32results about How to "Meet the requirement of quick response" patented technology

The invention discloses a multi-agent and heterogeneous communication technology based micro-grid intelligent measuring and controlling terminal, a multi-agent system and a measuring and controlling method of the multi-agent system. An element Agent, a micro-grid Agent and an upper-stage power grid Agent form a micro-grid multi-agent system. The intelligent measuring and controlling terminal comprises a master control module, a data acquisition module, a protection control output module and a heterogeneous communication module. The data acquisition module acquires real-time data information of base layer elements in the micro grid, the master control module stores and processes the real-time data information and sends the real-time data information to an upper micro-grid Agent through the heterogeneous communication module. Meanwhile, the master control module receives control instructions of the micro-grid Agent through the heterogeneous communication module and transmits the control instructions to the base layer elements in the micro grid through the protection control output module to control the work states of the elements. The intelligent measuring and controlling terminal and method have the advantages of being capable of achieving mutual communication of micro-grid complex heterogeneous communication networks, wireless, small in size, low in power consumption, low in cost and capable of improving the micro-grid safe and stable operation and power generation efficiency greatly.

The invention relates to a distributed optimization and spatial correlation-based wind power prediction method. The method comprises the following steps of 1, normalizing same-period wind power historical data of wind power plants in a region, then performing equal-interval division on output states, generating a basic data set and a wind power output state library, and performing storage; 2, exchanging historical spatial correlation data by the wind power plants, and generating and storing a time-space Markov state transition matrix in a to-be-predicted target wind power plant; 3, based on alocal time sequence and the time-space Markov state transition matrix, building a sparse time-space wind power prediction model of each wind power plant, and performing solving; and 4, exchanging real-time measurement data among the wind power plants, predicting a power value of each wind power plant by adopting the prediction model according to an output value of each wind power plant at a current moment, and updating parameters of the time-space Markov state transition matrix and the prediction model by regularly adopting latest actual measurement data. The method effectively improves the wind power prediction precision, thereby remarkably improving the calculation efficiency.

The invention provides an intercooling or intercooling recuperating layout for an aero-engine. The layout comprises a Brayton cycle in a main flow path and a supercritical state fluid cycle, wherein the two cycles are mutually independent and are coupled through a micro-scale heat exchanger. The micro-scale heat exchanger is a supercritical micro-scale compact rapid heat exchanger comprising a heat exchanging element and two working mediums, wherein the two working mediums exchange heat through the heat exchanging element. The micro-scale heat exchanger is characterized in that one of the working mediums employs a supercritical state fluid, the other working medium is not limited, the size of the heat exchanging element is in a micro-scale range, the critical pressure of the supercritical state fluid is at least 0.5 MPa, the temperature of the supercritical state fluid is at least 200 DEG C higher than critical temperature, and micro-scale refers to that the geometric scale of the basic heat exchanging element is no more than 2 mm. The intercooling or intercooling recuperating layout provided by the invention overcomes the disadvantages of conventional intercooling or intercooling recuperating layouts, improves the cycle efficiency of the aero-engine and reduces the oil consumption rate of the aero-engine.

The invention discloses a method for controlling a shared memory, which includes: obtaining operation commands and key information of requests for accessing the shared memory sent by an external system; accessing data, corresponding to the key information, in the shared memory according to the operation commands; and outputting access results. Due to the fact that data access is realized in the shared memory, requirement of quick response of the external system can be satisfied even if frequent read-write is implemented by the external system to the shared memory. In addition, access efficiency of the shared memory is not affected by scattered and fragmentary data storage, and accordingly, speed in data storage and data control is enhanced.

