58results about How to "Run efficiently" patented technology

A method of optimizing the operation of a computer system in running application programs in accordance with system capabilities, user preferences and configuration parameters of the application program. More specifically, with this invention, an optimizing program gathers information on the system capabilities, user preferences and configuration parameters of the application program to maximize the operation of the application program or computer system. Further, user selected rules of operation can be selected by dragging rule icons to target optimizer icon.

A business intelligence (BI) server and repository are described which support a set of hierarchical relationships among the data. The BI server receives user input specifying a set of parent-child or other ancestral relationship among a set of data in a data source. The BI server generates a set of SQL queries and executes the queries to pre-populate a set of tables which specify the parent child relationships among the data in the data source. One such table is a parent-child relationship closure table that defines the inter-member relationships among the data members. Once the tables are populated, the BI server uses the closure tables to answer queries that require knowledge of the ancestral relationships among data.

A dispatcher free control system that combines location and tracking technology with wireless communication technology to enable deployed workers to be tracked and assisted while on the job. More particularly, mobile units are deployed with the work force. The mobile units include location tracking technology such as GPS, and wireless communication technology such as digital cellular. The mobile devices communicate via the wireless communication technology to a control system. The control system maintains a database of information about various jobs, work orders, status, or the like. In response to status based events, the mobile devices communication with the control system to obtain and update information regarding the work orders and status.

The invention discloses a control method for a permanent magnet synchronous motor based on current prediction and belongs to the field of control over permanent magnet synchronous motors. The method mainly comprises the steps of predicting the improved current and identifying the sensorless rotating speed and a corner based on a phase-locked ring idea combined with the predicting step. According to the control method, the current of a motor stator is predicted ahead of a switch period according to the detected current of the motor stator and a current instruction; corresponding control voltage is predicted; and motor rotating speed and corner position information is identified according to the estimated counter electromotive force of the motor. The invention further provides a control system for realizing the control method. The control system comprises a rotating speed regulator, a current predicting unit, a counter electromotive force estimation unit, a controller and a space vector modulating unit. According to the control method and the control system disclosed by the invention, the permanent magnet synchronous motor can be enabled to still safely operate at high efficiency when the parameters change; and the control method and the control system have a favorable application prospect in the field of control over the permanent magnet synchronous motor.

The invention discloses a car air conditioning system electronic expansion valve control method. In a primary stage of start of a compressor, the electronic expansion valve is controlled to reach a constant valve opening corresponding to the rotating speed of the compressor according to timely collected signals of compressor rotating speed to enter a normal operation and control stage by the constant valve opening corresponding to the rotating speed of the compressor and ensure that the valve opening of the electronic expansion valve is transmitted into a control mode of the degree of superheat conveniently. The valve opening of the electronic expansion valve is not influenced by the degree of superheat of the car air conditioning system in the primary stage of start of the compressor. Compared with the prior art, in the primary stage of start of the compressor, the valve opening of the electronic expansion valve is kept at the constant valve opening by the electronic expansion valve control method through the rotating speed of the compressor, the constant valve opening ensures that the valve opening of the electronic expansion valve can be in a relatively stable state and the expansion valve of the primary stage is under a stable operation condition, and therefore influence on the expansion valve resulting from great disturbance is effectively avoided, and normal and high-efficient operation of the system is ensured.

The invention discloses a method for limiting bandwidth of a cloud hosting network of a cloud computing platform, and the method comprises steps of acquiring information of a virtual network card in a physical server including a mac address of the virtual network card; acquiring a list of all cloud hosts on the physical server; acquiring a mac address of the virtual network card of a designated cloud host, and establishing a mapping relation between the cloud host and the virtual network card through contrast; and utilizing a control tool to limit the flow of the virtual network card so as to limit the flow of a corresponding cloud hosting network. The network bandwidth of the cloud host is reasonably controlled so as to limit the network bandwidth used by each cloud host and to guarantee that each cloud host has a normal network resource; a bandwidth limit can be set for a cloud host network card according to the priority or application situation of the cloud host, so that on one hand the requirement of each cloud host is met, and on the other hand the high-efficient running of a core cloud host also can be guaranteed; and the resource of the entire cloud computing platform can be used in balance.

