公开(公告)号：US20180131294A1

公开(公告)日：2018-05-10

申请号：US15665843

申请日：2017-08-01

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chia-Pin WEI ,  Yu-Wei LEE ,  Wei-Shuo TSENG

IPC: H02P1/04

CPC classification number: H02P1/04 ,  H02P23/20 ,  H02P2205/07 ,  Y02P80/116

Abstract: A motor driving system is configured for driving a motor, which is under an inertial rotation status without being driven, to stably rotate from an original speed to a target speed. The motor driving system includes a sensing unit, a control unit and a driving unit. The sensing unit detects a real rotating status of the motor. The control unit is electrically connected with the sensing unit and provides a gradual acceleration command based on the real rotating status. The driving unit is electrically connected with the control unit and drives the motor to accelerate stably to the target speed according to the gradual acceleration command. In addition, a motor operation recovering method cooperated with the motor driving system is also disclosed.

公开(公告)号：US20190173401A1

公开(公告)日：2019-06-06

申请号：US16156315

申请日：2018-10-10

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Wei LEE ,  Shang-Wen HSU ,  Wei-Shuo TSENG

IPC: H02P6/17 ,  H02P6/28 ,  H02P29/024 ,  H02H7/08 ,  G01R19/165

Abstract: An electronically commutated motor driving module for driving a motor includes a voltage detector, an electronically commutated motor driver, a current detector, a voltage converter, and a controller. The voltage detector detects supply voltage to generate a voltage detection signal. The electronically commutated motor driver is supplied by the supply voltage to generate, according to an electronically commutated signal, an operating current for driving the motor. The current detector detects the operating current to generate a current detection signal. The voltage converter converts the supply voltage into an internal voltage. The controller is supplied by the internal voltage and generates the electronically commutated signal according to a plurality of control parameters. When the controller determines that a specific event has happened according to the control parameters, the controller stops generating the electronically commutated signal and then stores the control parameters.

公开(公告)号：US20140251668A1

公开(公告)日：2014-09-11

申请号：US13969940

申请日：2013-08-19

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chun-Kai CHUANG ,  Yu-Wei LEE ,  Kuo-Liang LEE

IPC: H05K3/30 ,  H05K1/18

CPC classification number: H05K3/305 ,  H05K3/3442 ,  H05K2201/2036 ,  Y02P70/613 ,  Y10T29/4913

Abstract: An automatic manufacturing process for providing buffer pads (40) for a PCB (10), includes a) providing the PCB (10); b) providing an automatic dispensing device and an adhesive (30); c) using the automatic dispensing device to dispense the adhesive (30) to a buffer zone (12) on the PCB (10); d) providing a pick-and-place machine and the buffer pads (40); e) using the pick-and-place machine to place the buffer pads (40) on the buffer zone (12) moistened with the adhesive (30); and f) curing the adhesive (30) to attach the buffer pads (40) to the PCB (10). Thus, labor is saved and manufacturing time is reduced.

Abstract translation: 一种用于为PCB（10）提供缓冲垫（40）的自动制造过程，包括：a）提供PCB（10）; b）提供自动分配装置和粘合剂（30）; c）使用自动分配装置将粘合剂（30）分配到PCB（10）上的缓冲区（12）上; d）提供拾取和放置机器和缓冲垫（40）; e）使用拾取和放置机器将缓冲垫（40）放置在用粘合剂（30）润湿的缓冲区（12）上; 以及f）固化粘合剂（30）以将缓冲垫（40）附接到PCB（10）。 因此，节省劳动力并减少制造时间。

公开(公告)号：US20250157322A1

公开(公告)日：2025-05-15

申请号：US18934257

申请日：2024-11-01

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Wei LEE ,  Ren-Chin SHR ,  Chin-Ming CHEN

IPC: G08C17/02 ,  H04B1/44 ,  H04B7/0404 ,  H04B7/155

Abstract: A wireless communication system is disclosed. The wireless communication system includes a control substrate and several energy storage devices. Each of the several energy storage devices includes an energy storage element and a node substrate. The node substrate includes a first antenna circuit and a second antenna circuit. The first antenna circuit is configured to receive the control message from the control substrate adjacent to the first antenna circuit or a first adjacent antenna circuit of a first adjacent node substrate of a first adjacent one of the several energy storage devices. The second antenna circuit is configured to transmit a reply message generated based on the control message to the control substrate adjacent to the second antenna circuit or a second adjacent antenna circuit of the first adjacent node substrate of the first adjacent one of the several energy storage devices.

