Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.

Xinjiang Goldwind Science & Technology Co., Ltd.

Cadence Design Systems, Inc.

Beihang University

Beijing Eswin Computing Technology Co., Ltd.

Jiangsu Goldwind Science & Technology Co., Ltd.

Beijing Tiantan Hospital, Capital Medical University

Guangzhou Transa Semi Information Technology Co., Ltd.

Goldwind Science & Technology Co., Ltd.

Yanhui Li

Liang Peng

Dong Wang

Xiang Zhao

Chengqian Liu

Likun Liu

Jingchao Yang

Tao Liu

Shuo Zhang

Ru Huang

Yuan Gao

Shengjun Ma

Runsheng Wang

Ye Li

Xingang Zhang

Pan Liu

Alvin Chen

Ziyang Liu

Jushan Xie

Yongjun Wang

Zhu Zhang

Jing Jing

Sujiang Rong

Zixiao Li

Huixun Li

Lingling Ding

Chunyi Huang

Bin Lan

Tianlei Guo

Shaofeng Guo

Zhuoqing Yu

Ga Liu

Si-Yu Liao

Baofu Hu

An automatic gain control system and a control method, a power detector and a radio frequency receiver are provided, wherein the power detector includes: a detection circuit, having a first and second input terminals connected to respective first and second differential output terminals of the trans-impedance amplifier, and configured to sample a peak of a differential output signal of the trans-impedance amplifier along with a clock cycle and provide a differential detection signal at a first output node; a filter circuit converts energy of the differential detection signal obtained at the first output node into an output voltage, so that the power detector may be used to detect an output power of the trans-impedance amplifier and adjust, by a control logic unit, a gain or an output power of a low noise amplifier connected to a radio frequency signal.

Automatic gain control system, control method, power detector and radio frequency receiver

The present disclosure relates to a stator support and a stator. The stator support is applied to a large-diameter electric motor. The stator support includes a stator shaft, coaxially connectable to a fixing shaft of the electric motor; a supporting assembly, coaxially arranged at an outer circumference of the stator shaft; a stator ring, connectable to a stator iron core of the electric motor, in which the stator ring includes two or more stator ring segments continuously distributed in a circumferential direction of its own, each of the stator ring segments is in a sector shape, and the two or more stator ring segments are coaxially arranged at an outer circumference of the supporting assembly.

Stator support for large-diameter electric motor and stator

A method and system for processing an intracranial large vessel image, an electronic device, and a medium are provided. The method includes: acquiring original intracranial large vessel images of a target to be identified and a sample subject; applying a cerebrovascular segmentation model to obtain cerebrovascular mask images; computing regions of interest of the cerebrovascular mask images and bounding boxes; selecting corresponding regions of interest from the original intracranial large vessel images; separately preprocessing the mask image regions of interest and the original image regions of interest to obtain images to be processed; annotating a target region in the image to be processed of the sample subject; training a convolutional neural network model with a training set to obtain a cerebrovascular occlusion classification model; and inputting the image to be processed of the target to be identified to the cerebrovascular occlusion classification model to obtain a target region identification result.

Method and system for processing intracranial large vessel image, electronic device, and medium

The present disclosure relates to a rotor of a motor, a method for maintaining the rotor of the motor, the motor and a wind-power electric generator set. The rotor of the motor includes a magnetic yoke, in which the magnetic yoke is in a cylindrical-like shape, and the magnetic yoke is configured to fix a magnet on its circumference surface; and a rotor support, including a shaft connection unit and a supporting ring, in which the shaft connection unit is coaxially connectable to a rotation shaft of a motor, the supporting ring is arranged on an outer periphery of the shaft connection unit, and the magnetic yoke is connected to the supporting ring; herein, at least one of the magnetic yoke and the supporting ring of the rotor support has a structure divided into a plurality of segments in a circumference direction of itself.

Rotor of motor, method for maintaining rotor of motor, motor and wind-power electric generator set

The disclosure relates to an electric machine and an assembling method for an electric machine. The electric machine includes: a shaft assembly including a first shaft, a second shaft coaxially disposed within an inner circumference of the first shaft, and a bearing disposed between the first shaft and the second shaft; a first revolving body coaxially connected to the first shaft, wherein the first revolving body includes an annular first adapter bracket, and a tubular structural portion extending in an axial direction is disposed at an inner circumference of the first adapter bracket; a second revolving body coaxially connected to the second shaft and disposed around an outer circumference of the first revolving body; and a guiding assembly disposed between the tubular structural portion and the first shaft to restrict a movement of the first revolving body relative to the first shaft in a circumferential direction and a radial direction.

Electric machine and assembling method for electric machine

Disclosed is a device with a stator and a rotor, the device comprising: a stator; a rotor, wherein an air gap is provided between the rotor and the stator; and an air gap protection device fixedly connected to the stator, wherein the radial distance between the air gap protection device and the rotor is less than the radial distance between the stator and the rotor, and the air gap protection device rotates relative to the rotor when in contact with the rotor. By arranging the air gap protection device fixedly connected to the stator, the air gap protection device can rotate relative to the rotor when in contact with the rotor, and the radial distance between the air gap protection device and the rotor is less than the radial distance between the stator and the rotor.

