21results about How to "Guaranteed control effect" patented technology

The application discloses a basalt fiber multi-escape plate wire drawing control method, system, device and medium, including the following steps: obtaining the real-time temperature, real-time viscosity, melt flow and target fiber diameter at the target escape plate; inputting the real-time temperature, real-time viscosity, melt flow and target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index; judging whether the dynamic balance index is greater than a preset index threshold, if yes, inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value; after guiding the wire drawing control process to reach a preset time based on the flow compensation value, judging again whether the dynamic balance index is greater than the preset index threshold; if yes, inputting the real-time temperature into a preset temperature compensation equation to obtain a temperature compensation value, and guiding the wire drawing control process based on the temperature compensation value, the application has the advantages of reasonable planning of priority order of control indicators and improved wire drawing control efficiency.

This invention discloses a biocontrol spore cultivation device and its usage method for controlling Japanese pine scale, belonging to the field of pine scale control technology. The device includes an inoculation unit and several cultivation units. The inoculation unit includes a frame with a chain conveyor inside. Multiple positioning support plates are evenly spaced on the chain conveyor. A pre-compression mechanism and an inoculation mechanism are located directly above the chain conveyor on the frame, both spanning the chain conveyor. Several cultivation units are located at the outlet of the inoculation unit. This invention achieves automatic inoculation of biocontrol spores, improving inoculation efficiency and enabling precise control of the inoculation amount, thus improving the uniformity and consistency of biocontrol spore concentration. Next, the inoculated bottles are transferred to multiple cultivation units for static cultivation to improve the viability and yield of biocontrol spores, meeting the needs of large-scale production.

This invention belongs to the field of traditional Chinese medicine technology, specifically relating to the application of a formula for nourishing vital energy and strengthening the body in reducing the toxicity of adjuvant chemotherapy after radical resection of non-small cell lung cancer. This invention discloses a formula for nourishing vital energy and strengthening the body, characterized in that it is composed of the following components by weight: 15-30 parts raw Astragalus membranaceus, 9-21 parts prepared Rehmannia glutinosa, 15-30 parts stir-fried Dioscorea opposita, 9-15 parts Atractylodes macrocephala, 9-15 parts Poria cocos, 15-30 parts raw Coix lacryma-jobi, 9-15 parts Ophiopogon japonicus, 9-15 parts Asparagus cochinchinensis, 15-30 parts Adenophora stricta, 9-15 parts Ligustrum lucidum, 9-15 parts Eclipta prostrata, 9-15 parts stir-fried germinated barley, 9-15 parts stir-fried malt, and 3-6 parts prepared Glycyrrhiza uralensis. This invention can restore vital energy, reverse postoperative weakness, build a foundation for chemotherapy tolerance to reduce toxic side effects, improve chemotherapy tolerance, reduce the risk of interruption to ensure efficacy, improve quality of life during chemotherapy, and help prolong postoperative survival.

This invention discloses a method for controlling the main steam temperature of an ultra-supercritical unit. An extraction valve is added to the extraction steam pipeline of the high-pressure heater to achieve precise extraction steam throttling adjustment. Thermodynamic parameters of the boiler and turbine systems are collected and cleaned. The feedwater heating insufficiency and reheat steam flow rate changes corresponding to the unit extraction steam throttling flow rate under different high-pressure heater extraction steam throttling schemes are calculated. Furthermore, the heat absorption changes of the economizer and part of the superheater heating surfaces after the reheater are calculated. Finally, the predicted value of the main steam temperature change corresponding to the unit extraction steam throttling flow rate under different high-pressure heater extraction steam throttling schemes is obtained. Based on the real-time deviation of the main steam temperature, the high-pressure heater extraction steam throttling scheme and the required extraction steam throttling flow rate are selected. By adjusting the extraction steam throttling flow rate of each high-pressure heater, more precise control of the main steam temperature is achieved, alleviating the problem of main steam overheating that easily occurs during rapid load increases. This is of great significance for improving the operational flexibility of ultra-supercritical units.

The application discloses a mud generator torque control method and system, and belongs to the technical field of well drilling engineering. The method comprises the following steps: performing phase identification on three-phase alternating current output by a mud generator through a digital processor, generating a PWM driving signal based on phase information, controlling the conduction and shutdown of a power switch tube connected with a generator winding, adjusting the current of a generator stator winding, and completing the control of the output torque of the generator. The application performs phase identification on three-phase alternating current through a digital processor and generates a PWM driving signal, realizes accurate control of the output torque of the generator, directly adjusts the current of the stator winding, and avoids the heat dissipation and space problems caused by the traditional resistance dissipation mode.

