539results about How to "Achieve effectiveness" patented technology

The invention provides a real-time three-dimensional double-hand gesture recognition method and system based on binocular vision. The real-time three-dimensional double-hand gesture recognition method based on binocular vision comprises the steps that initial calibration and correction are conducted on an image firstly, the outline of a gesture is extracted, two-dimension gesture recognition is conducted on the extracted gesture outline, the mass center of the gesture outline is calculated, stereo matching is conducted on the mass center obtained through calculation, three-dimensional hand gesture recognition is achieved, and corresponding gestures are displayed in a human-computer interaction module based on the three-dimensional hand gesture recognition. According to the real-time three-dimensional double-hand gesture recognition method and system based on binocular vision, binocular vision information can be utilized, and human-computer interaction, based on the three-dimensional space, of double-hand gesture change of a computer is achieved; meanwhile, extremely high real-time performance and extremely high effectiveness can be achieved, and requirements for hardware are lowered; in addition, the man-machine interaction effect is achieved, and the requirements for real-time performance and effectiveness are well met.

The invention provides an intelligent medicine safety cabinet and an intelligent medicine management system. The intelligent medicine safety cabinet comprises a main cabinet body and an intelligent control device. A cabinet door of the main cabinet body is rotationally connected with a cabinet body, and a door lock assembly is arranged on the cabinet door and used for controlling opening or locking of the cabinet door. A medicine drawer assembly is arranged in the cabinet body and comprises a plurality of drawers, each drawer is internally provided with a plurality of independent medicine storage spaces, and the medicine drawer assembly is used for drawing out the preset drawer to the preset position or pushing the preset drawer into the cabinet body according to control signals. The intelligent control device is used for determining the permission of a user according to identity verification information input by the user and sending the control signal that the preset drawer is drawn out to the preset position or pushed into the cabinet body to the medicine drawer assembly according to the operation function corresponding to the permission. According to the intelligent medicine safety cabinet and the intelligent medicine management system, the medicine storage safety is improved, intelligent management can be carried out on medicine of different types, and tracing and validity period management based on single medicine can be achieved as well.

The invention discloses a multifunctional station line loss management system, and belongs to the field of power generation, power transformation or power distribution. The system comprises an existing transformer area digitalization management system, wherein the transformer area digitalization management system reads power supply and sale quantity information of each outgoing line or each user of a transformer substation to compute line loss; a list of line loss rates of the users in a previous month is exported from the transformer area digitalization management system; a line loss distinguishing data model is established to screen high line loss rate transformer areas; line loss data exception transformer areas are locked; the users in the line loss data exception transformer areas are counted according to power quantity differences of the users during flat and peak load periods; and exceptional power utilization periods are automatically distinguished by comparing the power quantity differences during the flat and peak load periods. The system can increase a distinguishing success rate of transformer area/station line loss factors, can progressively improve an integral line loss control level of transformer areas/stations by virtue of a spiral rising working mode, can gradually reduce an integral line loss rate of a regional power supply network, and can be widely applied to the field of operation analysis and power utilization management of power systems.

The invention discloses a preparation method for a bagasse cellulose nanofiber membrane. The method comprises the main steps of preparing bagasse, preparing bagasse cellulose and preparing the bagasse nano-cellulose membrane. (1) acid-base chemical treatment is carried out; (2) solution is treated through the mechanical methods such as grinding and centrifuging, and uniform biomass cellulose nanofiber is prepared; (3) membrane formation is carried out through vacuum filtration. The preparation method has the advantages that the method is simple, the cost is lower, the popularization is easy, the reclamation and effective recycling of waste are realized, the pollution to the environment is relieved, and the high-value utilization of bagasse is also facilitated.

The invention discloses a phone call intercepting method and device. The method comprises the following steps of: establishing an information list to be intercepted in advance, wherein the information list to be intercepted comprises location and/or area code number segment of phone numbers to be intercepted; monitoring an incoming call condition in a communication terminal to obtain the phone number of the current incoming call; judging whether the location and/or area code number segment of the phone number of the current incoming call is in the information list to be intercepted established in advance or not; and if so, taking the current incoming call as an object to be intercepted, and intercepting the current incoming call. With the adoption of the method and the device, the intercepting of crank calls can be effectively realized; and meanwhile, the effectiveness of realization can be guaranteed.