CDMA base-station comprising a transmit stage (2, 4, 7, 9, 10, 11, 12) and a receive stage (3, 5, 8, 13) for communicating with mobile terminals has been provided. The transmit stage comprises a multi carrier power amplifier having at least two independent power modules (10, 11) for transmitting signals on at least one traffic channel (TCH) and control and pilot signals on at least one control channel (CCH). Each power module (10, 11) is capable of being operational although the other power module is non-operational. The at least two power modules are normally operating simultaneously and each is contributing with emitting power. The CDMA base station moreover comprises a control module (16) monitoring the error status of the power modules in the base station. When an error signal is detected in base-station indicative of an error in a power module (10, 11), the system immediately ends operation of all traffic channels associated with the erroneous power module (10, 11), but sustains operation of the at least one control channel.

The invention adopts a scheme which combines image processing and sensor measurement. The method comprises the steps that light sensors are distributed in a photovoltaic array; an image acquisition device is used to shoot an image of the photovoltaic array; the image and the synchronous irradiance measurement data are transmitted to a photovoltaic power generation system control center through a communication network; the photovoltaic power generation control center analyzes and processes a photovoltaic array operation image, identifies whether a local shadow exists and the distribution scope; the irradiance data synchronously measured by the light sensors are combined; and through an interpolation and fuzzification processing technology, the irradiance of each position of the photovoltaic array is estimated. According to the invention, measurement accuracy and speed of the local shadow distribution scope and the irradiance are improved, and the arrangement number of the light sensors is greatly reduced.

The invention provides a heat pipe cooling system for a high-heat density cabinet. The heat pipe cooling system comprises a heat pipe circulation circuit and an auxiliary cooling circuit connected with the heat pipe circulation circuit, wherein the heat pipe circulation circuit comprises a heat pipe evaporator backboard and a plate-type heat exchanger which are connected in series; the vertical height of the plate-type heat exchanger is greater than that of the heat pipe evaporator backboard; the auxiliary cooling circuit comprises the plate-type heat exchanger, a compressor, an external condenser and a throttling device which are sequentially connected in series, or an air-cooled condenser, a three-way valve and a one-way valve; and the heat pipe circulation circuit can be in a multi-split structure form and achieves simultaneous cooling of a plurality of cabinets and a machine room. One set of air conditioning system does not need to be additionally arranged for the machine room, and a bottom cold air supply duct and a top hot air return duct do not need to be arranged, so that the cost is reduced and the energy consumption is reduced.

Disclosed is a cooling system for a vehicle having an engine and an electric motor, wherein the electric motor is arranged to generate a motor torque for driving the vehicle, the cooling system comprising means for transferring heat energy between the motor cooling means and the engine cooling means upon the occurrence of a predetermined criteria, wherein the motor cooling means is for controlling the temperature of the electric motor and the engine cooling means is for controlling the temperature of the engine.

The invention discloses a method for managing an optical module alarm. The method includes five parts, i.e., optical module online detection, optical module alarm configuration, optical module real-time monitoring, optical module alarm reminding and optical module fault removal. First state information of optical modules is read by network management software through on-line detection; at the same time, different alarm modes are configured according to the fault categories of the optical modules; state changes of the optical modules are monitored in real time and an administrator is effectively reminded; finally a fault occurring in the corresponding optical module is judged according to state change information; and a solution is prompted. The method for managing the optical module alarm adopts the network management software, selects different alarm modes according to the fault category of the optical module, the efficiency of monitoring of the optical module is improved, efficient operation of a system is guaranteed, and the purpose of effectively managing optical modules on a large scale effectively in real time is achieved.

A non-split-phase type traction power supply device used for rail vehicles belongs to technical field of railway electric traction power supply. The device comprises a traction transformator and an energy distribution regulating machine which mainly consists of a main controller, a driver, an electronic power switch bridgearm, a support capacitance arm, three electric current sensors, three voltage transducers and three reactors, wherein, the driver is connected between a control terminal of the electronic power switch bridgearm and the main controller, the electric current sensors and the voltage transducers are respectively connected between the main controller and A phase, B phase and C phase of an output end of the traction transformator, and the reactors are connected between the center of the bridgearm and the A phase, the B phase and the C phase of an output end of the traction transformator. The invention has the advantages that split-phase power supply is changed into non-split-phase power supply, great run-through of the traction contact network can be realized, and power phase position exchange for power supply again caused by frequent power failure can be avoided, so that safe, high speed and high-efficiency running of train can be guaranteed.

