24results about How to "Optimize power output" patented technology

The invention provides a marine photovoltaic energy storage inverter, which relates to the technical field of marine equipment and comprises a photovoltaic cell panel DC1, a storage battery DC2, a direct current filtering module, a boosting module, an inversion module, an alternating current filtering module and a control module. The photovoltaic cell panel DC1 and the storage battery DC2 serve as direct current input and are connected with the direct current filtering module, the direct current filtering module is connected with the boosting module, the boosting module is connected with the inversion module, the inversion module is connected with the alternating current filtering module, and the alternating current filtering module is connected with the control module. According to the invention, the design of double direct current filtering units is adopted, the interference of the input ends of the photovoltaic cell panel DC1 and the storage battery DC2 is effectively filtered, and the purity and stability of the marine direct current are ensured.

The utility model discloses a yarn dividing device of a high-speed flat yarn machine, and relates to the technical field of flat yarn machines, the yarn dividing device comprises a bearing base, a limiting hole, a supporting pipe, a yarn dividing ring and a driving rocker, a supporting leg is arranged above the bisector of the bearing base, the top of the supporting leg is provided with the supporting pipe, the right side of the supporting pipe is provided with the yarn dividing ring, and the yarn dividing ring is arranged on the right side of the supporting pipe. A fixing frame is installed on the left side of the branching ring, a limiting hole is formed in the fixing frame, a gear box is installed on the left side of the fixing frame, and a driving motor is arranged on the left side of the gear box. Six silk threads can be packaged at the same time, the working efficiency can be greatly improved, the rocker is driven to convert axis operation into linear motion, under the condition that the structural strength is guaranteed, the silk threads can be evenly distributed to a thread coil through the reciprocating pull rod and the thread uniformizing ring, and the utilization rate of the thread coil is improved.

The invention discloses an adjusting system for controlling the rotating speed of an automobile engine, and the system is characterized in that the system comprises a data collection module which collects the conventional operation parameters of the automobile engine in real time, the conventional operation parameters comprise the rotating speed, the torque, the air inflow, the oil temperature and the oil pressure, and also collects the acceleration, the gradient information, the external environment temperature and humidity of a vehicle and the driving behavior data of a driver; such as accelerator pedal depth change rate and brake frequency; the data analysis module is connected with the data acquisition module and is used for deeply mining a relationship and a potential rule in data by applying a long short-term memory (LSTM) network algorithm in deep learning and a fusion analysis method based on a physical model, identifying a real-time running state and a future change trend of the engine and intelligently diagnosing potential fault hidden dangers; the fuel injection amount and the ignition time can reach the optimal state through accurate rotation speed adjustment, fuel consumption is greatly reduced, fuel economy is improved, and expenditure is saved for users.

The invention relates to the technical field of tensioning devices, and discloses an integrated automatic take-up and pay-off tensioning winding device which comprises a device body, a transmission structure, a guide device and a tensioning winding displacement mechanism are arranged on the device body, the transmission structure comprises a driving support, and a gear motor, a driving shaft and a driven shaft are arranged on the driving support. The driving shaft and the driven shaft are connected with a first driving wheel and a second driving wheel respectively, and a steel wire rope is arranged between the first driving wheel and the second driving wheel. The guide device comprises a fixed frame, and a plurality of guide wheels are arranged at the end part of the fixed frame; the tensioning and wire arranging mechanism comprises a lead screw shaft, a bidirectional pulley device is arranged on the lead screw shaft, the bidirectional pulley device comprises two pulleys, and the steel wire rope penetrates through the two pulleys respectively. According to the invention, a solid wire is dynamically tensioned, and better power output is maintained; meanwhile, equipment faults caused by derailment of the steel wire rope and aggravated abrasion and dynamic fluctuation caused by disordered winding of the steel wire rope are avoided, the structure is ingenious, the function is reliable, and cost is saved.