A facial expression identification method based on a Gabor wavelet and a gray-level co-occurrence matrix. According to the method, firstly, a pure face region in an expression image is extracted by a manual partitioning method and color image gray processing, histogram equalization and scale normalization processing are carried out; then data redundancies of conventional Gabor features are greatly reduced by a method for carrying out block extraction on a Gabor feature statistic, and the gray-level co-occurrence matrix which reflects the image texture features is introduced into the field of expression identification for the first time so as to make up the defect of deficiency of pixel spatial relativity, which is caused by Gabor feature block processing; and finally, a set of low-dimension feature vectors for feature expression are generated and on the premise of ensuring a high expression identification rate, the expression identification rate is greatly improved.

The invention discloses a hydrodynamic-cavitation enhanced water treating apparatus, comprising a pretreatment unit, an enhanced cavitation formation device, a water feedback cycle treatment loop, a multi-parameter water quality detection/display system and a smart automatic control system, wherein the multi-parameter water quality detection/display system is composed of a pressure sensor, a redox potential sensor, a flowmeter, a pH sensor, a conductivity sensor, a dissolved oxygen sensor, a chemical oxygen demand sensor, a total organic carbon sensor, a temperature sensor and an LED (Light-Emitting Diode) touch display screen, all of which are orderly mounted in a water outlet pipeline; the two ends of the water feedback cycle treatment loop are connected to the front section of a water outlet electromagnetic valve and the front end of a water pump of a water inlet pipeline, respectively; and the water outlet electromagnetic valve and a cycle-treatment electromagnetic valve are connected to a programmable controller, respectively. The hydrodynamic-cavitation enhanced water treating apparatus is used for water treatment and purification, and realizes online detection and display of a plurality of water quality parameters and operating parameters therein and automatic control on the operation thereof by means of a plurality of sensors.

The invention discloses a method of a home terminal to access message middleware based on the MQTT protocol, and relates to the technical field of the Internet of Things. The method comprises the following steps: S1, importing home terminal information; S2, requesting, by the home terminal, an authentication service platform, and performing calculation encryption to obtain a check code; S3, sending, by the home terminal, the check code to the authentication service platform for comparison and verification, and returning a security token if the check code is consistent; S4, requesting, by the home terminal carrying the security token, the authentication service platform to obtain the message middleware connection information; and S5, accessing, by the home terminal, the message middleware,and calling, by the message middleware, an authentication service platform interface to perform client identity authentication. According to the method, the authentication information of the message middleware and the device is separated, which is beneficial for the enterprise to perform unify and centralize the device access information and the security token information of the message middleware, thereby reducing the pressure of the message middleware server because of the batch access authentication, and greatly improving the system performance and the security.

The invention provides a multicasting route algorithm of a low-time-delay delay tolerant and disruption tolerant sensor network. The algorithm uses a clustering method to grade a network and divides the network into a plurality of clusters; a cluster head is selected according to a corresponding cluster head selection algorithm, and among-cluster nodes and in-cluster nodes use different transmission manners to carry out information transmission; and with the adoption of the algorithm, the transmission delay of the network can be reduced, and the energy balance of nodes in the network can be realized. The multicasting route algorithm provided by the invention has the beneficial effects that the different transmission modes for the in-cluster nodes and the among-cluster nodes can be realized by clustering the network, so that the delay in grouping, caused by factors, such as blocking, energy and the like, can be greatly reduced; and meanwhile, the life cycle of the network can be prolonged.

