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633results about How to "Improve power" patented technology

Anode foil and preparation method thereof

The invention provides an anode foil and a preparation method thereof, and relates to the technical field of capacitors. The preparation method comprises the following steps: preparing mixed aluminum slurry which comprises spherical aluminum powder, spherical aluminum oxide powder, a solvent, a binder and a dispersing agent; coating the surface of an aluminum foil substrate with the mixed aluminum slurry, and drying the aluminum foil substrate containing the mixed aluminum slurry to obtain a powder layer aluminum foil blank; sintering the powder layer aluminum foil green body to obtain a sintered foil; performing shot blasting treatment on the sintered foil to obtain an initial anode foil; cleaning and boiling the initial anode foil; and performing formation treatment on the boiled initial anode foil to obtain a target anode foil. According to the preparation method disclosed by the invention, the bending strength of the anode foil can be improved, and large-scale application of the anode foil can be realized.
Owner:XIAN RARE METAL MATERIALS RES INST CO LTD

Special lithium ion battery system for UPS (Uninterrupted Power Supply) based on intelligent management

The invention provides a special lithium ion battery system for a UPS (Uninterrupted Power Supply) based on intelligent management, and relates to the technical field of UPSs, the system comprises a battery state monitoring and predicting module, an intelligent charging management module and a fault diagnosis and fault-tolerant control module of a battery system, and the SOH and SOC of a battery are accurately predicted through a support vector machine, a random forest and a particle filter algorithm. A basis is provided for reasonable charging and discharging, the service life of the battery is prolonged, the intelligent charging management module dynamically adjusts charging parameters according to the SOC and the temperature of the battery through a fuzzy logic control algorithm, balance of rapid charging and battery protection is achieved, the intelligent charging management module adapts to different environments, and the fault diagnosis and fault-tolerant control module detects faults in time with the help of a support vector machine algorithm. A model prediction control algorithm optimizes control input when a fault occurs, it is ensured that the UPS system still operates normally under the battery fault, a data acquisition and transmission module and a system monitoring and display module monitor the battery state and provide historical data query analysis, and a user can conveniently master the battery condition and make a decision.
Owner:CO SHENZHEN RICHROC ELECTRONIC CO LTD

Collaborative optimization design method for parameters of vehicle transmission system and driving motor

The invention belongs to the technical field of vehicle optimization design methods, and particularly relates to a collaborative optimization design method for vehicle transmission system and driving motor parameters, which comprises the following steps of: constructing a motor high-precision machine learning prediction model based on vehicle parameters and performance indexes by taking vehicle dynamic property, economical efficiency and motor performance as optimization targets; further constructing a rapid pre-estimation mathematical model of the motor efficiency Map map, constructing an automobile transmission system and motor structure parameter collaborative design optimization model based on the motor high-precision machine learning prediction model and the rapid pre-estimation mathematical model of the motor efficiency Map map, and solving through a multi-target marine predator optimization algorithm. Through the integrated design of electric vehicle transmission system optimization and motor structure optimization, the motor structure parameters are optimized with the purpose of improving the whole vehicle driving efficiency, so that the vehicle dynamic property and economical efficiency are effectively improved, and meanwhile, the cogging torque of the permanent magnet synchronous motor is reduced so as to reduce the vibration noise of the motor.
Owner:HUNAN UNIV

Motor driving torque determination method and device and medium

The invention relates to a motor driving torque determination method, a vehicle control unit and a vehicle, and belongs to the technical field of four-wheel-drive pure electric vehicles. The method comprises the steps that the acceleration pedal depth and the vehicle speed are obtained; determining a driving demand torque based on the acceleration pedal depth and the vehicle speed; determining the load ratio of the front axle to the rear axle; according to the load ratio of the front axle and the rear axle, the torque distribution proportion of the front axle and the rear axle is determined, and the driving demand torque is the sum of the front axle torque and the rear axle torque; detecting a steering wheel angle and determining a vehicle driving track; according to the vehicle driving track, the TCS trigger flag bit and the VDC trigger flag bit, the torque distribution proportion of a front axle and a rear axle is compensated or not compensated, and the final torque distribution proportion is obtained; determining a motor driving torque based on the final torque distribution proportion; and performing minimum calculation on the motor driving torque and the motor driving torque threshold value to obtain the final motor driving torque. Through the motor driving torque determined by the invention, an automobile can be prevented from slipping.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Br-COFs material and preparation method thereof, and preparation method of lithium metal battery covalent organic framework material interfacial film

