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554results about How to "Realize human-computer interaction" patented technology

Intelligent article delivery robot device and control method

The invention provides an intelligent article delivery robot device and a control method thereof. The robot device comprises a base, a storage grid, a tablet computer, a main support bar, a second support bar, a main camera assembly and a main power supply charging plug. A hardware component works with a software system in the tablet computer. Sound source determining, voice broadcast, voice recognition, face image recognition and electromechanical motion control technologies are used to realize autonomous moving, crowd recognition, sound source recognition, human-computer interaction, storage grid switching, voice broadcast, automatic lift adjustment, automatic navigation, self-charging, autonomous home delivery and other functions of the whole machine.
Owner:精效新软新技术(北京)有限公司

Breathing lamp realization method based on mobile terminal and mobile terminal

The invention discloses a breathing lamp realization method based on a mobile terminal and the mobile terminal. The method comprises the following steps that corresponding breathing lamp display colors and corresponding priorities are set in advance for each kind of unread messages on the mobile terminal for prompting users; when the mobile terminal receives the unread messages, the preset breathing lamp display colors and the priorities corresponding to the unread messages are found, and the breathing lamps are controlled to display different colors at different flicker frequencies according to the priorities. The invention provides the realization method of customizing the breathing lamps according to different messages and the mobile terminal, and the goal of reflecting different states of a mobile phone through the breathing lamps with different colors in the standby or screen-off state of the mobile phone can be realized.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Three-dimensional multiple-point type touch screen based on thin film pressure sensors and triaxial accelerometer

The invention provides a three-dimensional multiple-point type touch screen based on thin film pressure sensors and a triaxial accelerometer. The three-dimensional multiple-point type touch screen comprises a capacitive touch screen body, a plurality of thin film pressure sensors arranged on the back face of the capacitive touch screen body, a capacitive touch screen control chip, a pressure sensor interface circuit and a master control chip. The capacitive touch screen body is connected with the capacitive touch screen control chip, and the thin film pressure sensors are connected with the pressure sensor interface circuit. The capacitive touch screen control chip and the pressure sensor interface circuit are respectively connected with the master control chip. The master control chip is connected with a triaxial accelerated speed sensor, and the triaxial accelerated speed sensor is used for acquiring an accelerated speed value perpendicular to the surface of the capacitive touch screen body and transmitting the accelerated speed value to the master control chip. The three-dimensional multiple-point type touch screen can achieve the fact that the touch pressure perpendicular to the surface of the touch screen is accurately sensed when equipment is in different inclined postures and motion states, and therefore the actual touch pressure corresponding to multiple touch points is accurately obtained.
Owner:北京中科微知识产权服务有限公司

Interaction control method and device of intelligent sweeping robot

The invention provides an interaction control method and device of an intelligent sweeping robot. The technical procedures, executed on an intelligent sweeping robot side, of the method comprise the following steps: in the moving process of the intelligent sweeping robot, when a motion abnormity occurs, a motion abnormity event of the intelligent sweeping robot is reported to a user terminal, and whether a moving instruction sent by the user terminal is received is determined; and, if the moving instruction sent by the user terminal is received, a movement is performed according to the moving instruction. Cleaning is efficiently completed on the basis of an accurate motion plan, and, through achievement of man-machine interactions, intelectualization and good experience of an intelligent household electrical appliance can be reflected well.
Owner:HAIER YOUJIA INTELLIGENT TECH BEIJING CO LTD +1

Rule-based method for patent abstract automatic extraction and keyword indexing

The invention a rule-based method for patent abstract automatic extraction and keyword indexing, which mainly comprises the steps: automatically marking key words such as characteristic and technique words and phrases in the full text of the patent literature according to a background knowledge base; determining the functions and mutual relationships of paragraphs in the article according to the types, times, position relations and the like of the occurrence of the characteristic words and phrases in the paragraphs; extracting key paragraphs of the paragraphs to form the extract; and finally, extracting key works from the extract to form the index items of the literature. The method for patent abstract automatic extraction and keyword indexing of the invention consists of five modules: a knowledge base module, a characteristic work marking module, a paragraph analysis and evaluation module, an extract automatic writing module and an indexing module. The method of the invention can obviously improve the efficiency of the deep processing of patent data and reduce the cost of the data processing. And the indexing result has a high retrieval value.
Owner:北京中献电子技术开发有限公司

