29 results about "Throttle control" patented technology

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.

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.

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.

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.

This invention provides a robotic throttle control system for controlling the throttle power setting value of a fishing vessel. The control system includes a control unit with a processor unit for instructing the control unit to: set the throttle to a specific throttle power setting value; and maintain the throttle at that power setting value for a specified duration. The user interface of the control unit includes a dual-mode switch that transmits information to the processor unit in two ways: the rotational position of the dual-mode switch; and the axial position of the dual-mode switch.

The present application relates to the technical field of oil and gas exploitation, and particularly relates to a kind of ultra-deep production string leakage detection system and method.The technical scheme is: through production string pressure detection unit and annulus pressure detection unit, real-time pressure data is obtained, and through first electric throttle control valve and second electric throttle control valve, the pressure of string side and annulus side is adjusted, so that wellbore forms controllable differential pressure condition under the premise of meeting safety conditions;The downhole detection sub is connected by armored cable and lowered into the production string, moves in the direction of well depth for continuous detection or fixed-point detection, and the multi-band signals detected are gathered through data transmission sub and then uploaded to the ground control and analysis system to complete the processing of detection data analysis and leakage result output.The present application improves the accuracy, stability and engineering applicability of leakage type, leakage location and leakage intensity discrimination, and provides technical support for ultra-deep gas well production string leakage diagnosis, workover decision and wellbore integrity management.

This invention provides a hydraulically controlled lift valve and hydraulic system with throttling control function. The hydraulically controlled lift valve includes a first connection port, a second connection port, an unloading valve, a main control valve, and a logic valve. When the main control valve is in the neutral position, the first connection port is connected to the unloading valve through the main control valve, and the second connection port is locked. When the main control valve is in the lifting position, the first connection port is connected to the second connection port, and the unloading valve is closed. When the main control valve is in the lowering position, the unloading valve can be opened. The valve core of the main control valve has a fixed throttling orifice and a variable throttling groove. This hydraulically controlled lift valve enables the load device to perform holding, lifting, and lowering actions; the main control valve can achieve throttling control, which can improve the valve's micro-control performance and ensure the safety of the machine; the unloading valve can be piloted by the main control valve to reduce pressure loss; the logic valve can be piloted by the main control valve, ensuring reliable operation.

The present disclosure relates to an apparatus for enabling a smartphone into a remote controller for a radio-controlled instrument. The apparatus comprises a fixing support assembly, a steering assembly, and a throttle assembly. The fixing support assembly is configured for rigidly clamping a smartphone. The steering assembly is set over the fixing support assembly and configured for maneuvering a first capacitive tip over screen surface of the smartphone for providing steering control over the radio-controlled instrument. The throttle assembly is set over the fixing support assembly and configured for maneuvering a second capacitive tip over the screen surface for providing throttle control over the instrument. The steering assembly and the throttle assembly are configured to transmit capacitive effect of fingers of the user to the screen of the smartphone in order to remotely control the radio-controller instrument.

This application relates to a throttle control method, a vehicle, and a storage medium. The method includes: acquiring throttle jamming determination parameters; and sending a shutdown request to a power controller when the jamming determination parameters exceed a preset parameter threshold and the duration exceeds a preset time. The power controller responds to the shutdown request by controlling the engine to shut down, and after the engine shuts down, it performs a throttle repair action. By performing the throttle repair action while the engine is shut down, the repair drive action is decoupled from the engine's real-time operating conditions, eliminating the conflict between the repair drive action and the engine's torque demand at the source, avoiding safety hazards caused by torque mismatch, effectively relieving temporary throttle jamming and quickly restoring normal control, significantly improving the overall vehicle driving experience and ride smoothness.

This invention relates to the field of two-wheeled vehicle technology, specifically to a miniature van-type two-wheeled vehicle, including a single-pedal accelerator and brake control device and a low-speed wheel lowering mechanism. The single-pedal accelerator and brake control device has a control pedal divided into a sensing zone and a non-sensing zone. When the driver's right foot presses the non-sensing zone, the pedal applies pressure, causing the accelerator and brake sleeves to rotate synchronously, achieving braking operation. When the driver's right foot presses the sensing zone, the accelerator sleeve rotates independently, achieving throttle control. The low-speed wheel lowering mechanism employs a block clutch, utilizing a mechanical structure to reliably lower the auxiliary wheels at low speeds and reliably retract them at high speeds, ensuring the driving safety of the van-type two-wheeled vehicle.

An electromechanically actuatable pressure medium control valve. The control valve includes a valve housing, an armature, a pole core, a valve casing with a control cross-section, and a closing element controlling a pressure medium flow through the control cross-section. The pressure medium control valve allows for a different throttling of a pressure medium flow between a first valve opening and a second valve opening according to the flow direction of the pressure medium flow through the pressure medium valve.

