1421results about "Electric motor starters" patented technology

The invention relates to the technical field of extended-range electric vehicle control, and discloses an engine starting control method and system for an extended-range electric vehicle, and the method comprises the following steps: obtaining the operation information of the extended-range electric vehicle, the operation information comprises the actual temperature of an engine, the actual rotating speed of a range extender, the state of charge (SOC) of a power battery and the maximum dischargeable power; when the starting request mark position of the engine is set, the generator is controlled to enter a torque control mode, and the engine enters a starting mode; and based on the actual temperature of the engine and the actual rotating speed of the range extender, the pre-control torque of the generator is activated through the enabling flag bit. By accurately controlling the rotating speed and the torque of the generator, smooth starting of the engine is achieved, the requirement for starting the engine in various vehicle using scenes is met, meanwhile, the actual temperature of the engine, the SOC of a power battery and the like are considered, the target rotating speed of the started engine and the starting torque of the generator are flexibly controlled, and the starting efficiency is improved. The starting performance of the engine is improved.

A system includes a controller communicably coupled to a hydrogen fueled internal combustion engine. The controller includes at least one processor coupled to at least one memory device storing instructions that, when executed by the at least one processor, cause the controller to perform operations. The operations include receiving an engine shutdown request and responsive to receiving the engine shutdown request, executing an engine shutdown procedure including causing the engine to continue to rotate for at least a predetermined number of rotations or at least a predetermined time period.

A computer system has processing circuitry to selectively operate the powertrain system in at least a freewheeling mode, in which an output shaft of the engine is non-rotating, and the engine is disconnected from the one or more drive wheels. The processing circuitry is further configured to: determine an opportunity for the freewheeling mode by predicting a feasibility of restarting the engine along an intended route by using a controllable clutch. Predicting the feasibility of restarting the engine by using the controllable clutch includes determining fulfillment of any one of a first restarting condition and a second restarting condition. Determining fulfillment of the first restarting condition includes comparing current total weight of the vehicle with a threshold value indicative of a minimum total weight for avoiding excessive braking of the vehicle during restarting at a high friction road condition with a given total gear ratio. Determining fulfillment of the second restarting condition includes comparing a current drive axle load with a corresponding threshold value indicative of a minimum drive axle load on a drive axle for avoiding excessive wheel slip during restarting at a low friction road condition with a given total gear ratio. The powertrain system is controlled into the freewheeling mode upon the fulfillment of any one of the first restarting condition and the second restarting condition.

A diesel generator starting system comprises a charger (200) which is provided with a positive electrode interface (210) and a negative electrode interface (220); the diesel generator starting system further comprises a super capacitor (400). The super capacitor is provided with a positive terminal (410), a negative terminal (420) and a starting terminal (430); the positive electrode interface of the charger is connected with the positive electrode terminal of the super capacitor; a cathode interface of the charger is connected with a cathode terminal of the super capacitor and is used for being connected with a cathode of a starting interface of a diesel generator (100); the starting terminal of the super capacitor is used for being connected with the positive electrode of the starting interface of the diesel generator. According to the diesel generator starting system, by means of the advantages of high power, long service life, no maintenance and low temperature resistance of the super capacitor, reliable and stable starting of the diesel generator is guaranteed.

A system includes a computer including a processor and a memory storing instructions executable by the processor to determine to disable a remote start request in a vehicle based on a current state of the vehicle. In response to disabling the remote start request, the instructions include to output a notification. Then, upon receiving a user input to override the disabling of the remote start request, the instructions include to actuate one or more vehicle components as specified by the remote start request.

The invention provides an energy management strategy verification platform for a plug-in series hybrid power ship propulsion system. The energy management strategy verification platform comprises a power source module, a power output module, a load simulation module, a transmission module, a sensor measurement module and a control system module, the power source module outputs electric energy through multi-energy cooperation; the power output module generates propelling power according to the electric energy; the load simulation module simulates load characteristics according to the propulsion power; the transmission module is connected with the power source module and the power output module as well as the power output module and the load simulation module; the sensor measurement module collects operation parameters of the verification platform; and the control system module executes an energy management strategy according to the operation parameters and outputs a control instruction. A graphical programming environment is constructed by adopting a modeling code automatic generation system, and a strategy rapid prototype development verification closed loop is formed in combination with a range extender intelligent start-stop control strategy and a multi-mode power generation control strategy.

