289 results about "Throttle control" patented technology

The invention discloses a hydraulic system throttling control method based on a hydraulic control one-way valve, which relates to the technical field of throttling control, and comprises the following steps of: in an initialization stage of starting a hydraulic system, setting an optimal initial throttling opening for a throttling valve based on flow data of current oil; the method comprises the following steps: performing high-frequency real-time acquisition on flow state data of oil through a sensor deployed at the upstream of a throttling area, and establishing a set of flow state data system based on a time sequence; continuously collected flow state data are divided according to time windows, and an analysis set of oil flow data is constructed. According to the method, the dynamic flowing state of oil is monitored and deeply analyzed in real time, the load state is intelligently predicted in combination with a support vector machine model, and the opening degree of the throttling valve is adjusted in real time; the problems that in the prior art, response of a throttling control strategy to a high-load working condition is delayed, and oil temperature rise and viscosity abnormal reduction are caused by serious local pressure loss of a throttling area are effectively solved.

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.

The embodiment of the invention provides a breather valve with a damper. The breather valve aims at solving the problem that a valve disc is frequently opened and closed under the conditions of a long ventilation pipeline and wide ventilation flow. The breather valve comprises a pressure valve and a vacuum valve, a pressure valve disc is controlled to move through a damper, quick opening and slow closing are achieved, impact between the valve disc and a valve seat is reduced, and the spark risk is reduced. The damper controls the valve disc to move through the damping hole in a throttling mode and has the characteristic of different damping forces in different directions. Vulcanized rubber is arranged on the lower surface of the valve disc to prolong the service life of the sealing face, and the valve seat is made of aluminum bronze to prevent sparks. Under abnormal conditions, the pressure valve disc can be forcibly opened through the pull ring to supplement or release pressure. The filter screen cover is made of stainless steel, and the air suction port outer cover is detachable so as to facilitate maintenance. The overall design improves the safety and durability of the breather valve.

The invention discloses an active-disturbance-rejection control method for an air mutual-control system based on laser perception, and the method specifically comprises the steps: building a kinetic model and a kinematic model of a four-rotor unmanned plane, and taking a mechanical arm as the external disturbance of the unmanned plane; point cloud data around a flying mechanical arm are collected, through accurate segmentation and registration processing, graph optimization is conducted through the processed point cloud data, and therefore the position of the quadrotor unmanned aerial vehicle is accurately positioned; generating a torque instruction for controlling a motion axis of the quadrotor unmanned aerial vehicle according to the position of the quadrotor unmanned aerial vehicle through an integral type active disturbance rejection attitude control strategy improved by PID position control series connection; and according to the lift force and the torque instruction of the four-rotor unmanned aerial vehicle, calculating a throttle control signal corresponding to a propeller to complete control of the four-rotor unmanned aerial vehicle. Pose information is accurately transmitted through a graph optimization framework, the stability and operation precision of the system are remarkably improved in combination with an improved integral type active disturbance rejection control technology, and it is ensured that accurate control and stable maintenance of the unmanned aerial vehicle are achieved in a complex environment.

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.

The processor-based system includes a throttle request accumulate circuit to receive throttle requests, determine a highest or most aggressive throttle value among the throttle requests, and generate a throttle control signal configured to throttle activity in the plurality of processing circuits. Throttle requests have throttle values corresponding to a reduction in activity in at least a portion of the plurality of processing circuits and may correspond to a particular number of cycles of reduced activity in a window of cycles. In addition to reducing response time to local events or conditions compared to waiting for a hierarchical response, the throttle request accumulate circuit accumulates throttle requests from all circuits that adjust or throttle activity in the plurality of processing circuits, and ensures that the net effective throttle controlling activity in the processing circuits at any given time is based on the highest throttle value of those accumulated throttle requests.

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 fuel oil adjusting device and method for fuel oil supply of multiple combustion chambers of an aero-engine and application, and belongs to the technical field of fuel oil supply and adjusting control of the aero-engine, the device comprises a single fuel oil power source and a plurality of fuel oil adjusting sources arranged in parallel, and each fuel oil adjusting source independently controls fuel oil supply of the corresponding combustion chamber. A fuel adjusting source of the main combustion chamber adopts a structure that an equal-pressure-difference valve and a metering valve are connected in parallel, and the pressure difference between the two ends of the metering valve is kept constant in a bypass feedback adjusting mode; a fuel oil adjusting source of a non-main combustion chamber is of a structure that a fixed differential pressure reducing valve is connected with a metering valve in series, and the inlet pressure of the metering valve is kept constant in a throttling control mode. Each fuel oil adjusting source is provided with a parking electromagnetic valve, and independent or cooperative fuel cut-off of each combustion chamber can be achieved. According to the single-pump-source multi-path metering output fuel oil adjusting structure, oil supply control over multiple combustion chambers is achieved, the weight and the size of a system are reduced, and the reliability and the safety of an aero-engine are guaranteed.

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 present invention is related to a vehicle, in particular an electric vehicle comprising an electric powertrain, the vehicle comprising at least one energy storage unit, for storing energy for driving at least a part of the vehicle, at least one vehicle throttle control, for controlling a throttle power demand and at least a portion of a braking power demand, at least one braking system, the at least one braking system comprising a friction braking system and a regenerative braking system, configured for providing the braking power demand to the vehicle, at least one control unit, directly or indirectly communicatively connected to the at least one braking system, wherein the at least one control unit is configured for allocating, in particular dynamically allocating, at least a portion of the braking power demand. The present invention is further related to a method for brake blending in particular for a vehicle according to the invention.

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 present invention relates to an oil-gas switching device for a dual-fuel marine engine. The oil-gas switching device comprises an oil-gas switch module and a switching module. The switching module is placed at the throttle control lever / plate of the ship. When the ship accelerates suddenly, the throttle control lever / plate moves quickly, so that the air pressure in the enclosed space increases, and the gas moves into the telescopic part, so that the telescopic part extends, and the telescopic part drives the knob to rotate to the fuel mode. After the gas in the enclosed space overflows the enclosed space through the air hole, the return spring drives the telescopic part to shorten, so that the knob switches to the gas mode. The present invention adds a mechanical mechanism at the throttle control lever / plate of the ship, and can control the oil-gas switching switch to switch between the fuel mode and the gas mode quickly and accurately according to the moving speed of the throttle control lever / plate, without the intervention of a large number of sensors, which not only saves costs, but also improves the speed of oil-gas switching response.

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.

1. The name of this design product: throttle control assembly. 2. Purpose of the product of this design: a throttle control assembly installed on a motorcycle to control the vehicle speed. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

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.