373 results about "Engine control unit" patented technology

The invention provides a range extender anti-reverse control method, device and system, a medium and a program product, and relates to the technical field of new energy vehicles. The method comprises the steps that a power generation power request sent by a vehicle control unit is received; determining a rotating speed instruction and a torque instruction according to the generated power request; the rotating speed instruction is sent to an engine controller to control the rotating speed of an engine, and the torque in the torque instruction and the smaller value in the external characteristic torque, corresponding to the rotating speed in the rotating speed instruction, of the engine are sent to a generator controller to control the torque of a generator; and according to the load percentage, fed back by the engine controller, of the engine at the current rotating speed, torque amplitude limiting control is conducted on the generator.

The invention discloses a range-extended hybrid motorboat system and a control method, and relates to the technical field of new energy engineering, and the system comprises a man-machine interaction unit which is used for receiving an operation instruction and displaying a system state; the system control unit is used for receiving a user instruction and feedback information and issuing a control instruction to the corresponding unit; the high-low voltage unit is used for storing, converting and distributing the electric energy; and the power integration unit is used for providing a fuel power source for the range extending mode and comprises an engine, an engine controller, an electric control ISG motor, an electric control driving motor, a cooling device, a fuel tank and a liquid level sensor. The range-extended hybrid power mode of fuel power generation and motor driving is adopted, the battery is continuously charged or the electric control driving motor is directly supplied with power when the electric quantity is insufficient, energy can be quickly supplemented through refueling, the problems that a pure electric motorboat is short in endurance and inconvenient to charge are effectively solved, and the service life of the pure electric motorboat is prolonged. The advantages of low noise and zero emission of pure electric drive and long endurance of fuel power are achieved.

The invention provides a vehicle control method and system, a vehicle and a storage medium, and the method comprises the steps that when the temperature of a downstream switch oxygen sensor is smaller than the dew point temperature, an engine control unit determines the target maximum allowable rotating speed and the target maximum allowable torque of an engine according to the water temperature of the engine, a working condition coordination request is sent to the hybrid power control unit; and the hybrid power control unit controls the engine and the motor to enter a series connection mode according to the working condition coordination request, and controls the maximum allowable rotating speed of the engine to be smaller than or equal to the target maximum allowable rotating speed and the maximum allowable torque of the engine to be smaller than or equal to the target maximum allowable torque. Therefore, the actual rotating speed of the engine does not exceed the target maximum allowable rotating speed, and the actual torque of the engine does not exceed the target maximum allowable torque. The temperature of the engine in the combustion process can be reduced, generation of harmful substances in originally discharged waste gas is reduced, and therefore the emission performance of the vehicle is improved to a certain degree.

The invention provides an engine in-the-loop semi-physical simulation test platform for a hybrid electric vehicle, which relates to the technical field of automobile engine testing and comprises a real-time virtual simulation platform and an engine transient test platform. The real-time virtual simulation platform comprises a driver model module, an energy management strategy module, a power assembly module, a vehicle dynamics module and an exhaust temperature control module. The driver model module carries out data calculation according to the output of the vehicle dynamics module, a vehicle dynamics model calculates a dynamics state threshold value, and energy management is carried out through the energy management strategy module; the engine transient test platform comprises an engine controller, a high-dynamic electric dynamometer, a dynamometer control system, an engine, a post-processing system, an emission detection system and a post-processing temperature control system. According to the platform, a real engine pedestal, a digital hybrid power whole vehicle model and a rapid prototype controller are deeply integrated, so that the model reusability is improved.

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

The utility model belongs to the technical field of mechanical structures, and particularly relates to a hybrid power system of a combine harvester, which comprises a master controller, a battery component, a generator, a threshing mechanism, a header conveying mechanism, a diesel engine, a traveling mechanism, a fan device and an auger vibrating screen mechanism. The battery assembly and the generator are electrically connected with the master controller. The diesel engine is electrically connected with the master controller through the engine controller; the threshing mechanism and the header conveying mechanism are electrically connected with the master controller through the electric drive unit. The power output end of the diesel engine is sequentially connected with the fan device, the walking mechanism and the generator, and a clutch I is arranged between the walking mechanism and the diesel engine; and the auger vibrating screen mechanism is in transmission connection with the power output end of the fan device. According to the technical scheme, energy utilization and economical efficiency are both considered, pollutant emission is reduced, endurance and operation efficiency is improved, power transmission control is flexible, mechanism driving modes are diversified, and many disadvantages of a traditional power system are overcome.