The invention discloses a Br-COFs material and a preparation method thereof as well as a preparation method of a covalent organic framework material interface film of a lithium metal battery. The preparation method comprises the following steps: dissolving 1, 3, 5-tri (4-aminophenyl) benzene and 2, 5-dibromobenzene-1, 4-dicarboxaldehyde in an organic solvent, dropwise adding acetic acid into the solution, reacting the reaction mixture under stirring, filtering, washing and drying to obtain the covalent organic framework material; and dissolving the obtained Br-COFs material and a PVdF adhesive in an organic solvent to obtain a mixed solution, coating the surface of a copper foil with the mixed solution according to a certain thickness, and forming the Br-COFs artificial interfacial film on the surface of a copper foil electrode after the solvent is volatilized. The preparation method is simple, the preparation process is green and environment-friendly, and the prepared product is high in purity, controllable in structure and high in mechanical strength, can be directly used as an artificial interface film of a lithium metal battery, and shows excellent stability when being used for a Li / Cu battery.
Owner:SOUTH CHINA UNIV OF TECH

Vehicle hybrid power system, energy management method thereof, medium and vehicle

The invention relates to the technical field of fuel cells, and discloses a vehicle hybrid power system and an energy management method thereof, a medium and a vehicle, the vehicle hybrid power system is composed of a fuel cell and a power cell, the fuel cell and the power cell simultaneously generate electric energy to drive a motor, and the power cell plays a role in supplementing and recycling the electric energy. According to the method, the fuel cell works in a high-efficiency interval and a long-life interval as much as possible, multi-target optimization is performed on the efficiency and the life of the fuel cell based on a multi-target particle swarm optimization algorithm, and the fuel cell works at a high-efficiency and long-life comprehensive optimization working point.
Owner:GUANGDONG WULI INST OF HYDROGEN ENERGY IND TECH

Direct connection type P1 hybrid commercial vehicle gear shifting coordination control method and device and vehicle

ActiveCN119261866Aavoid frequent interventionachieve energy recoveryHybrid vehiclesControl engineeringElectric machinery
The invention provides a direct connection type P1 hybrid commercial vehicle gear shifting coordination control method and device and a vehicle. The method comprises the steps that a vehicle gear shifting request is received, assembly torque reduction is achieved through an engine and a motor, and a gearbox is made to reverse to a neutral gear; the rotating speed of the power assembly is adjusted through an engine and a motor according to the vehicle operation condition and the gear shifting time, so that the rotating speeds of the clutch before and after gear shifting are synchronous; and an assembly torque returning request is received, and the output torque of the engine and the output torque of the motor are dynamically distributed according to the accelerator response characteristic curve. The torque response speed can be increased, rotating speed overshoot and clutch contact impact are avoided, the torque returning speed is increased, and the dynamic property and comfort of a vehicle are improved.
Owner:SINO TRUK JINAN POWER CO LTD

Gear shifting control method and device of vehicle, vehicle, medium and program product

The invention relates to the technical field of vehicles, in particular to a gear shifting control method and device of a vehicle, the vehicle, a medium and a program product.The method comprises the steps that whether the current vehicle meets a preset motor speed regulation condition or not is judged; if the current vehicle meets the preset motor speed regulation condition, the current oil pressure is regulated to the target oil pressure corresponding to the clutch combination point based on a first preset regulation strategy, and the generator speed regulation torque and the rotating speed difference value needing to be synchronized of the current vehicle are obtained; and rotating speed adjustment is conducted according to the generator speed regulation torque and the rotating speed difference value needing to be synchronized, and when rotating speed adjustment is completed and the current vehicle meets the direct drive entering condition, the target oil pressure is adjusted to the locking oil pressure based on a second preset adjustment strategy, so that the gear shifting action is completed. Therefore, the gear shifting time is shortened by entering the gear shifting speed regulation stage in advance, the problem that the dynamic property of the automobile is affected due to the long gear shifting process is solved, and the dynamic property of the automobile is improved when acceleration is needed.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Power dividing type hybrid power system and working method thereof