The invention discloses a vertical high-speed cement colloid mixer comprising an agitation vat and a mixing motor, wherein the mixing motor is a vertical mixing motor; the mixing motor is arranged above the agitation vat; a rotating shaft of the mixing motor is connected with the upper end of a vertical shaft at the center position inside the agitation vat; a first mixing impeller is arranged at the middle section of the vertical shaft; a second mixing impeller is arranged at the bottom of the vertical shaft; and the bottom of the vertical shaft is arranged at the center position of a discharge hole at the lower part of the agitation vat. The vertical mixing motor is adopted to output rotary power; the two mixing impellers in the vertical direction are driven at the same time; the time-sharing stirring process is finished; and the probability of blocking of cement colloid at the discharge hole of the agitation vat is obviously reduced, so that the mixer can stably and efficiently run for a long period of time; the pulping time is shortened; and the construction cost is saved. The mixer disclosed by the invention has the advantages of being low in mixing water cement ratio, high in production efficiency, simple in structure and low in failure rate.

The invention provides a parameter coupling design method for a liquefied air energy storage system. The parameter coupling design method is implemented through at least one processor, a memory in communication connection with the processor and a computer readable storage medium storing computer programs. According to the invention, the maximization of the electricity-electricity conversion efficiency of the system is taken as a design target.Main parameters such as liquefied air energy storage pressure, main compressor / circulating compressor working stages, a main compressor / circulating compressor interstage cooling scheme, a compression heat recycling scheme and cold box high-pressure side outlet air temperature are used as optimization variables; aspen Plus process simulation software is adopted for system thermal simulation, the design process can be effectively simplified, and the design time is greatly shortened. According to the liquefied air energy storage system parameter coupling design method provided by the invention, by comprehensively considering the mutual influence among the unit-unit, the parameter-parameter and the unit-parameter of the liquefied air energy storage system, long-term reliable, stable and efficient operation of the energy storage system under variable working conditions of variable operation parameters, variable external parameters and the likecan be realized.

The invention discloses an intelligent passageway transpiration elevator. The intelligent passageway transpiration elevator comprises a plurality of lifting units as many as sections of a stairway. Each lifting unit comprises a guide rail, a lift and a driving device. Each guide rail is fixedly arranged on the wall corresponding to the corresponding stairway section. The arrangement direction of each guide rail is consistent with the direction of the corresponding stairway section. Each guide rail is provided with the corresponding lift in a sliding mode. Each driving device drives the corresponding lift to vertically move along the corresponding guide rail. By means of the intelligent passageway transpiration elevator, residents moving inconveniently in old residential buildings can conveniently go upstairs and downstairs only by taking the lifts, the structure design is simple, and the lifts corresponding to the stairway sections of each floor ascend and descend independently and not affect one another, so that operation is more efficient.

The invention relates to a string matching method and system of a self-adjusting parameter. The method comprises the following steps: 1. monitoring the characteristic index of pattern string matching algorithm application environment in real-time, obtaining the change state of the characteristic index; 2. deciding whether the parameter of the algorithm is needed to be adjusted according to the change state of the characteristic index and adjusting strategy, if so, executing the step 3, if not, continuously executing the step 1; and 3. calculating the parameter of the algorithm again, and updating the algorithm according to the parameter of the algorithm and the value of the characteristic index. The invention can solve the automatic update problem of the algorithm in an online system, namely the parameter of the algorithm can be automatically adjusted along with the change of environment without manual intervention and can be automatically updated under the support of the system.

The invention provides an automatic ammunition belt feeding device for bullets. The device is fixed to a working surface; an ammunition belt template and an ammunition body template are fixed to a chain; chain wheels are fixed to a main driving shaft and a secondary driving shaft; the main driving shaft and the secondary driving shaft are fixed to a mounting plate by virtue of bearing seats; a guide plate is fixed to the mounting plate; a push rod slides in the ammunition body template; a plane cam is fixed to a cam mounting seat; the cam mounting seat is fixed to a support plate; the support plate is fixed to the mounting plate by virtue of channel steel; an ammunition body is put in the ammunition body template; an ammunition belt is put on the ammunition belt template; and a power plant is fixed to the mounting plate, and power is transmitted to the main driving shaft by virtue of the chain. The automatic ammunition belt feeding device is suitable for ammunition belt feeding assembly of different bullets.

