84results about How to "Resolve interaction" patented technology

The present invention provides a multi-source photoelectric integrated power supply, storage and saving method and a device. The device system is at least provided with a wind power storage unit and a photoelectric storage unit and can also be increasedly provided with a circuit redundancy storage unit to simultanesouly implement the energy recovery at a plurality of points. The method complements the energy time difference of nature so as to meet the work requirement of the system when multiple points carry out power storage, charging and supply to one point by the intelligent control method. The present invention can recover and store the optical energy at the same time of using power for illumination; the fully charged battery can directly light a plurality of lamps. In addition, the power in the battery can be DC / AC converted so as to drive fan, computer, TV and other household appliances, thus achieving the aim of fully utilizing the energy of the nature and combining with commercial power to save energy through the system optimization treatment. The present invention adopts a plurality of technologies for comprehensive treatment of light, wind and power and optimal utilization and the energy saving rate is up to 89.2%.

An intelligent teaching management system comprises a multimedia playing device, a multimedia input device, a computer, an intelligent terminal, a router and a management server. The intelligent terminal comprises a first control module, a first communication module and a first multimedia input module, wherein the first communication module and the first multimedia input module are connected with the first control module. Communication between the computer and the management server is established, and through the first communication module, a local area network is established between the intelligent terminal and the computer through the router. In the intelligent teaching management system, a teacher gives lessons by combining the computer with the multimedia playing device and the multimedia input device, students can discuss difficult problems through the intelligent terminal, the whole process is recorded by equipment and sent to the management server, the office of academic affairs or remote students know the lesson giving process through the management server, therefore, combination of local multimedia teaching and remote network education is realized, the problem of interaction between the local students and the remote students is solved, the learning initiative of the students is improved and the teaching efficiency of the teachers and the learning efficiency of the students can be improved easily.

The invention relates to a novel antenna radiation unit. The novel antenna radiation unit is arranged above a reflective plate; the novel antenna radiator unit is characterized by comprising two intersecting supporting parts, a radiation surface and a corresponding feed part; the radiation surface comprises two pairs of orthogonal dipole radiation arms, and at least a parasitic apparatus, wherein the parasitic apparatus is arranged in the periphery of the radiation arms. The antenna, by adopting the radiation unit disclosed by the invention, can effectively solve the problems of narrow bandwidth and low isolation degree in the prior art, and can achieve an effect of decoupling and resonance eliminating in the multi-band antenna.

The invention relates to a multilayer ore body three dimension cooperation mining method. The invention relates to a slightly inclined multilayer thin-medium ore body three dimension cooperation mining method. The method comprises the following steps: 1) recombining multilayer ore body to one or several ore groups, communicating a main transport tunnel at the lower part of the ore group with the peripheral part of the ore body through a winze system, employing uniform accurate mining by the ore group, backstopping by layering and subsequently filling; 2) dividing panels along the tendency by each layer of ore body, dividing mining areas along the direction, performing aligned arrangement of the panels columns of upper layer ore body and lower layer ore body and the mining areas column on three dimensions; respectively arranging a main route and a branch route between the panels and the mining areas, wherein a multilayer ore body backstopping sequence is upwardly backstopping in order, and homoeomerous ore body is upward exploitation, exploiting from the bottom panels to the upper mining areas in order, and then using upper developing / accurate mining waste stone to fill a bottom goaf; and 3) employing an organic combination mode of drilling rock by a rock drilling chassis, ore removal by a scraper, conveying by a well lorry and transporting by an electric locomotive. According to the invention, the mutual influence and mutual restriction during the multilayer ore body backstopping process can be furthest reduced, the work interference between the upper layer and the lower layer is less, the loss and depreciation can be effectively controlled, and the production cost is greatly reduced.

The present invention provides a face expression identification method based on a video time sequence, and relates to the image processing technology field. The method comprises: performing division of image materials obtained after video framing, finding out a complete dynamic expression, employing a face calibration tool to extract the face feature points of each set of expressions, performing geometric normalization processing of the obtained face feature points, calculating the maximum value, the minimum value, the average value, a peak, a skewness, the DFT (Discrete Fourier Transform) peak and the frequency of coordinate sequence of each feature point, employing a PCA (Principal Component Analysis) to perform dimension reduction, remove redundant data, taking as expression feature factors, and finally employing an SVM (Support Vector Machine) or k-NN (k-Nearest Neighbor) to perform learning and identification of the feature vectors to obtain a final expression result. The identification of a learner's dynamic expression is introduced in online learning to identify the most common five expressions such as amazing, carefulness, sleeping, talking and laughing, the identification rate is high, the interaction problem of MOOC (Massive Open Online Course) is effectively solved, and teaching feedback practicality is high in classroom.