公开(公告)号：US20250150398A1

公开(公告)日：2025-05-08

申请号：US18608373

申请日：2024-03-18

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Wei LEE ,  Yi-An CHEN ,  Hsiang-Ting FANG

IPC: H04L47/193 ,  H04L43/0829 ,  H04L47/34

Abstract: A method for controlling transmission control protocol performance in a wireless network is provided. The method is used in a server device and the server device is in communication with a client device based on a TCP connection. The method includes receiving a plurality of packets from a TCP layer in the server device. The method includes storing the packets in a buffer, recording the packets in a transmission list, and forwarding the packets to the client device, wherein each packet has a packet sequence number. In response to receiving a packet acknowledgment message sent from the client device, the method includes determining a packet loss rate of the client device based on the packet acknowledgment message. The method includes dynamically adjusting a congestion window size of the TCP connection based on the packet loss rate to control a transmission rate of the TCP layer.

公开(公告)号：US20240372413A1

公开(公告)日：2024-11-07

申请号：US18492804

申请日：2023-10-24

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Wei LEE ,  Chih-Kuan YEN ,  Chin-Ming CHEN

IPC: H02J50/80 ,  H04W24/08

Abstract: A wireless management system includes a controller and energy storage units. Each of the energy storage units includes an energy storage device and a node substrate. The wireless management system is configured to select a first node substrate from the node substrates based on a signal strength of each of first request signals to join a local network by the controller. The wireless management system is further configured to select a second node substrate from the node substrates based on the signal strength of each of second request signals to join the local network by the first node substrate. The wireless management system is further configured to assign a serial number corresponds to each of the energy storage units based on the local network by the controller.

公开(公告)号：US20210408947A1

公开(公告)日：2021-12-30

申请号：US17474898

申请日：2021-09-14

Applicant: Delta Electronics, Inc.

Inventor： Yu-Wei LEE ,  Shang-Wen HSU ,  Wei-Shuo TSENG

IPC: H02P6/17 ,  H02P6/28 ,  H02H7/08 ,  G01R19/165 ,  H02P29/024 ,  H02H7/09

Abstract: An electronically commutated motor driving module for driving a motor includes a voltage detector, an electronically commutated motor driver, a current detector, a voltage converter, and a controller. The voltage detector detects supply voltage to generate a voltage detection signal. The electronically commutated motor driver is supplied by the supply voltage to generate, according to an electronically commutated signal, an operating current for driving the motor. The current detector detects the operating current to generate a current detection signal. The voltage converter converts the supply voltage into an internal voltage. The controller is supplied by the internal voltage and generates the electronically commutated signal according to a plurality of control parameters. When the controller determines that a specific event has happened according to the control parameters, the controller stops generating the electronically commutated signal and then stores the control parameters.

公开(公告)号：US20190356262A1

公开(公告)日：2019-11-21

申请号：US16409863

申请日：2019-05-12

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chih-Hung HSIAO ,  Chia-Pin WEI ,  Yu-Wei LEE ,  Wei-Shuo TSENG

IPC: H02P27/14 ,  H02P23/00 ,  H02P21/22 ,  H02M7/5387

Abstract: A motor driving circuit including a first and a second driving signal output circuit is configured to selectively output a six-step square wave driving signal from the first driving signal output circuit, or a space-vector driving signal from the second driving signal output circuit to an inverter to drive a motor according to whether an operating power exceeds a power threshold. The first driving signal output circuit is configured to generate the six-step square wave driving signal. The second driving signal output circuit is configured to generate the space-vector driving signal.

公开(公告)号：US20180287537A1

公开(公告)日：2018-10-04

申请号：US15689927

申请日：2017-08-29

Applicant: Delta Electronics, Inc.

Inventor： Chih-Hung HSIAO ,  Yu-Wei LEE ,  Wei-Shuo TSENG

IPC: H02P21/22 ,  H02P21/18 ,  H02P25/03 ,  H02P27/08

CPC classification number: H02P21/22 ,  H02P21/18 ,  H02P21/26 ,  H02P25/03 ,  H02P27/085 ,  H02P2207/05

Abstract: A motor system with a current sensorless control includes a motor, a drive module, and a motor control module. The motor control module controls the motor to rotate through the drive module. The motor control module includes a command generation module, a command conversion module, and an angle generation module. The command generation module generates speed information and transmits the speed information to the angle generation module, and the command generation module generates a voltage command and transmits the voltage command to the command conversion module. The angle generation module generates an electrical angle. The command conversion module converts the voltage command and the electrical angle into a control signal. The motor control module adjusts a phase of a motor input voltage to meet a phase of a motor input current according to the control signal.