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33results about How to "Adjust output in real time" patented technology
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Intercommunication-free distributed direct-current energy storage system and control method therefor
ActiveCN105932663ARealize dynamic distribution of load powerMeet the maximum voltage deviation requirementBatteries circuit arrangementsLoad balancing in dc networkElectrical resistance and conductanceCommunications system
The invention discloses an intercommunication-free distributed direct-current energy storage system and a control method therefor. A current ratio is output according to a converter of an energy storage unit, virtual resistors with a state of charge of the energy storage unit and line impedance in charging and discharging conditions are designed separately, and load power dynamic distribution in the distributed direct-current energy storage system is realized without a communication system; and meanwhile a local voltage secondary controller is added, so that a voltage drop caused by a droop control method can meet a maximum voltage deviation requirement of the system. According to the distributed direct-current energy storage system and the control method, the present problems that the energy storage unit cannot dynamically distribute load power according to a current state of charge due to the fact that a control policy balances an output voltage of a distributed power supply by depending on the communication system and the influence of the line impedance on output current distribution precision of the energy storage unit is not considered can be comprehensively solved.
Owner:CHENGDU GUOJIA ELECTRICAL ENG CO LTD
Hydro-turbo generator set vibration protection accomplishing method
ActiveCN101289990AAdjust output in real timeHarm reductionHydro energy generationMachines/enginesState of artReal-time data
The invention provides a method for realizing the vibration protection for a hydroelectric generating set, which belongs to a realizing method for performing the vibration protection for the hydroelectric generating set under different operating conditions, aiming to solve the problem that the prior art can not study by self and regulate output to perform the vibration protection for different models under different working conditions. The method comprises the follow steps of: a. collecting, testing and sorting original data for the models of the hydroelectric generating sets and various operating conditions to construct an analytic system data model; b. analyzing and processing a data format represented as an index of set stability after collecting real-time data for the vibration of the hydroelectric generating set, and storing the data in a database at the same time; and c. extracting and analyzing the vibration data in the database to obtain the characteristics and the trend of the vibration of each working condition of the set, making corresponding early warning and corresponding protecting processes by combining current operating mode, current operating condition and the real-time data, and inputting the early warning and protecting processes into a computer supervisory control system to regulate the output of the set in real time, thereby avoiding a vibration area or machine halt, and reducing harm to the set.
Owner:四川中鼎自动控制有限公司
High frequency pulse power supply for electric dedusting
ActiveCN103394412AReduce energy consumptionImprove power utilizationElectric supply techniquesElectric fieldElectricity
The invention relates to a high frequency pulse power supply for electric dedusting. A three-phase alternating-current power supply is supplied to a deduster electric field after passing through the high frequency pulse power supply for electric dedusting. The high frequency pulse power supply for electric dedusting includes a main loop switch, a pulse power generator, a high frequency fundamental wave circuit, a DSP controller, a detection circuit, and a coupling circuit. The pulse power generator and the high frequency fundamental wave circuit are connected between the main loop switch and the coupling circuit in parallel.
Owner:ZHEJIANG DOWAY ADVANCED TECH CO LTD
Control method and system for primary frequency modulation of wind storage system
ActiveCN112600225AReal-time frequency modulationGuaranteed uptimePower oscillations reduction/preventionElectrical engineering technologyLoop control
The invention discloses a control method and system for primary frequency modulation of a wind storage system, and belongs to the technical field of electrical engineering. The system comprises bottom-layer doubly-fed induction generator DFIG vector control, energy storage system ESS double closed-loop control, upper-layer power consistency control and state of charge (SoC) consistency control. Normal operation of the fan and the energy storage system is guaranteed through bottom-layer control, and power distribution of the fan and the energy storage system is adjusted through upper-layer control; on the basis of power consistency control, energy storage equipment can adjust energy storage frequency modulation power output in real time according to different capacities of the energy storage equipment; reference power of the DFIG network side converter is adjusted based on an SoC consistency protocol, and output of all energy storage devices is adjusted according to the SoC on the premise that the energy storage devices are charged and discharged at the same time. Thus, the wind storage output power can be effectively adjusted in real time to stabilize the frequency, and stable operation of the wind power plant is guaranteed.
