140results about How to "Guaranteed efficient" patented technology

The invention discloses a DSP (Digital Signal Processor)-based quad-rotor unmanned aerial vehicle autonomous hover control system and method. The control system is provided with four screw propellers and control units which are arranged on four airfoils respectively; and each control unit is that a master control unit is connected to a ground computer through a wireless network, and a receiver is connected with a signal conversion module and a manual / automatic switching chip in sequence, transmits a received signal transmitted by a remote controller into the manual / automatic switching chip through the signal conversion module, is also connected with the manual / automatic switching chip through the master control unit and is used for transmitting the received signal to the manual / automatic switching chip through the master control unit for controlling driving units to drive direct current brushless motors on the four screw propellers to work. According to the method, kalman filtering processing is performed on sonar data to obtain accurate height data and driver control. According to the system and the method, the autonomous flight capacity of a micro quad-rotor unmanned aerial vehicle and the adaptability to the environment can be effectively enhanced, and the autonomous flight control under indoor environments and outdoor environments can be finished.

The invention relates to a kind of microbic reagent curing breed aquatics water by multi-bacteria. It can degrade and transform organic contamination of water, prohibite the growth of harmful algae and pathogeny bacteria, and promote propagation of beneficial creature, forming good entironment for growth of aquatic animal. Environment select breed and abduction select breed are adopted in this invention, spontaneous aberration and directional breed are combined, fermentated technology of original compound breed and domestication are used to make many bacteria of improved water mixed and matched each other. What' s more, growth factor and special carrier are added for promoting the growth of microbe, guaranteeing the efficiency of improvement. This product can take the place of antibiotic in feed, producing organic farm products which are green, safe and antibiotic-free.

The invention relates to the field of machinery manufacturing, and specifically relates to a forming device used in soft-package lithium battery automatic edge cutting, edge folding, and edge burning. The device comprises a loading and unloading device, and a plate loading, cutting, folding, and burning device. The loading and unloading device comprises a CCD visual positioning mechanism which is connected with an X, C axis correction mechanism. A turntable loading and unloading manipulator is arranged above the X, C axis correction mechanism. The plate loading, cutting, folding, and burning device comprises a turntable mechanism. The loading and unloading device, a double edge-cutting mechanism, a preheating mechanism, a 90 DEG C edge folding mechanism, a 150 DEG edge folding mechanism, and a 180 DEG edge trimming mechanism are sequentially arranged on the periphery of the turntable mechanism. With the device, battery packaging forming is sequentially completed. Therefore, edge cutting accuracy and high efficiency are ensured, soft package corner breakage during edge folding can be effectively prevented, and same high-precision edge folding effects on the two ends of the battery core can be maintained.

The embodiment of the invention provides a train-train communication management method for train operation control. The train-train communication method comprises the steps that after a train is started, the train sends information of the train to a ground train management unit, and the ground train management unit returns information of all trains in the jurisdiction range of the ground train management unit to the train according information inquiry after receiving the information; the front train is recognized, the relevant trains are determined according to the operating path information of the train and the train information provided by the ground train management unit, communication between the ground train management unit and the relevant trains is initiated, the train exchanges position information with the front train, and the specific position of the front train is determined; and the relation between the train and the front rain is recorded in real time through a train-train communication management module. By adoption of the train-train communication management method, direct communication between the following trains is achieved, safety of key train control information is ensured under all travelling scenes, travelling safety and efficiency are ensured, and the purposes of weakening the functions of ground equipment, decreasing the number of the ground equipment or omitting the ground equipment, optimizing the system structure and reducing safety hazards are achieved.

The invention provides a method and system for configuring optical network unit (ONU) equipment. The method comprises the following steps: connecting an equipment signal read-write converter with the ONU equipment by a connecting line and connecting a configuration terminal with the equipment signal read-write converter in a wireless manner; reading the SN configuration files prestored in the configuration terminal and obtaining the SN; and calling configuration software prestored in the configuration terminal according to the equipment type, writing the SN into the configuration software, the configuration software automatically implementing the configuration command needed by the configuration mode and writing the SN into the ONU equipment by the equipment signal read-write converter. The invention provides a set of cheap and wieldy universal-type ONU equipment configuring read-write systems which are convenient for the engineering adjusting and testing personnel or installation andmaintenance personnel to use and improve the working efficiency.

