11/225

Abstract: A curvilinear encoder is provided in which an incremental or absolute position for a cart can be detected on a track by applying one or more excitation signals and receiving one or more pick up signals. Analogous to a transformer arrangement, an encoder mover can be placed on the cart moving along the track, and an encoder stator can be placed on the track separated by a gap. The one or more excitation signals can be applied to the one or more excitation coils on the mover or the stator to generate one or more magnetic fields, and the one or more pick up signals can be received by one or more pick up coils on the mover or the stator for sensing changes in the magnetic fields produced by motion of the mover on the track.

公开(公告)号：US20190068101A1

公开(公告)日：2019-02-28

申请号：US15686752

申请日：2017-08-25

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Xikai Sun ,  Peter M. Smit ,  Oliver C. Haya ,  Mark R. Cooper ,  Nanwei Yao

IPC: H02P25/064 ,  H02P27/06 ,  H02J50/10 ,  H02P6/00 ,  H02P6/04 ,  H02K41/03

CPC classification number: H02P25/064 ,  B60L15/005 ,  B60L15/007 ,  B60L2200/26 ,  B65G54/02 ,  H01F38/14 ,  H02J50/10 ,  H02K41/031 ,  H02P6/006 ,  H02P6/04 ,  H02P27/06

Abstract: A system and method for wirelessly providing power to independent movers traveling along a track includes a sliding transformer to transfer power between the track and each mover. The sliding transformer includes a primary winding extending along the track and a secondary winding mounted to each mover. Each of the primary and secondary windings may be formed of a single coil or multiple coils. The primary and secondary windings are generally aligned with each other and extend along the track and along the mover in the direction of travel with an air gap present between the windings. A power converter on the mover may regulate the power supplied to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover.

公开(公告)号：US10217555B2

公开(公告)日：2019-02-26

申请号：US14972588

申请日：2015-12-17

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Xikai Sun ,  Wei Qian ,  Shaofeng Zhang ,  Haihui Lu ,  Lixiang Wei ,  Yuan Xiao ,  Jiangang Hu ,  Richard A. Lukaszewski

IPC: H01F27/28 ,  H01F27/08 ,  H01F3/10 ,  H01F27/30

Abstract: For reducing volume requirements and magnetic flux leakage, a compact inductor includes a first planar core with a first core thickness along a first axis orthogonal to a plane of the first planar core. In addition, the inductor includes a second planar core disposed parallel to the first planar core with a second core thickness along the first axis. The inductor further includes a plurality of electrical windings disposed between and adjacent to an inside plane of the first planar core and an inside plane of the second planar core. The electrical windings may include insulated electrical wires. No magnetic teeth may be disposed between the first planar core and the second planar core. The first axis is parallel to a magnetic axis of each electrical winding.

公开(公告)号：US11715977B2

公开(公告)日：2023-08-01

申请号：US17702296

申请日：2022-03-23

Applicant: Rockwell Automation Technologies, Inc.

Inventor： John Floresta ,  Peter J. Bruder ,  Xikai Sun ,  Peter M. Smit ,  Oliver C. Haya ,  Mark R. Cooper ,  Nanwei Yao

IPC: H02P27/06 ,  H02J50/10 ,  B60L15/00 ,  H01F38/14 ,  H02J50/30 ,  B60L5/00 ,  H02P25/064 ,  H02J50/40 ,  H02J7/00 ,  H02K7/18 ,  H02K41/03 ,  H02P6/04 ,  B65G54/02

CPC classification number: H02J50/10 ,  B60L5/005 ,  B60L15/007 ,  H01F38/14 ,  H02J7/0068 ,  H02J50/30 ,  H02J50/40 ,  H02K7/1846 ,  H02K41/031 ,  H02P6/04 ,  H02P25/064 ,  H02P27/06 ,  B65G54/02

Abstract: A system and method for providing power to independent movers traveling along a track in a motion control system without requiring a fixed connection between the mover and a power source external to the mover. In one embodiment, a sliding transformer transfers power between the track and each mover. In another embodiment, an optical transmitter transfers power between the track and an optical receiver mounted on each mover. In yet another embodiment, a generator includes a drive wheel engaging the track as each mover travels along the track. A power converter on the mover receives the power generated on and/or transmitted to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover.

