170 results about "Throttle control" patented technology

The invention relates to the technical field of hydrogen energy aviation, and discloses a hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage, and the hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage are characterized in that the hydrogen release amount adjusting range of a hydrogen storage material is matched with the hydrogen fuel demand adjusting range of a power device by adjusting the hydrogen release catalytic reaction environment temperature of the solid hydrogen storage material; by adopting the pressure stabilizing device, the problem of flow and pressure fluctuation caused by hysteresis of hydrogen release adjustment is solved, and hydrogen release flow adjustment and engine throttling control can be carried out through the thrust rod.

The invention discloses a multi-valve cooperative control system and method for a choke manifold control box, and the method comprises the steps: collecting process parameters and valve state parameters in real time through a data collection module, calculating the required total throttling pressure drop or total flow through a data analysis module based on the target bottom hole pressure or target flow set by an operator in combination with real-time data, and calculating the total throttling pressure drop or total flow according to the calculated total throttling pressure drop or total flow; the valve role distribution module distributes valve roles according to a preset rule, the instruction generation module distributes total demands to all valves according to a proportion to generate a target opening instruction set, the instruction verification module verifies instruction safety through a safety interlocking matrix, and the valve driving module executes the instruction passing verification. The feedback optimization module calculates the correction based on the actual parameter deviation and performs iterative optimization; the problems of insufficient precision, low response speed and poor safety in multi-valve cooperative control are solved, the precision and reliability of throttling control are improved, valve abrasion is reduced, and the system anti-jamming capability and fault emergency response efficiency during sudden change of working conditions are enhanced.

The invention discloses a single-feedback closed-loop proportional throttle valve of an integrated amplifier, and relates to the technical field of throttle valve production. An integrated amplifier single-feedback closed-loop proportional throttle valve comprises a main valve, a pilot proportional valve, a displacement sensor and an amplifier, and single-feedback closed-loop control over displacement of a main valve element is formed through a built-in oil way and electric signal feedback. On the basis that a main valve and a pilot proportional valve adopt a threaded plug-in integrated design, an integrated amplifier and a displacement sensor are taken as cores, a single-feedback closed-loop control loop is constructed, a slide valve structure of the pilot proportional valve is matched with precise electromagnetic control, the movement flexibility and clamping stagnation resistance of a valve element are remarkably improved, and the service life of the pilot proportional valve is prolonged. The technical problems that a traditional double-feedback proportional throttle valve is complex in structure and prone to clamping stagnation are effectively solved, accurate proportional throttle control under the high-pressure large-flow working condition is achieved, and the double-feedback proportional throttle valve has the remarkable advantages of being compact in structure, fast in response, high in anti-pollution capacity and high in reliability.

A fuel delivery arrangement for a generator can include a throttle-mixing assembly including a mixer body defining a main port extending between an air inlet end and a mixed air-fuel outlet end and defining a fuel inlet port extending into the main port, a Venturi structure located within the main port and being configured to mix fuel received from the fuel inlet port with air received from the air inlet end and to deliver an air-fuel mixture to the air-fuel outlet, a fuel control valve assembly, mounted to the mixer body, including a first valve and a first actuator arranged to control a flow of the fuel passing through the fuel inlet port, and a throttle control valve assembly, mounted to the mixer body, including a second valve and a second actuator arranged to control a flow of the air-fuel mixture passing through the main port.

The invention relates to the technical field of PID control, in particular to an intelligent solar saving control method and device based on PID. The method comprises the following steps that a welding current-target flow velocity relation model is loaded, and PID parameters are initialized; then welding current is collected in real time, and the corresponding target flow velocity is calculated; comparing the target flow velocity with the actual flow velocity to obtain an error signal, and generating a control output quantity through PID control; then the control quantity is converted into an opening adjusting signal of the electric control proportional valve, and dynamic adjustment of the flow rate of the protective gas is achieved; and finally, current input, target generation, error calculation and valve regulation are executed circularly, and real-time closed-loop gas saving control in the welding process is achieved. Fine real-time intelligent control over the protective gas is achieved through welding working condition recognition, target flow velocity modeling and PID closed-loop self-adaptive regulation and control, the welding stability and the welding seam quality are improved, gas consumption is remarkably reduced, and the responsiveness and reliability of device operation are improved.