Owner:HUAZHONG UNIV OF SCI & TECH
Unmanned aerial vehicle control system
InactiveCN105549610AFault Tolerant Flight ImplementationAdjust output in real timePosition/course control in three dimensionsSpeed regulatorControl system
The invention belongs to the field of electrical technology, and specifically relates to an unmanned aerial vehicle control system. The invention provides an unmanned aerial vehicle control system with high fault-tolerance rate. The system comprises a power supply module, a gyroscope, an accelerometer, an RC receiver, an auxiliary module, a flight control computer, an electronic speed regulator, and a brushless motor. The system is characterized in that the power supply module is connected with power supply input terminals of the gyroscope, the accelerometer, the RC receiver, and the auxiliary module, the power supply module is also connected with a power supply input terminal of the flight control computer, the flight control computer is connected with the electronic speed regulator, and the electronic speed regulator is connected with the brushless motor.
Owner:张学一
Recursive fuzzy neural network nonsingular terminal sliding mode control method of micro gyroscope
ActiveCN110703610AAdjust output in real timeGuaranteed drive frequencyAdaptive controlLyapunov stabilityNetwork structure
The invention discloses a novel recursive fuzzy neural network nonsingular terminal sliding mode control method of a micro gyroscope system. The recursive fuzzy neural network nonsingular terminal sliding mode control method comprises the steps of: designing a nonsingular terminal sliding mode surface function of the micro gyroscope system; determining a nonsingular terminal sliding mode control rate added into the nonsingular terminal sliding mode surface function based on a first Lyapunov stability criterion function; and replacing an uncertain item in the nonsingular terminal sliding mode control rate with output of a constructed recursive fuzzy neural network, and constructing a final control rate according to a result output by means of the constructed recursive fuzzy neural network and the nonsingular terminal sliding mode control rate based on a second Lyapunov stability criterion function, so as to realize tracking control over the micro gyroscope system. The nonsingular terminal sliding mode control adopted by recursive fuzzy neural network nonsingular terminal sliding mode control method has the advantages of high control precision and high robustness, and the singular problem existing in terminal sliding mode control is avoided; and parameters of the novel recurrent fuzzy neural network can be automatically stabilized to the optimal value according to a designed adaptive algorithm, so that the parameter training time is shortened, and the universality of the network structure is enhanced.
Owner:HOHAI UNIV CHANGZHOU
Fertilizer preparation device, sprinkler machine containing fertilizer preparation device and fertilizing method
PendingCN109906738AEven by forceImprove fertilization enduranceRotary stirring mixersPressurised distribution of liquid fertiliserSocial benefitsAgricultural engineering
The invention relates to a fertilizer preparation device, which comprises: a fertilizer mixing tank (1), a stirrer (2), a fertilizer storage tank (3), a fertilizer delivery pump (4), a fertilizer application pump (5) and a fertilizer delivery mechanism (19), wherein the stirrer (2) is used for stirring materials in the fertilizer mixing tank (1); the fertilizer storage tank (3) is communicated with the fertilizer mixing tank (1); the fertilizer delivery pump (4) is arranged between the fertilizer mixing tank (1) and the fertilizer storage tank (3) and is respectively communicated with the fertilizer mixing tank (1) and the fertilizer storage tank (3); the fertilizer delivery mechanism (19) is used for delivering fertilizers to the fertilizer mixing tank (1). According to the fertilizer preparation device and the fertilizer application method, the fertilizer application speed is high, and the efficiency is high; the problems of overlarge labor intensity of manual fertilizer applicationand high cost are solved; the fertilizer preparation device and the fertilizer application method have good economic benefits and social benefits.