The invention discloses a power dividing type hybrid power system which comprises a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism and a fourth planetary gear mechanism. The second planetary gear mechanism comprises a second planet carrier, a second sun gear and a second gear ring, and outer teeth of the second gear ring are meshed with outer teeth of the first gear ring; the output end of the engine is in transmission connection with the first planet carrier; the output end of the first motor is in transmission connection with the first sun gear; the output end of the second motor is in transmission connection with the second sun gear; the brake is used for controlling locking or releasing of the first gear ring and the second gear ring; the clutch is used for controlling combination or separation between the second sun gear and the second planet carrier; the transmission mechanism is in transmission connection with the second planet carrier and is used for transmitting power to wheels; the invention further discloses a working method of the power split type hybrid power system. The system is simple in structure, and comprehensive economy and dynamic property of the vehicle can be improved.
Owner:SHANGHAI KUNBOSHENG AUTOMOTIVE POWER SYSTEM CO LTD

Weakening-free polyurethane composite material as well as preparation method and application thereof

The invention relates to a weakening-free polyurethane composite material as well as a preparation method and application thereof. The weakening-free polyurethane composite material comprises a polyurethane surface layer, a polyurethane high-solid bonding layer and a base cloth layer which are sequentially arranged from top to bottom, wherein the polyurethane high-solid bonding layer is prepared from a polyurethane high-solid bonding layer slurry, and the polyurethane high-solid bonding layer slurry is prepared from the following components in parts by mass: 100 parts of a reactive polyurethane prepolymer, 5 to 10 parts of a cross-linking agent, 20 to 50 parts of a filler and 5 to 10 parts of color paste. According to the polyurethane high-solid bonding layer disclosed by the invention, the reaction type polyurethane prepolymer, the cross-linking agent and the filler react according to a certain proportion to form a three-dimensional network cross-linked structure, so that a leather film has certain strength and brittleness, and the weakening-free polyurethane composite material can generate overall brittle fracture under the impact of ignition force; and safe unfolding of the air bag is ensured.
Owner:ANHUI ANLI MATERIAL TECH

Thermal management system for electric truck and electric truck

The invention relates to a thermal management system for an electric truck and the electric truck. A thermal management system for an electric truck includes a first heat pump module including a first coolant circuit, a first refrigerant circuit, a first module controller, a second heat pump module including a second coolant circuit, a second refrigerant circuit, and a second module controller, the first refrigerant circuit and the second refrigerant circuit are independent of each other, and the first refrigerant circuit is individually controlled by the first module controller and the second refrigerant circuit is individually controlled by the second module controller, and wherein the first coolant circuit and the second coolant circuit are connected in parallel, the first coolant circuit and the second coolant circuit are symmetrically controlled by the first module controller and the second module controller, respectively. The invention further relates to an electric truck with the thermal management system.
Owner:JIANGSU SUPER PANTHER POWER TECH CO LTD

Methanol preheating and catalytic cracking system for methanol engine, ship and control method