The application relates to the technical field of tunnel construction, in particular to a classification and grading reinforcement method for a tunnel portal, which comprises the following steps: step S1, acquiring field investigation data, and establishing a tunnel portal section topography and geology parameter model according to the field investigation data; step S2, grading tunnel portal deformation characteristics; step S3, grading tunnel portal deformation control levels; step S4, selecting a tunnel portal deformation treatment scheme according to the grading; step S5, combining different construction methods to formulate multiple alternative treatment schemes; and step S6, determining an optimal scheme based on multi-target optimization. The application has the advantages of strong applicability, high fine degree, high reliability, quantitative analysis and an engineering guiding significance of a comprehensive evaluation system.

The present application relates to the technical field of chemical industry, in particular to a kind of pressurized chemical reaction kettle, including kettle body, pressurizing control machine part being arranged in the side of kettle body, and the control end being installed in kettle body and being connected with pressurizing control machine part;The pressurizing control machine part includes equipment machine frame, gas supply cylinder being arranged on equipment machine frame, gas supply pipeline being arranged on gas supply cylinder, the gas supply pipeline branch is main pressurizing pipeline and adjusting pipeline, the main pressurizing pipeline and adjusting pipeline are respectively connected with control end;The main pressurizing pipeline is provided with pressurizing cylinder, and the speed regulating machine part for adjusting pressurizing cylinder, the adjusting pipeline is provided with fine adjustment machine cylinder, and the fine adjustment assembly for controlling the adjusting amount of fine adjustment machine cylinder is arranged.The present application is convenient to control the rate of pressure change in reaction kettle, guarantees the control effect of pressurizing, improves the control precision of increasing adjustment.

The liquid pesticide discharge mechanism belongs to agricultural machinery; the mechanism comprises a power driving and quantitative adjusting system composed of a motor, a motor shaft, a crank, an adjusting block and a driving rod, a quantitative liquid feeding and discharging system composed of a liquid storage cylinder, a liquid feeding check valve and a piston rod, and a liquid pesticide discharge opening and closing system composed of a transmission box, a driving plate, a rack, a gear shaft, an arc-shaped belt slot connecting rod, a connecting rod, a push-pull plate, a push-pull rod, a cross slot plate, a hanging seat, a liquid discharging cylinder, a rotating shaft, a sleeve, a semi-circular opening and closing left and right leaf plate; the mechanism has a unique, reasonable and compact structure, high precision in discharge amount control, simple and convenient operation, wide application range, strong adaptability and good versatility.

This utility model relates to the technical field of return material devices, specifically an ear-type intelligent detection and real-time control mechanism for return materials. It includes a return material pipe with a detection component connected to it. One end of the return material pipe is inclined downwards and has a return material outlet, with the return material conveyor positioned below the outlet. This ear-type intelligent detection and real-time control mechanism, through the detection component, can control the start and stop of the return material conveyor. When no material is being returned, the conveyor remains stopped, preventing idling and saving energy. It also prevents unprocessed returned material from clogging the return material outlet.

The present application relates to the technical field of motor anti-shake, and particularly relates to a vehicle motor anti-shake control method and system, a vehicle and electronic equipment, comprising: acquiring motor speed and demand torque in real time, and calculating time sequence indexes and frequency domain indexes of the motor speed; combining the collected motor speed, demand torque, time sequence indexes and frequency domain indexes into a state vector; inputting the state vector into a pre-trained neural network model, and outputting a compensation torque; superimposing the compensation torque and the demand torque to generate a total torque and transmit the total torque to a motor controller to perform torque control; wherein the training process of the neural network model comprises building an offline simulation environment, offline training a reinforcement learning model and online fine-tuning the model. The present application can realize motor anti-shake function, reduce calibration difficulty and cost, reduce loss, can be online fine-tuned and adapted to a real vehicle, and ensure control effect.