Device with stator and rotor, and wind generating set

A magnetic pole module and a rotor for a permanent magnet generator are provided. The magnetic pole module includes a base plate having a first surface and a second surface arranged opposite to each other, the base plate has a first center line extending in the first direction and a second center line extending in the second direction, the first direction is intersected with the second direction, the first center line is parallel to the central axis of the permanent magnet generator; at least one pair of magnetic steel components is fixed on the base plate, and each pair of magnetic steel components is symmetrically arranged on the first surface with respect to the second center line, each magnetic steel component includes multiple magnetic steels arranged side by side along a side of the first direction from the second center line and arranged at a predetermined angle in the second direction.

Magnetic pole module and rotor for permanent magnet generator

A rotor support, a rotor, a motor, and a wind turbine are provided. The rotor support includes a magnetic yoke and a reinforcement portion provided on a first side surface of the magnetic yoke; a second side surface of the magnetic yoke is configured to operably dispose a magnet of a rotor; the reinforcement portion covers each magnetic circuit area, which can generate a partial magnetic circuit, of the first side surface; the sum of the radial thicknesses of the reinforcement portion and the magnetic yoke overlapped is greater than a preset thickness, and the radial thickness of the magnetic yoke is less than the preset thickness.

Rotor support, rotor, motor, and wind turbine

A rotor, a motor, a reinforcement ring tool and a mounting method therefor are disclosed. A reinforcement ring tool may be mounted on the outer circumference of a rotor of a motor, the reinforcement ring tool comprising two or more separate components and two or more connecting members. The two or more connecting members correspond to the two or more separate components, and the two or more separate components are connected to each other by means of the two or more connecting members so as to form an annular body. At least two of the two or more connecting members are movable connecting members, and corresponding separate components are movably coupled to each other by means of the movable connecting members such that the reinforcement ring tool may be detachably engaged at the outer circumference of the rotor.

Rotor, motor, reinforcement ring tool and mounting method therefor

The present application relates to a rotor, an assembly method and a replacement method for integrated magnetic pole modules of rotor, and a generator. The rotor includes: a rotor yoke having a mounting surface and an outer peripheral surface which are opposite to each other in a radial direction; multiple beads, which are distributed and spaced apart on the mounting surface along a circumferential direction of the rotor yoke, in which a radial distance between each bead and the mounting surface is adjustable; multiple integrated magnetic pole modules, each of which is detachably connected between two adjacent beads, and includes a carrier plate and multiple permanent magnets arranged on the carrier plate; and multiple fixing members, in which each of the beads is mounted to the mounting surface by the fixing members, and each of the fixing members has an operation portion that can protrude from the outer peripheral surface.

Rotor, assembly method and replacement method for integrated magnetic pole modules of rotor, and generator

A device and method for rotating a rotor of a wind power generator and a wind power generator are provided. The device includes at least two rotating units, and each of the rotating units includes a telescopic cylinder, a mounting base configured to connect a fixed end of the telescopic cylinder to a stand of the wind power generator, and detachably connected to the stand; and a pin arranged at a movable end of the telescopic cylinder, configured to be releasably fixed to the rotor, and configured to drive the rotor to rotate relative to the stand by a stroke movement of the telescopic cylinder.

Device and method for rotating rotor of wind power generator and wind power generator

A method, a system and a non-transitory machine-readable storage medium are provided. In one or more aspects, a computer-implemented method for bias temperature instability (BTI) calculation of a device includes simulating the device, using an electronic design automation tool. The simulation includes determining a first degradation value after applying a first sequence of stress values to the device for a first plurality of time steps. The simulation further includes determining a first degradation recovery value after the first plurality of time steps. The simulation further includes determining a first recovered degradation value after the first plurality of time steps by combining the first degradation value and the first degradation recovery value. The first degradation value, the first degradation recovery value, and the first recovered degradation value are associated with one or more model parameters of the device. The simulation is a transient analysis simulation, and the device is a FINFET or MOSFET device.

Method of bias temperature instability calculation and prediction for MOSFET and FinFET

A permanent-magnet direct-drive wind power generator, a system and a stator thereof are provided. The stator includes a stator support, a stator iron core arranged around an outer peripheral wall of the stator support and a blade side tooth pressing plate arranged on an axial end face at a blade side of the stator iron core. At least one first air hole is provided in the outer peripheral wall of the stator support, and at least one second air hole is provided in the blade side tooth pressing plate, and further includes at least one air flow passage via which the first air hole and the second air hole are in communication with each other, and the air flow passage passes through the interior of the stator iron core. The stator can introduce air flow inside the stator support to an axial end face of the stator iron core.

Permanent-magnet direct-drive wind power generator, system and stator thereof

Growing community of inventors

Beijing, China

Yanhui Li