公开(公告)号：US20220324663A1

公开(公告)日：2022-10-13

申请号：US17224322

申请日：2021-04-07

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Shankha S. Seal ,  Jadav Das ,  Tracy M. Clark ,  Michaela R. Kaufmann ,  Dayin Xu ,  Xikai Sun ,  John Floresta

IPC: B65G67/12 ,  B60W40/114 ,  B60W40/112 ,  B60W40/11

Abstract: A system and method of determining orientation of a physical location on a cart or end effector located on the cart in an independent cart. system receives a feedback signal from a sensor on the cart, A multi-axis device may generate three or more signals corresponding to X, Y, and Z axes orientations. Processing may be performed on the signals to generate a value of yaw, pitch, or roll of the cart. The feedback or processed signals are transmitted from the mover to a remote device external from the track. The real-time orientation information may be used to implement closed-loop control of an actuator mounted on or external to each cart as the cart travels along the track, Power for the devices on the mover may be provided by a battery mounted on the cart or by a wireless power transfer system.

公开(公告)号：US20220216733A1

公开(公告)日：2022-07-07

申请号：US17702296

申请日：2022-03-23

Applicant: Rockwell Automation Technologies, Inc.

Inventor： John Floresta ,  Peter J. Bruder ,  Xikai Sun ,  Peter M. Smit ,  Oliver C. Haya ,  Mark R. Cooper ,  Nanwei Yao

IPC: H02J50/10 ,  B60L15/00 ,  H01F38/14 ,  H02J50/30 ,  B60L5/00 ,  H02P25/064 ,  H02J50/40 ,  H02J7/00 ,  H02K7/18 ,  H02K41/03 ,  H02P6/04 ,  H02P27/06

Abstract: A system and method for providing power to independent movers traveling along a track in a motion control system without requiring a fixed connection between the mover and a power source external to the mover. In one embodiment, a sliding transformer transfers power between the track and each mover. In another embodiment, an optical transmitter transfers power between the track and an optical receiver mounted on each mover. In yet another embodiment, a generator includes a drive wheel engaging the track as each mover travels along the track. A power converter on the mover receives the power generated on and/or transmitted to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover.

公开(公告)号：US11329510B2

公开(公告)日：2022-05-10

申请号：US16800616

申请日：2020-02-25

Applicant: Rockwell Automation Technologies, Inc.

Inventor： John Floresta ,  Peter Bruder ,  Xikai Sun ,  Peter M. Smit ,  Oliver C. Haya ,  Mark R. Cooper ,  Nanwei Yao

IPC: H02P6/04 ,  H02J50/10 ,  B60L15/00 ,  H01F38/14 ,  H02J50/30 ,  B60L5/00 ,  H02P25/064 ,  H02J50/40 ,  H02J7/00 ,  H02K7/18 ,  H02K41/03 ,  H02P27/06 ,  B65G54/02

Abstract: A system and method for providing power to independent movers traveling along a track in a motion control system without requiring a fixed connection between the mover and a power source external to the mover. In one embodiment, a sliding transformer transfers power between the track and each mover. In another embodiment, an optical transmitter transfers power between the track and an optical receiver mounted on each mover. In yet another embodiment, a generator includes a drive wheel engaging the track as each mover travels along the track. A power converter on the mover receives the power generated on and/or transmitted to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover.

公开(公告)号：US11181393B2

公开(公告)日：2021-11-23

申请号：US16847946

申请日：2020-04-14

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Peter M. Smit ,  Xikai Sun ,  Jadav Das

IPC: G01B7/14 ,  G01B7/30 ,  G01R33/06 ,  H01L43/06 ,  G01D5/14 ,  G01D5/12 ,  G01D11/24 ,  G01R33/07 ,  G01R33/09 ,  G01R33/00

Abstract: By configuring an encoder scale as a varying scale with successively increasing or decreasing pitch, sensors in a travel path of the scale can detect a phase difference to determine an absolute position of the scale for use in an industrial control system. Due to the successively increasing or decreasing pitch, each sensor can detect successively increasing or decreasing properties (such as magnetic fields) from the scale in a uniquely identifiable pattern. By taking the difference between readings of adjacent sensors, each sensor detecting properties of the scale, an absolute position of the scale between the sensors can be determined. The principle for feedback for the encoder system is analogous to a Nonius or Vernier principle to determine absolute position.