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202results about How to "Improve Smart Effects" patented technology

Virtual learning environment natural interaction method based on multimode emotion recognition

The invention provides a virtual learning environment natural interaction method based on multimode emotion recognition. The method comprises the steps that expression information, posture information and voice information representing the learning state of a student are acquired, and multimode emotion features based on a color image, deep information, a voice signal and skeleton information are constructed; facial detection, preprocessing and feature extraction are performed on the color image and a depth image, and a support vector machine (SVM) and an AdaBoost method are combined to perform facial expression classification; preprocessing and emotion feature extraction are performed on voice emotion information, and a hidden Markov model is utilized to recognize a voice emotion; regularization processing is performed on the skeleton information to obtain human body posture representation vectors, and a multi-class support vector machine (SVM) is used for performing posture emotion classification; and a quadrature rule fusion algorithm is constructed for recognition results of the three emotions to perform fusion on a decision-making layer, and emotion performance such as the expression, voice and posture of a virtual intelligent body is generated according to the fusion result.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Autonomous obstacle crossing programming method of deicing and line inspecting robot for high-voltage transmission line

The invention discloses an autonomous obstacle crossing programming method of a deicing and line inspecting robot for a high-voltage transmission line. The method comprises the following steps: step 1, detecting environment information by utilizing a laser radar mounted at the tail end of a mechanical arm, so as to obtain a robot movement ahead obstacle signal; step 2, according to a difference value between the current position and the expected position of the mechanical arm and the obstacle signal in the current condition, programming out a fuzzy programmed angle of the movement ahead mechanical arm by utilizing a fuzzy planner; step 3, performing online optimization to the fuzzy programmed angle by utilizing the particle swarm optimization, so as to obtain a particle swarm fuzzy programmed angle of the movement ahead mechanical arm; step 4, obtaining control moments of all joints by utilizing a neural network self-adaptive controller, and guiding the mechanical arm to act. By adopting the fuzzy programming method, an obstacle crossing programming decision can be made in real time according to the current condition of the deicing and line inspecting robot, and the inaccuracy and hysteretic nature of information perception can be overcome; meanwhile, by adopting the particle swarm optimization, the fuzzy programmed angle can be optimized online, so that the track can be smoother and the redundancy can be smaller.
Owner:HUNAN UNIV

Movement platform based on omnidirectional driving of ball wheels

The invention relates to an intelligent movement platform capable of automatically moving, in particular to a mechanism capable of realizing integral omnidirectional movement of a platform by means of controlling movement of three ball wheels. The intelligent movement platform belongs to the technical field of motor drive, sensor ranging, wireless communication and automatic control, and particularly comprises three identical ball wheel driving mechanical structures, three motor drivers, an environment sensing system and a platform control system. After an ambient environment is detected by the environment sensing system, obtained environment information is transmitted to a platform master control module of the platform master control system, control instructions are obtained after the environment information is processed by the platform master control system and are transmitted to control modules of the motor drivers, the ball wheels are controlled to roll by driving motors, and accordingly the platform moves. The intelligent movement platform is based on an omnidirectional principle of rolling of balls, a manual control working mode and an automatic running working mode can be realized, a single-platform running mode and a multi-platform running mode also can be realized, and the intelligent movement platform has the advantages of small volume, fine balancing, outstanding movement behavior expression, quickness, maneuverability and omnidirectional movement.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Multi-station top-suction type exhaust and dust processing device with function of automatic station conversion

The invention discloses a multi-station top-suction type exhaust and dust processing device with a function of automatic station conversion, which comprises a rail arranged on a support of a workshop, and a traveling crane driven by a power mechanism to travel on the rail. A plurality of top-suction type dust hoods corresponding to pollution sources are arranged on the traveling crane, the upper end of each dust hood is communicated with a venting pipe and a controlling valve, the lower end of each dust hood is provided with an exhaust inlet hole, the venting pipe of each dust hood is parallelly connected onto a main air pipe, the main air pipe is communicated with a bag filter system arranged outside the workshop, a photoelectric switch is arranged on the edge of an opening at the lower end of each dust hood, a limit switch which determines the stopping position of the traveling crane is arranged on the rail, and the limit switch, the photoelectric switches, a power mechanism, the controlling valve and a bag filter are all connected with a PLC (programmable logic controller) via cables. The multi-station top-suction type exhaust and dust processing device with the function of automatic station conversion solves the problem that amorphous dust in the workshop with serious dust pollution is difficult to gather and the like, is capable of running stably over a long period of time with enhanced processing effect.
Owner:李杰