The invention relates to a network security evaluation technology, aiming at providing a security comprehensive evaluation system and a security evaluation method of an Internet of Things system. In the computer of the system, an information input module, an remote scanning module and an flow analysis module are connected to an risk assessment module by electrical connection. The cloud end serverof the Internet of Things is respectively connected with each Internet of Things device through the Internet, and a flow monitoring module is respectively arranged on the cloud end server of each device of Internet of Things, and each flow monitoring module is bypassed to the flow analysis module and the remote scanning module in an electrical connection mode; The remote scanning module contains aweak password library, PoC detection module and PoC detection script library, and PoC probe. The invention considers the factor of the administrator, and carries out analysis together with the remotesafety scanning and the flow monitoring, and comprehensively carries out safety assessment and analysis. Without intruding into the existing Internet of Things system, neither probes are added in theInternet of Things equipment, nor affect the original Internet of Things cloud server is affected.

The invention discloses a SVG-based multi-objective on-line regulation and control method for power quality management equipment group, comprising the following steps: real-time collecting bus voltage, current and load current signals and calculating system parameters; The capacity of the power quality management equipment group is allocated, and the intelligent allocation strategy is adopted to control the equipment. The load harmonic distortion rate and its contents are measured, and the frequency dividing compensation strategy is used to control the equipment. According to different controltargets, the adoption of an intelligent allocation strategy, Energy replacement strategy and frequency division compensation strategy can optimize the equipment configuration, coordinate and controlthe output proportion of equipment group, realize the multi-objective automatic regulation and control of power quality management equipment group in the region, solve the mutual influence problem between multi-power quality management equipment, and improve the overall power quality management ability and efficiency.

The invention discloses an apparatus and method for realizing frame synchronization between time-division duplex synchronizing code division multiple access base stations. The invention takes global positioning system (GPS) as reference; each base station gets frame number consistent to other base stations' according to the time information provided by GPS; the control clocks of each base station keep frequency and phase synchronizations with the pulse timing signal of GPS by loosely-coupled phase-locking mode. Without the participation of wireless network controller, the base stations can get same phase, same frequency and same frame time. It has the advantages of short locking time and zero frequency and phase cumulative error.

The embodiment of the invention provides a display panel and a driving method thereof and a display device. The display panel comprises M*N display units arranged in an array, in the mth display row,the display units of the odd number display column are connected with the mth grid line, and the display units of the even number display column are connected with the (m+1)th grid line; and in the nth display column, the display units of the odd display rows are connected with the first data lines, and the display units of the even display rows are connected with the second data lines. Accordingto the embodiment of the invention, the display units of the odd-numbered display columns and the display units of the even-numbered display columns are respectively connected with different grid lines; and the display units of the odd display lines and the display units of the even display lines are respectively connected with different data lines, so that the problem that the threshold voltage compensation capability of the display panel with higher refresh frequency is insufficient is solved, the problem that potentials on adjacent data lines influence each other is solved, and the displayquality is improved.

The invention discloses a cloud-edge cooperative voltage reactive intelligent control system, which comprises a voltage reactive control layer based on cloud-side cooperative computing and a voltage reactive control layer based on station-side edge computing, and realizes reactive control of first harmonic control and then reactive compensation, first local-station self healing and then cloud-sideoptimization. The invention further discloses a new voltage reactive power control technical scheme based on two-stage optimization. According to the first-stage optimization scheme, harmonic controland reactive power compensation are carried out in sequence, and the problem that mutual influence exists between harmonic control and reactive voltage is solved; according to the second-stage optimization scheme, local-station self healing and cloud optimization are carried out in sequence, the contradiction between control real-time control and whole-network cooperative control of the voltage reactive power is solved, so that the difficult problem that voltage reactive power control cannot be always in an optimized operation state for a long time in the field is solved, the effect from quantitative change to qualitative change is achieved, the requirements of energy conservation and emission reduction of terminal users are met to the maximum extent, and enterprises, social and economicbenefits and social benefits are improved.

