244 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.

A system including a engine having a low spool and a high spool, a first hybrid electric motor connected to the low spool and a second hybrid electric motor connected to the high spool. An auto-throttle controls an amount of power provided to the engine responsive to at least one aircraft parameter. A power splitting algorithm implemented between the auto-throttle and at least one of the first and second hybrid electric motors determines a power split dividing the total engine power into the power produced by burning fuel and electrical power provided to the at least one of the first and second hybrid electric motors responsive to control signals from the auto-throttle.

An electric bicycle wireless control system comprises a main control assembly and an auxiliary control assembly, and the main control assembly and the auxiliary control assembly conduct signal transmission in a wireless mode. The motor is directly or indirectly connected with the main control central control module, and the main control battery is used for supplying power to the main control assembly; the auxiliary control assembly comprises an auxiliary central control module, an accelerator control module and an auxiliary battery module. The accelerator control module and the auxiliary central control module are connected with the auxiliary battery module and used for supplying power to the auxiliary control assembly. The motor, the main battery and the main controller are integrated on the rear portion of the vehicle to serve as a main control assembly, other assemblies are integrated on the front portion of the vehicle to serve as an auxiliary control assembly, and the main control assembly and the auxiliary control assembly conduct signal transmission in a wireless mode, so that the control structure is simplified, and the cable use amount is reduced; after optimization, data communication is carried out through wireless modes such as Bluetooth, the integration level is improved, and assembly and maintenance are convenient and fast.

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.

A wireless bypass control device applied to a full-hydraulic loader comprises a wireless camera, a wireless receiving display screen, a storage battery A, an electromagnetic valve, a wireless remote control mechanism, a wireless receiving mechanism and an accelerator control mechanism. Inlets of the plurality of electromagnetic valves are connected with oil inlets and oil outlets of a steering hydraulic motor, a driving hydraulic motor, a lifting oil cylinder and a bucket oil cylinder of the loader; two oil inlets and oil return ports of the plurality of electromagnetic valves are respectively connected with an oil outlet pipe and an oil return pipe of a hydraulic oil pump of the loader in parallel; the accelerator control mechanism comprises an electric push rod and a connecting block, a magnet is mounted at the lower end of the connecting block, a supporting seat is mounted at the upper end of the accelerator pedal, and the electric push rod is rotationally mounted outside the supporting seat; the wireless receiving display screen, the storage battery A and the wireless remote control mechanism are arranged in the element box; the wireless camera is installed on the front outer side of a cab, and the wireless receiving mechanism is installed in the cab. The working mode of the loader can be wirelessly controlled, convenience is brought to workers, the working intensity is reduced, and application is more flexible.

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.

Proposed is a hydraulic circuit (1) which has an inflow connection (2) and an outflow connection (3), is configured to throttle a flow of hydraulic fluid from the inflow connection (2) to the outflow connection (3), and has a movable control element (9) by means of which a main throttle cross-section (4) through which a flow can pass can be opened up between the inflow connection (2) and the outflow connection (3), and which control element is at least partly floatingly mounted between the inflow connection (2) and a control chamber (5), wherein a bypass line (6) for hydraulic fluid exists from the inflow connection (2) to the outflow connection (3), to which bypass line the control chamber (5) is connected and in which bypass line a throttle element having a specified pressure-volume flow characteristic curve (7) and a throttle controller (8) operatively coupled to the movable control element (9) are arranged in series and are configured such that, when a pressure difference between the inflow connection (2) and the outflow connection (3) increases, said throttle element and throttle controller adapt a bypass flow through the bypass line (6), a pressure in the control chamber (5), a position of the control element (9), and / or the size of the main throttle cross-section (4), such that the movable control element (9) assumes a new equilibrium position and the main throttle cross-section (4) through which a flow can pass is adapted in accordance with the pressure difference.

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 utility model discloses a game rocker which comprises an operating handle, a holder and an accelerator base, an accelerator assembly is arranged in the accelerator base, the upper end of the holder is connected with the operating handle, the lower end of the holder is connected with the accelerator assembly, and the operating handle is pressed forward or backward or leftward or rightward by a hand, so that the accelerator assembly is connected with the accelerator assembly. The control handle can rotate forwards, backwards, leftwards and rightwards relative to the accelerator base, after the pressing force on the control handle is relieved, the control handle can be automatically centered and reset, and the control handle is integrally pushed forwards or pulled backwards through an arm to drive the accelerator assembly to conduct accelerator acceleration or accelerator deceleration operation. According to the utility model, the cradle head is arranged in the control handle, so that a spacecraft in a game can be slightly and accurately controlled to move up and down and left and right by using a hand and a front arm under the condition that the throttle control is kept unchanged.

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 the technical field of flight control, and discloses a control method for a transition process of a tilt-body vertical take-off and landing aircraft, and the method comprises the following steps: S1, building a transition corridor model used for calculating a full flight profile of the tilt-body vertical take-off and landing aircraft; and S2, carrying out full-speed-domain and full-angle-of-attack simulation calculation on the aircraft by adopting a CFD (Computational Fluid Dynamics) method to obtain high-fidelity aerodynamic parameters. The control method for the transition process of the vertical take-off and landing aircraft with the tilting airframe has the advantages of being flexible in control method, stable in safe state and the like, and solves the problem that in the prior art, the precision of an optimization calculation result is difficult to guarantee, and the control effect is reduced if the robustness of the aircraft is excessively enhanced. The problems that in the transition process of an airplane, generally, attitude and accelerator control are seriously coupled, the control method is not flexible, coordinated control over an accelerator and an angle cannot be achieved, and it is difficult to guarantee that the airplane is always in a safe state, namely in a flight envelope are solved.

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 utility model discloses a cable throttle control system of a motorcycle, which belongs to a throttle body cylinder body control device in the technical field of motorcycle equipment, and adopts the technical scheme that the cable throttle control system comprises a throttle body; the stay wire rotary table is rotationally arranged on one side of the throttle valve body and used for controlling opening and closing of the throttle valve body; the accelerator control handle is connected with the rotating end of the stay wire turntable through a first stay wire; the stay wire rotary table control assembly is arranged at the position of the stay wire rotary table, and the stay wire rotary table control assembly controls rotation of the stay wire rotary table through a second stay wire; the utility model provides a motorcycle stay wire accelerator control system which can quickly complete the automatic downshift oil recharging action of a motorcycle with a stay wire throttle valve system under the condition that an electronic throttle valve system is not used. And meanwhile, under the condition that operation of a driver is not needed, the automobile can automatically keep running at a certain speed, and the auxiliary effect on driving is achieved.

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.