The application relates to the field of fluid pressure control, in particular to a pneumatic actuator flow self-adaptive regulation control method and system. The method comprises the following steps: constructing a health sample; fitting a relationship curve between total air inlet flow of the health sample and corresponding displacement setting value, self-adaptively dividing a plurality of displacement setting value intervals, and assigning a clustering label to each interval; clustering and obtaining a plurality of clustering clusters and corresponding cluster centers; matching a clustering label interval of a real-time running sample according to a displacement setting value of the real-time running sample, and calculating a flow leakage index; dynamically calculating a self-adaptive convergence threshold value according to the flow leakage index, and constructing a performance index model fusing action execution time length and displacement deviation to generate a corresponding performance index; and performing control parameter iterative optimization taking the performance index as an evaluation standard. The application has the effect of self-adaptively regulating flow control parameters according to the actual flow leakage degree of the pneumatic actuator.

This liquid pesticide precise quantitative adjustable dispensing unit belongs to agricultural machinery. It comprises: a power drive and quantitative adjustment mechanism consisting of a motor, motor shaft, crank, adjusting block, and drive connecting rod; a quantitative inlet and outlet mechanism consisting of a storage cylinder, inlet check valve, and piston rod; and a pesticide dispensing opening and closing mechanism consisting of a drive plate, active rod, grooved connecting rods A, B, and C, push-pull rod, cross groove plate, hanging base, rotating shaft, sleeve, semi-circular opening and closing left leaf plate, semi-circular opening and closing right leaf plate, and dispensing cylinder. This unit features a unique, reasonable, and compact structure, high adjustment precision, simple and convenient operation, wide applicability, strong adaptability, and good versatility.

The application discloses a kind of real fly luring and killing agents.The real fly luring and killing agent is composed of the following components by mass percentage: 75-85% of apple snail meat hydrolysate, 3-7% of pest toxic components, 5-15% of auxiliary materials and 2-5% of stabilizers.The apple snail meat hydrolysate is a mixture of apple snail meat after protease hydrolysis and enzyme inactivation, and the pest toxic components are Metarhizium or Beauveria.The luring and killing agent uses the protein hydrolysate of invasive species apple snail meat as the main raw material to prepare food lure, and then adds a small amount of Metarhizium / Beauveria to prepare the luring and killing agent.The synergistic effect of food lure and Metarhizium / Beauveria significantly improves the luring and killing effect on real flies.The new real fly luring and killing agent has the characteristics of high efficiency and green environmental protection.

This application provides a transistor and a method for fabricating the same. The method for fabricating the transistor includes: removing a portion of a semiconductor layer to form a fin structure; forming a first gate insulating layer on the surface of the fin structure; processing the first gate insulating layer to transform it into a second gate insulating layer, wherein the dielectric constant of the second gate insulating layer is higher than that of the first gate insulating layer; and forming a third gate insulating layer on the side of the second gate insulating layer near the fin structure.

This application relates to a polymer scintillation fiber drawing furnace, a drawing method, and a polymer scintillation fiber, belonging to the field of fiber optic fabrication technology. The polymer scintillation fiber drawing furnace of this application includes a furnace body and an infrared heating unit. The furnace body has a heating cavity inside, with an inlet and an outlet at each end communicating with the heating cavity. This allows a polymer scintillation fiber preform to be inserted through the inlet and the polymer scintillation fiber to be drawn out through the outlet. The infrared heating unit is located around the periphery of the heating cavity, enabling heating of a predetermined range of the polymer scintillation fiber preform from different peripheral positions. This reduces the decomposition of fluorescent dyes in the scintillation fiber, ensuring the sensitivity of the scintillation fiber in detecting high-energy radiation. This application also discloses a polymer scintillation fiber drawing method and a polymer scintillation fiber.

The invention provides an anti-drifting pesticide application method capable of keeping a deposition distribution effect, which comprises the following steps: mixing a pesticide, a dynamic crosslinking compound thickener, a fiber forming auxiliary agent, a buffer stabilizer, a dissolving auxiliary agent, an anti-freezing component and a solvent to prepare a semitransparent homogeneous colloidal spinnable liquid medicine; the spinnable liquid medicine is sprayed to target crops through centrifugal spinning equipment, and the rotating speed of a centrifugal spray head is controlled, so that the spinnable liquid medicine is sprayed out in a continuous filamentous form. The problems that in the prior art, when pesticide is sprayed, the utilization rate is low, the deposition effect is poor, and drifting resistance and uniform deposition distribution are difficult to consider at the same time due to droplet drifting can be solved, pesticide drifting is remarkably reduced, the crop adhesion rate is increased, the pesticide dosage is reduced, meanwhile, the pesticide activity is kept, and the pesticide application cost and the environment risk are reduced.

