445results about How to "The process is easy to realize" patented technology

The invention discloses a man-machine interactive manipulator control system and method based on binocular vision. The man-machine interactive manipulator control system is composed of a real-time image collecting device, a laser guiding device, a programmable controller and a driving device. The programmable controller is composed of a binocular three-dimensional vision module, a three-dimensional coordinate system transformation module, an inverse manipulator joint angle module and a control module. Color characteristics in a binocular image are extracted through the real-time image collecting device to be used as a signal source for controlling a manipulator, and three-dimensional information of red characteristic laser points in a view real-time image is obtained through transformation and calculation of the binocular three-dimensional vision system and a three-dimensional coordinate system and used for controlling the manipulator to conduct man-machine interactive object tracking operation. The control system and method can effectively conduct real-time tracking and extracting of a moving target object and is wide in application fields such as intelligent artificial limb installing, explosive-handling robots, manipulators helping the old and the disabled and the like.

The invention discloses an intelligent building energy consumption monitoring system based on a wireless sensor network, and the intelligent building energy consumption monitoring system comprises a data acquiring module which comprises data acquirers; the data acquirers are arranged on each floor of a building and used for acquiring data signals about the energy consumption of building intelligent devices configured in each room in each floor; the data acquirers are connected with a Zigbee wireless topological structure which comprises Zigbee remote nodes correspondingly arranged on each building; the Zigbee remote nodes are used for transferring the data signals received by the data acquirers to a Zigbee central node; and the Zigbee central node is used for transmitting the received data signals to a data centre which comprises a server terminal, and the server terminal comprises a construction energy consumption analysis system for analyzing and diagnosing the energy consumption of each building in real time and accurately, transmitting the result to a client and displaying the result on the client.

The invention relates to a hybrid real-time simulation method for an alternating current-direct current power system, and belongs to the technical field of transient simulation of the power system. The power system is divided into an electromagnetic transient side and an electromechanical transient side; a response model of voltage input and power output between the two sides, an electromagnetic transient side equivalent calculation power module and an electrochemical transient side ideal voltage source model are established; when the simulated power system is failed or violently disturbed, a network voltage equation of the power system is solved so as to obtain an interface boundary condition for the occurrence of the failure or large disturbance; and during the occurrence of the failure or large disturbance and system recovery, a simulation interactive step is adjusted for predicting a boundary parameter required by simulation, and the boundary parameter is then corrected so as to obtain the boundary condition at a sub-network interface of the alternating current-direct current system. The method effectively and accurately simulates and imitates the alternating current-direct current power system, so that the simulation result of a transient process under the failure or large disturbance at a near end of the sub-network interface of the alternating current-direct current system is consistent with the fine fully electromagnetic transient simulation result.

A laser blasting apparatus for shaping on the surface of medium-thick plate is composed of laser device, optical guide system, laser blasting head, fixture system for workpiece, and control system. Its shaping process includes computer simulation of the stress field distribution according to the curved surface shape to be processed, optimizing it to obtain the distribution of shock wave pressure and blasting tracing on the surface of plate, automatically choosing the parameters of laser pulse optical beam converte and optical mask, writing control program, generating strong short laser pulses, covering them to several pulse clusters, passing through optical mask, acting on energy converting body on the surface of workpiece to obtain shock waves, acting on the surface of workpiece for shaping.

The invention discloses a mobile terminal safe lock network lock card protecting and unlocking method based on the asymmetrical algorism that includes: the mobile terminal safe lock network lock card protecting method based on the asymmetrical algorism and the mobile terminal safe lock network lock card unlocking method based on the asymmetrical algorism. The invention solves the disadvantages of easy to be decrypted and the complex schedule hard to realize those existed in the present locking network locking card technique.

The invention relates to a temperature sensor circuit, which comprises a first signal generator, a second signal generator and a signal processor which are connected by a circuit, wherein the output ends of the first signal generator and the second signal generator are connected with the input end of the signal processor. According to the invention, in order to avoid the defect that the traditional time domain signal-based temperature sensor is easily influenced by the manufacture process of an integrated circuit, two time domain signals relative to the temperature are converted into digital codes through the signal processor, the converted signal codes are only relative to the relative values of the parameters of devices in the integrated circuit, and are not relative to absolute values of the parameters of devices in the integrated circuit, thus, the temperature sensor circuit is not easily influenced by the manufacture process of the integrated circuit, and is more easily controlled and realized.

The invention relates to a large-scale open channel water level automatic control method based on storage capacity dynamic regulation. The method comprises the steps of determining a feed-forward flow regulating value; determining whether the feed-forward flow regulating value needs to be subjected to feedback correction or not; calculating a feedback correction value of a feed-forward control flow; calculating a flow regulation target value; calculating the actual opening of a gate; adjusting the opening of the gate. The method disclosed by the invention adopts a feed-forward flow control mode and fully considers the influences of division flow and water level dead areas for controlling a water surface profile of the whole channel section, so that water level fluctuation at local points can be flattened and filtered out, the sensitivity to movement dead areas of the gate is reduced, and accordingly frequent operation for the gate is reduced. Storage capacity compensation conditions required by stable water delivery are conveniently realized, so that the phenomenon of water level overswing is effectively reduced, and stability can be more quickly realized. The control principle is simple and clear and easy to realize and grasp, the influences of various disturbance factors can be effectively avoided, the operation and management cost of an open channel is reduced, the water delivery safety is ensured, and the water delivery efficiency is improved.

