1184results about "Engine controllers" patented technology

The invention relates to the technical field of hydrogen internal combustion engines, and discloses a hydrogen internal combustion engine power generation system and method based on AI control, and the system comprises the following modules: a receiving module which is used for receiving an operation instruction from a driver, and the operation instruction comprises an expressway power generation instruction and a static charging instruction; the coupling control module comprises a processor unit and an AI control unit; the processor unit is responsible for data transmission operation; the AI control unit is used for receiving the operation instruction, responding to the operation instruction and controlling operation of a vehicle-mounted generator; and the vehicle-mounted generator is connected with the coupling control module and is used for converting hydrogen energy into electric energy. The invention discloses an AI-controlled hydrogen internal combustion engine power generation system and method, and mainly solves the problems of low energy utilization efficiency, poor operation flexibility and incapability of effectively relieving mileage anxiety caused by the fact that a vehicle-mounted range extender of an existing electric vehicle is passively started only by depending on a preset charging state threshold value of a main battery and does not consider the intention of a driver and a stroke situation.

The utility model provides an active pre-combustion chamber supply system, an engine assembly and a vehicle, and relates to the technical field of vehicle parts. The active pre-combustion chamber supply system comprises a plurality of storage units used for storing different fuels, each storage unit communicates with a fuel inlet of an active pre-combustion chamber, and connection and disconnection of a communicating pipeline between each storage unit and the fuel inlet are controlled through a valve. A plurality of storage units are arranged in an active pre-combustion chamber supply system, each storage unit is communicated with a fuel inlet of an active pre-combustion chamber, and meanwhile, a valve is used for performing on-off control on a communicating pipeline, so that a set of flexible supply system capable of switching fuel types is successfully constructed.

The invention discloses a new energy fracturing truck pump flow control system and method and a fracturing truck, and belongs to the technical field of new energy petroleum equipment.The new energy fracturing truck pump flow control method comprises the steps that pump target flow parameters and an engine mode are received; calculating the target rotating speed of the pump motor, and sending the target rotating speed of the pump motor to a pump main motor controller; the feedback real-time torque value and real-time rotating speed are received and sent to the pump slave motor controller; calculating the total input target power of the pump motor; calculating a generator output target total power based on the pump motor input target total power; determining a generator target speed based on the engine mode and the generator output target total power; based on the generator output target total power, calculating generator input target total power; and calculating a generator target torque based on the generator input target total power and the generator target speed, and sending the generator target torque to a generator controller. According to the invention, pump flow multi-mode control or / and stepless real-time intelligent flow regulation is realized.

A throttle housing and cam assembly includes a cam mountable on an end of a throttle tube, an outer bearing flange and a cam head. The cam head has one or more cable receiving apertures and a cable groove for receiving a throttle cable. A bearing is mounted on the outer bearing flange. A throttle housing is formed with a bearing groove and a cam groove. An outer stationary portion of the bearing is received firmly in the bearing groove and the cam is free to move in the cam groove.

A method according to certain embodiments generally involves mixing exhaust gas and air in an exhaust gas recirculation mixer. The method includes directing exhaust gas from an engine to a mixing tube along a first flow path, and directing air to the mixing tube along a second flow path. One of the first flow path or the second flow path is an outer flow path, and the other of the first flow path or the second flow path is an inner flow path surrounded by the outer flow path. The first flow path and the second flow path merge within a throat of the mixing tube such that the exhaust gas and the air mix within the mixing tube to thereby provide a mixture of exhaust gas and air.

The embodiment of the invention provides an engine control method, electronic equipment and a vehicle, and the method comprises the steps: determining a reference crankshaft rotation angle of an engine according to a target angle range in response to the shutdown process of the engine when an actual crankshaft rotation angle is within the target angle range; and controlling the shutdown process of the engine according to the actual crank angle and the reference crank angle. In response to the shutdown process of the engine, the actual crank angle of the engine is obtained when the rotating speed of the engine reaches a first rotating speed threshold value, and it is ensured that the accurate angle is locked when a rotating speed signal is reliable; if the actual crank angle is within the target angle range, the reference crank angle of the engine is determined according to the target angle range, and the stop target position is limited within the optimal interval for restraining rebound and shaking; the shutdown process of the engine is controlled according to the actual crankshaft rotation angle and the reference crankshaft rotation angle, closed-loop regulation and control over the shutdown position are achieved, crankshaft rebound and engine body shaking are effectively restrained, and shutdown stability and NVH performance are improved.