Owner:京蓝沐禾节水装备有限公司
Electric vehicle energy service station based on SOFC, and running control method thereof
ActiveCN109703408ASolve the problem of site selectionHigh purityCharging stationsClimate change adaptationLand resourcesHydrogen
The invention provides an electric vehicle energy service station based on SOFC, which relates to the technical field of new energy application, and comprises a fuel supply sub-system for supplying natural gas, water and air to a power generating sub-system and supplying water to a hydrogen producing sub-system; a power generating sub-system, with a part being supplied to the hydrogen producing sub-system and the other part being supplied to a charging and hydrogen adding sub-system to charge the vehicle; the hydrogen producing sub-system, with one part being supplied to the power generating sub-system when necessary and the other part being supplied to the charging and hydrogen adding sub-system to add hydrogen to the vehicle; a control sub-system, including a central control module, which controls other sub-systems to execute corresponding operations through a bus; the charging and hydrogen adding sub-system, for providing a port for charging vehicle and adding hydrogen. The invention is advantageous in that in areas where land resources are tight, problems of selecting location for charging stations or hydrogen-adding stations and land utilization can be resolved; the energy comprehensive resolution for electrical vehicles is provided. The invention also discloses a running control method of the service station.
Owner:SICHUAN ENERGY INTERNET RES INST TSINGHUA UNIV
System for producing natural gas from coke oven gas
The invention relates to the field of comprehensive utilization of coke oven gas, in particular to a system for producing natural gas from coke oven gas. The system comprises a compressor, wherein the compressor is connected with a temperature swing adsorption device through a pipeline, the temperature swing adsorption device is connected with a first pressure swing adsorption device through a pipeline, the first pressure swing adsorption device is connected with a second pressure swing adsorption device through a pipeline, and the second pressure swing adsorption device is connected with a first vacuum pump through a pipeline; the first pressure swing adsorption device is connected with a second vacuum pump through a pipeline. The temperature swing adsorption device, the second pressure swing adsorption device and the second vacuum pump are connected with a power generating boiler through pipelines. Residual gas after extraction of natural gas is not treated further and used for generating power, the coke oven gas is treated with the pressure swing adsorption method for extraction of the natural gas, and the total energy consumption of the device is low.
Owner:湖北和远气体股份有限公司
Device and method for detecting dust removal performance of cloth bag in coal-fired power plant
PendingCN111982771AGuaranteed accuracySteady drawWeighing by removing componentPermeability/surface area analysisConvertersFrequency changer
The invention discloses a device and method for detecting the dust removal performance of a cloth bag in a coal-fired power plant. The device comprises a temperature control system, a detection deviceand an intelligent control feedback system. Firstly, the first air pump and the second air pump which are provided with the frequency converters are arranged, stable pumping force can be provided, and output can be adjusted in real time. And secondly, a temperature control system is arranged, so that the flue gas temperature in the cloth bag dust collector device of the power plant can be simulated, and the detected result is closer to the actual result. And then a dust generating device, a static electricity removing premixing device and an optical concentration detection device are arranged, so that the accuracy of the dust concentration in the gas can be ensured. And finally, the compression air cylinder provides back-blowing rapping power for the device, so that the device can test the static dust removal efficiency and the dynamic dust removal efficiency. According to the invention, the detection working condition is optimized, the temperature field condition is provided, the detection result is more rigorous and accurate, the smoke concentration detection accuracy is improved, and the parameters of the dust removal efficiency measured by the device are more diversified.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD
Hydro-turbo generator set vibration protection accomplishing method
ActiveCN101289990BAdjust output in real timeHarm reductionHydro energy generationMachines/enginesState of artReal-time data
The invention provides a method for realizing the vibration protection for a hydroelectric generating set, which belongs to a realizing method for performing the vibration protection for the hydroelectric generating set under different operating conditions, aiming to solve the problem that the prior art can not study by self and regulate output to perform the vibration protection for different models under different working conditions. The method comprises the follow steps of: a. collecting, testing and sorting original data for the models of the hydroelectric generating sets and various operating conditions to construct an analytic system data model; b. analyzing and processing a data format represented as an index of set stability after collecting real-time data for the vibration of thehydroelectric generating set, and storing the data in a database at the same time; and c. extracting and analyzing the vibration data in the database to obtain the characteristics and the trend of the vibration of each working condition of the set, making corresponding early warning and corresponding protecting processes by combining current operating mode, current operating condition and the real-time data, and inputting the early warning and protecting processes into a computer supervisory control system to regulate the output of the set in real time, thereby avoiding a vibration area or machine halt, and reducing harm to the set.