The invention provides a bilateral laser scanning and welding method of a T-shaped connector, belongs to the technical field of laser machining, particularly relates to a laser welding method of the T-shaped connector and aims to solve the problems that in the thick plate welding process, it is difficult to conduct wire filling, and molten drop transition is not stable. The bilateral laser scanning and welding method includes the steps that 1, the size K/H of a welding pin is determined; 2, a purlin vertical plate is machined; 3, mounting and positioning are conducted; 4, bilateral laser scanning and welding are conducted. By means of the method, high-frequency swing in different scanning width ranges is achieved through laser beams of a laser scanning system, the size of laser power required at different positions in the ranges can be accurately adjusted, approximate continuous adjustment of the size of the laser beam power is achieved, energy of laser beams can be reasonably distributed and utilized, adaptability of laser to T-shaped connectors of different sizes is improved, and the application field of the laser welding technology is broadened.

The invention discloses a micro-channel cold plate structure. The micro-channel cold plate structure comprises a substrate and a micro-flowing-channel network processed on the substrate; and the micro-flowing-channel network comprises a shunting structure, a partial micro-channel network and a confluence structure in a combined manner. The micro-channel cold plate structure has the beneficial effects as follows: reasonable flow deploying of a cooling working medium is realized through T-shaped flowing channels, and then heat transfer is strengthened by tree-like and parallel micro channels; finally, energy re-confluence is realized through inverse Y-shaped two-furcation flowing channels, so that high channel distribution uniformity is realized, and the network can be uniformly distributed in the whole to-be-dissipated region; the overall micro-fluid network is in all-parallel-connection way, so that high temperature consistency is achieved; the cooling working medium flows smoothly in the flowing channels, so that low flowing resistance is formed; and furthermore, the micro channels in each group of the partial micro-channel network are arranged in parallel, and the channels are more in branches and high in span, so that the process can be realized conveniently, partial pressure loss can be lowered, and the heat dissipation performance of the micro-channel cold plate can be further improved.

The invention discloses a method of a smartphone for remotely controlling document transmission. The smartphone is used for communicating with a remote computer through wireless network to acquire document catalogs and names required by users; and then communication information such as IP address is acquired by the connection with a near-end computer through short-distance wireless communication and is offered to the remote computer; finally, network connection is established between the near-end and the remote computers to complete the function of document transmission. The communication both between the smartphone and the remote computer and between the remote and the near-end computers goes through certain rights management to lead to safe document transmission. The invention reduces the problems of hardware configuration and network bandwidth required in the process of document transmission between the smartphone and the computers and solves the safety problem caused by using various document transmission methods among the computers at the same time. Furthermore, the invention has more simplicity and convenience and practicability and is easily realized and popularized.

The invention discloses a device and method for detecting vehicle collision rolling over and automatically calling for help. The device comprises a vehicle-mounted front end, a communication network and a monitoring terminal. The vehicle-mounted front end comprises an MCU, an acceleration sensing unit, a vehicle state monitoring unit, a BD/GPS receiving unit, an input and output module and a GPRS module. The monitoring terminal comprises a plurality of client sides for performing monitoring, and the vehicle-mounted front end is connected with the monitoring terminal through the communication network. The types, the serious degree and the direction of a possible driving fault are preliminarily judged by utilizing variation between the acceleration subjected by a vehicle when the fault happens and the acceleration subjected by the vehicle under the normal condition according to the happening duration, the direction, the degree, the changing history and characteristics of the variation. The problems that a traditional vehicle-mounted device cannot give an alarm remotely, and data collecting and data analyzing cannot be carried out when an accident happens are solved.

The invention provides a virtual reality synthesis method and a terminal. The method and the terminal possess: a first signal source which comprises at least one element of one audio frequency, two videos and pictures; at least one device which externally inputs a second signal including at least one element of the audio frequencies, the videos and the pictures; at least one element which forms the second signal and can separate the second signal. The elements or all information of the first signal and the second signal are superposed, synthesized and output through a three-dimensional terminal. A synthetic and output result can be sent through network. The invention has the following advantages that: decoration or superposition of special efficiency can be achieved to oneself or others through using video and audio frequency contents of database on network or the video and audio frequency contents of other users; a three-dimensional virtual reality effect can be realized; operation is simple; there is no need to increase devices; costs are low and effects are good.