The invention discloses a monitoring structure and a method of a single pulse radar system automatic self-checking and a condition parameter. The structure comprises a coupler, a digital attenuator and a single-tool two-board switch. The structure is joined in the single pulse radar system. A radar transmitter signal is formed in a self-checking signal by the coupler and the radar transmitter signal is fed back in a radar receiving passage. The self-checking signal or a transmitter leakage signal is received by a receiver under the coordination between a receiving processing time sequence and processing algorithm of different models, thus the self-checking, calibration, delicacy automatic survey and transmitter condition detection of a radar system passage are achieved. According to the monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter, any periphery testing equipment is not needed to be added, thus the monitoring and survey of the calibration and the condition parameter of the single pulse radar system are achieved. The monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter can be applied to an online testing system of the radar system widely.

The invention discloses a high-flow high-pressure pneumatic switch valve which comprises a main valve and an electromagnet, wherein the electromagnet is located on the main valve and fixed on the main valve through a bolt. The electromagnet comprises an electromagnet support frame, an upper electromagnet body and a lower electromagnet body. The main valve comprises a valve body, a valve deck, a valve sleeve, a spring, a valve core seat and a valve core, wherein the valve core comprises a cone valve core body with a threaded hole, a valve core rod and a rubber ring. The high-flow high-pressure pneumatic switch valve can solve the problems that when high-pressure gas passes through an ordinary valve, the energy available value of the gas is reduced due to friction and the like, and the amount of the gas flowing through the ordinary valve is quite small, and can improve the energy utilization rate of a device in which compressed air is used for storing and supplying energy and the like; and meanwhile, the high-flow high-pressure pneumatic switch valve is simple in structure and is only composed of the electromagnet and the main valve, so that complexity and instability of the device are reduced, when the high-flow high-pressure pneumatic switch valve needs to be opened or closed, just the electromagnet needs to be powered on or powered off, the electromagnet responds fast, and therefore the response speed of opening and closing the valve is extremely high, the effect that the high-flow high-pressure pneumatic switch valve is opened and closed rapidly can be achieved, and the high-flow high-pressure pneumatic switch valve can meet the requirement on fast response of pneumatic automobiles and other vehicles.

The invention discloses a motor controller of an automobile. The motor controller comprises a motor, a motor controller body and a power supply battery. The motor controller body comprises an inverter circuit, a microprocessor and an overvoltage clamped soft protection system, at least one relay switch is arranged on direct-current bus, the power supply battery and the inverter circuit can be powered on or powered off under the control of the relay switches, the overvoltage clamped soft protection system can be started when the relay switches are abnormally tripped off and comprises a direct-current bus voltage quick detection circuit and the microprocessor, predicted voltage values are stored in the microprocessor and are compared to real-time voltage values by the microprocessor. The motor controller has the advantages that multi-channel control signals can be outputted by the microprocessor when the real-time voltage values are higher than the predicted voltage values, IGBT (insulated gate bipolar transistors) of upper bridge arms of various bridge arms are turned off under the control of the multi-channel control signals, IGBT of lower bridge arms are turned on under the control of the multi-channel control signals, voltages at two ends of each IGBT can be clamped, and accordingly effects of protecting the IGBT can be realized; the effects of protecting the IGBT can be realized by the motor controller, and accordingly the reliability and the safety of the motor controller can be improved.

The invention discloses a self-adaption PI control method for improving HVDC system suppressing phase commutation failure capacity. A self-adaption controller is used to replace a PI controller with fixed parameters in the HVDC system, the flexibility of an HVDC controller coping with different operation conditions of the system can be improved, therefore, the robustness of the system is improved, and the phase commutation failure is suppressed. By the adoption of the discretization derivation self-adaption PI controller based on the operational formula of the PI controller, the limitations that an existing self-tuning controller relies on a reference model, a fuzzy self-adaption PI controller is complex in operation, furthermore, the failure type needs to be judged at first and then an optimum control mode is chosen are broken.