The invention provides a methanol preheating and catalytic cracking system for a methanol engine, a ship and a control method, and belongs to the technical field of ship methanol engines. The problems that an existing methanol engine is difficult in cold start and methanol gasification are solved. The system comprises a methanol engine, a methanol storage tank, a water storage tank, a heat exchanger, an inlet temperature sensor and an outlet temperature sensor, one passage of a third three-way valve is connected with the waste gas output end of the methanol engine, the other passage of the third three-way valve is connected with another cooling water pipeline, and the methanol output end of the heat exchanger is connected with the methanol input end of the methanol engine. The methanol input end is connected with the methanol storage tank, a methanol pump is arranged on a methanol conveying pipeline between the methanol storage tank and the heat exchanger, two passages of the first three-way valve are arranged between the methanol conveying pipelines, and the inlet temperature sensor and the outlet temperature sensor are respectively arranged at a methanol inlet and a methanol outlet of the heat exchanger. The method is mainly used for starting the methanol engine.
Owner:HARBIN ENG UNIV

AMT gear shifting strategy optimization method, system and device and storage medium

The invention provides an AMT gear shifting strategy optimization method, system and device and a storage medium. The method comprises the steps that actual working condition data are collected; smoothing the actual industrial control data to obtain road spectrum data, and obtaining an economical efficiency simulation result of the vehicle through simulation based on the road spectrum data and the basic parameters of the vehicle; an AMT gear shifting strategy is generated according to the actual working condition data, the AMT gear shifting strategy is input into the simulation model, a simulation result is compared with an economical simulation result, and an economical AMT gear shifting strategy is screened out; the economical AMT gear shifting strategy is optimized, and the optimal AMT gear shifting strategy is generated; constructing a gear shifting strategy database based on the working condition characteristic value and the optimal AMT gear shifting strategy; and working condition characteristic values are collected in real time, and a corresponding optimal AMT gear shifting strategy is called in a gear shifting strategy database. The diversification of gear shifting control strategies is effectively improved, and the economical efficiency of the vehicle is remarkably improved.
Owner:SINO TRUK JINAN POWER CO LTD

New energy trailer power system, control method, trailer and heavy truck

The invention discloses a new energy trailer power system, a control method, a trailer and a heavy truck, a front electric drive axle, a middle electric drive axle and a rear electric drive axle are sequentially arranged in the length direction of the new energy trailer, a power battery is arranged, and the power battery is connected with the front electric drive axle, the middle electric drive axle and the rear electric drive axle. The electric motor is used for providing electric energy for the front electric drive axle, the middle electric drive axle and the rear electric drive axle; a front electric drive axle, a middle electric drive axle and a rear electric drive axle are sequentially arranged on a new energy trailer to provide driving force, a power battery provides electric energy, and three bearing axles are replaced by three electric drive axles on the basis of an existing trailer, so that the refitting difficulty is reduced; and the new energy trailer can be matched with the tractor for auxiliary driving through the front electric drive axle, the middle electric drive axle and the rear electric drive axle, so that the dynamic property of the whole vehicle is improved, and meanwhile the front electric drive axle, the middle electric drive axle and the rear electric drive axle of the new energy trailer can be used for recycling braking energy so as to improve the economical efficiency.
Owner:HANGZHOU SOTEREA AUTOMOBILE INTELLIGENT EQUIP LMITED CO +1

Double-motor hydraulic mechanical stepless speed change transmission system and method

PendingCN119123024Aextend your lifegood torque outputFluid gearingsHydraulic motorGear wheel
The invention discloses a double-motor hydraulic mechanical stepless speed change transmission system and method, and relates to the technical field of stepless speed change transmission. The output end of an input shaft module is connected with the input end of a power output shaft module and the input end of a hydraulic pump shaft module, and a motor shaft driven gear is meshed with the output end of the input shaft module; the motor shaft driven gear is coaxially connected with the two hydraulic motors, the output end of the hydraulic pump shaft module is connected with the two hydraulic motors, the two hydraulic motors are connected with the input end of the motor shaft sun gear, and the motor shaft sun gear is meshed with the forward planet assembly and the backward planet assembly. The motor shaft driving gear is connected with the forward planet assembly and the backward planet assembly, the forward clutch is connected with the forward planet assembly, the backward clutch is connected with the backward planet assembly, the motor shaft driving gear is further meshed with the output shaft module, and the output end of the output shaft module is used for being connected with a front drive axle and a rear drive axle. The transmission efficiency, the control performance and the working efficiency can be improved.
Owner:SHANDONG TAIFENG INTELLIGENT CONTROL CO LTD