The invention provides a wind power plant power coordination control method and device considering safety, and relates to the technical field of wind power plant power coordination control. The coordination control method comprises the following steps: acquiring environment data and equipment state data around the working environment of a wind turbine generator in real time; the environment parameters and the equipment state parameters are subjected to data preprocessing, a self-adaptive control model is established based on the processed data and a theoretical power output formula of the wind turbine generator set, the output power of the wind turbine generator set is set, and when it is monitored that the power exceeds a safety threshold value, the system automatically triggers an alarm. And immediately adjusting the power output of the wind turbine generator or adjusting the angle of the blades of the wind turbine generator. After the wind turbine generator is shut down, the system can judge whether normal operation can be recovered or not according to the safety coefficient information. According to the method, the operation state of the wind turbine generator can be monitored in real time, the output power is dynamically adjusted, the equipment fault risk is effectively reduced, and the stability and safety of wind power generation are optimized.

The invention relates to the technical field of thermal batteries, in particular to a high-specific-energy long-endurance thermal battery composite positive electrode material and a preparation method and application thereof.The composite positive electrode material is formed by compounding a high-capacity cobalt-based multi-component composite positive electrode material A and a high-conductivity cobalt-based multi-component composite positive electrode material B. Compared with traditional FeS2 and CoS2 positive electrode materials, the composite positive electrode material has the advantages that the specific energy of the composite positive electrode material is greatly improved; the material has the advantages of high pyrolysis temperature, good conductivity and high specific energy, and is suitable for high-specific-energy long-endurance thermal batteries.

The present invention discloses an energy-saving battery thermal management device for electric engineering vehicles and a control method thereof, which relates to the technical field of thermal management of batteries for electric engineering vehicles, and comprises a thermal management mechanism, wherein the thermal management mechanism comprises a base plate, wherein the upper surface of the base plate is provided with a plurality of symmetrical mounting holes, an electric air compressor and a gas storage tank are fixedly connected to the upper surface of the base plate, an electronic pressure gauge is fixedly installed on the outer surface of the gas storage tank, and the electronic pressure gauge is electrically connected to the electric air compressor through a wire, and a refrigeration mechanism is arranged above the gas storage tank. This energy-saving battery thermal management device for electric engineering vehicles can quickly generate cold air and provide it to the electric engineering vehicle for battery cooling thermal management, while effectively reducing the electrical equipment required for generating cold air, and there is no need to use liquids such as refrigerants or antifreeze, thereby reducing the thermal management cost of the battery of the electric engineering vehicle, and making the thermal management cooling process of the battery of the electric engineering vehicle more efficient and energy-saving.

This invention relates to a method for improving the consistency of battery cell sorting based on DC internal resistance time-domain response subdivision. The method includes: performing a DC internal resistance test on the battery cells to be sorted, the DC internal resistance test including constant current discharge of the battery cells to be sorted, and collecting voltage and current time series data of the battery cells to be sorted during the constant current discharge process. A time reference is determined for the constant current discharge to reach a target current steady state, and multiple response time intervals are determined based on the time reference. Using the EIS principle, a reference voltage value before constant current discharge and the interval voltage value corresponding to each response time interval are determined. Multiple time-domain segmented equivalent impedance parameters of the battery cells to be sorted are calculated. The battery cells to be sorted are then sorted according to the multiple time-domain segmented equivalent impedance parameters. This method can improve the consistency of DC load response among battery cells in the same group and is beneficial for improving the capacity utilization, power output, temperature rise dispersion, and cycle aging consistency after battery cell grouping.

The utility model relates to the technical field of model yachts, in particular to a model yacht. According to the technical scheme, the model yacht comprises a model yacht body, a power plate and a galvanized antirust layer, the bottom of the model yacht body is fixedly connected with the power plate, one side of the power plate is fixedly connected with a motor, the other side of the motor is fixedly connected with a transmission rod, the periphery of the transmission rod is sleeved with transmission rotating wheels, and a transmission belt is arranged between the transmission rotating wheels in a sleeved mode; propellers are fixedly connected to the periphery of the transmission rod, a galvanized anti-rust layer is fixedly connected to the interior of the model yacht body, and a hard steel layer is fixedly connected to the interior of the galvanized anti-rust layer. The power plate is fixedly connected to the bottom of the model yacht body, when the device is used, a worker can drive a transmission rotating wheel and a transmission belt to rotate by starting a motor, in addition, the device can drive a transmission rod and a propeller to rotate through the transmission rotating wheel, power output of the device is facilitated, and the device is convenient to use. And the device is convenient to use.