The present invention relates to a product structure parameterized design optimization method and system. The method comprises: S1. defining a parameter that needs to be optimized and an optimization goal of product structure design; S2. establishing a three-dimensional parameterized model of a product structure, wherein the model comprises the parameter that needs to be optimized; S3. according to the parameter that needs to be optimized, establishing an optimization combining space of the product structure; S4. generating all three-dimensional design models in the optimization combining space by using the three-dimensional parameterized model; S5. writing a batch processing command set of computational fluid dynamic analysis, and establishing computational fluid dynamic analysis models corresponding to all the three-dimensional design models in a batch processing manner; S6. performing analysis calculation on the computational fluid dynamic analysis models one by one by using a high-performance computer, and outputting all optimization goal calculation results; and S7. comparing all the optimization goal calculation results, and screening out the best three-dimensional design model. According to the product structure parameterized design optimization method and system provided by the present invention, the optimization of product design parameters can be rapidly completed.

The invention discloses a fire monitor control method, a fire monitor control system, a fire monitor and a fire fighting truck, and relates to the technical field of fire monitor control. The controlsystem comprises a monitor body, control equipment and water supply equipment, the water supply equipment comprises a water pump and a water tank, and the monitor body is provided with a pressure sensor, a flow control motor, a monitor tube and a water inlet connector; the control equipment comprises a controller and a control panel, the the control panel is provided with gear injection gear keys,and the number of the gear keys is at least two; and the controller is connected with the pressure sensor, the flow control motor, the control panel and the water pump through cables, and the water pump is connected with the water tank and the water inlet connector through water pipes. Compared with the prior art, the optimal spraying effect of the fire monitor can be rapidly achieved, and the operation speed is high; and the multi-gear design is adopted, so that the requirement for diversification of injection modes under the complex condition of a rescue site can be better met.

The invention provides a seating buffer type electromagnetic full-variable air valve control method. As for a fast deceleration phase and stable seating phase of an air valve, the method includes thefollowing implementation steps that in the fast deceleration phase, the peak speeds and the deceleration distance of the air value are collected, a fast deceleration target speed of the air valve is preset, an ECU calculates a damping force generated by a variable damping buffer device according to the peak speeds to change the speed of the air valve, the real-time speed of the air valve is periodically collected, and if the real-time speed of the air valve is equal to the preset fast deceleration target speed of the air valve, an electromagnetic force is removed; in the stable seating phase,the distance between the air valve and an air valve seat is collected, and if the distance is within a preset range, the ECU reduces the voltage of a main control circuit of the variable damping buffer device to zero.

The invention discloses a proportional pressure solenoid valve. The proportional pressure solenoid valve comprises an electromagnetic part, a valve element driven to move by the electromagnetic part, a valve body internally provided with a cavity allowing the valve element to move and a balance spring applying force opposite to the force driven by the electromagnetic part to the valve element. The valve body is provided with a pressure fluid input port and a pressure fluid output port. The input port and the output port communicate with each other through displacement of the valve element so as to control the pressure of the output port. The valve element is internally provided with a feedback cylinder communicating with the output port. A feedback rod is arranged in the feedback cavity, closes one end of the feedback cavity and can float in the feedback cavity. The two ends of the feedback rod are provided with moving positions for position limiting. The feedback has the free stroke during the initial working state. The feedback cavity does not have the feedback function and meets the requirement for quick response of the solenoid valve. The feedback rod abuts against an end cap, the feedback cavity starts to generate the feedback effect. Feedback acting force in the feedback cavity changes along with external acting force to achieve a balance, so that output pressure is stable and accurate, and flexible control over pressure is realized.

The invention discloses a rapid control method and system for the water content in a proton exchange membrane fuel cell. According to the method, a cathode single-phase flow pressure drop model is constructed according to a cathode pressure drop value generated in the proton exchange membrane fuel cell, parameter identification of the established pressure drop model is completed through a heredity and particle swarm optimization hybrid algorithm, and a coupling relationship between each water fault type and the pressure drop model is established. And finally, the self-adaptive fuzzy PID is used for controlling the water content to be kept in a normal range, so that the stable operation of the proton exchange membrane fuel cell in a normal state is maintained in real time. According to the invention, the type of the water fault can be accurately judged on line, simple control of a complex system is realized by using the self-adaptive fuzzy PID controller, a good control effect can be obtained, and the operation stability of the proton exchange membrane fuel cell is effectively ensured.

