20 results about "Throttle position sensor" patented technology

This invention relates to an electronic gear shifting device for electric motorcycles, comprising an electronic shifting unit, an electronic clutch unit, and a throttle position sensor. Based on the rider's operation, the device outputs a shift signal, a clutch signal, and a throttle opening signal. A vehicle controller receives these signals and determines a target gear for the electric motorcycle. The vehicle controller then looks up a motor torque command based on the target gear and outputs the command to a motor controller. The motor controller then controls a power motor of the electric motorcycle, enabling the electric motorcycle to simulate the power performance of a conventional geared motorcycle without the need for a physical clutch or gearbox.

The invention discloses a regional optimization method, device and system for universal characteristics of a diesel engine, and the method comprises the following steps: obtaining an SCR inlet temperature collected by an SCR inlet temperature sensor, and determining a working mode of an engine according to the SCR inlet temperature; the engine rotating speed collected by an engine rotating speed sensor and the fuel injection quantity collected by an accelerator position sensor are obtained; according to the engine rotating speed and the fuel injection quantity, determining a corresponding universal characteristic working condition subarea in the working mode; and according to the engine rotating speed and the fuel injection quantity, a query table corresponding to the universal characteristic working condition subareas is searched for to determine control parameters of a fuel injector, an EGR valve and a TVA valve, and according to the control parameters of the fuel injector, the EGR valve, the TVA valve and a fuel injection pump, control instructions of the fuel injector, the EGR valve, the TVA valve and the fuel injection pump are generated. The DOE test is carried out on the engine through the engine pedestal, universal characteristic working condition subareas under different working modes are determined, and it is ensured that the engine can be optimally operated according to comprehensive performance under different working conditions.

The utility model discloses a durability test bench for a throttle position sensor, which comprises an equipment table, a working table and a positioning assembly, a first lifting rod is mounted on the upper end face of the equipment table, the working table is mounted at the top end of the first lifting rod, a pressing assembly is mounted on the rear wall of the working table, and the positioning assembly is mounted on the upper end face of the equipment table. An auxiliary clamping assembly is installed on the upper portion of the right end of the workbench, and a positioning assembly used in cooperation with the pressing assembly is installed on the upper portion of the left end of the workbench. The problems that in the prior art, in the using process of an experiment table, a throttle valve body needs to be placed on a positioning seat, subsequent fixing can be facilitated, the size of a boss, used for being matched with limiting of the lower portion of the throttle valve body, on the positioning seat is fixed, the size of the throttle valve body has multiple specifications, and the size of the throttle valve body is not changed are solved. Therefore, different positioning seats need to be replaced according to the size of the throttle valve body, and the test bench is not convenient to use.

The utility model relates to the technical field of reciprocating piston type internal combustion engines, in particular to a device for matching speed regulation of a mechanical driver controller and an electric control diesel engine, which comprises a speed regulation driving gear, a servo transmission gear, an oil feeding control module and a speed regulation arm. And the speed regulation driving gear is arranged on a rotating shaft of the driver controller. And the servo transmission gear is meshed with the speed regulation driving gear. The oil feeding control module comprises an accelerator, an accelerator position sensor and a speed regulation module, the accelerator position sensor is in electric signal connection with the accelerator and the speed regulation module, and the speed regulation module is in communication connection with the electronic control unit. The speed regulating arm is installed on the servo transmission gear and is in sliding fit with an accelerator of the oil feeding control module. On the premise that the operation habit of a driver is not changed, operation of an original driver controller is effectively transmitted to the oil feeding control module and then transmitted to an electronic control unit (ECU) of the electronic control diesel engine, and the improvement cost is reduced.

Recreational vehicle two-stroke engine control systems configured for location-based modification of an engine calibration may include a locator device, a throttle position sensor, and an engine speed sensor communicatively coupled to an engine control unit. The engine control unit controls a position of an exhaust valve based on a first calibration map and an input from the sensors. The engine control unit also determines, based on a location of the vehicle, a second calibration map. The engine control unit controls a position of an exhaust valve based on a second calibration map and an input from the sensors. Controlling the two-stroke engine to operate the exhaust valve at the second exhaust valve position may improve the engine run-quality, performance, efficiency, or the like.

