Tsinghua University

Google Inc.

Baidu Online Network Technology (Beijing) Co., Ltd.

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

International Business Machines Corporation

General Electric Company

Thomson Licensing

Chinese Academy of Sciences

Chengdu Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Baidu USA LLC

Beijing University of Technology

Beijing Baidu Netcom Science Technology Co., Ltd

Apollo Intelligent Driving Technology (Beijing) Co., Ltd.

Jie Zhou

Wei Li

Yang Hu

Wei Yan

Lei Wang

Lin Ma

Tao Ma

Bo Li

Tao Sun

Ming Zhao

Jun Wu

Lei Deng

Zhe Qian

Dekang Lin

Xin Chen

Wei Gong

Xiao Yang

Shaohua Zhang

Eugene T Bond

Tong Rao

Xiao Xi Liu

Min Liu

Yue Zhao

Shi Lei Zhang

Yong Qin

Shilei Wen

Yunlong Li

Juan Antonio Sabate

Hao Tang

Zhiwei Shuang

Qin Shi

Peng Hu

Chi Yu

Jianjun Yang

Chao Ma

Sina Miri

Yuan Liu

Hao Li

Ruiqing Zhang

Rui Hu

Fangfang Dong

Yan Cui

Qiang Guo

Yiming Wang

Margaret Ann Wiza

Wei Xu

Jiabin Yao

Ying Cao

Xiaogang Li

Kuang Hu

Han Hu

Jiming Mao

Jianjiang Feng

Lu Zhao

Yuanyan Huang

Qingtian Wang

Gandalf Hudlow

Tieyong Zuo

Haoyang Zhang

Sheng Yang

Zhiheng Huang

Chuan Yu

Meiling Zhou

Shihao Li

Junhua Mao

Ying Ma

Guanglei Zhang

Hongli Suo

Yaming Li

Yingfang Liu

Hua Cheng

Le Guo

Haoyuan Gao

Lifeng Zhang

Juan Ao

Pu Cheng

Naibin Song

Chengzhi Qin

Xitong Wang

Shixin Gong

Xingyi Cheng

Xuanbin Si

Yijing Su

Fanglin Chen

Lu Xia

Dingrui Wan

Xiaojing He

Zonghao Zeng

Dong He

Yingxiao Zhang

Yonghua Zhu

Shuai Ye

Lingji Ma

Zili Zhang

Xiao Wei

Guangzhuang Xie

Qing Huo

Junjia Lu

Zhenen Cao

The invention discloses a system and a method for detecting a full-length fluctuation state of a scraper conveyor in a fully-mechanized coal mining working face. The detection system consists of a proximity switch trigger module of the hydraulic support base, a displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, a calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor and a full-length fluctuation state output module of the scraper conveyor. Detect the elevation angle α of the push rod of the hydraulic support through the proximity switch trigger module of the hydraulic support base, detect the telescopic amount of the piston rod of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor through the displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, the calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor calculates a fluctuation angle of the middle groove of the single-section scraper conveyor; and finally, the output module of the full-length fluctuation state of the scraper conveyor draws a full-length fluctuation curve of the scraper conveyor of the entire working face. The dynamic fluctuation change of a scraper conveyor in the vertical direction of a working face can be effectively monitored, providing a data foundation for subsequent adjustment of a fluctuation degree of the scraper conveyor.

System and method for detecting full-length fluctuation state of scraper conveyor of fully-mechanized coal mining working face

A method for image processing is disclosed herein. A computer system obtains a first image and a second image acquired by an imaging device. The computer system determines a matrix relating a first set of image points in the first image to a second set of image points in the second image. Based on the matrix, the computer system determines a set of parameters of the imaging device and a rotational relationship between the first image and the second image corresponding to poses of the imaging device. In response to determining that the first image and the second image are aligned based on the set of parameters of the imaging device and the rotational relationship between the first image and the second image, the computer system generates a composite image of the first image and the second image and causes display of the composite image.

Method, apparatus and system for image processing

Provided are a wind turbine, and a control method, a controller and a control system for the same. The control method includes: monitoring wind resource data at the location of a wind turbine and operation data of the wind turbine; identifying a complicated wind condition based on the wind resource data and the operation data; determining an accumulative proportion of time periods in which the complicated wind condition occurs within a first predetermined time period; and controlling the wind turbine to perform a protection operation, in response to the accumulative proportion of the time periods exceeding a first preset threshold.

Wind turbine generator system, and control method, controller and control system therefor

Embodiments of the present disclosure disclose a method and device for vertical correction of a panoramic image, an electronic apparatus and a storage medium. The method includes extracting a set of straight line segments from the panoramic image, where an included angle between each straight line segment in the set of straight line segments and a current vertical direction of the panoramic image is less than a preset angle. The method further includes determining a set of target points by mapping the set of straight line segments on a unit sphere of the panoramic image. The method also includes determining an equatorial plane based on the set of target points and the center of the unit sphere and determining a vertical correction matrix based on the equatorial plane and a unit vector of the current vertical direction. The method additionally includes performing the vertical correction on the panoramic image using the vertical correction matrix.

Vertical correction for panoramic image

A method for preparing a flexible display substrate is provided. The method includes: forming an isolating protective film layer on a rigid substrate; forming a flexible base on the isolating protective film layer; forming a functional layer on the flexible base; and stripping the rigid substrate to form the flexible display substrate.

Flexible display substrate and method for preparing same, and display device

Various embodiments of the present disclosure provide a casino patron engagement system that facilitates engagement among casino employees and casino patrons to engender patron loyalty.