A light-emitting type digital display furnace roller precision measurement device provided by the present invention comprises an examination shaft, dial indicators, a frame-type gradienter, a connection swinging rod and a digital display dial indicator. The two dial indicators are connected with the examination shaft movably, the center lines of the measuring rods of the dial indicators are parallel with the shaft center line of the examination shaft, and the frame type gradienter is arranged on the outer circumferential wall of the examination shaft. One end of the examination shaft is connected with a roller shaft of a furnace roller detachably and coaxially, and the other end is connected with the lower end of the connection swinging rod vertically. A contact type indicating lamp is arranged on the upper end face of the connection swinging rod, the upper end of the connection swinging rod is connected with a cross bar connected with the digital display dial indicator, and a switch circuit of the contact type indicating lamp is connected with the digital display dial indicator and a reference steel wire separately. The light-emitting type digital display furnace roller precision measurement device can measure the efficiency and the precision, enables the labor intensity of workers to be reduced, can eliminate the potential safety hazards, and can effectively relieve the problem that there is not existed enough time to overhaul a travelling crane annually.

The invention discloses a superfine particle tailing reservoir heightening and capacity expanding stacking-discharging structure capable of achieving one-time dam building by adopting a center line method. The structure is formed by combining an original tailing blocking dam (1), a dam abutment flood intercepting trench (12), a first-stage heightening dam body (2), a second-stage heightening dam body (3), a third-stage heightening dam body (4),..., and an nth-stage heightening dam body; a row of medium-coarse tailing drainage blind drains (9) which are parallel to one another and perpendicularto the axis of the corresponding dam body are constructed in the portion on the top layer of each stage of heightening dam body; draining communication pipes (7) and underground water collecting pipes (11) are laid; drainage floral tubes (8) are buried in the medium-coarse sand drainage blind drains (9); and layers of high-strength anti-corrosion geogrid (6) are laid every 0.5-1.0 m of verticalinterval. According to the invention, solidification of fine particle tailings is accelerated, the mechanical strength index of the fine particle tailings is improved and increased, thus, the capacityof a tailing reservoir is remarkably increased, the production service life is prolonged, and meanwhile, the problems that the capacity of parts of waste dumps are not enough, and mining waste rock is stacked are solved.

The invention puts forward a 3D (Three-dimensional) live-action VR (Virtual Reality) manufacture method, and solves the problems in the prior art that 3D live-action VR can not be truly realized. Themethod comprises the following steps that: collecting a 360-degree panorama photo sequence, and storing the collected panorama photo sequence; in a green tent, shooting a three-dimensional image, taking a position in the panorama photo sequence corresponding to a shot object as an initial angle, carrying out tracking shooting on the shot object, and storing the shot three-dimensional image and trajectory information; and calling the stored panorama photo sequence as a background, and implanting the stored three-dimensional image. By use of the 3D live-action VR manufacture method, a watcher can truly feel the charm of the 3D live-action VR.

The invention discloses a university-enterprise cooperation network service system, and the system can be commonly used for university-enterprise cooperation. The system provides talent demand information of an enterprise, the details of cooperative projects of the enterprise, the information of specialties of registered universities, the university-enterprise cooperation information, the latest news and online messages. The system is advantageous in that the system enables the university-enterprise information resources to be shared fully, provides a low-cost and high-efficiency communicationplatform for an enterprise and a university, and effectively promotes the deep cooperation of the two sides.

The invention provides a novel communication method and a novel communication terminal. The communication method and the communication terminal solve the problem of mutual interference of signals of a long-distance service data transmission device and a short-distance card swiping transaction device due to the fact that the long-distance service data transmission device and the short-distance card swiping transaction device are excessively near to each other. A control module in the communication terminal is used for coordinating work of a telecommunication module and a near field communication module in a time-sharing multiplex mode, mutual influence of transmission of low-power short-distance card swiping transaction service data and high-power telecommunication service data is avoided, thus, a short-distance card swiping transaction data communication function and a long-distance service data transmission function can be arranged in the same entity product in a coexistence mode, various service requirements are satisfied, and requirements for environment resources for loading related service requirements are reduced.