The utility model discloses an electric control device, belongs to the technical field of explosion-proof electronic injection diesel engine protection systems, and particularly relates to an electric control device for a mining explosion-proof electronic injection diesel engine protection system. The water temperature sensor, the rotating speed sensor, the oil injection electromagnetic valve, the air inlet temperature and pressure sensor, the flow control valve, the pressure sensor and the accelerator position sensor are connected with the main machine. The electric control device is a control unit of the mining explosion-proof type electric injection diesel engine, the electric control device provides the optimal working state for the electric injection diesel engine, the transportation efficiency of the electric injection diesel engine using the electric control device is greatly improved, the nitrogen and oxygen emission index of the diesel engine is improved, and the service life of the diesel engine is prolonged.

The invention discloses an automobile fault remote diagnosis method and system, and particularly relates to the technical field of automobile fault remote diagnosis, an output voltage signal of a throttle position sensor is obtained through a vehicle-mounted diagnosis system, and tiny voltage drift or fluctuation caused by a resistive film at the initial stage of abrasion is effectively identified through time-frequency domain analysis, so that the fault diagnosis accuracy is improved. By calculating the joint entropy fluctuation coefficient and the signal time sequence similar abnormal coefficient, the health condition of the throttle valve sensor is evaluated more comprehensively, the accuracy of hidden gradual change fault diagnosis is improved, and by constructing a hidden gradual change fault evaluation model and outputting an evaluation index, the fault diagnosis accuracy is improved. The method can carry out effective quantitative evaluation on the hidden gradual change fault at the initial wear stage of the resistive film, and can dynamically monitor the evolution trend of the fault and timely carry out early warning by carrying out clustering analysis on the hidden gradual change fault degrees at different time points, thereby avoiding the traditional detection hysteresis based on fault code triggering, and improving the detection accuracy. And a more efficient and sensitive fault identification and prevention means is provided.

This invention relates to the field of electronic fuel injection engine control technology, specifically to a self-calibration method, system, device, program product, and medium for measuring engine throttle opening. The method includes: acquiring position signal values ​​of two throttle valves and the output of a servo motor; calibrating the throttle valve position based on the position signal values ​​and the servo motor output; and controlling the position of the two throttle valves based on the calibrated throttle valve position values. This invention, through signal redundancy processing, effectively eliminates measurement errors caused by throttle valve position sensor drift and malfunction, ensuring safe and reliable flight of unmanned aerial vehicles (UAVs).

A method for managing temperature of a piston of an engine of a vehicle, the method comprises determining, by a throttle position sensor connected to a controller, a throttle position of a throttle valve of the engine, determining, by an engine speed sensor connected to the controller, an engine speed (RPM) of the engine, and determining, by the controller, an estimated piston temperature based on at least the throttle position and the engine speed.

The utility model discloses a sealing structure of a miniature non-contact throttle position sensor, which comprises a shell and a sealing cover, an opening is arranged above the shell, a gear ring is convexly arranged on the inner side of the shell below the opening, the sealing cover is hermetically mounted in the opening of the shell, a movable gear is rotatably mounted on the inner side of the sealing cover through a movable bearing, and the movable gear is meshed with the movable bearing. A mounting base is arranged below the movable gear, the movable gear and the mounting base coaxially rotate, a plurality of sets of rectangular movable grooves are formed in the bottom of the mounting base in an annular array mode, a movable ejector block is movably arranged in each set of rectangular movable grooves in the radius direction, and a limiting base is fixedly arranged at the position, below the mounting base, of the inner side of the sealing cover; limiting grooves are formed in the limiting base and correspond to the movable ejector blocks in an annular array mode, the inner ends of the movable ejector blocks move in the limiting grooves in a limited mode, and the gear ring is in meshing transmission with the movable gear. The utility model has the advantages that the miniature non-contact throttle position sensor can be tightly connected and sealed, the service life is long, and the installation is more convenient.