Power-interruption-free gear-shifting hub motor two-gear transmission of duplex planetary compound gear train

The invention discloses a power-interruption-free gear-shifting hub motor two-gear transmission of a duplex planetary compound gear train. The power-interruption-free gear-shifting hub motor two-gear transmission is mainly composed of a driving motor; a first planetary gear train; a second planetary gear train; a controllable one-way clutch; a clutch; a central support shaft; and a transmission shell and the like. The first planetary gear train is a duplex planet compound planetary gear train with small characteristic parameters. An output shaft of the driving motor is connected with the first sun gear; the first right planet carrier is connected with the second sun gear; the second planet carrier is connected with wheels; the controllable one-way clutch is used for connecting the first gear ring and a transmission shell, and a one-way locking state, a two-way locking state or a two-way overrunning state can be achieved. The clutch is used for connecting the drive motor output shaft and the first left planet carrier. According to the hub motor two-gear transmission, seven different running states including first-gear driving, second-gear driving, neutral gear, reversing, first-gear regenerative braking, second-gear regenerative braking and low-speed sliding friction braking can be achieved through the control clutch and the controllable one-way clutch.
Owner:JILIN UNIVERSITY

Motor torque control method for dual-motor electric automobile

The invention belongs to the technical field of electric vehicles, and particularly relates to a motor torque control method for a dual-motor electric vehicle, which comprises the following steps of: acquiring a motor end demand torque, determining a main drive motor and an auxiliary drive motor, performing torque distribution on the main drive motor and the auxiliary drive motor, and performing torque control on the main drive motor and the auxiliary drive motor. The motor aging factors caused by the actual capacity, the motor temperature and the load rate of the two motors are considered, the main / auxiliary drive switching principle is provided, the dynamic property of the whole vehicle is effectively improved, the service life of the motors is effectively prolonged, on the premise that the dynamic property of the whole vehicle is met, the situation that the motors work in a low economic area is effectively avoided, and the economical efficiency of the whole vehicle is improved.
Owner:YUCHAIXINLAN NEW ENERGY POWER TECH CO LTD

Control device for cold bypass and EGR cooler bypass in engine

The invention provides a control device for an intercooling bypass and an EGR cooler bypass in an engine, and belongs to the technical field of engines, the control device comprises a multi-way butterfly valve provided with at least three airflow channels, and the input end of the multi-way butterfly valve is communicated with a supercharger; the EGR cooler is arranged on the EGR cooling branch, one end of the EGR cooling branch communicates with the EGR loop, and the other end of the EGR cooling branch communicates with the intake manifold; one end of the EGR bypass branch communicates with the EGR loop through a first airflow channel of the multi-way butterfly valve, and the other end of the EGR bypass branch communicates with the EGR cooling branch and is located between the EGR cooler and the intake manifold; one end of the inter-cooling bypass branch is communicated with the intake manifold, and the other end of the inter-cooling bypass branch is communicated with a second airflow channel of the multi-way butterfly valve; and one end of the intercooler communicates with the intake manifold, and the other end of the intercooler communicates with the third airflow channel of the multi-way butterfly valve. By additionally arranging the multi-way butterfly valve, the purpose of adjusting the cooling strategies of the EGR system and the intercooling system at the same time is achieved.
Owner:DONGFENG COMML VEHICLE CO LTD

Inertia self-adaptive optimization control method for electric propulsion of hydrogen fuel cell ship

The invention provides an inertia adaptive optimization control method for electric propulsion of a hydrogen fuel cell ship, and the method comprises the steps: building an equivalent output model of each power source during the steady-state operation of the hydrogen fuel cell ship, taking the equivalent model as a mixed potential function, and analyzing a system signal stability criterion; inertial parameters and damping parameters required by the system based on the mixed potential function are obtained by inputting ship working conditions and hydrogen fuel cell working conditions; power output is realized by performing frequency division control on demanded power in the system; and an energy storage unit in the system is controlled by a virtual direct current machine, so that the inertia requirement of the system is realized, and the dynamic characteristic of the system is improved.
Owner:JIMEI UNIV

