Zerotech (shenzhen) Intelligence Robot Co., Ltd.

Huawei Technologies Co., Limited

Zte Corporation

Smith International, Inc.

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

Zerotech (beijing) Intelligence Technology Co. Ltd.

Zerotech (chongqing) Intelligence Technology Co., Ltd.

Jianjun Yang

Hao Wang

Jing Xu

Jun Li

Hongcheng Zhuang

Lin Y Yang

Bin Chen

Jie Sun

Xuehuan Wang

Sanping Zhang

Bo Wang

Sujian Huang

Yun Liu

Ke Sun

Jie Zhou

Yan Chen

Chun Wang

Hongtao Sun

Shuaiqin Wang

Chi Yu

Fang Xie

Xingxin Zhang

Gang Xu

Weimin Chen

Siqing Ye

Bin Cheng

Feng Feng

Xiongshu Yi

Chongyang Wang

Li Wen

Mengda Mao

Linfeng Xia

Dejun Li

Xiongwei Zhu

Sunjie Wang

Qingyong Chen

Yiqiang Zheng

Qing Pu

Tinghai Lv

Shijun Wu

Haiou Gou

Xinghan Liu

Xuefeng Guo

Fang Jie

Shengbo Luo

Lihong Jiang

Shunyu Wang

Mingliang Feng

Wanhong Cai

Kaiben Sun

Yun Xie

Lun Wang

Yi Jia

Feixiang Tan

Junfeng Xiao

Yifeng Wang

Zhihai Tian

Zhiyu Ding

Bingyun Qu

Embodiments of the present invention disclose a signal transmission method and apparatus. The apparatus includes an LTE-U processing unit, a Wi-Fi processing unit, an antenna unit, and a coupling apparatus. After receiving an LTE-U signal sent by the LTE-U processing unit, the coupling apparatus divides the LTE-U signal into a first LTE-U signal to be sent to the antenna unit and a second LTE-U signal to be sent to the Wi-Fi processing unit, so that the Wi-Fi processing unit does not send a Wi-Fi signal; and after receiving a Wi-Fi signal sent by the Wi-Fi processing unit, the coupling apparatus divides the Wi-Fi signal into a first Wi-Fi signal to be sent to the antenna unit and a second Wi-Fi signal to be sent to the LTE-U processing unit, so that the LTE-U processing unit does not send an LTE-U signal.

Signal transmission method and apparatus

This application relates to a scheduling method and a device. In the scheduling method, a base station sends, at a first moment, uplink grant (UL GRANT) information to a terminal that is to perform uplink data transmission; the base station sends, at a second moment, downlink data to a terminal that is determined by the base station and that is to perform downlink data transmission, where the second moment is a moment at which the terminal that is to perform uplink data transmission sends uplink data after receiving the uplink grant information at the first moment.

Scheduling method and device

A blade icing state identification method and apparatus for a wind generator set are disclosed. The method includes setting a preset wind speed threshold and a preset rotating speed threshold, and setting the preset rotating speed threshold as a lower limit value of a maximum limited rotating speed of the wind generator set operating under a limited power condition; comparing a current wind speed and a current rotating speed of the wind generator set with the preset thresholds respectively; progressively increasing a blade icing possibility index when the current wind speed is greater than the preset wind speed threshold and the current rotating speed of the wind generator set is smaller than the preset rotating speed threshold, and otherwise, progressively decreasing the blade icing possibility index; and determining that blades are in an icing state when the blade icing possibility index is greater than a preset index.

Blade icing state identification method and apparatus for wind generator set

The present disclosure discloses a distributed antenna system. The DAS includes a signal source, a first signal generator, a first passive mixer, and a first antenna. The first signal generator is configured to: generate a first local-frequency signal, and send it to the first passive mixer by using a passive DAS line. The first passive mixer is configured to receive the first local-frequency signal, and a downlink radio frequency signal having a second radio frequency band. The first passive mixer is further configured to: perform frequency mixing processing on the received downlink radio frequency signal having the second radio frequency band by using the first local-frequency signal, to form a first downlink radio frequency signal having a first radio frequency band, and then send it to the first antenna. The first antenna is configured to transmit the received first downlink radio frequency signal having the first radio frequency band.

Distributed antenna system and signal transmission method

A method for controlling an unmanned aerial vehicle (UAV) includes: determining, by a processor, a change in a body portion of a user based on acquired images that include the body portion of the user; determining, by the processor, control data of the UAV based on the change in the body portion; and controlling, by the processor, the UAV based on the control data.

Method for controlling an unmanned aerial vehicle

Specialized computing systems, devices, interfaces and methods facilitate the simulation of downhole milling procedures such as wellbore departure milling procedures. Computing systems, devices, interfaces and methods enable a user to design and select milling components and procedures to be compared and simulated. Various milling parameters, such as milling tool parameters, whipstock parameters, and wellbore casing parameters may be accessed and selectably modified with milling and simulation interfaces to define and control the simulated milling procedures. Different types of output are selectably rendered to reflect various aspects of the simulated milling procedures.