The invention belongs to the technical field of ship navigation control, and particularly relates to a low-energy-consumption intelligent sliding control method for a ship. The method comprises the following steps: recording a minimum sliding starting power value of a ship in a sliding state according to a navigation attitude of the ship; the method automatically runs after the ship is started, and throttle control of the ship is recognized; the accelerator control comprises a minimum starting slip accelerator point corresponding to the minimum starting slip power value, and if the accelerator control is larger than the minimum starting slip accelerator point, the ship power is controlled to be the minimum starting slip power value, and meanwhile the accelerator control is limited; and the sliding monitoring module monitors whether the ship reaches a sliding state or not, if the ship reaches the sliding state, the power output limitation is relieved, and at the moment, the accelerator limitation is relieved. According to the method, the optimal sliding starting power point of the ship is found through system self-learning, the ship is controlled at the optimal sliding starting power point to reach the ship sliding state, the energy needed for controlling the ship to slide is greatly reduced, and the ship sliding state can be achieved with low energy consumption.

The application provides a torque control method, device, equipment and medium of a natural gas engine, and the method comprises the following steps: determining a target control mode required by a current natural gas engine, and acquiring a target parameter corresponding to the target control mode; inputting the target parameter into a preset throttle opening formula to obtain a target throttle opening; and controlling the torque of the natural gas engine according to the target throttle opening; wherein the throttle opening formula is obtained by combining a throttle equation used for throttle control and a speed density method equation. The throttle opening formula is obtained by combining the throttle equation used for throttle control and the speed density method equation according to the characteristics of the natural gas engine. For different target control modes, the throttle opening formula adopts different target parameters to calculate the throttle opening, so that the torque corresponding to the throttle opening can adapt to the target control mode, thereby improving the controllability of the natural gas engine.

The invention discloses a self-balancing bicycle software control method and system capable of achieving zero sample migration. The method comprises the steps that bicycle body posture information of a self-balancing bicycle and a motion instruction from the outside are obtained in real time; the trained self-balancing neural controller receives vehicle body attitude information, a motion instruction, a current steering motor position fed back by a control layer and a vehicle body linear speed, forward reasoning calculation is carried out once, and a neural network directly outputs two control variables including a target steering angle instruction and a driving accelerator instruction; generating a steering control signal based on the target steering angle instruction according to a servo motor communication protocol, wherein the steering control signal is used for driving a steering servo motor to accurately rotate to a target angle; based on the accelerator driving instruction, the accelerator driving instruction is converted into an accelerator control command for the hub brushless motor, and the accelerator control command adjusts the forward speed of the vehicle. The technical problems of simulation-reality gaps, poor robustness and low development efficiency of existing self-balancing bicycle control are solved.

The application discloses an engine flow control method and device, electronic equipment and storage medium. The method determines an engine flow control mode. The flow control mode includes a first throttle control mode, a second throttle control mode, a third throttle control mode, a first supercharger control mode and a second supercharger control mode. Only the throttle is controlled in the first throttle control mode, the second throttle control mode and the third throttle control mode. The front pressure of the throttle in each throttle control mode is different. The throttle and the supercharger are simultaneously controlled in the first supercharger control mode and the second supercharger control mode. The opening degree of the exhaust valve of the supercharger in each supercharger control mode is different. The flow of the engine is controlled according to the flow control mode of the engine, so that the engine operates according to the priority of the torque demand, the air demand, the throttle demand and the supercharger demand, and a better performance index is achieved.

The utility model discloses a kind of engineering machinery speed limiting alarm device, the device includes speed acquisition unit, for collecting the running speed of engineering machinery;Communication module, for receiving the speed signal transmitted by speed acquisition unit;Engine control unit, according to the speed signal received by communication module controls engine speed, realizes speed limiting function;Throttle control executor, according to the instruction of engine control unit adjusts throttle oil supply, to prevent engineering machinery overspeed.The technical scheme of the utility model can effectively solve the overspeed driving safety problem in the working process of engineering machinery in the prior art, especially the safety control problem in railway construction maintenance operation.

A kit of parts for converting a regular bicycle into an e-bike. The kit includes (i) an electric motive power unit having an external freewheeling sprocket drive assembly configured for demountable engagement with the bike's chain, (ii) a rechargeable battery and battery mount for providing electric power to the electric motive power unit, (iii) a mount bracket for demountably engaging therein the electric motive power unit and for demountably engaging there onto the battery mount, (iv) a power cable with an on / off switch and a demountable handlebar clamp for communication with the electric motive power unit, (v) a throttle control assembly configured for demountable engagement with the bike's handlebar; and (vi) a communication cable engagement with the throttle control assembly and the electric motive power unit and optionally, with a wheel sensor. The kit may additionally comprise a battery charger.