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.

This invention relates to the field of oil manifold technology, and more specifically to a throttling and kill manifold with sand control function; it includes a manifold platform, which is connected to a tail-end manifold platform via pipes. Both the manifold platform and the tail-end manifold platform are equipped with gate valves for throttling control. The upper end of the manifold platform is connected to an upper control panel via multiple branch pipes. By controlling the sand separator on the upper control panel, the medium in the branched pipes is filtered for sand. A gate valve is installed on the side of the manifold platform, which divides the pipes inside the manifold platform into two areas. The beneficial effect of this invention is to solve the problem that newly extracted and transported oil often carries a large amount of sand and gravel from the excavation process, and that some of this sand and gravel needs to be partially removed during transportation.

This invention discloses an automatic throttle speed control method and system for aircraft based on dynamic inverse, belonging to the field of design technology. The method includes: multiplying the difference between the ground speed command and the ground speed feedback by an acceleration gain proportional term to obtain the desired ground speed acceleration increment; solving for the ground speed acceleration increment using climb angle, angle of attack, sideslip angle, axial overload, lateral overload, and normal overload; multiplying the difference between the desired ground speed acceleration increment and the ground speed acceleration increment by a state function related to the aircraft's mass to obtain the desired thrust acceleration increment; obtaining the engine thrust efficiency matrix by taking the partial derivative of the engine thrust with respect to the throttle opening; multiplying the calculated desired thrust acceleration increment by the inverse of the thrust efficiency matrix, and then adding the throttle state variable from the previous cycle to obtain the final throttle control command. The automatic throttle control law of this invention is derived from pure equations of motion, with clear physical meaning. The control law structure does not contain integrators, feedforward compensation, or other terms, reducing the "trial and error" work of gain preset while achieving consistent control performance. It exhibits high robustness and has broad engineering application prospects.

This invention relates to a configuration of an electronic throttle unit for a vehicle. The vehicle has at least a frame unit and a power unit mounted on the frame unit. The frame unit has a steering mechanism, a steering handle, and a throttle control operating part. The throttle control operating part is connected to the electronic throttle unit via a throttle cable, and the electronic throttle unit is electrically connected to a throttle body located above the power unit via a signal line. The frame unit has a head tube, and a connecting plate mechanism has an upper connecting plate and a lower connecting plate at its front end. The frame unit has a seat cushion facing the rear of the vehicle body, and a storage box is located below the seat cushion. The rear end of the upper connecting plate facing the rear of the vehicle body, the rear end of the storage box facing the front of the vehicle body, and the upper end of the seat cushion facing the lower part of the vehicle body define an installation area, in which the electronic throttle unit is located. This increases the space available for other components within the steering mechanism, ensures a smooth throttle cable path and avoids interference with other wiring, and prevents the throttle cable from becoming kinked, which could lead to inaccurate acceleration.

The utility model discloses an airplane throttle control device relates to airplane throttle control technical field. This airplane throttle control device, including throttle controller body and adjusting mechanism, the top of throttle controller body is provided with two groups of hollow guide rail, adjusting mechanism sets up in the top of throttle controller body, and adjusting mechanism includes square movable rod, limit hole, hollow block and positioning plug rod, and the inner wall of two groups of hollow guide rail is connected with the outer wall of a group of square movable rod sliding respectively, and the side of two groups of square movable rod all is provided with multiple limit hole, and the side fixed mounting of hollow guide rail has hollow block, and the side of hollow block is provided with positioning plug rod. Can adjust the extension length of square movable rod in a certain range, and the handle is adjusted to the best holding position of pilot, so that the pilot of different height or arm span can comfortably control the device, is favorable to long -time flight driving, and the operation is simple and easy to operate, and the availability and practicality of the device are improved.

A cross-start bleed air regulation system and method are disclosed for regulating bleed air pressure during cross-starting of an engine to be started using bleed air supplied by a gas-supplying engine. The system includes: a starter branch that branches off from the environmental control line connecting the gas-supplying engine and the engine to be started, and connects to the starter of the engine to be started; a pressure sensor located in the starter branch for detecting the actual pipe pressure of the bleed air flowing into the starter from the gas-supplying engine; a starter control unit that receives the actual pipe pressure detected by the pressure sensor and generates a control command based on a comparison between the actual pipe pressure and a target pipe pressure; and a throttle control unit that receives the control command from the starter control unit and drives the throttle lever of the gas-supplying engine to move based on the control command. This enables fully automated and precise control of the aircraft engine cross-starting process.