Logistic public information platform system

The invention provides a logistic public information platform system, which is oriented towards production and manufacturing enterprises, drivers and logistics companies, has the functions of logistic information management, information retrieval, identity authentication, vehicle positioning, online insurance effecting and online traction, combines with a logistic information system and an electronic business system for realizing logistic information resource sharing and provides online parking lot one-stop service vehicle and cargo marching for a user. The system is an electronic information platform which is based on Internet and is developed by adopting a B2C (Business to Customer) mode, i.e. an enterprise and consumer transaction mode, wherein the electronic information platform comprises a foreground website and a background management system, the user can log in the foreground website for performing user registration, find required vehicle source information or cargo source information through an information searching function of the website, and submitting an electronic order for concluding a transaction, and an administrator can maintain the content of the foreground website through the background management system. The logistic public information platform system is suitable for logistic information transaction.
Owner:JIAN WANJI LOGISTICS TRANSPORTATION

Managing system and managing method for application program of mobile terminal

The invention discloses a managing system for the application program of a mobile terminal and belongs to a managing system for the application program. The system comprises a state detecting module and / or a time detecting module and a storage module; the storage module is respectively connected with the time detecting module and the state detecting module; the state detecting module detects the work state of at least one preset function module on the mobile terminal equipment; the time detecting module detects the current time of the mobile terminal equipment; the storage module stores a starting rule of the related application program; the managing system sends a starting command to the preset application program according to the work state of the preset function module and / or the current time of the mobile terminal equipment and the starting rule of the storage module. The managing system and the managing method for the application program of the mobile terminal have the beneficial effects that the use habit of a user is automatically judged and calculated, and the program is automatically started according to the judged result, so the user operation is simplified and the use of the user is facilitated.
Owner:宋易霄

Terminal operation method and terminal

The invention discloses a terminal operation method and a terminal. The method comprises the following steps that a human eye picture of an operator in front of a terminal display screen is acquired; and the terminal is operated according to the acquired human eye picture. According to the terminal operation method and the terminal, the operation problem of human eyes due to the terminal is solved through the technical scheme.
Owner:ZTE CORP

Gesture control man-machine interactive system based on WiFi

The invention discloses a gesture control man-machine interactive system based on WiFi.The gesture control man-machine interactive system comprises a signal collecting module, a signal processing module, a gesture action extraction module and an action command mapping module, wherein the signal collecting module obtains channel state information (CSI) of a physical layer containing user' action from WiFi signals; the signal processing module processes collected signals, and the processing comprises donoising, filtering and smoothing operation; the gesture action extraction module performs gesture action information extraction according to signals obtained from the signal processing module; the action command mapping module is used for obtaining gesture action data from the gesture action extraction module and mapping the data to be corresponding computer operation instructions.By means of the WiFi signals, users do not need to wear any specially-made equipment; through the collection of the channel state information of the physical layer, the extraction and identification of gesture information contained in the channel state information and the mapping to be the corresponding computer operation instructions, human interaction is performed.The cost is low, and the system has low coupling performance and scalability.
Owner:SUZHOU INST FOR ADVANCED STUDY USTC

Novel interactive projection system

The invention discloses a novel interactive projection system, which comprises a video image projection unit, an image collection unit, an image data processing unit, a communication unit and a Flash interactive unit, wherein the video image projection unit is used for projecting interactive data, the image collection unit is used for collecting image data, the image data processing unit is used for carrying out distortion correction and perspective conversion on the collected image data, separating background images from moving images, updating the background images and dividing and trackingthe moving images, the communication unit is used for transmitting data coordinates of tracked images to the Flash interactive unit, and the Flash interactive unit is used for outputting corresponding Flash interactive effects according to the data coordinates of the tracked images. Through the infrared light projection technology and the image processing technology, the invention obtains and identifies control information input by operators, and transfers the control information to an expression module for realizing the non-contact type human-machine interaction. A correction template different from the traditional model is adopted, so the video correction is greatly improved. The image scene conversion adopts the high-efficiency perspective conversion technology, so the whole interactive process has convenient operation, high efficiency and high speed.
Owner:联动天下科技(大连)有限公司