The invention relates to a compression condensing unit capable of meeting various requirements and a control method thereof. The compression condensing unit comprises a compressor, a condenser, a first expansion valve and a second expansion valve. The first expansion valve and the second expansion valve are connected in parallel to form a throttling assembly. An outlet of the throttling assembly is connected with an inlet of the evaporator arranged in the use space, and an inlet of the throttling assembly is connected with an outlet of the condenser; an exhaust port of the compressor is connected with an inlet of the condenser after passing through the oil separator, and an air suction port of the compressor is connected with an outlet of the evaporator after passing through the gas-liquid separator. Accurate control can be carried out through control methods such as the throttling control module and the compressor control module, the function of different high and low temperature outlet air temperatures or outlet water temperatures of the compression condensing unit is achieved, and the requirements for different target temperatures of use space are met structurally and systematically.

This invention relates to the field of intelligent commerce technology, and more particularly to an electromagnetic linkage-based vehicle cruise control system based on adaptive fuzzy control. The system includes: a control switch for receiving input commands from the driver, including commands to activate / deactivate cruise control, accelerate / decelerate, cancel, and resume cruise control; a central controller connected to both a vehicle speed sensor and the control switch, the central controller incorporating an adaptive fuzzy control algorithm to generate throttle control commands based on the deviation between the current vehicle speed and a set speed; a servo actuator electrically connected to the central controller; and a motor that receives commands from the central controller to drive a synchronous belt. This invention achieves automatic and precise throttle adjustment and stable cruise control in motor vehicles, solving the problems of driver fatigue and poor driving comfort caused by the need for continuous manual throttle control during long-distance driving.

Provided is a vehicle control device and a control method for a vehicle that enables automatic driving control of a vehicle using a vehicle control device for driving assistance. The vehicle control device has a deceleration / acceleration request correction unit (32) that corrects a target deceleration / acceleration of a vehicle (10) included in a first deceleration / acceleration request received from a driving assistance control device (2) for assisting driving of a driver of the vehicle (10) via a communication unit (21) in accordance with a deceleration / acceleration requested for the vehicle (10) in automatic driving control of the vehicle (10), and outputs a second deceleration / acceleration request including the corrected target deceleration / acceleration to a throttle control device (3) via the communication unit (21).

The application discloses an intelligent agent reinforcement learning method for controlling vehicle driving, and aims at training a control intelligent agent for vehicle driving in the field of unmanned driving. The intelligent agent receives image data, radar data, motion data and the like observed in the process of vehicle driving as state input in real time, calculates a steering wheel turning angle, a throttle control strength and a brake control strength as action output, and obtains corresponding reward value feedback according to the motion condition of the vehicle, and the training target is to realize smooth driving of the vehicle under the premise of ensuring driving safety, to maximize the normal speed, and to avoid collision with other vehicles or objects. Driving speed, driving process loss, steering wheel turning angle / throttle / brake operation fitting degree and the like will affect the reward feedback, and the intelligent agent needs to find a suitable strategy to maximize the driving score. The application further discloses a corresponding intelligent agent reinforcement learning device for controlling vehicle driving.

Gas lift technologies can produce more oil from longer laterals. By placing gas injection in the lateral well, deep gas lift improves oil production and maintains pressure in the lateral to reduce or prevent sand production and degradation of the lateral well.

The invention discloses a throttle valve control method and device, a readable storage medium and electronic equipment. Comprising the steps that under the condition that the current working condition of a target vehicle meets the throttle valve control condition, the current first opening degree of a throttle valve of the target vehicle is obtained; if the absolute difference value between the current first opening degree and the target opening degree does not conform to the first safety range, the motor duty ratio of the throttle valve is controlled to be increased to the target duty ratio; the current second opening degree of the throttle valve is obtained; and if the absolute difference value between the current second opening degree and the target opening degree does not conform to the second safety range, it is determined that the throttle valve breaks down, and code reporting processing is carried out. Through the technical scheme provided by the invention, the difference condition between the target opening degree and the actual opening degree of the throttle valve can be actively identified, the difference between the target opening degree and the actual opening degree is preferentially reduced by controlling the duty ratio of the throttle valve motor, and code reporting processing is performed when the difference cannot be smoothly reduced, so that the fault code reporting probability of the throttle valve is reduced as much as possible.