The invention relates to an aerodynamic load loading method used for reliability tests on an aircraft flap and slat system. The method includes the concrete steps that first, aerodynamic loads of each slat in various flight states are obtained through wind tunnel tests or simulating calculation; second, according to the aerodynamic loads of each aircraft slat in various flight states, the resultant force of the aerodynamic loads on the face of each slat in various flight states is calculated; third, the resultant force of the aerodynamic loads on the face of each aircraft slat in various flight states is decomposed into a plurality of component forces, and the magnitudes and the directions of the component forces are obtained; fourth, the component forces in the third step are evenly distributed and loaded to the face of each slat through adhesive tape and a lever system. According to the aerodynamic load loading method, the aerodynamic loads of each slat in various states during a flight period are considered; the aerodynamic loads obtained through tests or simulation can be effectively converted in the loading modes achieved in the tests, and real aerodynamic loads are guaranteed.

The invention discloses a method for realizing a cognitive function of a wireless communication network system with the cognitive function, which is based on an invention patent application named as Wireless Communication Network System with Cognitive Function. The method substantially comprises the following steps of: obtaining cognitive flow; processing the cognitive flow and making a strategic decision; and executing the cognitive decision. When the method is applied to the prior communication network and the further communication network, an essential difference is the obtaining mode of cognitive information and the executing process of the cognitive decision. Based on the invention patent application named as Wireless Communication Network System with Cognitive Function, the invention can realize high cognitive competence for wireless environment, network environment and customer environment and autonomously decision control the wireless network with a set decision criteria based on the cognitive so as to lead the network to develop from a static working mode to a dynamic self-adapting working mode. The invention has a good application development prospect.

This invention discloses one multi-wave signal peak chopping device by pre-processing technique, which comprises the following parts: single wave peak chopping unit to receive the base band signal for cosine shaping filtering, digital frequency and single wave peak chopping; then merging the signals into multi-wave signals; multi-wave peak chopping unit to receive the multi-wave signals for peak chopping, digital down frequency and base signal restoring; digital upper frequency unit to receive the base band signals for cosine shaping and filtering to form the multi-wave merging signal.

The invention discloses a super-hydrophobic loofah sponge for separating oil and water and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing ammonia water and a first solvent, adding an obtained mixture into a mixed solution of ethyl orthosilicate and the first solvent dropwise, reacting to obtain silicon dioxide nanoparticles, and adding a fluorine-containing silane coupling agent for performing surface hydrophobic modification to obtain hydrophobic silicon dioxide nanoparticles; then, fixing the silicon dioxide nanoparticles being subjected to hydrophobic modification to the surface of a loofah sponge with polyisocyanate to obtain the super-hydrophobic loofah sponge. The super-hydrophobic loofah sponge for separating oil and water has the advantages that a synthetic process is simple and feasible, the raw materials are readily-available, a contact angle with water is 156 degrees, high oil-water separating performance is realized, and the oil-water separating efficiency is 98 percent or above.

The invention provides a narrow frame mobile phone structure. The narrow frame mobile phone structure comprises a touch screen 1, a display screen 2 and a mobile phone middle frame 4 which surrounds the touch screen 1 and the display screen 2, wherein the inner side face 41 of the mobile phone middle frame 4 is a horizontal plane, and gaps among the inner side face 41 of the mobile phone middle frame 4, the touch screen 1 and the display screen 2 are sealed with joint sealant. The narrow frame mobile phone structure effectively improves occupancy rate of the screens, enables a whole mobile phone to look beautiful, improves user experience, and simultaneously is simple in structure, and easy to assemble and achieve.

The invention relates to a graphene band prepared with an acid oxidized flat carbon nano-tube and a method for preparing the graphene band. The method includes the specific and main steps: preliminarily oxidizing a carbon nano-tube with acid; oxidizing the carbon nano-tube with strong oxidizers; adding water for hydrolysis; adding hydrogen peroxide for purification; and preparing the graphene band after washing and drying. The acid oxidized flat carbon nano-tube is precisely, directionally and longitudinally cut along the edge of the acid oxidized flat carbon nano-tube, so that the regular and uniform high-quality graphene band is prepared. The method is simple and convenient, is easy to implement and control, and can be used for directional cutting in a wide temperature range and under various oxidization conditions, and preparing the graphene band on a large scale. The prepared graphene band is uniform, regular and narrow, has uniform layers and neat edges, and can be applied to composite materials, conductive and heat conducting materials, sensors, electronic circuits, micro-nano devices and related fields.

The invention discloses a nitrogen-doped carbon nanofiber electrocatalyst and a preparation method and application thereof. The method comprises: dissolving copper chloride dihydrate, polyvinylpyrrolidone and polyacrylonitrile in an N, N-dimethylformamide (DMF) solvent to obtain a spinning solution, then carrying out electrospinning through an electrospinning technique to obtain a copper chloride/polyvinylpyrrolidone/polyacrylonitrile nanofiber membrane, and orderly carrying out hydrothermal treatment, post-treatment, pre-oxidation treatment and carbonization treatment on the nanofiber membrane to obtain the porous nitrogen particle-loaded nitrogen-doped carbon nanofiber electrocatalyst with a certain mechanical strength. The preparation method is simple and is suitable for large-scale production. The nitrogen-doped carbon nanofiber electrocatalyst can be used for electric reduction of carbon dioxide.