Intelligent home system based on cloud service and ZigBee technology and design method thereof

The invention discloses an intelligent home system based on cloud service and ZigBee technology and a design method thereof. The system adopts a browser / server (B / S) architecture, uses Apache as a Web server, uses Mysql as a database, stores a corresponding data record, converts the data into a Json format, then communicates with an Android mobile phone through HTTP and achieves related data transmission through a ZigBee protocol stack of the TI company, the ZigBee protocol stack transmits the received data to an Android home gateway through a serial port and transmits the data to the server through the HTTP, and a mobile phone client is connected with the server to synchronize all data and display home building conditions in real time. The intelligent home system disclosed by the invention mainly solves a ZigBee set-point control problem, a communication problem of a ZigBee coordinator and the home gateway and a remote control problem.
Owner:南京理工大学紫金学院

Intelligent home controller based on eye-movement tracking and intelligent home control method based on eye-movement tracking

The invention relates to an intelligent home controller based on eye-movement tracking and an intelligent home control method based on eye-movement tracking, and belongs to the field of wireless control. The problem that the existing intelligent home controller adopts a press key or touch input mode, so that the existing intelligent home controller cannot be applicable to special user groups with limb obstacles. The intelligent home controller based on eye-movement tracking comprises an image collecting module, an image processing module, a communication module, an FPGA (Field Programmable Gate Array) module and a sub module, wherein the sub module is integrated inside an FPGA chip. The intelligent home control method based on the eye-movement tracking comprises the steps that: the image processing module performs binarization processing on collected face images; the human eye pupils and the light spot positions, displayed on the human eye scleras, of an infrared lamp are found out; the sight line direction of the human eye is estimated; and in a VGA (Video Graphics Array) liquid crystal display, the designed user interface and the user slight line position are displayed in the liquid crystal display screen by the image display module, and the human-computer interaction is realized. A non-contact control mode is adopted, so that the interference on users is reduced to the greatest degree, and the burden of the user is lightened.
Owner:HARBIN UNIV OF SCI & TECH

Household intelligent fitting mirror system

InactiveCN107451896ARealize human-computer interactionCombined with the intention to choosePicture framesDomestic mirrorsThe Internet3d camera
The invention relates to a household intelligent fitting mirror system, which comprises a hardware part and a software part, wherein the hardware part comprises a 3D scanner, a 3D camera, a holographic projection system, a mirror OLED organic display screen and a computer; and the software part comprises a human body feature identification system, a virtual fitting system, a clothes matching system, an intelligent push system and an online shopping system. The household intelligent fitting mirror system can perform clothes matching specially in allusion to a user and record body shape changes of the user for a long time in a tracking manner so as to provide a more accurate and reasonable clothing scheme. In addition, clothes on the Internet can be tried on at home, and a function of online shopping is realized.
Owner:SHAANXI UNIV OF SCI & TECH

Plant tissue culture environmental information monitoring and simulating system

InactiveCN103135540ARealize intelligent subordinateRealize wireless remote host controlPlant tissue cultureHorticulture methodsEngineeringPhytotron
The invention discloses a plant tissue culture environmental information monitoring and simulating system. The plant tissue culture environmental information monitoring and simulating system comprises a tissue culture box, a monitoring unit and a simulating unit, wherein the monitoring unit is formed by a collection module, a wireless transmission module and a display processing module. The collection module collects tissue culture environmental information of plants in the tissue culture box, and sends the environmental information to the transmission module. The wireless transmission module uploads the received environmental information to the display processing module. The display processing module stores, processes, displays and indexes the environmental information. The simulating unit carries out manual simulation on the tissue culture environmental information of the plants in the tissue culture box. The plant tissue culture environmental information monitoring and simulating system is convenient to operate, complete in functions, strong in pertinence, capable of achieving intelligent control for the information such as illumination, temperature, carbon dioxide (CO2) and the like in a greenhouse environment, and is suitable for greenhouse plant tissue culture and for various places such as plant tissue culture boxes, illumination culture boxes, phytotrons, facility agriculture, and has expansibility.
Owner:HEBEI UNIVERSITY