The invention belongs to the technical field of automobile safety, and discloses an automobile drunk driving prevention system and method based on passenger state and air alcohol detection, an alcohol concentration detection module comprises an alcohol sensor in a driver area and an alcohol sensor in a public area / passenger area in an automobile; the passenger state detection module comprises a seat sensor and a camera; the central control unit is mounted below a vehicle instrument panel; the active expiration reinspection module is integrated in a steering wheel scheme, or is designed into an independent small handheld or fixed mouthpiece; the actuator is connected to an original start button circuit, a transmission control unit (TCU) or an engine control unit (ECU) of a vehicle through a relay or a control signal wire harness and sends a'start / operation limiting 'instruction. The early warning device utilizes an original instrument panel display system, a horn system and a sound system of the vehicle. According to the invention, passenger positioning and specific area alcohol concentration monitoring are integrated, and the risk of passenger drinking misjudgment caused by only depending on the overall concentration in the vehicle is greatly reduced.

A piston assembly includes a housing, a piston positioned within the valve housing, and an inductive proximity probe sensor positioned on the housing configured to detect a position of the piston with the housing. The piston is configured to at least one of rotate or translate axially relative to the housing. The piston includes a variable surface. A fuel control system includes the piston assembly, a servo valve in fluid communication with the piston assembly, and an engine controller. The engine controller is operatively connected to the inductive proximity probe sensor.

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

The invention discloses a longitudinal driving method and device for automatic parking of a traditional fuel vehicle, the vehicle and a medium, a transmission control unit (TCU) is actively introduced into a control loop of a parking working condition, two interfaces of a longitudinal control signal and a target creeping speed are introduced to be respectively sent to an IPB and the TCU, and a staged arbitration mechanism is introduced into an engine controller (EMS), so that the automatic parking of the traditional fuel vehicle is realized. Smooth starting of the vehicle is ensured, backward sliding and accurate following of the target crawling speed are effectively prevented, and the common problems of unsmooth vehicle speed, rushing and the like in the automatic parking process of a traditional fuel vehicle are solved from the source.

The application provides a hybrid vehicle driving controller interaction test method and system, the method comprises: obtaining an input signal, the input signal comprises a vehicle state signal and an operation signal; inputting the input signal into a preset signal simulation model, so that the signal simulation model simulates a plurality of CAN signals and a plurality of IO signals corresponding to the input signal; inputting the plurality of CAN signals and the plurality of IO signals into a vehicle controller, so that the vehicle controller processes the plurality of CAN signals and the plurality of IO signals, generates corresponding torque request messages and sends them to an engine controller and a motor controller respectively; obtaining a plurality of response signals output by the engine controller and the motor controller; comparing the plurality of response signals with a preset output result, and then judging whether the measured function of the driving control system is normal, thereby improving the accuracy of the driving controller interaction test.

The invention relates to a method for converting a drive train (10) designed for an internal combustion engine (11) for a working machine to an electrically driven drive train (20) for a working machine, wherein the drive train (10) comprises an internal combustion engine (11), a continuously variable transmission (12), an internal combustion engine control unit (13), a transmission control unit (14) and a driving strategy control unit (15), wherein the internal combustion engine (11) is replaced by an electric motor (21) and the electric motor (21) is coupled to the continuously variable transmission (12) in a drive-related manner, wherein the internal combustion engine control unit (13) is replaced by an electric motor control unit (23) and the electric motor control unit (23) is coupled to the transmission control unit (14) in terms of data technology, and wherein the transmission control unit (14) and the electric motor control unit (23) are controlled by the driving strategy control unit (15) according to a drive requirement.The method according to the invention is characterized in that the electric motor control unit (23) is controlled by the driving strategy control unit (15) as if it were the combustion engine control unit (13).

This invention relates to an intake air preheating control system for electronically controlled diesel engines used in special vehicles, comprising an engine controller (ECU), a liquid heater, a battery, a liquid heater switch, a relay, and a grille heater. The invention also relates to a control method, comprising the steps of: acquiring coolant temperature, intake air temperature, and atmospheric pressure; calculating a weighted temperature and preheating time; comparing the weighted temperature with a coolant temperature threshold at the end of boiler heating; checking the liquid heater switch closure signal; determining whether the liquid heater should exit the heating process; allowing intake air preheating; setting the preheating time; performing intake air preheating; and ending preheating. This invention effectively improves the cold-start performance of electronically controlled diesel engines in low-temperature environments below -35°C and saves battery power.

The invention provides an engine starting control system, a vehicle and a hybrid tractor, and relates to the technical field of vehicle control. A vehicle control unit is in communication connection with a motor controller, an engine controller and a battery management module; the motor controller is electrically connected with the generator; the engine controller is connected with the engine; the battery management module is in communication connection with the power battery; the vehicle control unit is used for controlling the motor to operate in a first working state in response to a vehicle starting signal so as to drag the engine; after the engine is started to run, monitoring the electric power characteristic of the motor; if the electric power characteristic of the motor is converted from the first electric power characteristic to the second electric power characteristic within the preset duration, it is judged that the engine is started successfully; and when it is judged that the engine is started successfully, the target rotating speed and / or the target torque of the engine are / is adjusted according to the vehicle state signal, so that accurate starting judgment and intelligent speed regulation are achieved, battery feed is avoided, and the optimal running state of the hybrid tractor is guaranteed.