The invention relates to a method for improving anaerobic digestion performance of sludge by utilizing microwave alkaline thermal hydrolysis, and the method belongs to the technical field of solid waste treatment. Alkaline solution is firstly added in the sludge with the solid concentration of 7 percent-10 percent for controlling the pH value of the sludge, the mixing is carried out after adding the alkaline solution, the alkalified sludge is placed in a pressure-bearing reactor, the heating is carried out in a microwave field with the frequency of 2450MHz, the sludge heated by microwave is cooled to the room temperature, and the anaerobic digestion treatment is carried out on the sludge after the cooling. More than 60 percent of organic matters in the sludge which is treated by the method are converted to liquid phase; during anaerobic digestion, the conversion efficiency of the organic matters of the sludge is improved, thereby being an effective means for realizing the whole process pollution control, the energy conservation and the emission reduction of sewage treatment.

The invention relates to a fog computing task unloading method for the Internet of Things, and belongs to the technical field of mobile communication. According to the method, bidirectional matching joint modeling are carried out task unloading decisions, transmission resource allocation and computing resource allocation, and FN and IoT equipment to minimize the total overhead problem of the system. Firstly, QoS requirements of the IoT equipment are analyzed based on an analytic hierarchy process, and priorities are established according to different QoS requirements of the IoT equipment; secondly, RB allocation is conducted on the IoT devices, and the number of RBs needed by every IoT equipment is determined; then, computing resource allocation is carried out, and the computing time delayis determined. Based thereon, a bi-directional matching game is established, and a stable association between the FN and the IoT device requesting offloading is determined. And finally, every IoT equipment makes an unloading decision according to the task local computing overhead and the task unloading computing overhead. According to the invention, the total time delay and the energy consumptioncost of the system are reduced, and the stability of IoT equipment association and the effectiveness of resource allocation are realized.

The invention discloses a method for monitoring reservoir patrolling in real time based on three-dimensional GIS. The method comprises the following steps: communicating a mobile terminal platform with a monitoring center to transmit geographic location coordinates and site environment information; constructing a reservoir patrolling spatio-temporal database for recording patrolling task information by the monitoring center; constructing a three-dimensional digital scene model of a reservoir region by utilizing a three-dimensional GIS and unmanned aerial vehicle oblique photography to displaypatrolling track information of the patrolling task and site environment attribute information; updating patrolling task progress in real time, displaying a complete patrolling route change in a three-dimensional digital geographic scene of the reservoir region, and providing real-time browsing of patrolling information; and after finishing the reservoir patrolling task, storing space data acquired in the patrolling task and historical data information, providing task backtracking at any angle of view in the three-dimensional digital geographic scene, and submitting a reservoir patrolling digital report. The method provided by the invention can simulate site conditions and progress of the patrolling task more accurately, and achieve purposes of informationization, contextualization and effectuation of the monitoring of the reservoir patrolling task.

The invention discloses a smart city system, which comprises a function system, a physical system and an information system, wherein the function system is a form of functional performance, the information system is a way of function realization, and the physical system is a carrier for providing a physical support for function realization; the function system is of a five-platform structure; the physical system is of a five-layer structure; and the information system is of a five-domain structure. Detailed division is carried out on the smart city system, and the smart city system accurately describes which functions a smart city realizes and how to realize the functions from three dimensions of the function system, the physical system and the information system. Through setting the technical features, the smart city system with the clear system, the explicit functions, the hardware matching and the clear information transfer can be constructed, the basic model guarantee is provide for final realization of the smart city, and the application range is wide.

The invention discloses a system and a method for realizing real-time tracking of a casting blank, belonging to the field of metallurgical continuous casting. The system comprises a casting blank cutting module, a quality signal processing module, a crystallizer liquid level fluctuation calculating module, a transition blank calculating module, a superheat degree calculating module and a casting blank and abnormal event matching module. According to the system and the method provided by the invention, the accuracy of an online quality judging system can be greatly improved through the real-time tracking of the casting blank; the automatic judgment of the casting blank can be realized; the labor intensity of staff on duty can be greatly reduced; the promptness and the effectiveness of judging the casting blank can be realized; the system and the method create a heating assembly and conveying condition; and meanwhile, the direct installation can be possible, and the production cost is reduced.