The invention relates to the technical field of garbage trucks, in particular to an automatic feeding control system and method for garbage disposal environmental sanitation equipment, and the system comprises a red pressure interference blocking module, a load response screening module, an action through-flow reconstruction module, a tail section buffer adjustment module and an action chain closing verification module. According to the method, by constructing the ratio relation between thermal fluctuation and the pressure increasing rate, the abnormal state of the lifting preparation stage is dynamically recognized, abnormal actions are stopped, load distribution is judged in combination with static pressure characteristics and displacement speed changes, unbalance paths are screened in advance, and the execution process is intervened; an oil return path is adjusted based on real-time matching of the pressure amplitude and the through-flow proportion, an impact area is recognized and throttling control is optimized in combination with the retraction speed and the inertia difference value, a stable action chain is constructed by means of a sequential logic closed loop, the lifting response stability and the unloading buffering flexibility are enhanced, and the action execution continuity and overall coordination are improved.

The invention discloses a modularized plug-in mounting type load port independent control electro-hydraulic valve, and belongs to a hydraulic multi-way valve for engineering machinery. The electro-hydraulic valve comprises an oil inlet path, an oil return path, a working oil port and four independent control modules. Each control module can be selectively configured to be a throttling control module, a flow control module or a pressure control module, and each control module comprises a main valve structure. The flow control module is additionally provided with a flow sensor and a flow control unit on the basis of the throttling control module, and the pressure control module is provided with a pilot pressure valve. The invention further provides a pilot throttle valve flow closed-loop control method, a main valve flow closed-loop control method and a valve element displacement closed-loop control method, signals are detected through a flow sensor or a displacement sensor, the signals are processed through a corresponding controller, a proportional electromagnet is driven to adjust a valve port, and precise control is achieved. The system has the advantages of high modularization degree, good control precision, high response speed and the like, and is particularly suitable for hydraulic control systems of engineering machinery, injection molding machines and other equipment.

The invention relates to a water chilling unit, a throttling control method of the water chilling unit and a computer readable storage medium, and the throttling control method comprises the steps that the adjusting direction of a throttling valve is determined; according to the adjusting direction, the opening degree of the throttling valve is controlled to adjust the first step length, and operation is conducted for the first duration; acquiring at least one parameter reflecting the heat exchange efficiency of the evaporator before and after the opening degree of the throttle valve is adjusted by the first step length, and judging whether the heat exchange efficiency of the evaporator is reduced or not; if not, the step of controlling the opening degree of the throttling valve to adjust the first step length is executed again, and the step of operating the first duration is executed again; if yes, determining a change inflection point of the heat exchange efficiency of the evaporator according to at least one parameter; and the inflection point opening degree of the throttling valve at the changing inflection point is obtained, and the throttling valve is controlled to be adjusted to the inflection point opening degree. According to the throttling control method, the inflection point with the optimal heat exchange efficiency is dynamically positioned based on the end temperature difference parameters collected in real time, and it is ensured that the heat exchange efficiency of the evaporator is always in the optimal interval.

The invention discloses a crawling control method and system of an AMT transmission, and belongs to the technical field of automatic transmission control. The problem that under the low-speed creeping working condition of a commercial vehicle, due to sensitive accelerator control, the vehicle moves or is insufficient in power is solved. According to the method, a crawling request mark is comprehensively judged and output based on a vehicle state signal; secondly, according to different running states, including a plurality of sub-states of clutch separation, clutch locking, starting and gear shifting, of the AMT, preset activation conditions for jumping to the crawling state are set respectively, and the crawling state is activated when any activation condition is met; and finally, after the crawling state is activated, a transmission control unit (TCU) controls a clutch, an engine, an intermediate shaft brake and other components to execute corresponding operation in a coordinated mode. According to the scheme, stable and automatic low-speed crawling of the AMT vehicle is achieved without fine accelerator operation of a driver, and driving safety and operation convenience are improved.

The application discloses an integrated-amplifier single-feedback closed-loop proportional throttle valve and relates to the technical field of throttle valve production.The integrated-amplifier single-feedback closed-loop proportional throttle valve comprises a main valve, a pilot proportional valve, a displacement sensor and an amplifier, and a single-feedback closed-loop control of the displacement of a main valve core is formed through built-in oil paths and electrical signal feedback.Based on the integrated design of the threaded plug-in type of the main valve and the pilot proportional valve, the integrated amplifier and the displacement sensor are taken as cores to construct a single-feedback closed-loop control loop, the slide valve structure of the pilot proportional valve is matched with accurate electromagnetic control, the flexibility and the anti-sticking ability of the valve core movement are obviously improved, the technical difficulties of the complex structure and the easy sticking of the traditional double-feedback proportional throttle valve are effectively solved, accurate proportional throttle control under the high-pressure large-flow working condition is realized, and the integrated-amplifier single-feedback closed-loop proportional throttle valve has the obvious advantages of compact structure, fast response, strong anti-pollution ability and high reliability.