The invention relates to the technical field of charging, in particular to a flexible dynamic power distribution method and system for a charging pile, and the method comprises the following steps: S1, distributing the power of each charging module to a charging gun, and forming a plurality of small power distribution units; s2, according to the current demand power condition of the charging port, transverse grouping is dynamically carried out, and a primary power combination is formed; s3, performing longitudinal depth calculation on the basis of the primary combination, and dynamically combining the power of different segments; and S4, repeating the step S2 and the step S3, performing recursive hierarchical processing, and outputting the combination after the optimal power distribution is achieved. By adopting the design method, a charging pile control system of a charging pile manufacturer can dynamically adjust and optimize the power output of the power supply module by 100%, and the power supply is greatly utilized to stabilize the power output.

The application provides an athlete muscle strength training and rehabilitation system based on electric stimulation, and relates to the technical field of medical rehabilitation.The application synchronously collects electromyography and kinematic signals, extracts muscle coordination index and joint net output torque double-dimension features in real time, identifies three movement performance states of coordination dominant type, strength dominant type and mixed type, and dynamically generates differentiated electric stimulation parameter sets according to the three movement performance states, so that the precise typing and targeted intervention of the fatigue state of athletes are realized, the muscle coordination efficiency and strength output are synchronously optimized in training, compensatory injury is effectively prevented and functional recovery is accelerated in rehabilitation, and the individualization, safety and overall efficiency of training and rehabilitation are improved.

The invention belongs to the technical field of aquaculture, and particularly relates to an aquatic fish driving device and method to solve the technical problem that the fish driving effect cannot be adjusted. The aquatic fish driving device comprises a transmission belt A and a transmission belt pulley A. A floating box assembly is connected with a power assembly, and the power assembly is connected with a transmission assembly; the transmission assembly is connected with the driving assembly and the floating box body assembly, a transmission belt A is connected with the floating box body assembly, and a transmission belt wheel A is connected with the power assembly, so that the up-down reciprocating motion amplitude of a sliding connecting block and a second mounting connecting block is changed while the connecting position of the sliding connecting block and the second mounting connecting block is changed; further, the amplitude of vibration generated by the connecting rods is changed, and the efficiency of expelling the underwater fishes is adjusted by adjusting the vibration frequency and the vibration amplitude generated by the connecting rods.

The noise reduction method for the half-bridge multi-head induction cooker comprises the following steps: acquiring target power and oscillation frequency of each furnace end; based on the target oscillation frequency of each furnace end, a main furnace end and auxiliary furnace ends are determined, the furnace end with the lowest target oscillation frequency serves as the main furnace end, the corresponding resonance circuit of the furnace end serves as the main resonance circuit, the other furnace ends serve as auxiliary furnace ends, and the corresponding resonance circuits of the other furnace ends serve as auxiliary resonance circuits; obtaining a current signal through current detection; and according to the obtained current signal, a PWM mode is adjusted to control the operation of the main furnace end and the slave furnace end, so that the oscillation frequency of the main furnace end and the oscillation frequency of the slave furnace end are kept synchronous. The furnace end has the beneficial effects that the furnace end with the lowest target frequency is selected as the main furnace end, the resonance circuit corresponding to the main furnace end serves as the main resonance circuit, and the other furnace ends serve as the auxiliary furnace ends and correspond to the auxiliary resonance circuits. According to the method, the ordered distribution of the frequency in the multi-furnace-end system is ensured, and the possibility of frequency conflict and interference is reduced.

The invention discloses a wet-based power generation device, and relates to the field of humidity power generation, and the wet-based power generation device comprises a negative ion donor layer, a positive ion donor layer and an adjusting layer which are sequentially stacked from bottom to top. The negative ion donor layer can ionize negative ions after absorbing moisture; the electropositive ion donor layer and the adjusting layer form a nanofluid diode at the interface combination part; and the adjusting layer is a polymer film with a nanopore structure. The ion diode with the rectification effect automatically adjusted along with humidity changes well coordinates ion migration and diffusion under the high-humidity and low-humidity conditions, and it is guaranteed that a humidity power generation device has good electric energy output at the same level under the low-humidity and high-humidity conditions; therefore, the humidity power generation device can better adapt to the atmospheric environment with variable humidity and can more stably provide electric energy for an external electric device.