The invention discloses an exhaust temperature increasing method, system and device and a computer readable storage medium, and relates to the technical field of internal combustion engine tail gas treatment, and the method specifically comprises the steps that target conversion efficiency corresponding to the real-time exhaust temperature is determined according to the exhaust temperature and a preset mapping relation table between the exhaust temperature and the conversion efficiency; when it is detected that the target vehicle is in the low-load working condition, the target opening degree of an inter-cooling throttle valve is determined based on the target conversion efficiency, the real-time supercharger outlet temperature and the real-time supercharger flow; and the opening degree of the intercooling throttle valve is controlled according to the target opening degree, so that the exhaust temperature is increased. The exhaust temperature can be increased on the premise that the energy utilization efficiency and hardware safety are guaranteed.

To provide a control device for a hybrid vehicle that ensures good drivability while suppressing NOx emissions to the outside of the vehicle, even when a malfunction occurs in the LNT system. [Solution] A control device for a hybrid vehicle having an engine and an electric motor as power sources, enabling series hybrid driving and direct engine driving, and having a NOx purification system using an SCR catalyst and an LNT catalyst in the exhaust passage of the engine, comprising: an abnormality detection unit that detects abnormalities related to the NOx purification system using the LNT catalyst; and a driving state control unit that, when the abnormality is detected, prohibits direct engine driving as the driving mode of the vehicle and restricts it to series hybrid driving, and causes the engine to operate in a steady state so that the output from the engine is above a predetermined value within an output range that does not exceed the amount of NOx that can be purified by the NOx purification system using the SCR catalyst.

A system and method for changing riding mode of a vehicle (100). The vehicle (100) comprising a handlebar (115) comprising at least once electronic throttle grip (202). Further, based on the change in angle of the at least once electronic throttle grip (202) at least one processor (308) adjusts throttle valve opening using an electric motor actuator in a throttle body of a power unit of the vehicle (100). Furthermore, the at least one processor (308) is configured to open the electric motor actuator when predetermined conditions of the throttle valve opening are achieved. A user can change a riding mode of the vehicle (100) by rotating the at least once electronic throttle grip (202) at least once in a negative direction from zero position to a predetermined angle for a predefined duration of time.

To provide a control device of a vehicle which can balance cooling of an electric motor and power generation by the electric motor.SOLUTION: A control device of a vehicle comprises: an internal combustion engine; an electric motor; and a cooling device. The electric motor is connected with the internal combustion engine. The cooling device is driven by rotation of the electric motor to cool the electric motor. The control device includes: a temperature acquisition part which acquires temperature of the electric motor; and a rotation number control part which controls rotation number of the internal combustion engine. The rotation number control part increases, when the temperature of the electric motor is higher than a first temperature, the rotation number of the internal combustion engine during idling in comparison with a case that the temperature is the first temperature or less.SELECTED DRAWING: Figure 2

The present invention provides a speed limiting device that allows the driver to correct the upper speed limit with an operation that is unlikely to be bothersome, in the event that the speed limit is incorrectly recognized. [Solution] The vehicle speed limiting device performs vehicle speed limiting control to prevent the vehicle speed from exceeding the upper limit vehicle speed. When the vehicle speed limiting device recognizes a new speed limit on the road on which the vehicle is traveling, it changes the upper limit vehicle speed to the limit vehicle speed. If the driver's operation of the acceleration or deceleration control satisfies predetermined reset conditions during the reset period, which is from the time the upper limit vehicle speed was changed until a predetermined time has elapsed, the upper limit vehicle speed is reset to the upper limit vehicle speed before the change.