The invention discloses an unattended radioactive contamination monitoring apparatus which includes a plastic scintillator, a sodium iodide detector, an automatic control device, a remote online monitoring terminal, a water suction pump, a filtering net, a first valve, a second valve, a water tank and a water storage tank, wherein the automatic control device includes a MCU module, a power module, a wireless communication module and a GPS module, and the sodium iodide detector includes a sodium iodide liquid detector and a sodium iodide gas detector. The power module, the wireless communication module, the GPS module and the sodium iodide detector, the first valve and the second valve are respectively connected to the MCU module; the sodium iodide liquid detector is arranged inside the water tank which is provided therein with a water gauge. The monitoring apparatus can operate automatically, and features in low power consumption, intelligence and having no requirements for personnel attendance. For river upstream and downstream areas in remote regions where mainland nuclear stations are often located, the monitoring apparatus can perform multi-point deployment and control and help the monitoring method to go forward and networked.

The invention provides an intercooling or intercooling recuperating layout for an aero-engine. The layout comprises a Brayton cycle in a main flow path and a supercritical state fluid cycle, wherein the two cycles are mutually independent and are coupled through a micro-scale heat exchanger. The micro-scale heat exchanger is a supercritical micro-scale compact rapid heat exchanger comprising a heat exchanging element and two working mediums, wherein the two working mediums exchange heat through the heat exchanging element. The micro-scale heat exchanger is characterized in that one of the working mediums employs a supercritical state fluid, the other working medium is not limited, the size of the heat exchanging element is in a micro-scale range, the critical pressure of the supercritical state fluid is at least 0.5 MPa, the temperature of the supercritical state fluid is at least 200 DEG C higher than critical temperature, and micro-scale refers to that the geometric scale of the basic heat exchanging element is no more than 2 mm. The intercooling or intercooling recuperating layout provided by the invention overcomes the disadvantages of conventional intercooling or intercooling recuperating layouts, improves the cycle efficiency of the aero-engine and reduces the oil consumption rate of the aero-engine.

The invention relates to a gas generator suitable for a non-pressure-storage type fire extinguisher and a fire extinguisher utilizing the same, and belongs to the technical field of gas generators. The gas generator suitable for the non-pressure-storage type fire extinguisher comprises a shell, a mounting base, a power source and a trigger module system. The mounting base is connected with the shell, the power source is arranged in the shell, the trigger module system is arranged on the mounting base. The trigger module system comprises a mechanical trigger module, a temperature trigger moduleand an electric trigger module. According to the gas generator suitable for the non-pressure-storage type fire extinguisher, a solid gas-generating agent is used as the power source, the solid gas-generating agent is ignited through three modes of temperature, electric signals and mechanical triggering, the solid gas-generating agent generates gas through combustion, and the gas drives the fire extinguishing agent to extinguish fire. The gas generator suitable for the non-pressure-storage type fire extinguisher has the characteristics of compact structure, short response time, low fire extinguishing interference, safety, reliability and long maintenance-free period.

The invention provides a plug-in type pneumatic high-speed differential switch valve which comprises a valve base, a piston, a plug-in valve component A and a plug-in valve component B, wherein when the plug-in valve component A works, under the suction effect of an electromagnet A, a valve core needle bar and a ball core A move upwards and are kept away from an exhaust duct, namely, high-pressure gas passes through a through hole of a valve core base, a vent hole of a supporting base and the vent hole of a plug-in valve sleeve A in turn, the gas flows into a step hole of the valve base from the vent hole of the step hole on the valve base, and the piston is kept static when the gas pressures in a rod cavity and a rod-less cavity are identical to each other. Under the effect of a pulse current and the suction effect of an electromagnet B, a valve core B is kept away from the exhaust duct, the high-pressure gas passes through the through hole of a plug-in valve sleeve B and the vent hole of a supporting ring in turn, namely, the gas in the rod-less cavity is drained to an exhaust port, so that the differential ratio control for the rod cavity and the rod-less cavity is formed. The plug-in type pneumatic high-speed differential switch valve is characterized in that the increasing of differential control response is realized, the working efficiency is high, the sealing property is high and the modularization for different structure groups is realized according to the characteristics of the differential control.