The present invention discloses a functional safety monitoring method, system and vehicle for engine intake volume based on the redundancy principle, specifically comprising: collecting intake volume, boost pressure and post-throttle intake pressure, setting a primary charging model and a secondary charging model and performing calculations, outputting the primary charging volume and the secondary charging volume; comparing the primary charging volume and the secondary charging volume, and deciding and outputting a corresponding safety monitoring strategy. Based on the functional safety redundancy principle, the present invention utilizes three different sensors and calculates intake volume using two independent methods. First, the parameters of the air flow sensor are collected for intake volume calculation, and then the parameters of the throttle position sensor, the boost pressure sensor and the post-throttle intake pressure sensor are collected for intake volume calculation. By comparing these two redundant intake volume values, the purpose of functional safety monitoring of the engine intake volume is achieved.

Recreational vehicle two-stroke engine control systems configured for location-based modification of an engine calibration may include a locator device, a throttle position sensor, and an engine speed sensor communicatively coupled to an engine control unit. The engine control unit controls a position of an exhaust valve based on a first calibration map and an input from the sensors. The engine control unit also determines, based on a location of the vehicle, a second calibration map. The engine control unit controls a position of an exhaust valve based on a second calibration map and an input from the sensors. Controlling the two-stroke engine to operate the exhaust valve at the second exhaust valve position may improve the engine run-quality, performance, efficiency, or the like.

The application discloses a motor load reduction control system for an electric vehicle, which comprises a throttle position sensor, a vehicle controller, a motor controller and a motor. The throttle position sensor generates a throttle signal. The vehicle controller is connected to the throttle position sensor and comprises an analog / digital converter and a processing unit. The analog / digital converter receives the throttle signal and converts the throttle signal into a digital control signal. The processing unit is connected to the analog / digital converter and the motor controller and receives the digital control signal. The motor controller is connected to the vehicle controller through a signal line and connected to the vehicle controller through a data bus. The motor is connected to the motor controller. The vehicle controller transmits the digital control signal to the motor controller through the data bus. When an abnormal state occurs in the data bus, the vehicle controller converts the throttle signal into a load reduction control signal and transmits the load reduction control signal to the motor controller to control the motor.

A decoupled driver controls module is configured to be selectively attached to and repositionable within a vehicle, and includes a pedal / steering integration structure configured to removably couple to the vehicle, a steer-by-wire steering column, and a steering column feedback actuator configured to provide one or more signals indicative of a steering angle of the steering column. A brake-by-wire brake pedal is pivotally coupled to the pedal / steering integration structure, and a brake pedal feedback actuator is operably associated with the brake pedal. A throttle-by-wire accelerator pedal is pivotally coupled to the pedal / steering integration structure, and a throttle position sensor is operably associated with the accelerator pedal. The decoupled driver controls module is configured as a single unit that can be installed into and selectively removed from the vehicle to facilitate repair / service or repositioning of the decoupled driver controls module within the vehicle.

The utility model relates to the technical field of position sensor testing, in particular to a throttle position sensor testing tool, and aims to solve the problem that an existing testing process is tedious. The throttle position sensor testing tool comprises a main body support, a rotating shaft is rotationally arranged on the main body support, and the two ends of the rotating shaft extend to the outside of the main body support; the rotating shaft is provided with a scale calibration sleeve for displaying scales, the main body support is provided with an indicator corresponding to the scales of the scale calibration sleeve, the main body support is provided with an assembly hole for installing a throttle valve position sensor, and the assembly hole is arranged at one end of the rotating shaft. The assembling hole and the circle center of the rotating shaft are located on the same axis, and a rotating mechanism used for driving the rotating shaft is arranged on the main body support. The method has the advantages that the testing process of the throttle valve position sensor is simplified, the steps of manual operation are reduced, the tediousness of testing is reduced, and the overall testing efficiency is improved.