Owner:四川中鼎自动控制有限公司
Single-charging and single-cutting charging method and charging system for storage batteries
ActiveCN105356526AReduce the risk of security incidentsImprove performanceBatteries circuit arrangementsEmergency protective circuit arrangementsLithiumElectrical battery
The invention discloses a single-charging and single-cutting charging method and charging system for storage batteries. According to the method, each single battery in a storage battery pack is provided with one path of special charging module power supply; each single battery is independently controlled to charge in a one-on-one manner; and the single-charging and single-cutting charging method can be applied to a zinc-silver storage battery pack or a lithium-ion storage battery pack. The charging system comprises the storage battery pack, multiple paths of charging module power supplies, a computer and voltage-drop compensation connection charging terminals; the storage battery pack comprises a plurality of single batteries; each single battery is provided with one path of special charging module power supply; each path of charging module power supply is provided with two voltage-drop compensation connection charging terminals; the voltage-drop compensation connection charging terminals are connected with the charging module power supplies and the single batteries respectively; and the computer can control various paths of charging module power supplies. According to the single-charging and single-cutting charging method and charging system for the storage batteries disclosed by the invention, different charging parameters can be set according to the state of each single battery in the storage battery pack; and independent charging of each single battery is achieved.
Owner:SHANGHAI INST OF SPACE POWER SOURCES
Novel drinking water sterilizer integrated control system
InactiveCN108563153AAdjust output in real timeEffective bactericidal doseProgramme controlWater treatment parameter controlControl systemTransmittance
The invention relates to a novel drinking water sterilizer integrated control system comprising an embedded central processing unit, a temperature detection module, a UVT transmittance detection module, a flow input detection module, an ultraviolet intensity monitoring module, a UV intensity adjusting module, a cleaning module, a power supply and power detection module and a touch operation panel.The novel drinking water sterilizer integrated control system has adjustable UV output and stable UV intensity.
Owner:ONYX TIANJIN ENVIRONMENTAL PROTECTION EQUIP MFG
Micro-gyroscope sensor terminal sliding mode control system based on recursive fuzzy neural network
ActiveCN110703611AAdjust output in real timeStable driving vibration amplitudeAdaptive controlTerminal sliding modeNon linear functions
The invention discloses a novel recursive fuzzy neural network terminal sliding mode control system of a micro gyroscope system. The terminal sliding mode control system adopts terminal sliding mode control and adds a nonlinear function in the design of a sliding hyperplane, so that a system state can be converged to a balance point at a faster speed, thereby accelerating the response speed of thecontrol system. Moreover, the output of the recursive fuzzy neural network is used for replacing uncertain items in a terminal sliding mode controller, so that the robustness of the system is higher.
Owner:HOHAI UNIV CHANGZHOU
Novel energy saving air conditioner condensation system
InactiveCN107218676AAdjust output in real timeTo achieve the purpose of energy savingSpace heating and ventilation safety systemsLighting and heating apparatusElectricityNew energy
The invention discloses a new type of energy-saving air-conditioning refrigeration system, comprising: an air conditioning device, which includes a heat exchanger and a fan placed on one side of the heat exchanger, and the heat exchanger is provided with a water inlet and a water outlet; The heat exchanger provides chilled water chiller. The chiller is equipped with a chilled water inlet and a chilled water outlet. There is a chilled water inlet pipe connected between the chilled water inlet and the heat exchanger outlet. The chilled water outlet is connected to the heat exchanger inlet. A chilled water outlet pipe is connected between the water ports; a chilled water temperature sensor installed on the chilled water inlet pipe and chilled water outlet pipe; a chilled water pump installed on the chilled water outlet pipe; a cooling device connected to the refrigerator; at least one for a temperature and humidity sensor for measuring air temperature and humidity; and a controller electrically connected to the air conditioning device, refrigerator, chilled water temperature sensor, chilled water pump, cooling device and temperature and humidity sensor respectively. The system can adjust the cooling output in real time according to the change of air heat and humidity load, so as to save energy.