Gearbox for oil-electric double-engine ship

The utility model discloses a gearbox for an oil-electricity double-engine ship. The gearbox comprises a box body, the diesel oil input component comprises a first input shaft, a first driving gear is sleeved on the first input shaft, and the first input shaft is provided with a first transmission gear and a first clutch; the reversing shaft part comprises a reversing shaft, a second driving gear is sleeved on the reversing shaft, the reversing shaft is provided with a second transmission gear and a second clutch, and the second transmission gear is meshed with the first transmission gear; the motor input component comprises a second input shaft, the second input shaft is sleeved with a third driving gear in an empty mode, the third driving gear is meshed with a first driven gear, the second driving gear is fixedly sleeved with the first driven gear, and the second input shaft is provided with a third clutch; the output shaft component comprises an output shaft and a second driven gear, and the second driven gear is meshed with the first driving gear and the second driving gear. According to the scheme, the diesel engine or the motor is independently used for driving, intelligent switching of the diesel engine and the motor can be achieved at any speed, oil consumption is reduced, and power performance is improved.
Owner:HANGZHOU ADVANCE GEARBOX GRP

Six-shaft simple electric control variable speed clutch sheet type electric driving system

The invention discloses a six-shaft simple electric control speed change clutch sheet type electric driving system which comprises a power input mechanism, a speed change assembly and a two-shaft power output mechanism, and a power input shaft, a speed reduction shaft assembly, a reverse gear shaft mechanism and the two-shaft power output mechanism of the speed change assembly are arranged on the periphery of a main shaft in the circumferential direction. And the structure is simple and reliable, the expansibility is excellent, and various functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power can be flexibly expanded according to actual requirements. The motor can always and efficiently keep working in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is achieved, and harmony and unification of people, vehicles, roads and running resistance / running loads are achieved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.
Owner:CHONGQING ZHIZHU TRANSMISSION IND TECH RES INST CO LTD

Combined heat and power generation system of integrated heat pump

The utility model discloses a combined heat and power generation system of an integrated heat pump. The combined heat and power generation system comprises a steam turbine system and a heat supply network water heating system. The steam turbine system comprises an intermediate-pressure cylinder, a low-pressure cylinder and a condenser; the heat supply network water heating system comprises a condenser (electric heat pump), an absorber, a condenser (absorption heat pump) and a peak heater. Heat supply network return water is connected with an evaporator heat source inlet of the absorption heat pump, an evaporator heat source outlet is connected with a condenser heat supply network water inlet of the electric heat pump, a heat supply network water outlet of the electric heat pump is connected with an absorber heat supply network water inlet of the absorption heat pump, and a heat supply network water outlet of the absorber is connected with a condenser heat supply network water inlet of the absorption heat pump. A heat supply network water outlet of the condenser is connected with a heat supply network water inlet of the peak heater, and a heat supply network water outlet of the peak heater is connected with a heat supply network to supply water for the heat supply network. By recycling more waste heat, the heat supply capacity and the total efficiency of the system are improved while the combined heat and power generation system obtains more flexible power generation load adjusting capacity.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Adjusting system and method for controlling rotating speed of automobile engine

The invention discloses an adjusting system for controlling the rotating speed of an automobile engine, and the system is characterized in that the system comprises a data collection module which collects the conventional operation parameters of the automobile engine in real time, the conventional operation parameters comprise the rotating speed, the torque, the air inflow, the oil temperature and the oil pressure, and also collects the acceleration, the gradient information, the external environment temperature and humidity of a vehicle and the driving behavior data of a driver; such as accelerator pedal depth change rate and brake frequency; the data analysis module is connected with the data acquisition module and is used for deeply mining a relationship and a potential rule in data by applying a long short-term memory (LSTM) network algorithm in deep learning and a fusion analysis method based on a physical model, identifying a real-time running state and a future change trend of the engine and intelligently diagnosing potential fault hidden dangers; the fuel injection amount and the ignition time can reach the optimal state through accurate rotation speed adjustment, fuel consumption is greatly reduced, fuel economy is improved, and expenditure is saved for users.
Owner:XINXIANG VOCATIONAL & TECHN COLLEGE