The invention relates to a device for testing a fault of satellite on-board software, and discloses a device for testing the single event upset fault resistance of on-board software, which comprises an on-board data managing computer (2), an on-board computer run testing environment (3), a remote injected data receiving device (4), a telemetry data processing device (5) and a fault simulating module (1), wherein the on-board data managing computer (2) is used for running on-board control software; the on-board computer run testing environment (3) is used for observing the danger of the occurrence of the single event upset fault of the on-board software and the time of the fault recovery; the remote injected data receiving device (4) is used for receiving a command, data and a program from the ground; the telemetry data processing device (5) is used for displaying the run state and the fault record of the on-board software; and the fault simulating module (1) is used for automatically simulating a single event upset fault event in a timing manner. The invention solves the problem of on-board apparatus fault test and the single event or electromagnetic pulse jamming, thereby realizing the purposes of evaluating the effectiveness of the measure of resisting the single event and improving the enhancement of the on-board software.

The invention relates to a laboratory data collection and management system. The laboratory data collection and management system comprises at least one laboratory data management system used for a server and at least one laboratory data collection system used for a mobile intelligent terminal. The laboratory data collection system used for the mobile intelligent terminal comprises a terminal data collection module, a terminal data preprocessing module, a terminal data storage module, a terminal data calling module, a terminal data displaying module and a terminal data communication module. The laboratory data management system used for the server comprises a server data communication module, a server data storage module, a server data calling module and a server data displaying module. According to the laboratory data collection and management system, the mobile intelligent terminal is used for obtaining data in real time, the server is used for gathering and managing the laboratory data, and therefore it is guaranteed that all the laboratory data can be effectively stored and managed for a long time and all researchers can call the laboratory data within authority limits of themselves.

The invention relates to a non-air conduction speech enhancement method based on wavelet-packet energy; based on decomposing and reconstructing speech signals by applying wavelet packet analyzing technique, threshold valve self-adaption adjustment is carried out on decomposed wavelet-packet coefficients from two aspects of scale and time, and then the coefficients are reconstructed so as to realize noise self-adaption elimination of the speech signals, thus realizing algorithmic availability and stronger pertinence. The embodiment of the method shows that the non-air conduction speech enhancement method can effectively make up the weakness of the poor pertinence of the traditional speech enhancement method, has high execution efficiency and obvious effect; therefore, the method has stronger practical value and application prospect.

The invention discloses an active soil gas collecting device and collecting method. The active soil gas collecting device comprises a gas collecting bag, a gas sampling device, a filter, a nylon gas guiding pipe and a soil gas sucking and filtering device, wherein the gas sampling device is composed of a diaphragm pump, a regulating valve, a buffer, a flow meter, an electronic time-controlled circuit, an under-pressure indicating circuit, a power supply, a gas inlet and a gas outlet, wherein the soil gas sucking and filtering device consists of a fixed cylinder frame, a filter net, gravel, a nylon gas guiding pipe and a threaded pipe joint. When a soil gas is collected, the gas inlet pipe of the gas sampling device passes through the filter, and is connected with the nylon gas guiding pipe of the soil gas sucking and filtering device by virtue of a flexible through connection pipe, and the gas collecting bag is connected with the gas outlet pipe of the gas sampling device. The active soil gas collecting device can be used for collecting the soil gas in an existing monitoring cell, and can be distributed in soil of different depths according to a test requirement for collecting soil gases of different depth ranges, can be used for realizing long-term monitoring in the fixed-point soil, is simple in structure, high in soil gas collecting efficiency, and convenient and rapid to operate, and has a good effect.

The invention discloses an EVA damping element capable of effectively integrating EVA waste heads, effectively and completely developing performance characteristics of the EVA waste heads and realizing the effective secondary recovery of the EVA waste heads, and a shoe sole with the damping element. The EVA damping element comprises an element body with a filling groove, gel medium is fully filled in the filling groove, and EVA waste head particles are distributed in the gel medium; the EVA waste head particles are obtained through cutting up the EVA waste heads, and the maximum radial dimension of the EVA waste head particles is smaller than the groove depth of the filling groove; a sealing plate covers the notch of the filling groove of the element body, and the sealing plate enables the filling groove to form a closed space.