Owner:廖艳
Power supply system used for silicon photomultiplier of PET system
PendingCN109009195AGuaranteed gainImprove image qualityComputerised tomographsTomographyVoltageData processing
The invention provides a power supply system used for a silicon photomultiplier of a PET system. The power supply system comprises a data processing module, a temperature monitoring module, an operation module and a voltage supply chip. The system is used for providing stable and efficient voltage for the silicon photomultiplier.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Efficient total heat recovery central air conditioner
InactiveCN106610096AExtended operating rangeIncrease condensing temperature and exhaust temperatureEnergy recovery in ventilation and heatingMechanical apparatusRefrigerantInlet temperature
The invention discloses an efficient total heat recovery central air conditioner which comprises a heat recovery and exchange system, a compression motor, a chilled water temperature sensor, a pressure water pump, a condenser, a temperature and humidity sensor and an integrated chip. The heat recovery and exchange system comprises a heat exchanger and a fan arranged on one side of the heat exchanger, and the heat exchanger is provided with a water inlet and a water outlet. According to a refrigerant control method of the efficient total heat recovery central air conditioner, refrigerants in the efficient total heat recovery central air conditioner is automatically adjusted, the phenomena that condensate depression does not exist at the upstream position of a throttling device of the efficient total heat recovery central air conditioner, and low-pressure protection of part of a heat recovery and exchange unit occurs when the ambient temperature is high and the water inlet temperature of the heat-recovery heat exchanger is low are avoided, and the operation range of the efficient total heat recovery central air conditioner is obviously expanded. Moreover, when the water inlet temperature of the heat-recovery heat exchanger is low and the ambient temperature is low, the condensing temperature and exhaust temperature of the efficient total heat recovery central air conditioner are increased forcedly, the heat exchange capacity of the heat-recovery heat exchanger is enhanced, and it is guaranteed that the efficient total heat recovery central air conditioner has high heat recovery quantity and high heat-recovery water outlet temperature.
Owner:钟舒
Fertilizer preparing device, sprinkler with fertilizer preparing device and fertilization method
PendingCN109906739ASimple structureLow costFertilising methodsPressurised distribution of liquid fertiliserFertilizerAgricultural engineering
The invention relates to a fertilizer preparing device. The fertilizer preparing device comprises at least two fertilizing mixing tanks, a fertilization pump and a stirrer, the fertilization pump is communicated with the at least two fertilizer mixing tanks and used for pumping and discharging materials in the fertilizer mixing tanks, and the stirrer is used for stirring the materials in the fertilizer mixing tanks. According to the fertilizer preparing device and a fertilization method, fertilizer can be supplied continuously and uninterruptedly, the fertilization speed is high, the efficiency is high, the problem that the labor intensity of manual fertilization is too large is solved, the problem of high cost is solved, and good economic benefits and social benefits are achieved.