The invention discloses a photovoltaic MPPT (Maximum Power Point Tracking) conductance increment method and system for IGBT (Insulated Gate Bipolar Translator) duty ratio regulation and control, and relates to the technical field of power system engineering. Obtaining the voltage and current of the photovoltaic array, and calculating the variation of the voltage and current; calculating the change of the power according to the variation of the voltage and the current; adjusting the step length according to the absolute value of the power change; adjusting the duty ratio according to the power change; and performing secondary feedback according to the adjusted duty ratio and step length. The method provided by the invention is especially suitable for occasions with large environmental factor changes, and can realize accurate control of the output voltage and current of the photovoltaic panel, thereby optimizing the power output. The self-adaptive adjustment not only can cope with rapidly changing environmental conditions, but also can prevent power loss caused by fixed parameter setting, and improves the overall electric energy conversion efficiency.

The invention discloses a preparation method of a water photovoltaic power generation material and a power generation device thereof, and the water photovoltaic power generation material is a TpPa-SO3H-COF material or a TpPa-Py-COF material prepared by replacing p-phenylenediamine with 2, 5-diaminobenzene sulfonic acid or 2, 5-diaminopyridine in the process of preparing a TpPa-COF material. The method comprises the following steps: preparing a TpPa-SO3H-COF material solution or a TpPa-Py-COF material solution, preparing an organic filter membrane plated with a silver electrode, constructing a power generation membrane through an interfacial polymerization reaction, and finally additionally installing a copper wire to obtain the water photovoltaic power generation device. Two materials for preparing the water photovoltaic power generation device are explored from covalent organic frameworks (COFs) materials, and the electric signal output of voltage and current of the water photovoltaic power generation device is effectively improved through interfacial polymerization reaction construction.

The invention relates to the technical field of vehicle transmission, in particular to a wheel type hybrid transmission walking mechanical transmission system which is mainly composed of a terrain recognition module, a control module, a motor transmission module, a speed change module, a clutch module, a hydraulic transmission module, an energy storage module and a suspension module. The terrain environment around the wheel type walking machine is scanned in real time; the motor transmission module is directly connected with a driving wheel of the wheel type walking machine, and the walking machine is driven to advance or retreat through rotation of a motor. The hydraulic transmission module provides power for the wheel type walking machine through a hydraulic motor. The speed change module performs speed change control according to the instruction sent by the control module; the clutch module is used for disconnecting and connecting the corresponding motor transmission module and hydraulic transmission module according to the terrain requirement of the control module; the invention aims to provide a walking mechanical transmission system which is efficient, flexible and suitable for various terrains.

The invention discloses a food processor load balance control method and system, and relates to the technical field of motor control. Obtaining the rotating speed of a blade in the food processor to obtain the blade speed, obtaining a first speed difference value according to the blade speed and the target speed, determining a first speed difference coefficient according to the first speed difference value, and multiplying the first speed difference value by the first speed difference coefficient to obtain first speed influence power; monitoring temperature data of the food processor in the operation process in real time through a sensor, determining an adjustment mode according to the temperature data, and obtaining execution parameters in the adjustment mode; and obtaining target power of the motor according to the execution parameters in the adjustment mode and the first speed influence power, and adjusting operation power of the motor according to the target power. By monitoring the rotating speed of the motor and the blade speed in real time, the scheme can dynamically adjust the motor power according to the actual working condition, the operation precision is improved, and the operation efficiency of the food processor is improved.

The utility model discloses a waste water recycling device for a stage water curtain, and belongs to the technical field of stage water curtains. A wastewater recycling device for a stage water curtain comprises a reservoir, a screen, a water outlet pipe and a water inlet pipe, the screen is mounted on the reservoir, the water outlet pipe and the water inlet pipe are fixedly connected through a driving part in the reservoir, and the wastewater recycling device further comprises a filtering mechanism fixed to the surface of the water inlet pipe and used for purifying wastewater; the pressurizing mechanism is fixed on the surface of the water inlet pipe, and the pressurizing mechanism further comprises a pressurizing shell fixed at the end part of the water inlet pipe; under the cooperation of the pressurizing mechanism, the pressurizing shell, the driving shaft and the turbine, the water source flowing force can be fully utilized in the water source pumping process, so that power output can be provided for the cleaning mechanism and the knocking mechanism, the situation that a driving part needs to be independently arranged in the filter screen cleaning process is avoided, and the cleaning efficiency is improved. And the economic cost of equipment manufacturing is further reduced.