Total management system and management method based on Internet of Things and cloud computing and for parking lot

The invention relates to a total management system and a management method based on Internet of Things and cloud computing and for a parking lot. A parking lot automatic control subsystem is in communication connection with a control center subsystem through a communication subsystem, the control center subsystem is in communication connection with an Internet cloud sever subsystem through the communication subsystem, the parking lot automatic control subsystem is used for automatically identifying a vehicle through an RFID (Radio Frequency Identification) radio frequency card reader, an entrance guard steering engine controls a system entrance guard steering engine to be lifted up and down, automatic charging is performed, parking lot stall information, charging condition information, parking lot temperature and humidity, and fog condition information are sent to the control center subsystem; the control center subsystem is used for transmitting the information and video data transmitted by a video monitoring system to the Internet cloud sever subsystem; the Internet cloud sever subsystem realizes real-time monitoring on each parking lot and data sharing of the parking lot; and a mobile phone terminal subsystem is capable of inquiring a distribution map of a parking lot in real time, automatically generating the distribution map of the parking lot, and generating an optimal parking route.
Owner:HARBIN ENG UNIV

Route planning-based electric vehicle charging control device and control method

The invention provides a route planning-based electric vehicle charging control device and control method. The device comprises a charging pile monitoring module arranged on a charging pile and an electric vehicle module arranged on an electric vehicle. The method comprises the following steps: inputting vehicle parameters and battery parameters of the electric vehicle to be charged into a centralconsole; monitoring the charging pile and the parking space status, and transferring the positions and the status information of the charging pile and the parking space to the electric vehicle module; calculating the remaining driving mileage of the electric vehicle; screening the charging pile according to the remaining driving mileage, the charging pile position and the status information to obtain a candidate charging pile, and performing the route planning on the final candidate charging pile. The electric vehicle charging pile is monitored in real time to solve the problem that the charging parking space is occupied and the like, and ensure that the charging pile is always in the 'available state'; based on the route planning, a road which can charge the electric vehicle in time is provided for drivers.
Owner:JILIN UNIV

Virtual fitting mirror system

The invention discloses a virtual fitting mirror system. The system comprises a skeleton identification system which identifies and is bound to a body skeleton firstly entering an identification scope and controls a stereo model of a virtual scene to act through body motion; a virtual fitting system which is used for fitting of a somatosensory model, i.e., selecting clothes through palm action and carrying out the fitting through the somatosensory model; an assistant matching system which is used for fitting of a virtual model, i.e., establishing the virtual model, selecting the clothes through a touch point-selection mode and performing the fitting through the virtual model; a clothes self-selection system which is used for trying self-selected clothes, i.e., inputting bar codes to schedule the corresponding clothes so as to perform fitting on the somatosensory model; and an intelligent push system which is used for pushing entity clothes, i.e., pushing the entity clothes through selecting the clothes via an intelligent push wardrobe. According to the invention, online and offline somatosensory model fitting, virtual model fitting and human body fitting can be provided, and the problem of insufficient seller quantities and fitting room quantities of offline entity shops can be solved to a quite large degree.
Owner:SHANGHAI JINRONG INTELLIGENT TECH CO LTD

Smart ring

It is an object of the present invention to provide a smart ring with no need of key press or touch detection, which is simple and low-cost. With a built-in inertial sensor for gesture recognition, the microprocessor receives the hand motion signal detected by the inertial sensor, performs gesture recognition by calculating the hand motion signal, generates a corresponding control command of the related electronic equipment, and sends the command to the corresponding electronic equipment through a wireless transceiver, thereby realizing the human-computer interaction of the intelligent ring and one or more intelligent electronic equipment.
Owner:李兴伟