The present invention relates to a wind power prediction method based on distributed optimization and spatial correlation, comprising the following steps: 1. Normalize the historical data of wind power in the same period of each wind farm in a certain area, and then divide the output state into intervals, Generate and store basic data sets and wind power output state libraries. 2. Each wind farm exchanges historical space-related data, and generates and stores a space-time Markov state transition matrix in the target wind farm to be predicted. 3. Based on the local time series and the space-time Markov state transition matrix, the sparse space-time wind power prediction model of each wind farm is established and solved. 4. Exchange real-time measurement data between each wind farm. According to the output value of each wind farm at the current moment, use the prediction model to predict the power value of the wind farm, and regularly use the latest measured data to predict the time-space Markov state transition matrix and prediction. The parameters of the model are updated. The invention effectively improves the prediction accuracy of wind power and significantly improves the calculation efficiency.

The invention discloses a monitoring structure and a method of a single pulse radar system automatic self-checking and a condition parameter. The structure comprises a coupler, a digital attenuator and a single-tool two-board switch. The structure is joined in the single pulse radar system. A radar transmitter signal is formed in a self-checking signal by the coupler and the radar transmitter signal is fed back in a radar receiving passage. The self-checking signal or a transmitter leakage signal is received by a receiver under the coordination between a receiving processing time sequence and processing algorithm of different models, thus the self-checking, calibration, delicacy automatic survey and transmitter condition detection of a radar system passage are achieved. According to the monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter, any periphery testing equipment is not needed to be added, thus the monitoring and survey of the calibration and the condition parameter of the single pulse radar system are achieved. The monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter can be applied to an online testing system of the radar system widely.

The invention discloses a motor controller of an automobile. The motor controller comprises a motor, a motor controller body and a power supply battery. The motor controller body comprises an inverter circuit, a microprocessor and an overvoltage clamped soft protection system, at least one relay switch is arranged on direct-current bus, the power supply battery and the inverter circuit can be powered on or powered off under the control of the relay switches, the overvoltage clamped soft protection system can be started when the relay switches are abnormally tripped off and comprises a direct-current bus voltage quick detection circuit and the microprocessor, predicted voltage values are stored in the microprocessor and are compared to real-time voltage values by the microprocessor. The motor controller has the advantages that multi-channel control signals can be outputted by the microprocessor when the real-time voltage values are higher than the predicted voltage values, IGBT (insulated gate bipolar transistors) of upper bridge arms of various bridge arms are turned off under the control of the multi-channel control signals, IGBT of lower bridge arms are turned on under the control of the multi-channel control signals, voltages at two ends of each IGBT can be clamped, and accordingly effects of protecting the IGBT can be realized; the effects of protecting the IGBT can be realized by the motor controller, and accordingly the reliability and the safety of the motor controller can be improved.

The embodiment of the invention provides a software development method and device based on service composition, relates to the field of software development, and solves the problems that a lot of manual interventions are needed in a traditional software development method based on the service composition due to the absence of a unified standard in a whole software development process, so that a quick response cannot be made when the requirement changes and the efficiency is low. The specific scheme is as follows: acquiring service demand information of software to be developed and retrieving a matched target service scene template from a service scene template base; correcting the target service scene template according to the service demand information of the software to be developed, and obtaining the corrected service scene template; and combining an acquired composite service code used for combing the corrected service scene template and a service code used for describing each function description information of the corrected service scene template, and generating the software to be developed. The software development method and the device based on the service composition provided by the invention are used for software development.