The invention relates to a vehicle engine shutdown control method and device, a controller, a storage medium and a vehicle. The method comprises the steps that after a parking instruction is received, state information of an engine is obtained; determining a predicted position of an engine piston according to the state information of the engine; determining a target braking torque of the motor according to the predicted position and the target position; and the target braking torque is sent to a controller of the motor, and the target braking torque is used for controlling an engine to stop, so that an engine piston is positioned to the target position. The original random shutdown process is converted into a predictable and repeatable control result, so that the response speed and smoothness of restarting of the engine are optimized, and vibration and noise in the shutdown stage are effectively reduced; meanwhile, the adaptive capacity to different working conditions is also improved by a state-based decision-making mechanism, the overall robustness and reliability of the vehicle-mounted system are enhanced, and the requirements of shutdown control on software and hardware resources in the vehicle are reduced.

The present invention provides a control device that can detect operators who are presumed to be in a state where operating a mobile device is undesirable, such as dementia, while also minimizing inconvenience for healthy operators. [Solution] In the control device 10, the question control unit 3 displays a question on the display unit 13 to the driver operating the vehicle, and the output control unit 5 issues a warning or restricts the starting of the vehicle's engine based on the driver's answers to the questions. The question control unit 3 also controls the frequency of presenting subsequent questions based on the driver's answers.

The invention relates to the technical field of vehicle control, in particular to an engine power compensation control method, electronic equipment and a vehicle. The method comprises the steps that current environment data of the vehicle and engine running state data are obtained; inputting the environment data into an environment prediction model, and extracting current environment features; the current environment data and the engine operation state data are jointly input into an engine torque prediction model, and the maximum engine torque value in the current environment is obtained; inputting the current environment characteristics and the maximum torque value into a torque compensation control instruction generation model to generate a corresponding torque compensation control instruction; and finally, performing power compensation control on the engine according to the instruction. According to the method, a cooperative control framework integrating environment prediction, torque estimation and intelligent decision making is constructed, dynamic precise compensation of engine dynamic response in a complex environment is achieved, and the torque output precision and the self-adaptive control capacity of the vehicle under special working conditions are effectively improved.

To provide an engine starting device that has a simple configuration and reduces fuel consumption when starting the engine. [Solution] A starting device 100 for engine E that starts with butane gas 3 and operates normally with kerosene 4, comprising a vacuum valve 8 configured to supply butane gas 3, a carburetor 5 configured to supply kerosene 4, a throttle SV provided on the carburetor 5, and a control device, wherein when starting engine E, the control device controls the opening S of the throttle SV of engine E to opening S1 so that the intake vacuum of engine E acts on the vacuum valve 8 to supply butane gas 3 to engine E, and kerosene 4 is not supplied to the carburetor 5 of engine E, and only butane gas 3 is supplied to the intake pipe 6 of engine E, thereby starting engine E.

The invention relates to an exhaust brake electromagnetic valve. According to the electromagnetic valve, a main gas circuit unit, a proportional electromagnetic driving structure, a gas circuit switching structure and a gas pressure detection structure are integrated. Continuous and linear accurate adjustment of output air pressure is realized through a proportional electromagnetic driving structure; the gas path switching structure can intelligently switch gas flow between the first gas outlet and the second gas outlet according to an instruction; the pressure sensor integrated in the valve body monitors the actual output air pressure in real time, closed-loop feedback control is formed, and accurate matching of braking force is ensured. The system is compact in structure, remarkably reduces external pipelines and leakage points, has the advantages of being rapid in response, accurate in control, high in reliability and high in adaptability, and remarkably improves the smoothness and safety of vehicle braking.

Method for detecting the position (S) of an accelerator pedal (2) of a motor vehicle (3), in which an accelerator pedal raw signal (7), which describes the position (S) of the accelerator pedal (2) as a function of time (t), is detected and the accelerator pedal raw signal (7) is smoothed, characterized in that half-waves (8) of the accelerator pedal raw signal (7) are determined, on the basis of the determined half-waves (8) a state of instability during an actuation of the accelerator pedal (2) is detected and the accelerator pedal raw signal (7) is smoothed if the state of instability is detected.