The invention discloses a two-stroke piston engine air inlet control system and method based on steering engine angle feedback, and relates to the technical field of aviation and power machinery. The system comprises a CAN bus digital feedback steering engine, an electronic control unit (ECU), a crankshaft position sensor, an oil injection control module and a mechanical throttle valve structure, and four throttle valves of the horizontally-opposed four-cylinder engine are controlled to act synchronously through linkage of the single steering engine. The control method is characterized in that an angle detection unit of the steering engine is used for collecting the rotation angle of an output shaft, the rotation angle is transmitted to an ECU through a CAN bus, the rotation angle is directly mapped into the opening degree of a throttle valve through a built-in program or algorithm of the ECU, and a traditional throttle valve position sensor (TPS) is omitted; the ECU calculates oil injection parameters by combining the crankshaft rotating speed and the phase signals, drives the oil injector to act, and meanwhile adjusts the opening degree of the throttle valve in real time through closed-loop control. The system structure can be simplified, the cost is reduced, the whole control system is more compact, the signal transmission reliability is improved, the response speed is increased, and the system is suitable for light aircraft power systems such as small unmanned aerial vehicles.

A mechanical fuel servo includes a servo body that defines an air conduit and a fuel path. The fuel servo further includes a throttle valve assembly coupled to the servo body. The throttle valve assembly includes a throttle shaft constructed and arranged to rotate responsive to control input to control airflow through the air conduit, and a throttle position sensor constructed and arranged to provide a first set of sensor signals that indicates an angular position of the throttle shaft. The fuel servo still further includes a fuel delivery assembly coupled to the servo body. The fuel delivery assembly includes a mixture valve shaft constructed and arranged to rotate responsive to other control input to control fuel flow through the fuel path, and a mixture valve position sensor constructed and arranged to provide a second set of sensor signals that indicates an angular position of the mixture valve shaft.

The utility model provides an electronic injection valve body assembly which comprises a throttle valve position sensor assembly, and the throttle valve position sensor assembly comprises a throttle valve position sensor and an inserting piece connected with the throttle valve position sensor. The throttle valve position sensor is installed on one side face of the valve body, and a flange face is arranged on the side, connected with the valve body, of the throttle valve position sensor. The plug-in is installed on the valve body through an installation flange on the flange face, and the plug-in and the flange face are kept in a perpendicular state, so that the plug-in does not conflict with other structures of the valve body assembly, and flexible assembly and disassembly are facilitated. The structure is simple, the design is flexible, different requirements can be met, and the convenience of installation and maintenance is ensured while the waterproof effect is achieved.

The utility model provides self -adaptation adjustment's car throttle position sensor relates to throttle position sensor technical field, include: sensor, gear shape seat, bolt, link seat, U -shaped pin and tension spring, the inside of sensor includes carousel, the inside connection of carousel has gear shape seat, gear shape seat and the axle end of throttle insert and blend the connection, the inside connection of carousel has three bolts, link seat and engine fixed connection, link seat links with the sensor, the outside connection of sensor has U -shaped pin, U -shaped pin links with link seat, the outside connection of U -shaped pin has two tension springs, the utility model discloses can according to the different of adaptation throttle axle end type, carry out replacement to gear shape seat to satisfy different types car throttle adaptation demand to gear shape seat according to position detection accuracy, carry out rotation debugging to guarantee the accuracy of throttle position detection.

The utility model discloses an anti-pollution sensor for an automobile electronic throttle valve, which relates to the technical field of automobile accessories and comprises a throttle valve position sensor body, a protective cover is mounted on one side of the throttle valve position sensor body, and a titanium dioxide photocatalytic coating is plated on the outer side of the throttle valve position sensor body. The air throttle position sensor has the advantages that pollutants are difficult to attach to the air throttle position sensor body through the titanium dioxide photocatalytic coating, the anti-pollution effect of the air throttle position sensor body is improved, and the air throttle position sensor is convenient to use and high in practicability. The interior of the throttle position sensor body is protected through the protective cover, a physical barrier is directly provided for internal elements of the sensor, pollutants such as dust, water and greasy dirt are effectively prevented from entering the sensor through the sealing gasket, and when one channel fails due to pollution, the other channel can be used through the arrangement of the two sets of wire harness connectors.