Information processing method and mobile terminal

ActiveCN107045797AAvoid the problem of not being able to drive to the stationImprove experienceTicket-issuing apparatusRegistering/indicating working of vehiclesInformation processingGasoline
The present invention discloses an information processing method and a mobile terminal. The method comprises the following steps that: the driving data of a vehicle are acquired, so that the driving state information of the vehicle can be obtained; the driving state information of the vehicle is matched with candidate driving state reminding conditions, so that a vehicle service processing strategy corresponding to a matched driving state reminding condition is determined as a target vehicle service processing strategy; the state information of the vehicle which is indicated by the target vehicle service processing strategy is loaded, and candidate vehicle service station sites are determined, and the candidate vehicle service station sites are loaded; and a triggered target vehicle service station site in the candidate vehicle service station sites is detected, and the navigation services of the corresponding target vehicle service station site are loaded. With the information processing method and the mobile terminal of the invention adopted, when the gasoline, gas or other remaining energy of the vehicle is insufficient, a user can be timely informed of the situation, and energy supplement station sites such as gas stations and gas filling stations can be recommended to the user, and therefore, the information processing method has great convenience and high intelligence and can enhance user experience.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Resource transfer method, apparatus and equipment, and storage medium

The invention discloses a resource transfer method, apparatus and equipment, and a storage medium, and belongs to the technical field of the Internet. The method includes steps: obtaining a resource transfer request operation of a target object from a first user, and displaying a resource transfer request page, wherein the resource transfer request page comprises a target resource transfer type, the target resource transfer type is used for linking to a virtual resource bundle, and the virtual resource bundle is pre-distributed to the first user by a second user; and obtaining a selection operation for the target resource transfer type, and transmitting a resource transfer request to a server, wherein the resource transfer request is used for transferring a target quantity of virtual resources matched with the target object in the virtual resource bundle to a target account based on the resource transfer request after the request is received by the server, and the target account is anaccount providing a third user of the target object. According to the method, apparatus and equipment, and the storage medium, the first user can complete transaction in time without waiting payment of the second user, convenience and rapidity are realized, the timeliness is great, and the intelligence is good.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method for automatically generating overload instruction of supersonic-velocity guided missile climbing trajectory

InactiveCN103994699AGood ability to deal with uncertaintyHighly precise controlSelf-propelled projectilesGenerative DesignTrajectory planning
The invention discloses a method for automatically generating an overload instruction of a supersonic-velocity guided missile climbing trajectory. A missile computer is adopted to set a high-altitude ideal moving object, then the ideal missile acceleration is calculated according to a proportional navigation law and converted into the overload instruction, a missile overload controller tracks the overload instruction, and finally the automatic instruction generation design of the climbing trajectory is finished. The method has a wide initial launching height and posture requirement range, can accurately control the height of a missile tail section and has good intelligence, and the initial missile launching height and the height of the missile climbing tail section can be set optionally. The overload in the whole process can be subjected to saturation constraint correction. The process from tail section climbing to flat flying is smooth, and the overload is close to 0. All of parameters in the instruction design are not required to be adjusted and corrected in advance, and the method is especially suitable for application in multiple-time climbing or any trajectory planning of a smart missile.
Owner:NAVAL AERONAUTICAL & ASTRONAUTICAL UNIV PLA

Piezoelectric telescope-feed tension compression bidirectional stress initiative anti-seismic control device

The invention provides a piezoelectric telescope-feed tension compression bidirectional stress initiative anti-seismic control device, comprising an external tube, a fastening force changing nut arranged at the upper part of the external tube and a first connecting rod penetrating the fastening force changing nut; a second connecting rod is arranged at the lower part of the external tube; an internal tube in hollow structure is arranged in the external tube, and piezoelectric pile is placed in the internal tube; the upper end of the internal tube is fixedly connected with the fastening force changing nut by a bolt; a first transmission end plate is arranged between the upper end part of the internal tube and the upper end part of the piezoelectric pile; a second transmission end plate provided with a hinge is arranged between the lower end part of the internal tube and the lower end part of the piezoelectric pile; and the inner side at the lower end of the external tube is provided with a lug which is contacted with the hinge of the second transmission end plate in moving process. The invention solves the technical problem that anti-seismic control device is low in working efficiency and has the advantage of strong adaptability to environment.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Equipment state intelligent identification method of power dispatching master station type integrated intelligent anti-misoperation system