This invention provides a control method for unmanned aerial vehicles that can rapidly ascend an aircraft loaded with heavy payloads and maintain stable attitude control. [Solution] The present invention relates to a control method for an unmanned aerial vehicle (UAV) equipped with multiple propellers driven by an engine, wherein the pitch angle (θ) of each propeller can be set individually. During throttle control of the aircraft, the rotational speed of each propeller is increased or decreased by increasing or decreasing the opening of the throttle valve of the engine, thereby increasing or decreasing the rotational speed of the engine. During attitude control of the aircraft, the pitch angle (θ) of each propeller for obtaining lift is set to be large when the engine rotational speed is low and small when the engine rotational speed is high.

This invention relates to the field of refrigerant flow control technology, and in particular to an electronic expansion valve throttling mechanism and an electronic expansion valve. The electronic expansion valve throttling mechanism includes a valve needle and a valve seat. The valve needle is mounted on the valve seat and has a moving path along the valve seat axis. The valve needle includes a first valve needle segment and a second valve needle segment from top to bottom, with the interface between the first and second valve needle segments forming a first cross-section. The valve seat includes a first valve seat segment and a second valve seat segment, with the interface between the first and second valve seat segments forming a second cross-section. The top of the first valve seat segment forms a first end face, and the bottom of the second valve seat segment forms a second end face. The first end face is provided with a first throttling outlet, and the second end face is provided with a second throttling outlet. A refrigerant inlet hole is provided on the side of the second valve seat segment. The present invention provides a single electronic expansion valve that can achieve throttling control of both large and small flow rates, and it has a simple structure, high modularity, and low cost.

Provided is an unmanned aircraft control method capable of causing an airframe loaded with a heavy load to rapidly ascend, and performing stable attitude control.　This unmanned aircraft control method controls a vertical takeoff and landing unmanned aircraft that is provided with a plurality of propellers driven by an engine and in which the pitch angle (θ) of each propeller can be individually set. During airframe throttle control, the opening degree of a throttle valve of the engine is increased or decreased, and the rotational speed of the engine is increased or decreased, thereby increasing or decreasing the rotational speed of each propeller. During airframe attitude control, the pitch angle (θ) of each propeller for obtaining lift is set to be large when the rotational speed of the engine is low, and is set to be small when the rotational speed of the engine is high.

This invention discloses a throttle control device, relating to the technical field of throttle control devices for aero-engine testing. It includes a base, a worktable mounted on top of the base, a manual pulse generator mounted on one side of the top of the worktable, an operating component located on the top of the worktable next to the manual pulse generator, a PLC located on the top of the worktable between the operating components, and a simulator component mounted on the top of the worktable next to the operating components. In this aero-engine testing throttle control device, the correspondence between the zero position and travel of the control lever and the zero position and travel of the shift lever is calibrated by the PLC, greatly simplifying the adjustment of the shift lever's zero position and travel compared to previous methods, significantly saving debugging time, improving work efficiency, and allowing adjustment of the dynamometer power via the manual pulse generator to simulate engine operation under different loads, increasing the accuracy of power regulation.

The utility model discloses a two -way control's electronic throttle pedal belongs to electronic throttle control technical field, including base, the top of base is provided with the dust cover, is provided with the support seat on the dust cover, is fixedly connected with the front control pedal on the support seat, is connected with the rear control pedal at the bottom of front control pedal, is connected with the spring seat at the bottom of base, is provided with four groups of transmission rods on the base, and two two sets of transmission rods are set up at the bottom of support seat, still is provided with the outer spring at the bottom of transmission rod, the both sides of top on base are all fixedly connected with the rotary seat, the utility model discloses, has realized two -way control (front and rear step), has improved throttle control's flexibility and accuracy, damping mechanism and double -spring design have reduced the vibration and the risk of jamming significantly, have strengthened the driving comfort and system reliability, the dust cover protects internal components, prolongs the life, and the whole structure is compact, is applicable to various automobile electronic throttle system.

This utility model discloses a portable brush cutter worn on a sling, belonging to the field of garden machinery technology. The portable brush cutter includes a working pole with a gasoline engine, cutting components, a handle, and a shoulder strap. One end of the handle has a control handle, and the other end has a secondary handle. The control handle has an on / off switch, a locking button, a safety switch, and a throttle control switch. During operation, the shoulder strap is fastened, and the shoulder strap is worn diagonally over the operator's shoulder and back, transferring the weight of the brush cutter from the arm to the shoulder and waist, reducing the load on the arm muscles and achieving a scientific weight distribution. The shoulder strap allows the entire brush cutter to be suspended, not only making it suitable for various terrains and increasing the flexibility of brush cutting, but also absorbing 40% of the swing energy of the entire brush cutter, greatly reducing the operator's workload and significantly improving brush cutting efficiency.