Owner:京蓝沐禾节水装备有限公司
Solar air conditioner cold and hot electricity co-generation system based on photovoltaic power generation system
InactiveCN106440125AAdjust output in real timeAdjust outputSpace heating and ventilation safety systemsLighting and heating apparatusElectricityCogeneration
The invention discloses a solar air conditioner cold and hot electricity co-generation system based on a photovoltaic power generation system. The solar air conditioner cold and hot electricity co-generation system comprises a gas processor, a compression motor, chilled water temperature sensors, a chilled water pump, a cooling device, at least one temperature and humidity sensor and a controller; the gas processor comprises a heat exchanger and a draught fan arranged on one side of the heat exchanger, and the heat exchanger is provided with a water inlet and a water outlet; the compression motor provides chilled water to the heat exchanger and is provided with a chilled water inlet and a chilled water outlet, a chilled water inlet pipe is connected between the chilled water inlet and the water outlet of the heat exchanger, and a chilled water outlet pipe is connected between the chilled water outlet and the water inlet of the heat exchanger; the chilled water temperature sensors are installed on the chilled water inlet pipe and the chilled water outlet pipe; the chilled water pump is installed on the chilled water outlet pipe; the cooling device is connected with the compression motor; the temperature and humidity sensor is used for measuring the temperature and the humidity of air; and the controller is electrically connected with the gas processor, the compression motor, the chilled water temperature sensors, the chilled water pump, the cooling device and the temperature and humidity sensors. By means of the system, according to the air heat humidity load changes, the cold capacity output is adjusted in real time, and energy is saved accordingly.
Owner:蒋子荣
Fertilizer preparation device, sprinkler machine containing fertilizer preparation device and fertilizing method
PendingCN109906734AControl flowIncrease profitPressurised distribution of liquid fertiliserInsect catchers and killersSocial benefitsEconomic benefits
The invention relates to a fertilizer preparation device, which comprises: a fertilizer mixing tank (1), a stirrer (2), a fertilizer storage tank (3), a fertilizer conveying pump (4) and a fertilizerapplying pump (5), wherein the stirrer (2) is used for stirring materials in the fertilizer mixing tank (1); the fertilizer storage tank (3) is communicated with the fertilizer mixing tank (1); the fertilizer conveying pump (4) is arranged between the fertilizer mixing tank (1) and the fertilizer storage tank (3) and is respectively communicated with the fertilizer mixing tank (1) and the fertilizer storage tank (3); the fertilizer applying pump (5) is communicated with the fertilizer storage tank (3) and is used for pumping and discharging the materials in the fertilizer storage tank (3). According to the fertilizer preparation device and the fertilizer application method, the fertilizer application speed is high, the efficiency is high, and the problems of overlarge labor intensity of manual fertilizer application and high cost are solved; the fertilizer preparation device and the fertilizer application method have good economic benefits and social benefits.
Owner:JINGLAN MUHE WATER SAVING EQUIP CO LTD
Robot capable of achieving weight reduction and gravity center transfer
PendingCN114344094AHigh control precisionImprove synchronicityWalking aidsElectric machineryEngineering
The invention provides a robot capable of realizing weight reduction and gravity center transfer, which comprises a weight reduction rack, a visual detection module, an active weight reduction module, a passive weight reduction module, a gravity center shift and rotation module and a controller module, and is characterized in that the visual detection module is used for collecting images and depth information of a human body; the active weight reduction module comprises an active weight reduction motor and a weight reduction pull rope force driven by the active weight reduction motor; the passive weight reduction module comprises a passive spring and a weight reduction reciprocating sliding block, the weight reduction reciprocating sliding block can move in the vertical direction, the top end position of the passive spring is adjustable, and the bottom end of the passive spring is detachably connected with the weight reduction reciprocating sliding block; the gravity center shifting and rotating module is connected with the passive weight reduction module; the visual detection module, the active weight reduction module, the passive weight reduction module and the offset and rotation module are all connected with the controller module. The gait rehabilitation training method is realized by combining active weight reduction and passive weight reduction, is high in control precision, can effectively assist a rehabilitation patient in gait rehabilitation training, and improves the rehabilitation training effect.