LED landscape city building facade cluster light Internet control system

The invention discloses an LED landscape city building facade cluster light Internet control system, which comprises a centralized control terminal, a server terminal and node terminals, wherein the centralized control terminal is configured to be in communication connection with the server terminal and the node terminals through a wired and / or wireless network, so as to control the node terminal to combine or integrally link a node LED lamp, the server terminal is configured to receive data information sent by the centralized control terminal and send the data information to the node terminals, and monitor the work states of the node terminals in real time and feed the work states of the node terminals back to the centralized control terminal, and the node terminals are configured to control the data uploading, downloading and lighting of verious node LED lamps according to the received data information. The Internet control system provided by the invention can meet the linkage control and remote control on multi-node building facade cluster light, and has high flexibility.
Owner:SHENZHEN EX LIGHTING TECH HLDG

Radar detection system and method for low-altitude multi-target classification and identification

The invention discloses a radar detection system and method for low-altitude multi-target classification and identification. The radar detection system for low-altitude multi-target classification andidentification includes a waveform generator, an antenna unit, a reception unit and a signal processing unit, wherein the waveform generator is used for generating detection wave beams in which the energy is concentrated below the specified threshold according to the low-altitude area to be detected; the antenna unit is used for transmitting the detection wave beams output from the waveform generator and receiving a target echo signal; the reception unit is used for performing down-conversion on the target echo signal received by the antenna unit to become an intermediate frequency signal andoutput the intermediate frequency signal; and the signal processing unit is used for acquiring the positional information of the target according to the intermediate frequency signal output from thereception unit and outputting the identified target type. The radar detection method for low-altitude multi-target classification and identification is to realize low-altitude multi-target classification and identification. The radar detection system and method low-altitude multi-target classification and identification can realize real-time detection and classification and identification of low-altitude multiple targets, and have the advantages of high identification efficiency, high accuracy and high flexibility.
Owner:HUNAN NOVASKY ELECTRONICS TECH

Gesture recognition method, palm virtual keyboard using same, and input method

The invention provides a gesture recognition method, a palm virtual keyboard using same, and an input method; the palm virtual keyboard comprises a signal acquisition unit, a signal pretreatment unit, a signal segmentation unit, a feature extraction unit, a feature fusion unit, a gesture recognition unit, and a character mapping unit; a bioelectrical sensor arranged on a wrist and a position sensor arranged on a thumb can respectively obtain a gesture signal; the gesture signal is processed, features are extracted, and gesture recognition is carried out so as to recognize a user gesture motion, thus obtaining the characters corresponding to the gesture motion, and realizing input of the palm virtual keyboard; the two sensors arranged on the wrist and thumb can recognize the gesture so as to use the palm as the virtual keyboard for inputting, thus solving the technical problems that a virtual keyboard in the prior art needs a camera to collect images, and the camera is not easy to install, easy to be blocked, and inaccurate in recognition.
Owner:BEIJING CHUANGSI BODE TECH CO LTD

Energy-saving method for displayer

The invention relates to an energy-saving method for a displayer. The method comprises the following steps of pre-generating a training sample; acquiring information of an image in front of the displayer in real time through image acquisition equipment; scanning the image; judging whether a human face exists or not by human face detection technology, if the human face does not exist, generating a user free signal, and outputting the signal to perform energy conservation on the displayer; and if the human face exists, further by human eye detection technology, intercepting an area where the human eyes are, extracting characteristics to generate a test sample, comparing the test sample with the training sample so as to generate a control signal of a user busy signal or a user free signal, and outputting the control signal to control the working way of the displayer. Therefore, the problem of energy source waste caused when the displayer is idle is solved, and the defects of high error rate and poor experience feeling of the current method are overcome.
Owner:TONGJI UNIV