The invention discloses an engine torque loss self-adaption method and system, a vehicle and a medium, and relates to the technical field of vehicle control. The method comprises the steps that when a torque correction condition is met, the engine rotating speed and load corresponding to the working condition when the torque correction condition is triggered are recorded; determining the current operation mode of the engine according to the vehicle bus information; performing a calculation of a torque loss adaptive value of the engine according to the operating mode; wherein when the operation mode is a series fuel cut-off mode, a torque loss adaptive value is determined based on a motor torque signal on a bus and torque loss in an engine control unit; and when the operation mode is the rotating speed control mode, integral calculation is carried out based on integral term torque information in the rotating speed control mode, and a torque loss adaptive value is determined. By adopting the method, the torque loss of the engine can be compensated in real time, and high-precision self-calibration of the torque model is realized, so that the torque control precision of the engine and the power response performance of the whole vehicle are improved.

The invention discloses a variable-speed regulation electric centrifugal pump with flow feedback and a flow control method thereof, and belongs to the technical field of aero-engine control. The electric centrifugal pump comprises a permanent magnet synchronous motor, a centrifugal pump body, an equal pressure difference adjusting valve, a metering valve, a linear variable differential transformer and a motor controller. And the motor controller receives a fuel mass flow instruction of the engine controller and a metering valve opening signal fed back by the LVDT, outputs a motor control instruction and adjusts the rotating speed of the centrifugal pump to change the outlet pressure of the centrifugal pump. The constant-pressure-difference regulating valve senses the pressure change, drives the valve core of the metering valve to move, and changes the opening degree of the metering hole, so that the fuel flow is regulated; the LVDT detects the opening degree in real time and feeds back the opening degree, and flow closed-loop control is formed. According to the invention, on-demand supply of pump outlet pressure is realized through variable-speed regulation, accurate metering and feedback of flow are realized through the synergistic effect of the equal-pressure-difference regulating valve and the metering valve, pressure loss caused by a traditional throttle valve is eliminated, and the system efficiency is remarkably improved.

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.

The invention provides an automobile crane chassis wire harness intelligent management system which is characterized in that a wire harness data acquisition module transmits an acquired wire harness current value and a cold resistance value to a power utilization acquisition module, and the power utilization acquisition module transmits the acquired wire harness current value and cold resistance value to a control module; the temperature data acquisition module acquires wire harness temperature data and transmits the data to the control module; the vehicle body data acquisition module acquires vehicle body operation data of a vehicle body controller, an engine controller, an anti-lock braking system and a combination instrument, transmits the vehicle body operation data to the communication module and then transmits the vehicle body operation data to the control module; and the control module processes the wire harness current value, the cold resistance value, the wire harness temperature data and the vehicle body operation data, obtains alarm information and fault information, transmits and displays the wire harness current value, the cold resistance value, the wire harness temperature data, the vehicle body operation data, the alarm information and the fault information to the display module, and transmits and stores the information to the storage module. According to the system, intelligent monitoring and management of the chassis wire harness of the automobile crane are realized.

The application provides a vehicle control method and device, electronic equipment and vehicle. The method comprises: in response to receiving fault information of a rear axle shift controller, generating a corresponding rear axle gear control instruction and a corresponding engine control instruction according to the fault information; sending the rear axle gear control instruction to the rear axle shift controller to make the rear axle shift controller adjust the rear axle gear; and sending the engine control instruction to an engine controller to make the engine controller adjust the running state of the engine. The driving torque output by the rear axle motor and the driving torque output by the engine are combined to provide vehicle power, the driving force provided by the rear axle under fault conditions is fully utilized, the engine driving force is reduced or avoided under the premise of ensuring driving safety and the hardware safety of the rear axle shift controller, and the energy utilization efficiency of the vehicle is improved.

The present invention provides an engine control device that can further reduce engine noise and vibration (NV) (i.e., improve the quietness of the engine). [Solution] The ECU 50 estimates the oil film thickness for each cylinder based on the crank angular velocity, engine load, and oil temperature corresponding to the expansion stroke of each cylinder, and corrects the ignition timing of cylinders whose estimated oil film thickness is thinner than a predetermined value.

An engine for aeromechanical instability abatement includes a sensor configured to capture data from rotating blades of the engine system, a airflow effector device, and an engine controller. The engine controller is configured to control the airflow effector device according to a nominal schedule, detect, based on a signal from the sensor indicating a vibration amplitude of the rotating blades within a frequency band, an incipient instability condition, in response to the incipient instability condition being present, determine a modified control parameter for at least one of the airflow effector device, and control the airflow effector device according to the modified control parameter, deviating from the nominal schedule.