The purpose of this invention is to provide a dual-fuel injector with variable injection patterns, belonging to the category of fuel injection devices. It includes a diesel injection section and a low-carbon fuel injection section, both located within the injector body. The diesel injection section, from top to bottom, includes a diesel accumulator chamber, a No. 1 injection control pipeline co-control module, a super hysteresis electromagnetic control needle valve limit module, and a diesel nozzle. The low-carbon fuel injection section, from top to bottom, includes a two-stage booster module, a low-carbon fuel thermal management accumulator module, a No. 2 injection control pipeline co-control module, and a low-carbon fuel nozzle. This invention enables independent injection of diesel and low-carbon fuels and effectively controls the phase state of the low-carbon fuel injected into the cylinder. By controlling the injection pressure and needle valve lift, it achieves flexible and variable injection patterns to meet the needs of different engine operating conditions. It also enables high-response needle valve closure and prevents secondary opening of the needle valve due to pressure fluctuations.

A hybrid vehicle (10) in which a control section (112) determines whether the sum of the required output P ENG‑RQ of the engine and the maximum output P GEN‑DRV of the power running of the generator is less than a prescribed determination threshold P TH , and controls the required torque of the engine in accordance with the torque feedback correction amount of the engine calculated from the deviation of the target speed of the engine in the case where the sum is less than the prescribed determination threshold.

An electric device control method for controlling an electric device provided with an internal combustion engine and a first electric motor connected to the internal combustion engine, wherein: when there is demand for power generation, a controller assesses whether the electric device is in a power generation transition state for transitioning from a first state in which the internal combustion engine is in a non-combustion mode and the first electric motor is performing motoring to turn the internal combustion engine to a second state in which the internal combustion engine is in a combustion mode and the first electric motor is driven by the internal combustion engine to generate electricity; in cases in which the electric device is in the power generation transition state, the controller determines, before the internal combustion engine begins combustion, whether to implement torque limitation for reducing the torque generated by the internal combustion engine below the torque required for the internal combustion engine in the combustion mode; and once the internal combustion engine begins combustion, the controller reduces the speed of the internal combustion engine to a speed within a prescribed speed range by operating the first electric motor as a power generator while implementing the torque limitation.

The invention provides a hydrogen and methanol gas mixed supply device, and belongs to the technical field of hydrogen mixing equipment.The hydrogen and methanol gas mixed supply device comprises a methanol box, one side of the methanol box is connected with a gasification assembly, the methanol box is connected with a mixer through the gasification assembly, one side of the mixer is provided with a hydrogen cylinder, and the other side of the mixer is provided with a gas outlet. The hydrogen cylinder is connected with the mixer, and one side of the mixer is connected with a range extender. The technical problem that the driving range of a current hydrogen vehicle is short is solved.

The utility model discloses a control valve plate for a variable length intake manifold of an automobile engine, which comprises a support rod, two groups of valve plates are fixedly connected outside the support rod, a first rotating shaft is fixedly mounted on one side of the support rod, and a second rotating shaft is fixedly connected on one side of the support rod far away from the first rotating shaft. A connecting rod is fixedly connected to the end, away from the supporting rod, of the first rotating shaft, a connecting groove is formed in the end, away from the supporting rod, of the second rotating shaft, the connecting groove is matched with the connecting rod, a mounting groove is formed in the connecting rod, a clamping head is slidably mounted in the mounting groove, and a clamping groove is formed in the connecting groove. According to the variable-length control valve plate for the intake manifold, the multiple sets of unit valve bodies form the whole control valve plate through connection of the adjacent first rotating shafts and the second rotating shafts, the whole control valve plate does not need to be replaced after one set of unit valve bodies are abraded, waste of the control valve plate is avoided, and the use cost of the variable-length control valve plate for the intake manifold is reduced.

The present invention provides a vehicle driving assistance device that can prevent the vehicle's speed from temporarily falling below the legal minimum speed, even when performing driving assistance control that allows the vehicle to coast. [Solution] The vehicle driving support device 10 performs a first driving support control to drive the vehicle 100 by autonomously alternating between accelerating and coasting the vehicle so that the vehicle's speed is maintained within a range between a target upper speed and a target lower speed. The vehicle driving support device sets the target upper speed by adding a predetermined upper limit to the set vehicle speed set by the vehicle's user as the target value for the vehicle's speed, and sets the target lower speed by subtracting a predetermined lower limit from the set vehicle speed. When the first driving support control is executed, if the target lower speed is lower than the legally mandated minimum speed applicable to the vehicle, the predetermined lower limit is changed so that the target lower speed is equal to or greater than the legally mandated minimum speed.