Owner:SOUTH CHINA UNIV OF TECH
Thermoelectric refrigeration assisted air conditioning system capable of controlling temperature and humidity independently
InactiveCN108224605AAdjust output in real timeTo achieve the purpose of energy savingDomestic cooling apparatusSpace heating and ventilation safety systemsElectricityEngineering
The invention discloses a thermoelectric refrigeration assisted air conditioning system capable of controlling temperature and humidity independently. The system comprises a gas processor, a compression motor, freeze water temperature sensors, a freeze water pump, a cooling device, at least one temperature and humidity sensor and a controller, wherein the gas processor comprises a heat exchanger and a fan arranged on one side of the heat exchanger, and a water inlet and a water outlet are formed in the heat exchanger; the compression motor provides freeze water to the heat exchanger, a freezewater inlet and a freeze water outlet are formed in the compression motor, a freeze water inlet pipe is arranged between the freeze water inlet and the water outlet of the heat exchanger, and a freezewater outlet pipe is arranged between the freeze water outlet and the water inlet of the heat exchanger; the freeze water temperature sensors are mounted on the freeze water inlet pipe and the freezewater outlet pipe; the freeze water pump is mounted on the freeze water outlet pipe; the cooling device is connected to the compression motor; the at least one temperature and humidity sensor is usedfor measuring temperature and humidity of air; and the controller is electrically connected to the gas processor, the compression motor, the freeze water temperature sensors, the freeze water pump, the cooling device and the temperature and humidity sensors. The system can adjust output of cooling capacity in real time according to change of heat and humidity loads of air, so that the energy is saved.
Owner:王俊杰
Method for improving power stability of erbium-doped fiber light source
ActiveCN109507874AAvoid instabilityOutput Optical Power ControlControllers with particular characteristicsFiberGyroscope
The invention provides a method for improving power stability of an erbium-doped fiber light source. The whole structure of the erbium-doped fiber light source is designed; a light source TEC temperature control module and an LD driving circuit are designed; light subjected to beam splitting of an optical coupler reaches to a feedback control module of a circuit from the output end of the light source, and a photoelectric detector taken as a core device of the feedback control module receives return light and converts an optical signal into an electrical signal; increment type previous difference PID control algorithm is written, after compiling is completed, a control program is downloaded to a total controller of a light source system, the power of light output by the light source is controlled, and the light source with stable power is output. The control algorithm is applied to the feedback control module for the power of the erbium-doped fiber light source, the erbium-doped fiberlight source which has good power stability and linear changes in temperature with the power within a -40 DEG C-+60 DEG C range can be obtained, and more, solid foundation is provided for research ofa fiber-optic gyroscope of high precision.
Owner:HARBIN ENG UNIV
A distributed DC energy storage system without interconnection communication and its control method
ActiveCN105932663BRealize dynamic distribution of load powerMeet the maximum voltage deviation requirementBatteries circuit arrangementsLoad balancing in dc networkElectrical resistance and conductanceCommunications system
The invention discloses an intercommunication-free distributed direct-current energy storage system and a control method therefor. A current ratio is output according to a converter of an energy storage unit, virtual resistors with a state of charge of the energy storage unit and line impedance in charging and discharging conditions are designed separately, and load power dynamic distribution in the distributed direct-current energy storage system is realized without a communication system; and meanwhile a local voltage secondary controller is added, so that a voltage drop caused by a droop control method can meet a maximum voltage deviation requirement of the system. According to the distributed direct-current energy storage system and the control method, the present problems that the energy storage unit cannot dynamically distribute load power according to a current state of charge due to the fact that a control policy balances an output voltage of a distributed power supply by depending on the communication system and the influence of the line impedance on output current distribution precision of the energy storage unit is not considered can be comprehensively solved.
Owner:CHENGDU GUOJIA ELECTRICAL ENG CO LTD
Sliding mode control system of micro-gyroscope sensor terminal based on recursive fuzzy neural network
ActiveCN110703611BAdjust output in real timeStable driving vibration amplitudeAdaptive controlGyroscopeControl system
The invention discloses a new recursive fuzzy neural network terminal sliding mode control system of a micro-gyroscope system. The terminal sliding mode control adopted in the invention adds a nonlinear function to the design of the sliding hyperplane, so that the system state can be used faster The speed converges to the equilibrium point, thus speeding up the response speed of the control system. And the output of the recursive fuzzy neural network is used to replace the uncertain items in the terminal sliding mode controller, so that the robustness of the system is stronger.