An engine controller, for an internal combustion engine, is configured to:control at least one actuator to provide an air-fuel mixture with a lambda value higher than 3 to a main combustion chamber via at least one intake valve, wherein the at least one actuator is arranged upstream of at least one intake port or which is arranged in the intake port;control at least one fuel supply system to provide fuel directly to the main combustion chamber and / or a pre-combustion chamber of a piston-cylinder unit such that at the time of ignition of the air-fuel mixture the lambda value of that air-fuel mixture in the main combustion chamber is lower than the lambda value of the air-fuel mixture provided to the main combustion chamber via the at least one intake valve.

To ensure convenience and comfort of a passenger while preventing vehicle theft and carbon monoxide poisoning of the passenger.SOLUTION: An engine control device controlling an engine of a vehicle comprises a control section capable of executing an automatic stop mode to stop activation of the engine when a predetermined condition is met. In the automatic stop mode, the control section measures duration during which no vehicle driving operation is detected while the engine is activated continues and allows continuation or stop of the engine activation to be selected when the duration exceeds a first threshold.SELECTED DRAWING: Figure 1

To reduce the time between replacing one toner cartridge and allowing the replacement of other toner cartridges when multiple toner cartridges are being replaced. [Solution] When the first toner cartridge is installed in the rotary 9, the engine control unit 1403 reads the first information and the second information from the first storage unit via the reading unit 61 before the image forming operation is performed. When the first toner cartridge is installed in the rotary 9 in a state where installation of the second toner cartridge in the rotary 9 is permitted, the engine control unit 1403 (i) performs a first reading operation to read the first information, and (ii) after the first reading operation and before the first additional reading operation to read the second information, performs a replacement preparation operation to position the rotary 9 in the second replacement position.

The invention relates to the technical field of internal combustion engine tail gas treatment and clean combustion, and discloses an EGR system of an integrated alcohol fuel injection branch and a control method, the EGR system comprises a main working loop, a waste gas circulation path, an alcohol injection path and an engine control unit; the main working loop comprises a turbocharger, an intercooler, an engine, an air inlet cylinder and an air outlet cylinder, the air inlet cylinder is connected with one end of the intercooler, the other end of the intercooler is connected with the input end of the engine, the output end of the engine is connected with the air outlet cylinder, the turbocharger is installed in the air outlet cylinder, and the air inlet cylinder is connected with the air outlet cylinder through the turbocharger; the exhaust gas circulation passage comprises an EGR valve, a three-way electromagnetic valve, an EGR valve cooler and the like; according to the EGR system and the control method, through premixing and adjusting of the waste gas and the alcohol fuel, NOx and particulate matter emission can be efficiently reduced at the same time within the full working condition range, and the heat efficiency of the engine is improved.

To identify a cause with a high probability for a jam occurring in an image formation apparatus and to notify a user or maintenance service provider of countermeasures for the cause of the jam at a proper timing before a service call occurs.SOLUTION: An apparatus management system comprises: an engine control unit 110 that detects a conveyance failure of a sheet S in an image formation apparatus 100; a computation unit 310 that determines a cause of the conveyance failure on the basis of information acquired from the image formation apparatus 100; a display unit 402 that displays information relating to the determined cause; and a computation unit 310 that determines whether or not to display the information relating to the cause on the display unit 402. The computation unit 310 determines whether or not to display the information relating to the cause on the display unit 402 on the basis of an occurrence rate, which is the number of conveyance failures occurring per unit time.SELECTED DRAWING: Figure 6

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate various aspects of an ignition system and provide continuous feedback. The ignition coil assembly can be a coil-on-plug type device that converts low-voltage battery current into high-voltage ignition pulses, and it can include multiple input terminals, an ignition coil with primary and secondary windings, an ignition circuit, an output terminal, a spark plug connector, and a housing.The ignition circuit includes an ignition operating circuit and an ignition diagnostic circuit, which in turn includes a charge evaluation circuit for monitoring a charging phase, a discharge evaluation circuit for monitoring a discharge phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal, which can then be sent via a single output connection to an engine control unit (ECU) or the like.

An engine controller includes an exhaust gas recirculation valve, a fuel injection device, an ignition device, and a controller including a processor. The processor includes a requested torque setter, a surplus torque setter, a comparator, and a correction torque setter. The requested torque setter sets requested torque, on the occasion of restoration from fuel cut. The surplus torque setter sets, on the occasion of the restoration from the fuel cut, surplus torque in combustion based on a flow rate of the air to pass through the exhaust gas recirculation valve. The comparator makes a comparison between the requested torque and the surplus torque. The correction torque setter sets, based on a result of the comparison, correction torque to correct the amount of the air to pass through a throttle valve and to make retard correction of ignition timing.