The heat value allocation device comprises at least two gas source pipelines with different heat values, and each pipeline is provided with an adjusting valve and a flow meter; the efficient dynamic mixer is used for receiving the fuel gas from each gas source pipeline and fully mixing the fuel gas; the real-time monitoring system comprises an on-line calorific value analyzer and a densimeter which are arranged on an outlet pipeline of the mixer; the intelligent control system is used for receiving signals of the flowmeter, the calorific value analyzer and the densitometer and outputting control signals to the regulating valves of the pipelines; the invention discloses a safety interlocking system. The system and the method have the beneficial effects that online, real-time and accurate allocation is realized, the stability of fuel of the gas generator set is ensured, the power generation efficiency and the operation reliability are improved, and the adaptability of the set to different gas sources is enhanced.

A vehicle control system includes a drive source, an accelerator opening degree sensor that detects an accelerator opening degree, and a control device that controls the drive source, and the control device includes a first control that sets a first target acceleration that increases in accordance with an increase in the accelerator opening degree and controls a torque of the drive source based on the first target acceleration, and a second control that sets a second target acceleration that increases at a rate of change greater than the first target acceleration applied in the first control, and first performs the second control when a rate of change of the accelerator opening degree increases by a predetermined value or more in a state in which the vehicle is not accelerating, and performs the first control after the second target acceleration set in the second control reaches a predetermined acceleration.

To provide a new type fuel injector for an internal combustion engine and the internal combustion engine provided with the same.SOLUTION: A fuel injector (10) for an internal combustion engine comprises a first nozzle needle (14) interacting with a first fuel injection orifice (16) so as to open or shut off a fuel flow of a first fuel through the first fuel injection orifice (16), a second nozzle needle (15) interacting with a second fuel injection orifice (17) so as to open or shut off a fuel flow of a second fuel through the second fuel injection orifice (17), and first and second solenoid valves (20, 21) integrated in the fuel injector (10) for controlling the first and second nozzle needles (14, 15). A first and a second solenoid valve (20, 21) are integrated in the fuel injector (10) such that they are each arranged between the nozzle needle (14, 15) and at least one fuel storage space (22, 23) of the fuel injector (10).SELECTED DRAWING: Figure 1

This invention discloses a high-voltage diesel generator set for an emergency power vehicle, relating to the field of generator set technology. It includes a high-voltage diesel generator body, a controller mounted on the outer surface of the generator body, and a scaling component inside the generator body for adjusting the size of the combustion chamber. When the generator body requires low-load operation, a servo motor is activated, driving a sealing plate upwards via a movable rod. This causes multiple telescopic rods to extend, reducing the space inside the combustion chamber under low-load conditions. This results in highly compressed air within the confined space, enhancing the temperature and pressure at the end of compression. This solves the problem in existing technologies where the combustion space inside the combustion chamber cannot be adjusted according to actual load conditions, leading to resource waste during low-load operation.

Systems and methods provided herein relate to hydrogen dosing for aftertreatment system thermal management. A method includes receiving, by a controller, information about a NOx threshold and a hydrogen threshold; determining, by the controller, a NOx value indicative of NOx associated with the system; determining, by the controller, a hydrogen value indicative of a characteristic of hydrogen associated with the system; comparing, by the controller, the NOx value to a NOx threshold; comparing, by the controller, the hydrogen value with a hydrogen threshold; and responsive to the NOx value being greater than or equal to the NOx threshold and the hydrogen value being less than or equal to the hydrogen threshold, triggering, by the controller, dosing an amount of hydrogen via one or more dozers in the system.

To provide a control device of a hybrid vehicle, which prevents overcharging of a battery and can secure an opportunity to examine a state of an engine.SOLUTION: A hybrid vehicle comprising a motor as a driving source for traveling, a battery for supplying power to the motor, and an engine is provided with: a determination part for determining whether or not a prescribed switching operation of switching a driving mode of the vehicle from a normal mode for performing normal traveling to a special mode for examining a state of the engine is performed; and an engine control part for controlling the engine. If the determination part determines that the switching operation is performed, the engine control part makes engine to start combustion of air fuel mixture and makes the engine torque produced by the combustion be equal to or lower than the minimum value of the engine torque produced during the normal mode.SELECTED DRAWING: Figure 3