An automatic throttle control method and system for controlling aircraft takeoff / go-around are disclosed. The automatic throttle control method includes: when the aircraft's automatic throttle is pre-positioned, detecting the aircraft's engine speed in response to the activation of the aircraft's vertical flight guidance go-around mode; and engaging the aircraft's automatic throttle when the detected engine speed is greater than a first speed threshold. The automatic throttle control method further includes: when the aircraft is on the ground and the aircraft's main wheel contact time is greater than or equal to a first main wheel contact time threshold, detecting the aircraft's throttle lever movement rate in response to the activation of the aircraft's vertical flight guidance go-around mode; and engaging the aircraft's automatic throttle when the detected positive throttle lever movement rate duration is greater than a first positive throttle lever movement rate duration threshold or when the detected throttle lever movement rate is greater than a first throttle lever rate threshold.

The present invention relates to a vehicle, and more particularly to an electric vehicle comprising an electric powertrain and at least one, preferably electric, energy storage unit. The vehicle has a one-pedal driving system with at least one vehicle throttle control for controlling throttle output and at least a portion of the vehicle's braking force. It also has at least one braking system that provides braking force to the vehicle. The braking force is at least partially based on a braking force request signal. The braking force request signal is determined based on the integral value of at least one measured variable of the vehicle throttle control. The present invention further relates to a single-throttle driving method for a vehicle, and a regenerative braking system for minimizing energy consumption to extend range, or minimizing tire wear, or brake wear, or minimizing particle emissions from tires, or particle emissions from brakes, or any combination thereof.

The application is suitable for the technical field of simulation flight equipment, and provides a throttle device and a flight simulator. The throttle device comprises a throttle base, a throttle control rod and a stroke limiting piece. The stroke limiting piece is detachably connected to the throttle base. According to the type and flight mode, the corresponding stroke limiting piece can be installed on the throttle base. The stroke limiting piece has a limiting groove. When the control rod main body of the throttle control rod rotates to a preset angle, the limiting part on the throttle control rod will be in contact with the groove wall of the limiting groove, so that the throttle control rod cannot be continuously pushed or pulled, and the requirements of the control stroke of different types and driving modes are met.

The application discloses a closed hydraulic system of a quick forging press and a control method, and belongs to the technical field of hydraulic control of quick forging presses. The hydraulic system comprises a main cylinder, a return cylinder, a movable beam, a hydraulic pump set and an accumulator set. The hydraulic pump set is a closed variable pump set. The closed hydraulic system further comprises a proportional cartridge valve and a check valve. A closed hydraulic circuit is formed among the closed variable pump set, the main cylinder, the return cylinder and the accumulator set. The proportional cartridge valve is arranged on the oil circuit of the main cylinder and is used for controlling pressure relief of the main cylinder. The check valve is connected with the accumulator set and the oil suction port of the closed variable pump set and is used for supplementing oil for the closed variable pump set during pressing. The closed variable pump set controls the flow and direction of hydraulic oil by adjusting the size and direction of the swash plate swing angle, drives the quick forging press to complete the pressing, pressure relief and return actions, and has no throttling loss in the whole system action. The application discloses a closed variable pump volume speed regulation method which discards the valve port throttling control and has no throttling loss in the whole process, and the comprehensive energy saving rate reaches 40%-50%.

The utility model discloses a handicapped person's car driving control auxiliary device belongs to the technical field of car auxiliary equipment. The device includes installation base, connecting rod, handle, throttle control mechanism and brake control mechanism. The connecting rod is installed on the installation base, and the side surface is installed with the side plate, and the upper end of the side plate is semicircular structure and is equipped with arc limiting plate in the upper part, and both form arc groove. One end of handle is rotatably installed on one side of the side plate, and the other side of the side plate rotatably installs the linkage rod, and the hook-shaped limiting mechanism of one end of the linkage rod is located on one side of the arc groove, and the other end is articulated with the throttle control mechanism. The brake control mechanism is articulated in the middle of handle, and the side surface of handle has the limiting post mechanism that cooperates with the hook-shaped limiting mechanism, and the upper part of arc limiting plate is equipped with the limiting tooth, and handle has the clamping post mechanism that cooperates with the limiting tooth. The device is reasonable in structure, easy and safe to operate, and is strong in adaptability, and can effectively help the handicapped person to drive the car.

This invention proposes a road roller motor control assembly system and a road roller control method. The road roller motor control assembly system includes an electronic control unit (ECU), and further includes one or more of an engine control system, a travel control system, and a vibration control system. The engine control system, travel control system, and vibration control system are all connected to the ECU. The ECU is used to regulate the engine control system, travel control system, and vibration control system, thereby achieving engine status management, travel / parking status management, and vibration status management. The engine control unit, located on the road roller's engine, is responsible for engine status, start / stop, and throttle control functions, thus eliminating the need for a dedicated road roller controller. Engine control, travel function control, and vibration function control are all integrated into the ECU, saving road roller layout space, reducing the use of connectors and wires, and improving reliability.