Control device and control method for national 7 diesel engine with low emission and low oil consumption

The invention discloses a low-emission and low-oil-consumption control method for a national seven diesel engine, which relates to an engine control technology and comprises the following steps: acquiring the running state and the post-processing regeneration state of a vehicle, and determining the running mode of a 48V system of the vehicle according to the running state and the post-processing regeneration state; the operation modes comprise a charging mode, a power assisting mode, a reheating mode and a light heating mode; when it is detected that the vehicle is in a DPF running regeneration state and the SOC of the power battery is larger than or equal to the minimum threshold a1, a 48V system of the vehicle enters a reheating mode; and when the SOC of the power battery is larger than or equal to the minimum threshold a1 and the temperature T6 at the outlet of the DPF is smaller than a set first temperature threshold, the 48V system of the vehicle enters a light heating mode. The invention further discloses a control device of the national seventh diesel engine with low emission and low oil consumption. According to the invention, the dynamic property of the vehicle is improved, the energy consumption is reduced, the problem of low SCR conversion efficiency under a low-temperature environment and a small-load working condition is solved, and ultralow NOx emission is realized.
Owner:GUANGXI YUCHAI MASCH CO LTD

Motor torque control method, electronic equipment, storage medium and vehicle

The invention discloses a motor torque control method, electronic equipment, a storage medium and a vehicle. The motor torque control method comprises the steps that it is determined that the vehicle is in a bumpy road condition; obtaining a wheel speed impact value according to the wheel speed of the vehicle; when the wheel speed impact value exceeds the impact value threshold value, the torque limiting torque of the motor is obtained according to the wheel speed impact value or the wheel speed impact value and the road slope; and controlling the range of the motor operation torque according to the motor torque limiting torque. According to the method, the range of the running torque of the motor can be controlled when the vehicle runs on different bumpy road conditions, hardware damage caused by the fact that a vehicle motor transmission system suffers from large impact torque is avoided, the dynamic property and safety of the vehicle are improved, and vehicle running safety accidents are avoided.
Owner:HYCET TRANSMISSION SYST (JIANGSU) CO LTD

Multifunctional amphibious rescue vehicle

The utility model relates to the technical field of rescue vehicles, in particular to a multifunctional amphibious rescue vehicle. The utility model provides a multifunctional amphibious rescue vehicle, which can realize quick rescue, and comprises a vehicle body, lifting mechanisms, outboard engine mechanisms, a chassis edge frame and a front axle mechanism, the lifting mechanisms are arranged on both sides of the rear part of the vehicle body, the two lifting mechanisms are respectively provided with one outboard engine mechanism, the chassis edge frame is arranged at the bottom of the vehicle body, and the front axle mechanism is arranged on the chassis edge frame. Front axle mechanisms are arranged on the two sides of the chassis edge frame. Through the arrangement of the planetary gear type transfer mechanism, power is transmitted to the four tires through the rear universal output shaft, the front universal output shaft, the steering knuckle arm and other parts, low-speed or high-speed driving of the four wheels of a vehicle body is achieved, the position utilization rate of a vehicle chassis and the transmission efficiency of the vehicle are improved, energy loss is reduced, and the service life of the vehicle is prolonged. Therefore, the power performance of the vehicle is improved.
Owner:GANNAN UNIV OF SCI & TECH