The invention relates to an equipment state intelligent identification method of a power dispatching master station type integrated intelligent anti-misoperation system, which comprises the following steps: S1, creating a power grid model; S2, creating an operation ticket expert database; S3, selecting equipment; S4, carrying out equipment state intelligent identification: S4-1, finding current operation equipment in the power grid model through the operation ticket service, promoting a user not to find the current operation equipment if the current operation equipment is not found out; searching an operation interval directly connected with the operation equipment according to a topological connection relationship if the current equipment is found out and simultaneously searching the operation interval according to an area where the equipment is positioned; and S4-2, matching equipment operation rules of the expert database, determining the current equipment state and deducing all operation types allowed by the equipment; and S5, displaying the operation types. The equipment state intelligent identification method has the beneficial effects that the running states of different types of electrical equipment can be automatically identified; all the operation types currently allowed by the equipment can be screened through the operation ticket service according to the equipment state; and as a rule base is relatively independent of network topology, the university and the intelligence are good.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Apparatus and process for optimizing work from a smart material actuator product

An apparatus and process for pre-loading an electrically stimulated smart material actuator product to obtain maximum work from the actuator. When a smart material actuator is optimally pre-loaded certain desirable characteristics become apparent, such as work, operational frequency, hysteresis, repeatability, and overall accuracy. When used in conjunction with a mechanically leveraged actuator structure the smart material actuator can be used to its greatest potential. Since the mechanically leveraged actuator can be based on the maximum work provided by the smart material actuator, certain attributes such as the force, and displacement of total system can be adjusted without loss to system efficiency. Pre-loading methods and a determination of the optimal pre-load force are disclosed. Each smart material actuator type has a unique work curve. In the design of an actuator assembly, the process of optimizing uses the unique work curve to optimize the design for the requirements of the particular application. The unique work curve is used by finding the place where the smart material actuator is capable of providing the most work in order to set the optimum pre-load point accordingly. Different mechanical pre-load techniques are provided.
Owner:PARKER INTANGIBLES LLC

Audio playing control method and device and memory medium and audio playing apparatus

The invention discloses an audio playing control method and device, a memory medium and an audio playing apparatus and belongs to the technical field of multimedia. The method comprises the steps of receiving a business control request sent by a first apparatus in at least one audio reception apparatus; and modifying a current business state according to the business control request and sending astate synchronization request to a second apparatus in the at least one audio reception apparatus, thereby enabling the second apparatus to synchronously modifying the current business state accordingto the state synchronization request after the second apparatus receives the state synchronization request, wherein the second apparatus is other apparatus except the first apparatus in the at leastone audio reception apparatus. For a karaoke scene, a plurality of users are supported to carry out karaoke singing through the audio reception apparatuses and real-time sound return is carried out through the audio reception apparatuses; and for any audio reception apparatus, the state of the audio reception apparatus and the audio playing apparatus can be synchronized by sending the business control request to the audio playing apparatus, so the intelligence is relatively high.
Owner:TENCENT MUSIC ENTERTAINMENT TECH SHENZHEN CO LTD

Key and mouse smooth switching method, device and system

The embodiment of the invention provides a key and mouse smooth switching method, device and system, and relates to the technical field of a computer. The key and mouse intelligent smooth switching can be realized, in addition, the cost is low, and the expansion is easy. The method comprises the following steps that a current terminal PC (personnel computer) intercepts and captures press key information of a user, meanwhile, a switcher receives the press key information of the user and identifies whether the press key information is an effective switching shortcut key or not, and if so, the ID number corresponding to the switching shortcut key is stored into a cache unit; the current terminal PC analyzes whether the press key information is the effective switching shortcut key or not, if so, the interception and the capturing of the next piece of press key information are stopped, and in addition, the ID number corresponding to the switching shortcut key is sent to the switcher through being carried in the feedback information; after the switcher receives the feedback information, the press key information is compared with the ID number in the feedback information, if the two ID numbers are identical, the switching action is carried out, and USB (universal serial bus) signals of a mouse and a keyboard are switched onto the terminal PC marked by the ID number corresponding to the switching shortcut key.
Owner:BOHAI UNIV

Intelligent positioning and door opening control system and control method thereof

InactiveCN107067518AEasy and accurate location lookupSmartIndividual entry/exit registersEmbedded systemSmart phone
The invention discloses an intelligent positioning and door opening control system and a control method thereof. The intelligent positioning and door opening control system comprises a server, an access control device and a smart phone, wherein the smart phone is used for user registration and user phone information binding with the server, acquiring a user account as well as a position ID and a sound wave ID of the specified access control device to position the access control device, acquiring door opening secret keys of the specified access control device from the server in different time periods, and opening the specified access control device through the door opening secret keys; the server is used for sending the door opening secret keys of all users of the specified access control device corresponding to the different time periods to the specified access control device; the access control device is used for sending position information to the server, acquiring the position ID and the sound wave ID generated by the server and comparing the door opening secret keys acquired from the smart phone to achieve door opening. The intelligent positioning and door opening control system has the advantages of high positioning precision of the access control device, highly intelligent unlocking, high safety factor, low setting cost, limit in door opening time period and convenience for attendance checking.
Owner:重庆小火柴智能科技有限公司
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