Voice memorandum method of mobile terminal and mobile terminal

InactiveCN103077721AAchieve intelligenceDoes not affect the operation being performedSpeech analysisComputer terminalSpeech sound
The invention provides a voice memorandum method of a mobile terminal and the mobile terminal. The method comprises the following steps of storing a voiceprint feature of an owner of the mobile terminal in the mobile terminal; monitoring the sound of the surrounding environment of the mobile terminal in a real-time way; extracting the voiceprint feature of the monitored sound; according to the extracted voiceprint feature and the voiceprint feature of the owner, judging whether a monitored sound sender is the owner or not, wherein if the monitored sound sender is the owner, further judging whether the monitored sound contains the information of sensitive verbs or not, and if the monitored sound contains the information of sensitive verbs, obtaining a control instruction corresponding to the information of the sensitive verbs, and extracting keywords in the control instruction; and according to the control instruction and the keywords, setting the related functions of the mobile terminal. The method and the mobile terminal have the advantages that the voice memorandum is realized through background real-time monitoring, the operation is easy and convenient, the simplicity is realized, the influence on the currently executed operation of the foreground of the mobile terminal is avoided, the intelligence of the mobile terminal is well realized, and the human-computer interaction is well realized.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Intelligent education system

The invention discloses an intelligent education system, relates to an education system and aims at providing an intelligent education system, which has the advantages that the learning process of students is monitored in real time, the learning effect of the students is analyzed according to the feedback data, and the corresponding teaching contents and the progress are adjusted, according to the technical scheme, the education system comprises an intelligent education cloud platform arranged at the centralized control center of a school and all intelligent classrooms controlled by the intelligent education cloud platform, the intelligent classroom includes an intelligent teaching module, an intelligent management module and a data statistical module, wherein the intelligent teaching module comprises an intelligent blackboard, an intelligent loudspeaker, an intelligent platform, a wireless pushing system, and a lesson feedback system, the lesson feedback system comprises a personal hand-held signal transmitter and a receiving device which is used for acquiring signals and transmitting signals to the computer in the classroom; the students answer questions through the personal hand-held transmitter, the receiving device generates various reports required by a teacher after collecting the signals and displays the result on the display device in the classroom.
Owner:南京北冶机电设备有限公司

Air cooling condenser high-pressure door type or cantilever type track automatic cleaning device

The invention discloses an air cooling condenser high-pressure door type or cantilever type track automatic cleaning device, comprising a high-pressure water jet cleaning device and a support on whicha cleaning device assembly is arranged; the support has a door type structure and consists of two upright posts which are vertically arranged and a beam which is horizontally arranged; the cleaning device assembly is glidingly connected with the beam of the support; and the high-pressure water jet cleaning device is connected with the cleaning device assembly by a high-pressure water pipe. The invention uses an air cooling radiation triangle of a door / console through type cleaning air cooling island, and the mode is convenient and quick compared with the prior cleaning modes; in the invention, one radiation surface can be cleaned only by one stroke, and the total design is compact and scientific; compared with the prior two cleaning modes, the cleaning time is shortened by more than half,and the cleaning efficiency is improved by 2-3 times; the cleanliness rate reaches 100%, which is incomparable to the prior modes.
Owner:马庚

Three-dimensional space positioning system based on infrared image recognition

The invention provides a three-dimensional space positioning system based on infrared image recognition. The three-dimensional space positioning system based on the infrared image recognition is used for recognizing the three-dimensional space position of a target object and comprises a first infrared camera, a second infrared camera, a third infrared camera, an infrared laser device, a projection screen and a computer, wherein the image plane of the third infrared camera faces towards the direction of the projection screen, the image plane of the first infrared camera and the image plane of the second infrared camera face towards the direction of the target object, the optical axis of the first infrared camera and the optical axis of the second infrared camera are strictly perpendicular to the projection screen, the infrared laser device is arranged at the position of the target object and points to the position of the projection screen, and the computer is connected with the first infrared camera, the second infrared camera and the third infrared camera. The three-dimensional space positioning system based on the infrared image recognition has the advantages that the target object is identified according to the infrared laser device, positioning is carried out through the receiving of the infrared cameras, and thus the three-dimensional space positioning system based on the three-infrared-camera positioning technology is provided. Through the visualization operation carried out on complex data through the computer and a real-time interaction environment, vivid three-dimensional visual perception is achieved, and the real-time capture of motion is achieved.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Self-adaptive control method for large-curved-surface grinding