The invention discloses a method for development of a video game wireless controller and an interactive entertainment cloud platform system based on a mobile device. Compared with control modes by the use of a mouse, a gamepad and other external devices of a game machine, the method provided by the invention has the characteristics of cloud computation, Internet of Things, automation, interaction, socialization and entertainment. Specifically, the method comprises a first step of creating a mobile application program with a wireless video game controller function; a second step of t installing he mobile application program on a variety of mobile devices such as mobile phones and tablet computers to achieve that a mobile phone acts as a mouse, the mobile phone acts as a gamepad of a game machine and the mobile phone acts as other external devices; a third step of connecting a mobile device installed with the mobile application program to a cloud computation center through for mobile Internet to carry out interactive entertainment games; and a fourth step of connecting the mobile device installed with the mobile application program to the cloud computation center via the mobile Internet so as to connect the mobile device installed with the mobile application program.

The invention relates to a device for measuring sludge specific resistance, in particular to a pressure filter type sludge specific resistance measuring device. It consists of two parts, the liftable support part and the sludge specific resistance measurement part, and there is a connecting device between the two parts; the main body of the liftable support part is a support platform, and the lower part is supported by a set of hydraulic support rods, which are installed on A platform with four lockable universal wheels; the sludge specific resistance measuring part has three main parts, including a metering tube, a Buchner funnel and a cylinder; there are sealing rings and pads between the Buchner funnel and the cylinder The filter medium is placed on the Buchner funnel; the cylinder is connected to the pressure buffer bottle through the connecting valve and the connecting pipe, and the connecting pipes are respectively equipped with sub-control valves. The invention can ensure the tightness of the device and the sludge filtration efficiency, the device has better mobility and stability, solves the problem of mutual influence between groups, and improves the measurement accuracy.

The invention relates to a method capable of realizing single-channel sealing of a multi-core connector, and the multi-core connector. According to the method, signal mounting holes and at least two power mounting holes are formed in shells of a plug end and a socket end; an annular groove allowing an adaptive socket end mounting hole to be inserted is formed between the plug outer shell and the periphery of the front end of the inner mounting hole of the plug outer shell; an inserting surface sealing piece of which the inner peripheral surface is in interference sealing with the periphery ofthe mounting hole is arranged in the annular groove; a conducting wire sealing piece is arranged on a conducting wire at the tail portion of a power / signal assembly in an interference sleeving manner;each power / signal assembly is loaded into the corresponding mounting hole; the conducting wire sealing piece of which the inner circumferential surface is in interference sealing with the conductingwire and the outer circumferential surface is in interference sealing with the mounting hole where the conducting wire is located is pressed in the mounting hole through an end cover at the tail; anda socket is inserted into a plug, so that the inner circumferential surface of each mounting hole of the socket is in interference sealing with the outer circumferential surface of the inserting surface sealing piece. According to the multi-core connector, each loop is sealed by an independent sealing piece, so that the problem of mutual influence among multiple channels in the multi-core connector is solved.

The present invention provides a switching power source and a voltage output method. The switching power source comprises: a multi-unit series PFC circuit, wherein the output end of the PFC circuit isconnected with N buses, and an output filter capacitor is connected between each two lines in each bus, wherein N is an integer being larger than 1; a direct current isolation unit, wherein the inputend of the direct current isolation unit is connected with the N buses, one pair of output ends of the direct current isolation unit are respectively connected with a pair of input ends of a secondary power source, and the direct current isolation unit is configured to isolate from the direct current on the input ends of the direct current isolation unit; and the secondary power source, wherein apair of input ends of the secondary power source are respectively connected with a pair of output ends of the direct current isolation unit, and an input filter capacitor is connected between the pair input ends. According to the invention, the technical problem is solved that each output BUS voltage is mutually influenced in the switching power source and the system has potential safety hazardsat outage in the prior art.