The invention discloses a gas generator frequent starting system without a starting motor and an implementation method, and belongs to the technical field of generator control. The gas generator frequent starting system comprises a charging and discharging circuit, a charging control circuit and a discharging control circuit; the storage battery is connected with an inverter and a plurality of super capacitors through a normally open contact of the relay, each super capacitor is connected with a coil of a solid-state relay, the storage battery is further connected with a rectification voltage stabilizer, the inverter and the rectification voltage stabilizer are connected with a coil of a gas generator, the coil of the gas generator is further connected with a coil KMC-0 of an 8 # relay, and the coil KMC-0 of the 8 # relay is connected with the storage battery. A starting mode of directly driving a generator coil is adopted, an external starting motor is not needed, and therefore the problems that a conventional starter slips, cannot be separated and is abraded are solved.

A motorized vehicle includes a multi-speed transmission having a plurality of forward gears configured to be selectively engaged to drive the motorized vehicle, an internal combustion engine selectively coupled to the transmission, and a reverse drive system selectively coupled to the transmission to provide torque to drive the motorized vehicle in a reverse direction. The reverse drive system includes an electric motor and a reverse drive gear train configured to be selectively coupled to the transmission. The transmission includes a neutral position in which the internal combustion engine is decoupled from the transmission and freely rotatable relative to the transmission. The reverse drive gear train is configured to be operably coupled to the transmission when the transmission is in the neutral position, such that the reverse drive system is operable to drive the motorized vehicle in the reverse direction without interference from the internal combustion engine.

A battery booster for jumpstarting a vehicle having an external battery. The battery booster may include a processor, a set of terminal connectors, a power supply, and a power-management circuit. The set of terminal connectors may be configured to couple with the external battery or an engine that is electrically coupled with the external battery. The power supply may include a lithium battery configured to supply a starting current to jump start an engine. The external battery may have a first nominal voltage, while the lithium battery may have a second nominal voltage that is greater than the first nominal voltage. The power-management circuit operatively coupled with the at least one processor, wherein the at least one processor is configured to transfer power selectively between the external battery and the power supply. The processor is configured to perform a pre-charge function and / or a back-feed function via the power-management circuit, which may employ a pulse width modulation (PWM) driver.

The invention relates to an engine starting control method and device, a vehicle and a storage medium. According to the engine starting control method, in the engine starting process, if the water temperature of an engine is larger than or equal to the preset temperature for optimizing starting control, the opening degree of a throttle valve is adjusted to the first opening degree; the method comprises the following steps of: controlling a throttle valve to rotate at a first opening degree, dragging an engine to run to a target rotating speed by a generator at the first opening degree, controlling the throttle valve opening degree to be reduced from the first opening degree to a second opening degree when the target rotating speed is reached, and controlling the engine to inject oil and ignite for starting at the second opening degree, and reducing air inlet resistance by performing dynamic smooth control on the throttle valve opening degree in the starting process. And therefore, the rotating speed fluctuation problem of the engine in the starting stage is reduced, and the driving experience of a user is improved.

The invention relates to a starting and power generation integrated control method based on externally distributed bosses of a permanent magnet motor, and the method comprises the following steps: determining the initial position of a rotor of the permanent magnet motor relative to a stator through a pulse voltage injection method, and applying a drive signal to a stator coil, so that the motor reaches the rotating speed at which an ignition trigger can stably detect the signal; an ignition trigger is used for obtaining boss signals and conducting shaping processing, and the specific position of the rotor relative to the stator is determined; the stator coil is electrified by utilizing the relative position of the rotor and the stator, the motor is driven to rotate, and flux-weakening voltage regulation control is carried out; and when the power-assisted condition is met, a stator coil corresponding to the permanent magnet motor is electrified by utilizing the relative position of the rotor and the stator, so that switching control from power generation voltage regulation to power-assisted driving of the motor is realized, and power-assisted driving operation is executed. According to the control method, the boss on the rotor is used for starting and power generation voltage regulation control of the permanent magnet motor, and the method is simple and easy to implement.