The invention relates to a roadway rapid integrated tunneling system, and belongs to the technical field of roadway tunneling, anchoring and transportation devices. The roadway rapid integrated tunneling system comprises multiple top plate support devices, a heading machine located below the top plate support devices, an anchor rod operating vehicle located at the rear portion of the heading machine, and a dedusting air supply system arranged along the roadway; a support conveying device used for conveying the anchor rod support area top plate support devices to an empty-support area to support is arranged on the heading machine; the tail portion of the heading machine is provided with a second conveying machine for conveying materials; and the anchor rod operating vehicle spans the secondconveying machine. The roadway rapid integrated tunneling system can realize comprehensive mechanized operation of roadway tunneling, support, anchoring and transportation, solves the problems of lowefficiency, dispersed equipment and high labor intensity of traditional tunneling methods, and can provide a good safe working environment for workers, and the labor intensity is reduced. The roadwayrapid integrated tunneling system can improve the tunneling efficiency and is beneficial to the coal mining, downsizing and increasing efficiency, and creates conditions for the mechanized and intensive production mode for the mine.

The invention discloses a controller of a whole electric automobile. The controller comprises a single-chip microcomputer, a power supply module, a switch signal acquiring circuit, an analog signal acquiring circuit, a driving circuit, a CAN communication interface circuit and a frequency signal acquiring circuit, wherein the input port of the single-chip microcomputer is connected with output signals of the power supply module, the switch signal acquiring circuit, the analog signal acquiring circuit and the frequency signal acquiring circuit, and the output port of the single-chip microcomputer is connected with input signals of the driving circuit and the CAN communication interface circuit. Through the adoption of the controller disclosed by the invention, the intellectualized regulation and control of regenerative braking systems is realized; two kinds of cooling modes can be controlled to separately or simultaneously work according to the working conditions of the whole electric automobile and a motor; whether an air conditioner can be started or not can be judged according to the request switch of the air conditioner and the running conditions of the whole electric automobile; the controller can be combined with traffic jam signals so as to lower the frequency of the air conditioner when the traffic jam occurs; whether an electric power-assisted steering and electric air compressor needs to be started can be judged according to the running conditions of the whole electric automobile, so that the energy conservation and high efficiency of the whole electric automobile system can be guaranteed, the functions are comprehensive, and the integration level is high.

The invention belongs to the field of electrochemistry, and relates to a preparation method of a highly dispersed NiCo alloy-graphene nanometer composite catalyst. The preparation method comprises following steps: functionalized nanometer graphene is prepared; oxidized graphene is dispersed in deionized water, the above functionalized nanometer graphene is added with stirring, the pH value is adjusted to 7, a nickel source compound solution and a cobalt source compound solution are added drop by drop, an obtained precipitate is collected, and is washed with deionized water, and dried so as toobtain a nickel cobalt-oxidized graphene compound; calcination is carried out at a gas atmosphere so as to obtain the NiCo alloy-graphene nanometer composite catalyst. According to the preparation method, synthesis process is simplified; small size NiCo alloy nanometer particles are uniformly dispersed on graphene sheet layers; accumulation of nanometer particles is avoided; the NiCo alloy particles are provided with relatively large specific surface area; cost is low; and batch production can be realized.

The invention relates to a multicast management system based on a mark, comprising a multicast source, a receiving node, an AR, an MC and an MR, wherein the AR is used for receiving a multicast joining request of the receiving node; the MC is used for distributing an MGI being suitable for the AR; and the MR is used for establishing a route with the AR and transmitting multicast state information to the MC. The invention realizes management based on a node mark, guarantees the safety of multicast source data entering a network, also guarantees that the node can still maintain an own multicast service state after a network access position of the node is changed and can be applied to any types of networks.

The invention belongs to the field of integrated circuits, and particularly relates to a method used for increasing display speed in the aspect of viewing related waveform images, guaranteeing display precision at the same time, and reducing memory consumption. According to the method, waveform data are read into a memory according to display requirements of users, and if the consumed memory exceeds a specified value, the waveform data which are read in and are inactive at present are called out of the memory and written in a hard disk, so that it is guaranteed that storage space required by the waveform data cannot be too large. Meanwhile, according to a waveform range needing to be displayed by the users, original waveform data are obtained; according to display density requirements, interpolation is conducted on the original waveform data; meanwhile, peak points are detected and kept, and high precision of waveform display is kept.

The invention provides a network data auditing system. A plurality of AP equipments perform simple analysis on to-be-analyzed network data and simple analysis data is formed. A MASTER management unit distributes the simple analysis data and deep analysis data to an auditing cluster unit via two different transmission channels. The auditing cluster unit performs deep restoration analysis on the simple analysis data and the deep analysis data and generates auditing log and a log message queue. A storage cluster unit stores the auditing log and a log message queue. A reporting cluster unit monitors the log message queue in the storage cluster unit and reports the auditing log to a data center according to a report format of the data center after acquiring the description information of the to-be-reported auditing log. The invention also provides a corresponding method. The network data auditing system and method provided by the invention are implemented through three layers. Logic and physical separation are achieved among the three layers and the network data auditing system and method have characteristics of good performance and high expandability.