The invention discloses a hybrid power transmission system, a control method and an automobile, belonging to the field of hybrid power. The system comprises: first spindle, second spindle, an engine sequentially connected to the first spindle, First clutch, a third gear driving gear, a second clutch, a first gear driving gear, a synchronizer, a second gear driving gear and a second electric motor,wherein the first electric motor, the third gear driving gear, the third clutch, the first gear driving gear and the second gear driving gear are sequentially connected with the second main shaft, and the ratio of the number of the first gear driving gear gears to the number of the first gear driving gear gears is a first gear speed ratio; the ratio of the number of gears of the second gear passive gear to the number of gears of the second gear driving gear is the ratio of the second gear speed; the ratio of the number of gears of the third gear passive gear to the number of gears of the third gear driving gear is the speed ratio of the third gear; the second gear passive gear is connected to the wheel. The synchronizer is combined with the driving gear of the first gear or the driving gear of the second gear, so that the automobile has different speed ratios in various modes and has good fuel economy.

The invention provides a method and a device for detecting SQL codes in an application system. The method includes: in each stage of software engineering, when a change of SQL code is detected, collecting a content item state of all current SQL codes in a working environment corresponding to the work progress of the software engineering according to the work progress of the software engineering; creating a main baseline based on the collected content item status of all SQL codes, and setting a baseline identifier for the main baseline; comparing a content item of a main baseline with a contentitem of a historical main baseline in a work environment to determine a first SQL change range; prompting each SQL code in the first SQL change scope so that the worker discovers each changed SQL code in a timely manner, and confirming the risk of each changed SQL code. The invention realizes the change risk of scientific and emphatical management of the SQL code in different stages of the software engineering, so as to ensure the sustainable, accurate and efficient operation of the SQL code.

The invention discloses a pre-drying brown coal power generation system integrated with an air heater and a pre-drying brown coal power generation method. The system comprises a coal-fired power generation system body, a brown coal preheater, a superheated steam fluidized bed drier with an internal heater, an air heater system body and the like. An outlet of the brown coal preheater is connected with an inlet of the superheated steam fluidized bed drier with the internal heater, an outlet of the drier is connected with an inlet of a coal mill, and part of moisture in brown coal is removed in the drier. A heat source inlet of the internal heater is connected with a steam extraction opening of a certain level of a turbine, and an outlet of the internal heater is connected with the hydrophobic side of a corresponding reheating heater. The operation mode of the air heater system changes according to different loads of the air heater. The air heater system can safely and efficiently work in different seasons under different brown coal moisture contents and different dry degrees, waste heat of smoke exhausted from a boiler and waste heat of dried tail gas can be utilized at the same time, and the adverse influence of operation of the air heater on power generation efficiency is eliminated.

The invention relates to a fuel nozzle, in particular to a unit nozzle for organizing combustion of large flow medium and low calorific value fuel. The aim of the unit nozzle is that operation of the fuel nozzle can be safe, stable and efficient. A central oil nozzle is arranged in a conic shell and coaxial with the conic shell. A conic shell body air swirler is arranged on an outer wall at an outlet end of the conic shell. An outer surface of the conic shell body air swirler is gradually contracted and the gradually contracted direction of the conic shell body air swirler is identical to that of the conic shell. A leaf crown is fixedly connected on an outer edge of an outlet end of the conic shell body air swirler, the leaf crown is coaxial with the conic shell body air swirler and an end face of the leaf crown is aligned to an end face of the conic shell body air swirler. The outlet end of the conic shell is arranged in a sleeve tube and connected with the sleeve tube through the leaf crown. An inner space of the sleeve tube located on the upper portion of the outlet end of the conic shell is a mixing section of compressed air and medium and low calorific value gas. According to the unit nozzle for organizing the combustion of the large flow medium and low calorific value fuel, a first swirl flow relative to the fuel is matched with a second swirl flow relative to air, so that fuel-air mixture is delivered to the fuel nozzle. The fuel nozzle is safe, stable and efficient in operation.

