10results about How to "Improve load adaptability" patented technology

The invention relates to a switching power supply control method, system and device and a storage medium, and the method comprises the steps: monitoring the voltage and current of the output end of a switching power supply, and the rate and amplitude of load change, and obtaining the real-time data of the load change; according to the real-time data of the load change, the change of the current load is identified, and a load change mode is obtained; dynamically adjusting operation parameters of the controller according to the load change mode; based on the real-time data of the load change, predicting the load change trend of the switching power supply in real time by using a pre-trained load prediction model to obtain a prediction result, and generating a disturbance compensation signal based on the prediction result; and adjusting the switching state of a switching circuit of the switching power supply according to the control parameter adjusted by the controller and the disturbance compensation signal. The switching power supply has the effect of improving the stability of the switching power supply.

The invention discloses an LCC-S compensation network parameter optimization method and system for a rotary ultrasonic machining system. The method comprises the following steps: S1, obtaining equivalent parameters LP, LS, MPS, RP and RS of a loose coupling transformer, and equivalent electromechanical parameters L1, C1, R1 and C0 of an ultrasonic vibrator under a variable load condition; s2, constructing a rotary ultrasonic machining RUM system equivalent circuit model comprising an LCC-S compensation network; s3, LCC-S compensation network parameters are configured; s4, taking the frequency deviation, the output power and the transmission efficiency of the RUM system under the variable load condition as objective functions of the multi-objective optimization model; s5, taking no-load resonant frequency matching, a design variable range and compensation element stress as constraint conditions of the multi-objective optimization model; and S6, determining an optimal design variable and compensation network parameter combination. The problem that the resonant frequency deviation of a traditional static compensation network is large under the variable load condition is effectively solved, and the load adaptability of the LCC-S compensation network is remarkably improved.

The utility model relates to dust removal tower technical field, the utility model provides a kind of high-efficiency dynamic water dust removal equipment, it is installed in the cyclone bin of dust removal tower and located below spray layer, for making flue gas and spray water fully contact, including cylinder, the top and bottom of cylinder are open;Positioning column is arranged in cylinder, and it is arranged along the axial direction of cylinder, and the containing space is formed between the outer wall of positioning column and the inner wall of cylinder;A plurality of annular flow control panels are located at the bottom opening of cylinder, and flow guide groove is formed between adjacent annular flow control panels, and flow guide groove is used to make flue gas flow into containing space in tangent direction;A plurality of adsorption balls are placed in containing space, and adsorption ball can rotate around positioning column under the drive of flue gas.The above technical scheme solves the technical problems that the dust removal device in the prior art is difficult to meet the fine particulate matter emission requirements, and has high operating energy consumption, frequent maintenance, poor load adaptability and may cause secondary pollution.

The application provides a high-altitude wind load reduction control method and device for a carrier rocket, and the method comprises the following steps: obtaining a lateral normal apparent velocity increment of a rocket body coordinate system, and obtaining a lateral normal overload according to the lateral normal apparent velocity increment; integrating the lateral normal overload to obtain a lateral normal velocity increment; performing amplitude limiting processing and linear transition processing on the lateral normal velocity increment to obtain a compensation instruction value; obtaining a final rudder instruction value according to the sum of a rudder instruction value obtained by an attitude control system of the carrier rocket and the compensation instruction value; and controlling the carrier rocket by an execution mechanism of the carrier rocket, and the carrier rocket moves in an attitude related to the final rudder instruction value. The application can reduce the aerodynamic load of the carrier rocket, thereby improving the high-altitude wind field load adaptability, reducing the structural weight of the rocket, improving the carrying capacity, and enhancing the task-free ability.

The present application relates to an EHA control system and control method for a robot leg joint actuation, wherein the control system includes a host computer, a controller, a signal acquisition system, a driver, a DC motor, a bidirectional fixed-displacement plunger pump, a motor encoder, a symmetrical hydraulic cylinder and a joint angular displacement sensor. The controller is connected to the host computer via a communication interface to receive instructions from the host computer and send instructions to the driver connected thereto. The driver is connected to the DC motor, and the DC motor and the bidirectional fixed-displacement plunger pump are serially installed on the same axis. The motor encoder is installed on the DC motor to collect the motor's speed and position signals. The joint angular displacement sensor is installed at the robot's leg rotation joint to collect joint angle signals and send the collected joint angle signals to the signal acquisition system. The signal acquisition system sends the processed signals to the controller.