The invention provides an electric drive control system and method, an electric drive system, a vehicle and a device, and relates to the technical field of vehicles. The electric drive control system comprises an inverter, a first switch, a second switch and a third switch, the inverter comprises a first three-phase full-bridge inverter circuit and a second three-phase full-bridge inverter circuit, and the motor comprises a first winding and a second winding. Based on the motor with the first winding and the second winding, different connection modes among different windings of the motor can be realized by controlling the working modes of the first switch, the second switch, the third switch, the first three-phase full-bridge inverter circuit and the second three-phase full-bridge inverter circuit; the electric drive control system can automatically adjust the connection mode of the motor winding by controlling corresponding parts under different working conditions of the vehicle, so that the high-efficiency and low-cost vehicle electric drive control system is realized under the condition of not depending on a complex mechanical structure, and the requirements of the vehicle on power output under different working conditions are met.

The invention discloses a Transform-based driving habit prediction method and device, and belongs to the technical field of automatic driving and intelligent driving assistance, and the method comprises the steps: obtaining and preprocessing the historical vehicle driving data of a driver, and obtaining a vehicle driving data sequence in which the dimensional difference between different parameters is eliminated; a sliding window is adopted to slide on the vehicle driving data sequence, and a data sample containing a corresponding data label is extracted; training a Transform-based driving habit prediction model by using a data sample containing a corresponding data label, and in the training process, performing back propagation and parameter optimization by using a mean square error loss function to obtain a trained driving habit prediction model; and inputting real-time vehicle driving data into the trained driving habit prediction model to carry out real-time prediction on the vehicle driving data to obtain a driving habit prediction result. The auxiliary driving information can be obtained according to different persons, and the driving experience of a driver is improved.

The invention provides a wind generating set power optimization control method, and belongs to the technical field of optimization control. The method comprises the steps that 1, a sensor is arranged on the wind generating set, and real-time wind speed data of the surrounding environment and real-time rotating speed data of an impeller are obtained; 2, after the real-time wind speed data and the real-time rotating speed data of the impeller are standardized, a performance curve of the wind generating set is constructed; step 3, obtaining the maximum power point of the performance curve by using an MPPT algorithm; 4, according to the maximum power point and the performance curve, the impeller rotating speed is controlled to reach the maximum power in combination with a control algorithm; and step 5, configuring the control algorithm and the MPPT algorithm into the wind generating set control system, and performing optimization feedback on the algorithm according to the error between the adjusted real power and the optimal power. The wind power generation efficiency is improved, power output is optimized, and the stability and reliability of the wind generating set are enhanced.

The invention relates to the technical field of vehicle control, in particular to a hybrid DCT clutch control system and method. Comprising the steps that multiple temperature grades are preset, working parameters of the current environment are obtained, and the working parameters comprise the engine torque, the clutch torque, the engine rotating speed, the clutch rotating speed and the current actual cooling flow; calculating the current temperature of the clutch according to the working parameters; the corresponding temperature grade is judged according to the current temperature of the clutch, and the corresponding control strategy is switched based on the temperature grade; and executing the control strategy by using an execution module. According to the hybrid DCT clutch control system, on the premise that the maximum cooling capacity is not improved and the maximum torque is not limited, it is guaranteed that the clutch is not overheated through a gear shifting strategy method, and meanwhile the excellent gear shifting performance and power output are kept.

According to the DC ripple suppression circuit and the control method provided by the invention, an adjustable ripple absorption circuit is introduced, so that effective absorption and suppression of ripple current in a DC bus are realized. In the process, the controller calculates the direct-current power based on the collected electric signals, and power output is optimized by adjusting the resistance value of the variable resistor. And when the direct current power reaches the maximum value, the total loss of the whole system is minimum, so that the technical problem that the loss is relatively large when the direct current ripples are suppressed in related technologies is effectively solved, and the overall efficiency and stability of the system are improved.