The invention relates to the technical field of communication, in particular to an unmanned aerial vehicle group formation control method and system, computer equipment and a storage medium. The formation control method of the unmanned aerial vehicle group comprises the following steps: calling a target tether tension observer to determine target tether tension of unmanned aerial vehicles; wherein the target tether tension observer is obtained by correcting an initial tension observer through estimated tether tension and actual tether tension obtained through actual measurement, and a tension error between the actual tether tension and the estimated tether tension is smaller than a preset tension error; acquiring event triggering symbols of the unmanned aerial vehicles, and if the event triggering symbols meet a preset event triggering mechanism, triggering communication between the unmanned aerial vehicles; and triggering a formation controller and the target tether tension according to a pre-configured event to control each unmanned aerial vehicle to perform formation flight. The formation control method of the unmanned aerial vehicle group is more stable, lower in energy consumption and smaller in system calculation amount.

The present application relates to a kind of based on multi-element information fusion plug-in hybrid electric vehicle energy management method, comprising: obtaining adaptive fuzzy reasoning system model, vehicle speed sequence prediction model and SOC reference trajectory estimator;Real-time calculation current time transmission ratio, future finite time domain within the vehicle speed prediction sequence and future finite time domain within the SOC final value, based on Pontryagin minimum principle within the finite time domain rolling optimization, obtain the reference covariant variable within the time domain;If there is solution in rolling optimization, then use reference covariant variable in subsequent control domain to carry out open-loop Pontryagin minimum optimization, obtain corresponding control set, if there is no solution in rolling optimization, then execute SOC follow strategy.Compared with prior art, the present application will transmission ratio selection and torque distribution be jointly included in the category of energy management, and multi-element driving information is fused, and double-layer strategy of rolling optimization and SOC follow is proposed, which effectively improves the effect of plug-in hybrid electric vehicle energy management strategy.

The invention relates to the technical field of station water leakage prevention, and discloses a water-rich stratum subway station water leakage prevention device which comprises an operation box, a positioning round block is rotationally installed on the bottom side in the operation box, a positioning gear is fixedly installed at the bottom of the positioning round block, and positioning shafts are symmetrically installed on the lower end face of the positioning gear. The positioning shaft is provided with a positioning cylinder through a positioning part, a control cylinder is fixedly mounted at the bottom of the positioning cylinder, a control cavity is formed in the control cylinder in the axis direction in a communicating manner, a plurality of cutting grooves are formed in the side wall of the control cavity in the axis direction, a sealing ring communicating with the control cavity is mounted at the bottom of the control cylinder, and a deslagging mechanism is further arranged in the control cylinder; a drainage pulp inlet mechanism is arranged at the upper end of the control cylinder; the device further comprises a deep mechanism. The invention further discloses a control method. According to the method, water in the water leakage position is effectively discharged, meanwhile, slurry in the water leakage position is effectively blocked, the prevention and treatment effect of the water leakage position of the subway station is greatly ensured, and practicability is high.

A multi-agent system intermittent predetermined time tracking control method based on event triggering comprises the following steps: step S1, constructing an undirected topological graph and a Laplacian matrix of a multi-agent system in combination with graph theory knowledge and an actual system; s2, determining a dynamic model of the multi-agent system; s3, designing an intermittent event to trigger a predefined time state observer, and enabling a follower agent which cannot directly obtain the leader information to estimate the leader information; and S4, designing an intermittent pre-defined time fuzzy controller and a virtual speed so as to realize a tracking control target in pre-defined time. Based on the predefined time control strategy, the problems that the convergence time of finite time control is limited by the initial state of the system and the upper limit of the convergence time of fixed time control is influenced by the parameters of the controller are solved, and the method can adapt to more working conditions while the system performance is ensured.

The application relates to an unbalanced vibration suppression method based on a novel multi-frequency resonance controller. First, a deflection dynamics model of a magnetic suspension rotor containing mass dynamic unbalance and sensor error is established, and then a novel multi-frequency resonance controller is designed, the control current of the deflection channel is taken as an input signal of the controller, the gain at the resonance frequency is adjusted along with the change of the rotating speed, the convergence speed of the algorithm is improved, different phase compensation factors are set in different rotating speed ranges, the stability of the system in the whole rotating speed range is guaranteed, the effect of suppressing harmonic disturbance current and vibration torque is achieved, and the attitude angular rate measurement precision is improved. The application belongs to the field of magnetic suspension rotor control and can be used for suppressing unbalanced vibration caused by mass dynamic unbalance and sensor error in a magnetic suspension rotor system.