The invention discloses a unipolar and bipolar pulse generating device for electric field ablation and a control method, and relates to the technical field of electric field ablation. The unipolar and bipolar pulse generating device comprises a high-voltage charging module, a half-bridge series pulse generating module and a driving control module; the high-voltage charging module provides high-voltage electric energy for the half-bridge series pulse generation module; the driving control module is connected with the half-bridge series pulse generation module and is used for controlling the on-off of a switch of the half-bridge series pulse generation module; one end of the load matching and protection module is connected with the half-bridge series pulse generation module, and the other end is connected with a load to realize pulse matching transmission and safety protection. The technical scheme that unipolar and bipolar can be freely switched is adopted, dual optimization of the ablation effect and operation safety is achieved, ablation pretreatment is conducted in a bipolar mode, and an ablation blind area caused by the single unipolar electric field direction is eliminated through alternate positive and negative pulses.

The invention relates to an omni-directional wheel train, an omni-directional frame, an omni-directional moving platform and a bearing platform, the omni-directional wheel train comprises two side supporting plates, a wheel set with the two ends rotationally connected to the middle ends of the two side supporting plates respectively, a wheel carrier with the lower end rotationally connected to one ends of the two side supporting plates respectively, and a damping assembly; the upper end of the wheel frame is horizontally bent to form a transverse structure located over the wheel set, and the transverse structure is provided with a rotatable rotation gear. The damping assembly comprises a fixed blocking rod, a damping rotating shaft and at least one damping pair, wherein the two ends of the fixed blocking rod are rotationally connected to the other ends of the two side supporting plates correspondingly, the two ends of the damping rotating shaft are rotationally connected to the transverse structure, and the two ends of the damping pair are connected to the fixed blocking rod and the damping rotating shaft correspondingly. By the adoption of the technical scheme, the technical problems that when the load gravity center of an existing wheel train is biased, a vehicle body swings, steers unstably and even rolls over can be solved.

The present invention discloses a vertical water pipe built-in premixed membrane wall cooling burner and a gas boiler, the gas boiler includes a burner, a furnace, a heat exchanger and a flue; the burner adopts a combustion mode of built-in premixer and membrane wall cooling, with a central side-by-side tube bundle or an arc side tube bundle as the burner head, the furnace is two semi-cylindrical spaces surrounded by the burner and the heat exchanger, the heat exchanger is a water pipe bundle connected to the upper and lower annular headers and expanded along 1 to 3 circles of circular arcs; the burner and the heat exchanger can be swapped; after the premixed gas is burned by the burner, the flue gas generated flushes the relative heat exchange area and is collected and discharged by the flue. The present invention has a compact structure, low resistance and high heat exchange efficiency; the gas flow is short, the mixing and distribution are uniform, explosion-proof, and the safety is high, and it is suitable for the blending of natural gas and low / zero carbon fuels and the combustion of pure fuels; the combustion temperature is low, the load is uniform, the adjustment ratio is large, and the NOx emission is low; the burner and the heat exchanger are connected to the header by an integral or partially detachable flange, and the maintainability is high.

The present invention discloses a power control method and device for a charging station combined with long-term monitoring and analysis, and relates to the field of charging management technology. The method comprises: for a charging station, collecting equipment configuration and architecture, and constructing a station diagram structure. At the same time, a timing monitoring and analysis channel is established, including long-term and short-term monitoring, to evaluate the power conversion state. Based on the station diagram, equipment-independent and station-global analysis links are established, and the timing monitoring channel is accessed to obtain a power conversion evaluation. Through analysis and evaluation, the abnormal operation risks of charging equipment and stations are identified. Finally, for abnormal risks, the control targets are located, control analysis is performed, and power control strategies are formulated to smooth or eliminate risks. Thereby achieving the technical effect of improving load adaptability and simplifying control strategies.

The application provides a two-phase turbine multistage flow channel coordinated regulation system and method of carbon dioxide, belongs to the technical field of supercritical carbon dioxide cycle power generation, and can at least partially solve the problems that the existing turbine design cannot accurately characterize the non-equilibrium phase change phenomenon of carbon dioxide near the critical region and the strong coupling of gas-liquid two-phase flow, the actual turbine performance significantly deviates from the design expectation, the cycle efficiency is lost, the erosion damage of the blade is caused, the non-steady flow excitation force generated during variable load operation affects the operation safety of the rotor, the application comprises a turbine with three-stage gradient decompression flow channel design, a transcritical coupling monitoring module, a regulation module and an external processing module, the transcritical coupling monitoring module captures the critical density jump, the droplet distribution and the vibration signal in real time, provides data support for regulation, and the regulation module dynamically adjusts the flow channel based on the relaxation time, the erosion risk index and other parameters, so that wide load efficient and stable operation is realized.