The invention relates to a Facts equipment compensation method for improving static safety margin under the condition of N-1, and belongs to the technical field of power systems. The method achieves the judgment of nodes under the worst conditions through employing the selection and comparison of margin of a power system under the condition of N-1, obtains the site selection and constant volume of Facts equipment for compensation, and achieves a purpose of improving the static safety margin of the power system. The method specifically comprises the steps: selecting a node load as a margin index of a node, calculating margin indexes under all conditions of N-1, and finding out the worst condition and the worst node; obtaining a node with the maximum participation factor in the power system through comparison according to the size of participation factors of all nodes, and enabling the Facts equipment to be placed at the node with the maximum participation factor; solving a model formed by the above target function and constraint condition through a fixed point traversing method, and obtaining the constant volume of the Facts equipment. The method can improve the static safety stability of the power grid in the most effective manner, and is of great significance to a power grid operation dispatching department and the planning of the power grid.

The invention discloses a supermarket shopping cart with an infant deck chair. The supermarket shopping cart comprises a cart body. The cart body is provided with a shopping basket and an infant cabin. The infant cabin is arranged at the upper portion of the cart body and internally provided with a foldable seat cushion for an infant to sit or lie on. The shopping basket is installed at the lower portion of the cart body in a sliding manner through a left rail and a right rail in the front and back direction. The forward sliding position of the shopping basket is an interactive pushing position for vertical alignment with the infant cabin, and the backward sliding position of the shopping basket is an object selective purchasing position or an object paying position for vertical dislocation relative to the infant cabin. By the adoption of the supermarket shopping cart, the current situation that a person has to push the cart and hold the infant when carrying the infant to go shopping is avoided, the purpose that the person goes shopping and interacts with the infant at the same time is well achieved due to the fact that the infant cabin is designed on the cart, shopping and payment are not affected, and the cart is a human-friendly supermarket shopping cart for the infant to lie and sit on.

The invention provides an automatic separator of elbows, comprising a mounting seat, a transition plate and a slider. The transition plate is arranged on the mounting seat and is provided with a transition channel; one end of the transition channel is used for communicating with an elbow arrangement device such that the elbows arranged are fed into the transition channel one by one; the slider isslidably arranged on the mounting seat in a preset direction and is provided with a positioning groove, wherein the slider has first and second preset positions to allow sliding in the preset direction; when the slider slides to the first preset position, the positioning groove faces the transition channel and is communicated with the same such that one elbow in the transition channel enters the positioning groove; when the slider slides to the second preset position, the positioning groove and the transition channel are separated such that the elbow entering the positioning groove is separated from a next elbow entering the transition channel. Therefore, the elbows arranged can be separated one by one such that clamping with a clamp is facilitated. The problem of the prior art is solved that upon picking of arranged copper elbows, the adjacent elbows affect each other.

The invention discloses a method for checking parameters of an activated sludge mathematical model. The method mainly includes the first step of constructing the activated sludge mathematical model and determining basic data for model parameter checking, the second step of screening the parameters, needing to be checked, of the activated sludge mathematical model, the third step of conducting identification and ranking analysis on parameter sets, needing to be checked, of the activated sludge mathematical model through the calculation methods of sensibility, a colinearity index gamma k and an identifiable degree rho k, the fourth step of solving the parameter sets by adopting the weighted error quadratic sum of four indexes of COD, NH4<+>-N, TN and TP of discharged water as an objective function according to the model so that checked model parameter sets can be obtained, and the fifth step of substituting the checked model parameter sets into the activated sludge mathematical model to carry out dynamic examination and examining whether parameter checking meets requirements or not. According to the method, the needed workload is small, calculation precision is high, the problem that the parameters influence one another is reduced or solved, and the method can be widely applied to checking parameters of various activated sludge treatment process mathematical models.

The invention relates to a backwashing device of a microfilter. The backwashing device comprises a backwashing water tank, a disinfectant storage tank and a backwashing water pump, the backwashing water tank is communicated with the microfilter water purification tank body through a water inlet pipe, a floating ball switch is arranged at the tail end, extending into the backwashing water tank, of the water inlet pipe, and when the floating ball switch floats to a set position, the water inlet pipe is blocked, and when the floating ball switch falls to another set position, the water inlet pipe is opened; the water inlet end of the backwash water pump is connected with a water pump water inlet pipe extending into the backwash water tank, the water outlet end of the backwash water pump is connected with an inlet of the Venturi tube, a negative pressure tube of the Venturi tube extends into the disinfectant storage tank, and an outlet of the Venturi tube is communicated with the high-pressure backwash tube; a row of backwash nozzles arranged at intervals are arranged at the lower part of the high-pressure backwash pipe, and the adjacent backwash nozzles are staggered by a set angle back and forth.