Driving mode switching control method and device for strong hybrid vehicle

The invention discloses a driving mode switching control method and device for a strong hybrid vehicle, and the method comprises the steps: obtaining the remaining electric quantity percentage of a power battery pack of the vehicle, and determining the electric quantity grade of the power battery pack according to the remaining electric quantity percentage; a corresponding mode switching speedometer is determined according to the electric quantity grade, the accelerator opening degree of the vehicle is obtained, and a corresponding mode switching speed threshold value is found in the mode switching speedometer according to the accelerator opening degree; the current vehicle speed of the vehicle is obtained, and mode switching is conducted on the vehicle according to the comparison result of the current vehicle speed and the mode switching speed threshold value. The problem that in the prior art, economy is poor when the driving mode switching control of the strong hybrid vehicle is carried out is solved.
Owner:JIANGLING MOTORS

Engine particulate matter emission optimization device and method, vehicle and storage medium

The invention provides an engine particulate matter emission optimizing device and method, a vehicle and a storage medium, and belongs to the technical field of vehicle energy conservation and emission reduction. The engine particulate matter emission optimizing device comprises an air storage tank, an electromagnetic valve, an engine, a particulate trap, a whole vehicle controller and an engine controller; the air supply end of the air storage tank is connected to an engine air inlet pipe through an electromagnetic valve. An engine exhaust pipe is connected to the particulate filter; the operation information of the engine air inlet pipe, the engine exhaust pipe and the particle trap is obtained in real time, the combustion efficiency is analyzed in combination with the preset algorithm, the electromagnetic valve is controlled to be switched on and off, high-pressure gas is added, the pressure and temperature of mixed gas in the engine are effectively increased, atomization and mixing of diesel oil are promoted, and the combustion efficiency is improved. When the compression stroke of the engine reaches the upper pole, diesel oil is combusted more fully, the corresponding carbon loading amount is reduced, the service life of the DPF is prolonged, meanwhile, the combustion efficiency is improved, and the fuel economy and the engine dynamic property are improved.
Owner:SINO TRUK JINAN POWER CO LTD

Automobile hybrid power system and automobile

The invention provides an automobile hybrid power system and an automobile, the automobile hybrid power system comprises a front driving force system, a rear driving force system and a power battery, the front driving force system comprises an engine, a first clutch, an input shaft gear, a front driving motor, a front driving differential component and a second clutch; the engine is connected with the first clutch, and the first clutch is connected with the front-drive motor through the input shaft gear. The input shaft gear is connected with the front-drive differential-reduction assembly, and the front-drive differential-reduction assembly is connected with a front wheel. The second clutch is arranged at a position between the first clutch and the front wheel; the rear driving force system comprises a rear driving motor and a rear driving differential reduction assembly. One end of the rear drive differential reduction assembly is connected with the rear drive motor, and the rear drive differential reduction assembly is connected with the rear wheel; the front-drive motor and the rear-drive motor are both connected with the power battery, so that series connection, parallel connection, front-drive braking energy recovery, range extension and pure electric drive modes of the engine and the front-drive motor are achieved, and the automobile enters different running modes.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Vehicle control method, electronic equipment and system

The invention relates to the field of vehicle control, and provides a vehicle control method, electronic equipment and system.The vehicle control method comprises the steps that current position information of a vehicle is obtained, and whether the vehicle is located in a power-keeping climbing geo-fence or not is judged according to the current position information; wherein the power-keeping climbing geo-fence is determined based on the position information of an overtemperature fault of a historical target vehicle, and the vehicle operation information of the historical target vehicle at the time of the overtemperature fault and the slope of the road surface where the historical target vehicle is located meet preset conditions; in response to the fact that the vehicle is located in the power-guaranteed climbing geo-fence, target electric quantity corresponding to the power-guaranteed climbing geo-fence is determined, the target electric quantity and position prompt information are sent to the vehicle, and after the vehicle receives the target electric quantity and position prompt information, a vehicle engine is controlled to charge a vehicle storage battery to the target electric quantity. Therefore, during subsequent climbing, the phenomenon that the vehicle is driven only by an engine to climb due to the fact that the electric quantity of a storage battery is too low is avoided, the electric drive system is adopted for assisting running, the risk that the engine is overheated is reduced, and the dynamic property of the whole vehicle is improved.
Owner:ZHANGJIAGANG GREAT WALL MOTOR R&D CO LTD