Casino patron engagement system

The present application provides a method and a system for controlling continuous low voltage ride-through and high voltage ride-through of a permanent magnet direct-driven wind turbine. The method includes: determining a transient time period during which the wind turbine is transitioned from a low voltage ride-through state to a high voltage ride-through state; controlling the wind turbine to provide, during the transient time period, a gradually increasing active current to the point of common coupling; and controlling the wind turbine to provide, during the transient time period, a reactive current to the point of common coupling according to an operation state of the wind turbine before the low voltage ride-through state.

High-low voltage continuous ride-through control method and system for permanent magnet direct-drive wind power generating set

The present application provides a method and a system for controlling continuous high voltage ride-through and low voltage ride-through of a permanent magnet direct-driven wind turbine. The method includes: determining a transient time period during which the wind turbine is transitioned from a high voltage ride-through state to a low voltage ride-through state; controlling the wind turbine to provide, during the transient time period, a gradually increasing active current to the point of common coupling; and controlling the wind turbine to provide, during the transient time period, a reactive current to the point of common coupling according to an operation state of the wind turbine before the high voltage ride-through state.

Control method and system for continuous high and low voltage ride through of permanent-magnet direct-drive wind-driven generator set

Various embodiments of the present disclosure provide a casino floor service management system and method that integrates with a casino management system of a casino and leverages the knowledge and experience of casino floor service management system users, such as technicians, floor attendants, and hostesses, to efficiently resolve service floor events in a timely manner. Generally, the casino floor service management system of the present disclosure is configured to: (1) receive notifications from the casino management system when floor events occur, (2) automatically distinguish between service floor events and non-service floor events, (3) automatically generate work items representing the service floor events and aggregate the work items into a dynamically-updated backlog, and (4) enable casino floor service management system users to interface with the casino floor service management system to personally choose which particular work items from the backlog the casino floor service management system users will resolve.

Casino floor service management system and method

A road condition predicting method and apparatus, a computer device and a readable medium. The method comprises: obtaining N-order neighboring roads of a target road in a road network and obtaining feature information of the target road at a current time instant and feature information of N-order neighboring roads of the target road. The feature information including road conditions at the current and at at least one historical time; predicting road conditions of the target road at a preset future time according to the feature information of the target road at the current time, the feature information of the N-order neighboring roads and a pre-trained road condition predicting model. Reference is made to spatial information of the target road, namely, and to the road condition of the N-order neighboring roads of the target road at the current time instant and the road conditions at at least one historical time instant.

Road condition predicting method and apparatus, computer device and readable medium

A method and device for predicting a wind turbine fault is provided. The method includes: initializing a wind turbine model of the wind turbine; updating wind turbine model parameters of the wind turbine model based on a current environment condition and current actual wind turbine state parameters of the wind turbine periodically; establishing a variation model of the wind turbine model parameter based on historical wind turbine model parameters and corresponding historical environment conditions; predicting the wind turbine model parameters at a future moment by using the variation model of the wind turbine model parameters based on a future environment condition at the future moment; establishing a wind turbine fault model based on the historical wind turbine model parameters and corresponding historical wind turbine faults; predicting the wind turbine fault at the future moment based on the predicted wind turbine model parameters and the wind turbine fault model.

Method and device for predicting wind turbine fault

A method for detecting fatigue state of cog belt of wind power generator set is provided, including acquiring pitch angles satisfying preset condition, acquiring signal characteristic values corresponding to the pitch angles, selects from the pitch angles according to acquisition timing sequence of signal characteristic values pitch angles at which signal characteristic value changes, performing characteristic statistics on selected pitch angles to acquire characteristic statistic value and determining whether the cog belt is in fatigue state by comparing characteristic statistic value with predetermined threshold.

Method, apparatus and system for detecting fatigue state of cog belt of wind power generator set

The present disclosure provides a speaker recognition method and apparatus, a computer device and a computer-readable medium. The method comprises: receiving target speech data of a to-be-recognized user in a target group; according to the target speech data, a pre-collected speech database and a pre-trained speaker recognition model, obtaining speech output features corresponding to the target speech data and speech output features corresponding to each of said speech data in the speech database; the speaker recognition model employs a convolution neural network model; recognizing the user corresponding to the target speech data according to the speech output features corresponding to the target speech data and the speech output features corresponding to each of said speech data in the speech database. By employing the speaker recognition model based on the convolution neural network model, the present disclosure can accurately obtain the speech output features of each speech data, thereby more accurately recognizing the user corresponding to the target speech data and thereby substantially improving the efficiency of recognizing speakers.

Speaker recognition method and apparatus, computer device and computer-readable medium

Embodiments of a multimodal question answering (mQA) system are presented to answer a question about the content of an image. In embodiments, the model comprises four components: a Long Short-Term Memory (LSTM) component to extract the question representation; a Convolutional Neural Network (CNN) component to extract the visual representation; an LSTM component for storing the linguistic context in an answer, and a fusing component to combine the information from the first three components and generate the answer. A Freestyle Multilingual Image Question Answering (FM-IQA) dataset was constructed to train and evaluate embodiments of the mQA model. The quality of the generated answers of the mQA model on this dataset is evaluated by human judges through a Turing Test.

Multilingual image question answering

A method and a device for use in variable-pitch control of a wind turbine, in said method: if a current wind speed is continuously maintained at a small wind speed, then periodically detecting whether a maintained duration of a current pitch angle of a wind turbine reaches a preset duration; once the preset duration is reached, switching a current minimum pitch angle to another minimum pitch angle.

Wind turbine variable-pitch control method and device

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Beijing, China

Jie Zhou