The present invention relates to a rechargeable battery pack for starting a diesel locomotive and a method of use thereof. In one form, the battery pack includes: a plurality of lithium ion battery cells arranged in two or more layers, each layer having a battery management system ("BMS") for at least monitoring a state of the cells in the layer; and a controller in communication with each BMS for at least ensuring sufficient charge is retained to start the diesel locomotive, said controller configured to isolate the battery pack from external loads when the battery pack has been running for a predetermined amount of time and current and state of charge ("Soc") have reduced to predetermined thresholds.

The invention discloses a one-key starting method of a piston engine unmanned aerial vehicle. According to the invention, the starting process is integrated into one button operation, and the flight control system automatically completes the steps of fuel supply, preheating, ignition and the like, so that the operation process is greatly simplified, the takeoff preparation time is shortened, the starting efficiency is improved, and the unmanned aerial vehicle can be put into task execution more quickly. According to the one-key starting method, the starting process is automated, human errors are avoided, the starting success rate is increased, the engine fault risk is reduced, and the reliability of the unmanned aerial vehicle is improved. The system monitors engine state parameters such as the rotating speed, the oil pressure, the water temperature and the oil temperature in real time and judges whether starting conditions such as the preheating temperature and the accelerator position are met or not. And if abnormal conditions such as fault warning and insufficient preheating time are found, the flight control system can stop a starting program and give an alarm, so that the engine is prevented from being started in an abnormal state, the starting safety is improved, and the safety of personnel and equipment is guaranteed.

The utility model relates to the technical field of engine starting, in particular to a starting structure of an in-line piston engine, an engine and an aircraft thereof, which comprises a starting motor, the starting motor is installed on the upper portion of an engine crankshaft box body, and the output end of the starting motor penetrates through the box body and drives a reduction gear assembly through gear meshing. The reduction gear assembly comprises a reduction gear and a driving gear, the reduction gear is formed by laminating a plurality of large gears, the driving gear is meshed with the reduction gear, the large gears are laminated through friction plates and belleville springs, a starting gear is arranged at the front end of the engine crankshaft, and a one-way overrunning clutch assembly is integrally arranged on the starting gear. According to the utility model, the installation position of the starting motor is moved from the end part of the crankcase body to the upper part of the crankcase body, and meanwhile, the number of gears is reduced, so that the miniaturization design of the crankcase body is realized.

A computer-implemented method when executed by data processing hardware causes the data processing hardware to perform operations. The operations include detecting a park mode of a vehicle equipped with an automatic protected idle function and activating the automatic protected idle function automatically in response to the detected park mode. A state of a control switch associated with the automatic protected idle function is determined, and a hold time is set in response to a respective determined state of the control switch. The operations also include modifying the automatic protected idle function for one or more ignition cycles in response to the set hold time.

The invention provides a starting control method of an aircraft auxiliary power device. The aircraft auxiliary power device comprises an APU working state electronic regulator, an APU automatic starter, an APU starting box and an engine starting accessory. The APU starting box is connected with the starting generator; the method comprises the steps that when an APU automatic starter receives an aircraft APU starting instruction, the working time sequence of an engine starting accessory is controlled according to a set program, the APU automatic starter is matched with an APU starting box, and the output power of a starting generator is controlled in a grading mode through armature series resistor voltage reduction starting, full-voltage starting and weak magnetic speed regulation, so that the requirement for starting the engine is met, and the starting efficiency is improved. The purpose of smoothly starting the engine is achieved in a low-power-consumption and quick-starting mode.

A motor vehicle includes at least one camera capturing images of an environment outside of the motor vehicle. A proximity sensor detects an object disposed adjacent to the motor vehicle. An electronic processor receives the images captured by the at least one camera, and receives a proximity signal from the proximity sensor. The proximity signal is indicative of whether an object is disposed adjacent to the motor vehicle. The electronic processor determines, based upon the images captured by the at least one camera and the proximity signal, whether the motor vehicle is disposed within an enclosure. The electronic processor receives an engine start request signal that has been wirelessly transmitted by a user. In response to receiving the engine start request signal, the electronic processor causes the engine start system to start an engine of the motor vehicle when the motor vehicle is not disposed within an enclosure.