Computing systems, tools, and methods for simulating wellbore departure

An unmanned aerial vehicle (UAV), a UAV landing control device and method. The UAV landing control method includes: receiving a trigger command; starting to monitor under control of the trigger command and outputting monitoring information based on a landing platform below the UAV, where the UAV has one or more rotors; and determining whether to control the one or more rotors of the UAV to stop rotation based on the monitoring information.

UAV and UAV landing control device and method

An unmanned aerial vehicle (UAV) includes an image capturing module disposed on the UAV, and configured to capture image data; and a controller chip coupled to the image capturing module to receive and process the image data; and the controller chip being configured to control the flight of the UAV.

Unmanned aerial vehicles

A dual-redundancy flight control system, comprises a master control system and a secondary control system. The master control system comprises a master controller, and further comprises a first inertial measurement unit (IMU), a first magnetic compass unit, and a first satellite navigation unit, each of which being connected to the master controller respectively. The secondary control system comprises a secondary controller, and further comprises a second IMU, a second magnetic compass unit, and a second satellite navigation unit, each of which being connected to the secondary controller respectively. The secondary controller is connected to the master controller via a data bus, and the master controller is connected to an electronic speed regulator of an aircraft for controlling the flight actions of the aircraft.

Dual-redundancy flight control system

A method and an apparatus for controlling an unmanned aerial vehicle (UAV) are provided. The UAV comprises at least one rotor. The method includes: receiving a take-off preparatory signal instructing the UAV to enter into a take-off preparatory state; controlling the at least one rotor of the UAV to rotate at a preset rotation speed in response to the take-off preparatory signal, wherein the preset rotation speed is smaller than a rotation speed that enables the UAV to hover in the air; and controlling the UAV to enter into a hovering mode under a predetermined condition, wherein the UAV is controlled to hover at a predetermined height in the hovering mode.

Method an apparatus for controlling unmanned aerial vehicle

A gimbal includes a base and a fixing support rotatably provided on the base, wherein the fixing support includes a first mounting seat and a second mounting seat, and the second mounting seat is provided with an inner cavity therein. An unmanned aerial vehicle including a gimbal is also provided.

Gimbal and unmanned aerial vehicle including the same

A flight monitoring system comprises a first set of flight-status detecting sensors comprising a first-type sensor Afor providing a first-type measurement result and a second-type sensor Afor providing a second-type measurement result; a second set of flight-status detecting sensors comprising a first-type sensor Bfor providing a first-type measurement result and a second-type sensor Bfor providing a second-type measurement result. The flight monitoring system further comprises a control module configured to perform: comparing a difference between the first-type measurement results from the first-type sensors Aand Bwith a first predetermined threshold; if the difference is more than the first predetermined threshold, deciding a first-type sensor data of the first-type sensors as indefinite; and determining a value of the first-type sensor data by selecting one of the first-type measurement results from the first-type sensors Aand Bas the value of the first-type sensor data according to the second-type measurement results, and setting the first-type sensor data as definite after the selection.

Flight monitoring system and method for monitoring flight of unmanned aerial vehicle

The present invention relates to a method for selecting a label switched path LSP, which is applied in an MPLS network and includes: determining an energy engineering parameter of a network element itself in the network, where the network element is a network element on any candidate LSP between a source network element and a destination network element; receiving, by the network element, Interior Gateway Protocol IGP messages sent by other network elements in the network, and obtaining an energy engineering parameter of each of the other network elements; and selecting, according to the energy engineering parameter of the network element itself and the energy engineering parameter of each of the other network elements, a transmission path for the source network element and the destination network element.

Method and network device for selecting label switched path

A flight control system is provided. The system includes a primary circuit board, a secondary circuit board electrically connected to the primary circuit board, a system on chip (SOC) integrated chip, a power management chip configured to supply power to the SOC integrated chip, an electronic speed control (ESC) driving circuit module configured to control flight speed in response to an instruction from the SOC integrated chip. In the system, the SOC integrated chip and the power management chip are arranged on the primary circuit board, and the ESC driving circuit module is arranged on the secondary circuit board.

Flight control system, a circuit board assembly and a configuration method thereof

A method for controlling an unmanned aerial vehicle (UAV) is provided. The UAV comprises at least one rotor. The method includes receiving a take-off signal; initiating the at least one rotor to operate with a first preset rotation acceleration in response to the take-off signal; detecting a take-off status information of the UAV, the take-off status information at least comprising a current height of the UAV; determining whether the detected current height of the UAV is equal to or greater than a threshold; and sending a hover signal to the at least one rotor to enable the UAV to hover in the current height in response to the determination that the detected current height of the UAV is equal to or greater than the threshold.

Method and an apparatus for controlling a UAV, and a UAV take-off system

Growing community of inventors

Beijing, China

Jianjun Yang