Owner:HOHAI UNIV CHANGZHOU
An air conditioner and its compressor control method
ActiveCN111623492BAdjust output in real timeReduce operating frequency fluctuationsMechanical apparatusSpace heating and ventilation safety systemsThermodynamicsControl theory
The invention provides an air conditioner and a compressor control method thereof. After the outdoor ambient temperature enters the corresponding outdoor ambient temperature subsection, according to the change of the ambient temperature, the subsection target frequency corresponding to the outdoor ambient temperature subsection is performed. Correction. When the ambient temperature decreases, the load demand becomes smaller, and the target frequency correction decreases to prevent the air conditioner from running at high frequency, and the output of the air conditioner is adjusted in real time to reduce energy, so as to adapt to the changing environment needs; when the ambient temperature increases, the When the load demand increases, the target frequency correction increases, and the output of the air conditioner is adjusted in real time to adapt to the changing environment. The invention can control the operating frequency of the compressor of the air conditioner to change gradually following the change of the ambient temperature, prevent the stepwise change, achieve the purpose of precise control, reduce the fluctuation of the operating frequency of the compressor, improve the use comfort, and improve the energy saving of the air conditioner.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
Single-charge and single-cut charging method and charging system for storage battery
ActiveCN105356526BReduce the risk of security incidentsImprove performanceBatteries circuit arrangementsEmergency protective circuit arrangementsLithiumElectrical battery
Owner:SHANGHAI INST OF SPACE POWER SOURCES
Novel energy-saving air conditioner capable of adjusting load dynamically
InactiveCN107143965AAdjust output in real timeTo achieve the purpose of energy savingSpace heating and ventilation safety systemsLighting and heating apparatusElectricityEngineering
The invention discloses a novel energy-saving air conditioner capable of adjusting the load dynamically. The novel energy-saving air conditioner comprises an air adjusting device, a refrigerating machine, refrigerated water temperature sensors, a refrigerated water pump, a cooling device, at least one temperature and humidity sensor and a controller. The air adjusting device comprises a heat exchanger and a draught fan placed on one side of the heat exchanger; and a water inlet and a water outlet are formed in the heat exchanger. The refrigerating machine supplies refrigerated water to the heat exchanger, a refrigerated water inlet and a refrigerated water outlet are formed in the refrigerating machine; a refrigerated water inlet pipe is connected between the refrigerated water inlet and the water outlet of the heat exchanger; and a refrigerated water outlet pipe is connected between the refrigerated water outlet and the water inlet of the heat exchanger. The refrigerated water temperature sensors are mounted on the refrigerated water inlet pipe and the refrigerated water outlet pipe. The refrigerated water pump is mounted on the refrigerated water outlet pipe. The cooling device is connected with the refrigerating machine. The at least one temperature and humidity sensor is used for measuring the temperature and humidity of air. The controller is electrically connected with the air adjusting device, the refrigerating machine, the refrigerated water temperature sensors, the refrigerated water pump, the cooling device and the temperature and humidity sensors. The system can adjust cold energy output in real time according to the change of the air thermal and humid load, and accordingly energy is saved.
Owner:王俊杰
A control method and system for primary frequency modulation of wind storage system
ActiveCN112600225BReal-time frequency modulationGuaranteed uptimePower oscillations reduction/preventionElectrical engineering technologyThermodynamics
Owner:HUAZHONG UNIV OF SCI & TECH
A high-frequency pulse power supply for electric dust removal
The invention relates to a high frequency pulse power supply for electric dedusting. A three-phase alternating-current power supply is supplied to a deduster electric field after passing through the high frequency pulse power supply for electric dedusting. The high frequency pulse power supply for electric dedusting includes a main loop switch, a pulse power generator, a high frequency fundamental wave circuit, a DSP controller, a detection circuit, and a coupling circuit. The pulse power generator and the high frequency fundamental wave circuit are connected between the main loop switch and the coupling circuit in parallel.
Owner:ZHEJIANG DOWAY ADVANCED TECH CO LTD
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