A means of transport (10) and a method for supplying an on-board power supply system (1) of a means of transport (10) are proposed. The method comprises the following steps: detecting an undervoltage situation in the on-board power supply system (1), receiving external electrical energy via a USB cable (2) of the means of transport (10) connected to the on-board power supply system (1) of the means of transport (10), and automatically deactivating a first group of electrical components (3a, 3b, 3c) of the means of transport (10).

A start-up power supply is provided that includes a battery, a supercapacitor module, and a switch module coupling an output of the supercapacitor module to an output connected to terminals of a vehicle battery. A charging circuit is coupled between the battery and the supercapacitor module and also to the output. A control module is coupled to the charging circuit, the switching module, the battery, and the supercapacitor module. The control module configured to first charge the supercapacitor module until the voltage of the supercapacitor module is higher than a pre-charge voltage of the supercapacitor module. Then to connect the battery and the supercapacitor module in parallel enabling the voltage of the supercapacitor module to charge to a voltage of the battery. Finally, to charge the supercapacitor module until the voltage of the supercapacitor module reaches a voltage of a full threshold of the supercapacitor module.

A vehicle battery jump starter that is powered by a removable and rechargeable battery pack, such as a battery pack used with various hand-held power tools. The battery pack removably connects to a vehicle battery jump starter and can be selectively used to charge a power boost module within the vehicle battery jump starter. The power boost module includes, for example, a plurality of supercapacitors or lithium polymer battery cells. The power boost module in combination with the battery pack 100 can be used to jump start a vehicle battery.

The invention discloses a range extender assembly applied to a hybrid mowing vehicle and a control driving method, the range extender assembly is applied to the technical field of hybrid mowing vehicles, the range extender assembly comprises an engine system, a generator system and a range extender control unit, a rotor of the generator assembly is connected with a crankshaft of the engine assembly, a fan assembly is arranged on the air inlet side of the engine assembly, and the fan assembly is connected with the generator system. The fan assembly is connected to the crankshaft, the air outlet position of the fan assembly is aligned with a cylinder head of the engine assembly, and the range extender control unit is used for determining the target output power of the range extender assembly according to the corresponding relation between the required power and the target output power; selecting target mechanical power corresponding to the high efficiency point according to a preset target mechanical power curve corresponding to the target output power; and determining a target rotating speed and a target torque corresponding to the target mechanical power, and outputting power according to the target rotating speed and the target torque. The frequency can be adjusted according to different working conditions, adaptability and flexibility are good, the structure is simple, and cost is low.

The present invention relates to a system and a method for controlling a vehicle. In accordance with an aspect of the present invention, there is a system for controlling a vehicle comprising: the vehicle comprising a vehicle control unit operable to detect a user's input to control at least one of a door and a start of an engine, and control the at least one of the door and the start of the engine; and a mobile device comprising a sensor capable of detecting a position and a motion pattern of the mobile device, characterised in that: when the vehicle control unit detects the user's input, the vehicle control unit is operable to collect a latest position of the mobile device and the motion pattern of the mobile device from the sensor, determine a current position of the mobile device with respect to the vehicle based on the collected information, and decide whether to control the at least one of the door and the start of the engine.

This application relates to an engine starting method, apparatus, storage medium, and program product, and pertains to the automotive field. The method is executed by a vehicle control unit in a hybrid vehicle, and includes: when the vehicle's engine is not started and the time difference is greater than a specified time difference, acquiring current engine fuel tank level information, total mileage information, and vehicle speed information; when the above three pieces of information meet their respective specified conditions, controlling the engine to enter a self-maintenance mode; when the engine coolant temperature is greater than a specified temperature, controlling the engine to exit the self-maintenance mode; and when at least one of the engine fuel tank level and vehicle speed information does not meet its corresponding specified condition, but the total mileage information meets its corresponding specified condition, displaying a first warning message on the vehicle's instrument panel. This solution allows the hybrid vehicle's engine to enter a self-maintenance mode without starting, thereby extending the engine's service life.