The invention discloses a method for loading WebView on a PC. The method comprises the following steps: S11, embedding an H5 page in Unity, and displaying the H5 page by using an Embedded Browser plug-in; S12, judging the type of an operation system needing to be deployed; S13, setting a browser label UA corresponding to the operation system type; S14, when the UA is set to be Android or IOS, directly calling a Native API of Android and IOS through UniVebView to achieve WebView loading of an internal page; and when the UA is set as the desktop system, calling the packaged interface unity to interact with the webpage. Therefore, the method for loading the WebView on the PC is realized, the PC end and the mobile end are synchronously supported, the workload of a developer is reduced, the specific timeliness is high, and the deployment effect is determined.

The invention discloses a hydraulic auxiliary control electric independent steering system and an electric vehicle. The electric independent steering system comprises electric independent steering mechanisms, a hydraulic control system and an electronic control unit. The two sets of electric independent steering mechanisms are symmetrically distributed at the positions of a front shaft and a rearshaft, steering rocker arms of two sets of electric independent steering assemblies are connected with piston connecting rods of locking hydraulic cylinders respectively, and cylinder bodies of the two sets of symmetrically-arranged locking hydraulic cylinders are coaxially and fixedly connected through a central connecting rod. In the hydraulic control system, after an oil outlet of a hydraulic oil pump is connected with a one-way valve, a main oil way is divided into a front branch oil way and a rear branch oil way through a proportional diverter valve, and the branch oil ways are connectedwith the two sets of locking hydraulic cylinders through two three-position four-way electromagnetic valves respectively; the electronic control unit is composed of a steering motor controller, an electromagnetic valve controller, a driving motor controller and a locking hydraulic cylinder linear displacement sensor which are in communication connection through a CAN bus. The driving safety of vehicles and the reliability of the electric independent steering system can be improved at the same time.

The invention discloses a high-flow high-pressure pneumatic switch valve which comprises a main valve and an electromagnet, wherein the electromagnet is located on the main valve and fixed on the main valve through a bolt. The electromagnet comprises an electromagnet support frame, an upper electromagnet body and a lower electromagnet body. The main valve comprises a valve body, a valve deck, a valve sleeve, a spring, a valve core seat and a valve core, wherein the valve core comprises a cone valve core body with a threaded hole, a valve core rod and a rubber ring. The high-flow high-pressure pneumatic switch valve can solve the problems that when high-pressure gas passes through an ordinary valve, the energy available value of the gas is reduced due to friction and the like, and the amount of the gas flowing through the ordinary valve is quite small, and can improve the energy utilization rate of a device in which compressed air is used for storing and supplying energy and the like; and meanwhile, the high-flow high-pressure pneumatic switch valve is simple in structure and is only composed of the electromagnet and the main valve, so that complexity and instability of the device are reduced, when the high-flow high-pressure pneumatic switch valve needs to be opened or closed, just the electromagnet needs to be powered on or powered off, the electromagnet responds fast, and therefore the response speed of opening and closing the valve is extremely high, the effect that the high-flow high-pressure pneumatic switch valve is opened and closed rapidly can be achieved, and the high-flow high-pressure pneumatic switch valve can meet the requirement on fast response of pneumatic automobiles and other vehicles.

The invention discloses an unattended radioactive contamination monitoring apparatus which includes a plastic scintillator, a sodium iodide detector, an automatic control device, a remote online monitoring terminal, a water suction pump, a filtering net, a first valve, a second valve, a water tank and a water storage tank, wherein the automatic control device includes a MCU module, a power module, a wireless communication module and a GPS module, and the sodium iodide detector includes a sodium iodide liquid detector and a sodium iodide gas detector. The power module, the wireless communication module, the GPS module and the sodium iodide detector, the first valve and the second valve are respectively connected to the MCU module; the sodium iodide liquid detector is arranged inside the water tank which is provided therein with a water gauge. The monitoring apparatus can operate automatically, and features in low power consumption, intelligence and having no requirements for personnel attendance. For river upstream and downstream areas in remote regions where mainland nuclear stations are often located, the monitoring apparatus can perform multi-point deployment and control and help the monitoring method to go forward and networked.