The invention discloses a self-adaptive control method for large-curved-surface grinding. The method adapts to workpieces with different curvatures through adjusting positions of three support points from the center, shortens the contact force adjusting time through roughly adjusting the thread pre-tightening force to improve the efficiency, acquires the contact force in the grinding process through a stated sampling period to feed back force signals, sets a contact force threshold to calculate a mean value of contact force values acquired by continuous 5 times of sampling periods, and uses a set controller for generating driving signals to continuously adjust the torque direction and magnitude of a drive in a polishing tool module to change the deformation of an elastic part, so that the magnitude of the contact force is proper, a proper numerical value range is kept, and the relatively stable polishing contact force is realized. The method comprises five steps of: (1) grinding preparation; (2) workpiece touching; (3) trajectory planning; and (4) grinding; and the method can realize relatively constant polishing contact force, and improves the machining stability.
Owner:HEBEI UNIV OF TECH

Composite unmanned aerial vehicle semi-physical simulation system

InactiveCN111596571AKnow the flight statusUnderstand analysisSimulator controlScale modelMathematical model
The invention discloses a composite unmanned aerial vehicle semi-physical simulation system, and belongs to the technical field of system simulation. The system comprises a mathematical model, a three-axis turntable, a scaling model machine, a three-dimensional visual module, a flight data monitoring module and a flight control module. Firstly, a simulation mathematical model of a real unmanned aerial vehicle A is established; the state quantity of the unmanned aerial vehicle A is inputted into a flight control module; a control quantity is calculated to drive a control surface and a motor accelerator of the unmanned aerial vehicle A to act, attitude angle data and control data are respectively transmitted to a single chip microcomputer of the three-axis turntable, and the three-axis turntable is driven to move to drive the scaling model machine, so that three-degree-of-freedom attitude motion display and accelerator display of a steering quantity, a four-rotor motor and a fixed-wing motor are realized. The flight data monitoring module monitors the state quantity in real time and draws a curve for display. And the state quantity of the unmanned aerial vehicle A is transmitted to the three-dimensional visual module, so that full-process visual display of take-off and landing of the model unmanned aerial vehicle A is realized. The cost is controlled, the efficiency is improved,and man-machine interaction is realized.
Owner:BEIHANG UNIV +1

Visual SLAM-based cognitive point cloud map creation system

The invention discloses a visual SLAM-based cognitive point cloud map creation system, and aims at obtaining image pose information by utilizing visual SLAM so as to estimate relative dense reverse depth information of environment, recognizing interested objects in the environment and creating a cognitive point cloud map of the environment. The system comprises a system starting module, a reversedepth map estimation module and a map module, wherein the system starting module is responsible for selecting a first key frame; the reverse depth map estimation module is responsible for estimating areverse depth map of the key frame and selecting a new key frame; and the map module is responsible for maintaining the created cognitive point cloud map, recognizing interested objects in the key frame when the new key frame is added into the map, and visually displaying the map creation. According to the system, the relatively dense cognitive point cloud map of the environment is created by utilizing image information, the map is capable of realizing positioning of mobile robots, obstacle avoidance, autonomous navigation and three-dimensional environment reconstruction, and cognitive information in the map can be used for realizing interaction between the mobile robots and human beings and interaction between the mobile robots and the environment.
Owner:SOUTH CHINA UNIV OF TECH

Voice processing method of mobile terminal and mobile terminal

The invention provides a voice processing method of a mobile terminal and the mobile terminal. The voice processing method of the mobile terminal comprises the following steps of obtaining voice signals of a user, obtaining the voice frequency range of the user according to the voice signals of the user, filtering the voice signals according to the voice frequency range of the user to eliminate voice signals out of the voice frequency range, receiving a target frequency range input by the user, and carrying out frequency modulation on the voice signals which have been filtered according to the target frequency range to enable the voice signals which have been filtered to have the target frequency range. According to the voice processing method of the mobile terminal and the mobile terminal, through filtering and frequency modulation carried out on the voice signals, an individual voice beautification effect is obtained for the user, the fun of using the mobile terminal for the user is improved, the intelligence of the mobile terminal is improved at the same time, and man-machine interaction can be better realized.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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