Systems, devices, and methods described herein relate to delivery of therapeutic agents. Such systems and devices can include needle-based delivery systems, in which a throttling assembly is configured to control a rate or needle insertion and / or a rate of drug extrusion.

The invention relates to the technical field of trial repair operation control, in particular to a throttle control method and device based on trial repair operation annular return displacement and a computer program product. The throttle control method comprises the steps that the trial repair operation annular return pressure range is determined based on wellbore pressure, formation pore pressure and formation fracture pressure; and the opening degree of the throttling valve is adjusted according to the annulus return pressure range, after the opening degree of the throttling valve is adjusted, the annulus return displacement of the trial repair operation is monitored based on the return pressure compensation flow and the inlet flow of the MPD throttling manifold, and the opening degree of the throttling valve continues to be controlled and adjusted. According to the method, the opening degree of the throttle valve is adjusted according to the annulus return pressure range of the test and repair operation, the annulus return displacement of the test and repair operation is monitored based on the return pressure compensation flow and the inlet flow of the MPD throttle manifold after the opening degree of the throttle valve is adjusted, the opening degree of the throttle valve is continuously controlled and adjusted, and therefore precise control over the throttle pressure is improved, the control range of the opening degree of the throttle valve is enlarged, and the test efficiency is improved. The control difficulty is reduced, and the opening degree control range of the throttle valve of the MPD throttle manifold device is widened.

A robotic throttle-control system for controlling a throttle-power setting of a throttle of a fishing vessel is provided. The control unit has a processor unit that instructs the control unit of the throttle-power setting at which to set the throttle and a time span for maintaining the throttle at the throttle-power setting. A user interface of the control unit has a dual-mode switch that communicates to the processor unit through both a rotational position of the dual-mode switch and an axial position of the dual-mode switch.

A throttle control method for a mobile device include collecting input data, generating a first set of user experience indices according to the input data, and checking whether a user experience index of the first set of user experience indices satisfies a UEI threshold. The input data includes common information data, current configuration data and a plurality of throttle control parameters. Each user experience index of the first set of user experience indices is corresponding to at least one of throttle control parameter of the plurality of throttle control parameters.

An adjustable cruise control system on a vehicle includes a predictive cruise control (PCC) system optimized for energy efficiency and a driver-customized adaptive cruise control (DCACC) system optimized for a driver's driving preferences. The PCC system and DCACC system each generate control outputs, such as throttle control outputs. A cruise control weighting factor is used to weight the PCC control output(s) and the DCACC control output(s), thereby controlling the extent to which energy efficiency is emphasized versus driver preferences. The cruise control weighting factor may be provided to the vehicle computer before the cruise control system is engaged and / or may be changed while the cruise control system is active. The adjustable cruise control system may dynamically change the weighting factor in response to determining that a current driving scenario corresponds to a predetermined driving scenario.

The invention relates to a device (10) for filling a container. The device (10) has a filling valve (12) for discharging a filling substance into the container. The device (10) also has a throttle (18) for adjusting the flow rate of the filling substance. The throttle (18) has a valve part (20) for adjusting the flow cross section. The throttle (18) has a pneumatic actuator (28) which is operatively connected to the valve part (20) for moving the valve part (20), and an electric actuator (30) which is operatively connected to the valve part (20) for moving the valve part (20). Advantageously, the device (10) can combine the advantages of a pneumatic throttle control with the advantages of an electric throttle control.

The invention provides an air-ground autonomous landing control method for a fixed-wing unmanned aerial vehicle facing a movable base platform. The air-ground autonomous landing control method comprises the following steps: firstly, establishing a kinetic model of the fixed-wing unmanned aerial vehicle and a relative motion model of the unmanned aerial vehicle and a movable base; secondly, considering the influence of the ground effect, the wake flow of the movable base and the movement of the movable base on the landing precision, and respectively introducing disturbance models; then designing a trajectory control law based on a nonlinear L1 control law, and controlling the unmanned aerial vehicle to slide down to a target point along an optimal trajectory by generating a trajectory acceleration instruction in real time; designing a hierarchical attitude control method based on incremental nonlinear dynamic inverse, designing an angular velocity control law for an outer ring attitude angle by adopting a nonlinear dynamic inverse control method, and obtaining an angular acceleration control law for an inner ring angular velocity by adopting an incremental nonlinear dynamic inverse method; and finally, incremental power compensation accelerator control is designed, speed error feedback is introduced, and dynamic adjustment of a thrust instruction is achieved. The problem of strong coupling interference in the landing process of the unmanned aerial vehicle on the dynamic base platform is solved.