The invention provides a communication antenna mounting support and a power communication shared tower with the same, and belongs to the technical field of power and communication engineering. The communication antenna mounting support comprises a horizontal support, support diagonal bracings and reverse diagonal bracings; the first end of the horizontal support is connected with the end of a cross arm, and the second end of the horizontal support is connected with the lower part of an antenna; the first ends of the support diagonal bracings are connected with the lower end face of the cross arm, and the second ends of the support diagonal bracings are connected with the upper part of the antenna; and the reverse diagonal bracings are arranged between the horizontal support and the supportdiagonal bracings. Through connecting cooperation of the horizontal support, the support diagonal bracings and the reverse diagonal bracings, the communication antenna is mounted on the power communication shared tower without being sheltered and can also be folded up, and the phenomenon that a power transmission line is forced to be subjected to a power failure due to antenna overhauling is avoided.

The invention relates to the technical field of data acquisition and communication, particularly discloses an intelligent temperature acquisition system, the system comprises an on-site acquisition module, a data conversion module and a real-time communication module and further comprises a front-end connection line, the front-end connection wire comprises a power line, a communication line and ananalog quantity measurement front-end signal connection line, and the communication line is a 485 dual-bus communication line, thus, a problem that the existing single bus cannot simultaneously perform communication and produces mutual influence, cannot be connected to two different systems and cannot realize a real dual-bus network is solved effectively; moreover, network redundancy configuration is improved, and communication security is guaranteed.

The present invention discloses a magnetic resonance coupling space high-frequency magnetic field intensity measurement device and method. The device comprises a coil installation groove, a connection piece and a signal processing printing circuit board. An induction coil is installed in the coil installation groove, and the signal processing printing circuit board is connected with the coil installation groove through the connection piece. The signal processing printing circuit board comprises a variable damping resonant network, an input buffer stage, a peak detection circuit, a variable gain amplification circuit, a sampling holder, an ADC switching circuit, a microprocessor and a single-pole double-throw switch. The magnetic resonance coupling space high-frequency magnetic field intensity measurement device and method regulate the damping state of a variable damping resonant network to find a resonance peak to allow the sensor and a space magnetic field to keep in a critical coupling state so as to realize measurement of a magnetic field, reduce the influence of a current sensor on the space magnetic field to be measured or an adjacent magnetic sensor in a strong coupling state, and make up the deficiency of low sensitivity of the magnetic sensor in weak coupling.

The invention discloses a vehicle control device and method, and a vehicle. The device comprises a primary master control module and at least one secondary sub-control module; the primary master control module is respectively connected with each secondary sub-control module, and each secondary sub-control module is externally connected with at least one application load; each secondary sub-controlmodule is used for determining a target application load according to received application feedback information of the corresponding external application load and feeding back the target load information of the target application load to the primary master control module; the primary master control module is used for formulating a power supply distribution rule according to the target load information and supplying power to the secondary sub-control modules according to the power supply distribution rule; and the secondary sub-control modules are also used for supplying power to the externalapplication loads according to the power supply distribution rule. According to the technical scheme of the embodiment of the invention, the modularization of vehicle application load control is improved, the processing flow of electric quantity distribution management is simplified, the independence among application loads is improved, and the stability of vehicle operation is improved.

The invention discloses a method for predicting the concentration of dissolved gas in transformer oil based on EMD-RF. The method comprises the following steps: firstly, carrying out empirical mode decomposition on original concentration sequences of seven characteristic gases dissolved in the transformer oil to obtain sub-sequences IMF1 to IMFn and a residual component RES; constructing random forest prediction models RF1 to RFn+1, respectively normalizing the decomposed sub-sequences to serve as input vectors of a random forest model, training the constructed random forest models RF1 to RFn+1 to obtain a predicted value of each sub-sequence component, carrying out reverse normalization processing, and superposing all the data subjected to reverse normalization processing to obtain a final prediction result; and comparing the actual values of the characteristic gas concentrations, and evaluating the prediction performance of the model through error analysis of the prediction result and an actual value. The method solves the problems of mutual influence among seven characteristic gas concentrations and low prediction precision, the change trend of the concentration of the dissolvedgas in the oil can be accurately predicted, and an important basis is provided for subsequent preventive maintenance of the transformer.