The invention relates to the technical field of image processing and elevator application, and provides an elevator intelligent control method based on space and load detection. Under the condition ofan actual load approaching the highest bearing capacity or no space for one more accommodating a passenger, a traditional general vertical lifting elevator still can respond to floor elevator ascending or descending stop keys to stop on corresponding floors and to open an elevator door; and waiting passengers can wait the next elevator when hearing the overload prompt at the time of walking intothe elevator or seeing no space, so that the problems of long passenger waiting time and low elevator operation efficiency are generated. An elevator internal space duty ratio and an actual load valueare obtained based on an image processing technology to comprehensively judge if elevator full load and response to the floor key control are prompted, so that unnecessary floor stop is prevented. According to the method, the elevator can automatically judge if the floor stop control is responded, so that the operation efficiency is improved, and the passenger waiting time and the mechanical action wear are reduced.

The invention discloses a powerless pile separation device. The powerless pile separation device comprises a machine body, a pile separation module, a conveying module and a connecting rod module, wherein the machine body is provided with a first slide way and a second slide way arranged at intervals; the first slide way and the second slide way are used for conveying goods containers; the pile separation module is connected with the machine body, is arranged above the first slide way, and is used for separating the goods containers on the first slide way; the conveying module is arranged between the first slide way and the second slide way, and is used for conveying the goods containers to the second slide way after separation by the pile separation module; the connecting rod module is rotationally arranged on the machine body; one end of the connecting rod module is connected with the pile separation module, and the other end of the connecting rod module is connected with the conveying module; the connecting rod module is provided with a handle; and when the handle pulls the connecting rod module to move, the connecting rod module drives the pile separation module to separate thegoods containers on the first slide way, and the connecting rod modules drives the conveying module to convey the goods containers, separated on the first slide way, to the second slide way. The powerless pile separation device is simple and small in structure and convenient for operation and application to a small production line.

The invention discloses an automobile storage and fetch apparatus for a stereo garage. The apparatus comprises horizontal walking rails, a combined frame moving horizontally along the walking rails, an elevating platform disposed inside the combined frame and moving vertically along a vertical column, a telescoping device fixed to the elevating platform, and an electric control system used for control the action of the combined frame, the elevating platform and the telescoping device. In the prior art, a stacking type stereo garage has a relatively high automation degree, a four-wheel walking mechanism is arranged at the bottom of a carrying device, two operation rails are needed, and the garage has a high technical requirement on the parallelism degree of the two rails. According to the invention, the walking rails support the combined frame to move horizontally in a stereo garage tunnel; the telescoping device reaches a parking platform or a parking space in the garage through a telescoping mechanism of the telescoping device, fetches an automobile and moves the automobile to the elevating platform; and auxiliary devices are not needed in the stereo garage during a whole automobile storage and fetch process; so that the size of the combined frame is decreased, and the storage and fetch apparatus is light in weight and simple in structure, is high in operation efficiency, can independently store and fetch the automobile, and can save the cost.

The invention provides a key point detection method, system and device and a storage medium, and the method comprises the steps: inputting a to-be-detected image into a trained activation graph generation model, and obtaining a gradient type activation graph of at least one stage; inputting a to-be-detected image and the gradient category activation graph into the trained key point detection model, and respectively inputting the gradient category activation graph into the corresponding non-local modules to obtain a key point prediction graph; and analyzing all connected regions in the key point prediction graph, and calculating the center of the connected region with the maximum area to serve as the position of the corresponding key point. The method is advantaged in that rapid and accurate key point detection is realized on the basis of the spatial attention mechanism, and the method can be applied to clothing key point detection and can also be applied to key point detection of othertypes of images in other fields.

Embodiments of the present invention provide a self-molding composite system for insulation and covering operations. The self-molding composite system may be cured to form any desired shaped for insulation and covering operations. The composite system comprises one or more layers that may create a rigid layered composite when cured. The one or more layers of the composite system may include at least one structural reinforcement layer that is a braided, knit, or non-woven fiber based substrate, an interstitial matrix layer, and customizable top coat. The customizable top coat may be a solvent based polymer solution that includes various additives that may include color pigments, additives for additional abrasion protection, additives for thermal protection, and / or additives for creating various textures or visible appearances to the composite system.