The invention provides a range extender control method and system, a storage medium and a vehicle, and belongs to the technical field of vehicle range extenders, and the range extender control method comprises the steps that in response to an instruction indicating that starting of an engine fails, the output rotating speed of the engine when starting fails is obtained; target parameters are determined based on the output rotating speed of the engine when starting fails; based on the target parameter, determining a working condition parameter when the engine is restarted and / or a working condition parameter when the generator is restarted; and restarting the engine based on the working condition parameters when the engine is restarted and / or the working condition parameters when the generator is restarted. According to the method and the device, the working condition parameters of the engine or the generator are adjusted in a targeted manner according to the target parameters corresponding to the environmental reasons, so that the working condition parameters of the engine during restarting or the working condition parameters of the generator during restarting of the engine adapt to the environment, and the success rate of engine starting is improved.

The invention relates to a control method based on low-temperature cold start of a heuristic integrated heavy oil engine, and relates to the field of heuristic integrated heavy oil engines. According to the technical scheme, the preheating plug in the cylinder is combined with the air inlet heating grid, synchronous control is achieved through the same relay, the electric energy requirements of synchronous work and dragging and preheating are met by means of sufficient battery capacity, and the device can be adapted to the ultra-low temperature of-40 DEG C or below and the plateau environment of 4700 m or above; three starting attempts are supported by single-time power-on through intelligent preheating control logic, the pre-preheating and heating-while-dragging processes are executed each time, fault information is automatically uploaded after starting fails, frequent power-off is not needed, and the starting efficiency is improved. And moreover, through an intermittent post-preheating and intake synchronous heating strategy, the combustion stability in the cylinder is effectively improved, the rotating speed fluctuation time is shortened, and mechanical damage caused by flameout and unstable idling after starting is avoided. In addition, the dragging rotating speed control based on the torque can prevent the problem of engine damage caused by accidental detonation after multiple starting failures.

The invention discloses a vehicle control method and device, computer equipment and a storage medium, relates to the technical field of vehicle control, and aims to solve the problems that abnormal sound is easy to generate during engine starting, and the abnormal sound not only influences user experience, but also accelerates fatigue damage of a transmission part. The method comprises the steps that in response to control over a generator to drag an engine to run to a compression stroke, the generator is controlled to increase the output torque at a first change rate, and the crankshaft rotation angle and the crankshaft rotation speed fluctuation rate of the engine are obtained; if the crankshaft rotation angle is smaller than or equal to the preset rotation angle corresponding to the compression top dead center and the crankshaft rotation speed fluctuation ratio is larger than or equal to the first preset threshold value, the generator is controlled to increase the output torque at a second change rate, and the second change rate is smaller than the first change rate; and if the crank angle is greater than the preset angle, controlling the generator to reduce the output torque at a third change rate.

The invention provides an engine starting control method and device, a range extender and a vehicle, and the method comprises the steps: determining a target starting mode sequence of a range-extended engine based on the current wear degree of the range-extended engine when the range-extended engine meets a starting condition and the current wear degree of the range-extended engine is greater than or equal to a preset wear degree; the target starting mode sequence comprises an execution sequence of each starting mode in a plurality of starting modes of the extended-range engine, and the extended-range engine is started in sequence according to the starting modes in the target starting mode sequence until the extended-range engine is started successfully or execution of the target starting mode sequence is finished. And the starting success rate of the extended-range engine can be effectively improved.

The present invention provides a control method for a multifunctional starter, and its top gear protection function includes setting the maximum time of delayed release of the relay to 30S, judging whether the delay time of the relay exceeds 30s; if it exceeds 30s, the relay and the electromagnetic switch are disconnected, and the starter is stopped, and if it does not exceed 30s, the next step is entered; the protection circuit collects the voltage of the electromagnetic switch 50C terminal, records the voltage U1, and after 20-70ms, the relay is turned on, and the voltage U2 of the electromagnetic switch 50C terminal is collected. If U2<U1, it is judged that the electromagnetic switch has been energized; the timer is used for timing, and sampling is performed every 10ms within 300-800ms, and each sampling voltage is greater than the previous 0.12V, and it needs to be satisfied for 6 times in a row; if it is satisfied, it is judged that there is no top gear, the top gear protection function is terminated, the relay is continuously energized, and other protection function judgments are continued; if it is not satisfied, it is judged to be a top gear, the relay and the electromagnetic switch are disconnected, and the starter is stopped. The top gear protection function is set in the protection circuit, and the starter can be powered off in time when the top gear phenomenon occurs, so that the starter is protected from burning.