The invention provides a high-speed image transmission system applied to an unmanned aerial vehicle system. The system comprises an unmanned aerial vehicle signal sending system assembly and a ground signal receiving assembly. The unmanned aerial vehicle signal sending system assembly comprises a high-definition motion camera and a transmitter. The transmitter comprises an H264 coding unit and a transmitting antenna for transmitting a signal. The ground signal receiving assembly comprises a controller, a signal receiving antenna, an H264 decoding unit, a high-definition display screen and a code compiler. Before the H264 decoding unit carries out decoding processing, the code compiler compiles code required for the decoding processing in advance. When the H264 decoding unit carries out the decoding processing, a processing process is carried out by directly employing the compiled code. Some variables in the code can be decoded by the H264 decoding unit. The variables comprise frames, heights, the macro number of images, and parameters such as a quantification factor, and so on. The variables are taken as constants for compiling. A cpu register is no longer occupied. Parameter transmission is unnecessary. The integrated operation of the code is more efficient. An effect of improving the decoding efficiency by 30-50%% is achieved.

The invention discloses a continuous laminar flow conversion oxygenation and biological enhancement integrated device for black stinking water treatment. The device comprises a biochemical reactor, an air pump, a solar power generation system and an artificial biological floating island which are sequentially connected, wherein an aeration device is arranged in the biochemical reactor and is connected with the air pump; the air pump is connected with the solar power generation system; the biochemical reactor is suspended in a water body below the artificial biological floating island; the solar power generation system comprises a solar cell panel; the artificial biological floating island comprises a UPVC frame; a nylon net is laid on the top of the UPVC frame; aquatic plants are planted on the surface of the nylon net; a first base plate and a second base plate are arranged on the nylon net; a waterproof box is fixed on the first base plate; and the solar cell panel is fixed on the second base plate. The device can be used for treatment of urban black stinking water and can achieve the aims of effectively removing pollutants in water, increasing the oxygen content in the water body and inhibiting water eutrophication; meanwhile, the solar power generation system serves as a power supply of the air pump, so that automatic and stable operation of the system is guaranteed, and the investment and operating cost can be saved.

The invention discloses a detection method of the X ray of a boiler tube panel. The detection method comprises the steps of inclining an X-ray machine to the inclining angle position of the X-ray machine when the X-ray machine is aligned to a panel horizontally along the movement direction of a designed inclination axis, and deflecting the X-ray machine by taking the movement direction Y1 as reference, thus determining the vertical orthogonality of ray beam and the panel; descending the panel to the lowest position, sending a steel tube of the tube panel into a protection lead room, pressing an ascending button on the panel, ascending the panel to the highest position, practically measuring, inputting engineering calculation data, panel following engineering calculation data and the diameter (D) of the steel tube of the tube panel of the X-ray machine during the deflection of the X-ray machine; inclining the X-ray machine to the largest inclination angle position, and operating imaging software to complete 0-degree shooting; correcting the direction of the X-ray machine along the deflection movement direction of the axis line, carrying out interpolation motion by the X-ray machine along the backward direction Y1 and the panel along the advancing direction Y2 to reach 0-degree shooting position; rotating the panel along the horizontal rotation movement direction of the panel, thus adjusting the best shooting position; and operating the imaging software to complete 90-degree shooting.

The invention discloses a device used for a long-distance large-pipe-diameter pipeline water delivery pipeline tail end and having a function of removing a water hammer in a pipeline. The device comprises a pond, a pipeline water outlet front end, a pipeline water outlet tail end, a first service valve, a flow adjusting valve, a bypass pipe, a second service valve and a pressure fluctuation pre-check valve. The pipeline water outlet front end is connected with the pond, the first service valve and the flow adjusting valve are sequentially arranged on the pipeline water outlet tail end, the bypass pipe and the pipeline water outlet tail end are arranged in parallel, and the second service valve and the pressure fluctuation pre-check valve are sequentially arranged in the liquid flowing direction on the bypass pipe. Safe, stable and efficient running of water delivery system equipment can be ensured, the major accident of the water delivery and transfer pipeline system can be effectivelyreduced, the phenomenon of water source losing or damage to the surrounding ecological environment due to pipe blasting can be avoided, the water hammer generated by non-normal closing of a brake andother valves in the pipeline can be removed, manual intervention is reduced, and the automation degree is improved.