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654 results about "Power performance" patented technology

Complete hybrid tractor dynamic property evaluation method fusing multiple working condition parameters

The invention relates to the technical field of agricultural equipment, in particular to a hybrid tractor whole machine dynamic property evaluation method fusing multiple working condition parameters, which comprises the following steps: acquiring an environment working condition parameter set, an operation task parameter set and an energy flow dynamic parameter set in real time; a dynamic coupling relation mathematical model is constructed based on the parameter set, the whole machine dynamic property characteristic values of the steady state working point and the transient working point are calculated respectively, and a whole machine dynamic property evaluation index set is generated; inputting the evaluation index set into a hardware-in-the-loop simulation platform, and verifying the effectiveness of the evaluation indexes through multi-modal working condition simulation; and constructing a three-dimensional dynamic property evaluation map based on the verified evaluation indexes, dividing dynamic property partitions, outputting the dynamic property partitions to the vehicle-mounted intelligent terminal in real time, and generating a self-adaptive control instruction set when entering a failure area. According to the invention, multi-source information fusion modeling, all-working-condition dynamic response evaluation and visual map feedback can be realized, and the dynamic adaptability and regulation and control intelligence of the hybrid tractor in a complex operation scene are improved.
Owner:CHINA AGRI UNIV

Electric tractor with power suspension and endurance control system and method

The invention discloses an electric tractor with a power suspension and an endurance control system and method, and relates to the technical field of electric tractors, and the endurance control system comprises a data acquisition module used for acquiring target data; the control module is used for determining the distribution proportion of the driving torque of the tractor and the driving torque of the power trailer according to the driving torque required by the whole vehicle and the driving working condition of the whole vehicle when the ratio of the electric quantity of the power battery pack of the tractor to the electric quantity of the power battery pack of the power trailer is within a set proportion range; when the ratio is greater than the upper limit of the set proportion range, reducing the driving torque of the power trailer and increasing the driving torque of the tractor; when the ratio is smaller than the lower limit of the set proportion range, the driving torque of the power trailer is increased, and the driving torque of the tractor is reduced. The endurance mileage of the electric tractor is increased, and the power performance of the electric tractor is enhanced.
Owner:QIJI QUALITY (SHANGHAI) AUTOMOTIVE TECH CO LTD

New energy ship battery power control method and system

The present invention relates to a new energy ship battery power control method and a system. Each battery pack correspondingly supplies power to one bus, one bidirectional DC-DC converter is arranged between two adjacent buses to form a bus loop, and a load correspondingly draws electrical power from a corresponding bus loop segment; a power supply state of each bus area is checked, and by controlling the bidirectional DC-DC converter between buses, surplus energy of one bus is distributed to another bus having insufficient energy. According to the solution, a low DC-DC capacity configuration is achieved, energy between battery packs can be flexibly scheduled, the remaining electrical power between battery packs can be effectively balanced, the system risk is low and controllable when a bus is short-circuited, the power performance of a ship is not reduced when a single point of failure occurs, and the reliability and safety of the ship are effectively improved.
Owner:SHANGHAI MARINE EQUIP RES INST

Electric automobile motor and driver integrated intelligent cooling system and control method

The invention relates to the technical field of electric vehicle thermal management, discloses an electric vehicle motor and driver integrated intelligent cooling system and a control method, and aims at solving the problems that an existing motor driver thermal management system is low in cooling efficiency, high in energy consumption, complex and insufficient in space utilization rate. The method comprises the following steps: acquiring operation, thermal state and environment data; constructing a collaborative thermal model and predicting a thermal load; generating an optimal cooling strategy based on the predicted value and the target; the cooling liquid pump, the three-way valve and the cooling fan are adjusted, and cooling resources are dynamically distributed to achieve collaborative cooling. The system comprises a data acquisition module, a collaborative thermal model construction prediction module, an intelligent decision control module and an integrated cooling circulation execution module. By the adoption of the technical scheme, the cooling performance can be effectively improved, system energy consumption and complexity are reduced, space layout is optimized, the service life of parts is prolonged, and the reliability, the power performance and the endurance of the whole vehicle are improved.
Owner:HUBEI MALPASS POWER TECH CO LTD

Vehicle control method and apparatus, storage medium, and vehicle

PCT designated stage expiredWO2025097551A1Battery/fuel cell control arrangementPower batteryFuel cells
A vehicle control method and apparatus, a storage medium, and a vehicle, relating to the field of vehicle control. The method comprises: acquiring a state of charge (SOC) value of a power battery of a vehicle; and when the SOC value is outside a first preset interval, adjusting the current output power of a fuel cell on the basis of the SOC value, so that the SOC value is within the first preset interval. After the SOC value of the power battery of the vehicle is compared with the first preset interval, the output power of the fuel cell of the vehicle is adjusted on the basis of the SOC value, so that the SOC value of the vehicle is within the first preset interval. Thus, the output power of a fuel cell of a vehicle is controlled during operation of the vehicle, thereby avoiding a high throughput, a large temperature rise and a short service life of a power battery of the vehicle caused by a large fluctuation of an SOC value of the power battery, and a reduction in power performance of the whole vehicle under a low SOC value.
Owner:BEIQI FOTON MOTOR CO LTD

Double-motor electric drive axle vehicle control method and system

The embodiment of the invention discloses a double-motor electric drive axle vehicle control method and system. The double-motor electric drive axle vehicle control method comprises the steps that accelerator pedal opening degree information, vehicle speed information, acceleration information, battery electric quantity information and load weight information are collected in real time; according to the accelerator pedal opening degree information, the vehicle speed information, the acceleration information, the battery electric quantity information and the load weight information and a pre-established multi-parameter complex working condition judgment model, the current working mode of the vehicle is determined; and according to the current working mode of the vehicle, the working state of at least one of the engine and the two motors is adjusted in real time. According to the control method, various working condition factors can be comprehensively considered, efficient operation of the double-motor electric drive axle vehicle in various modes is accurately controlled, the double-motor electric drive axle vehicle can be kept in the optimal working state in the whole scene, the power performance and the cruising ability of the vehicle are improved, energy consumption is reduced, and the service life of the vehicle is prolonged. And the requirements of the heavy-duty commercial vehicle in diversified application scenes such as logistics transportation and engineering operation are met.
Owner:FAW JIEFANG AUTOMOTIVE CO

Control method, device and equipment of hydrogen engine and storage medium

The invention discloses a control method, device and equipment of a hydrogen engine and a storage medium. The control method comprises the steps that the engine rotating speed and the engine torque are obtained; under the transient working condition of the engine, the operation area of the engine is determined according to the engine rotating speed and the engine torque; and controlling the driving motor, the mechanical transmission assembly or the exhaust gas turbine according to the operation area. According to the technical scheme, the engine rotating speed and the engine torque are obtained in real time, the operation area of the engine is judged, different supercharging modes are determined through the waste gas turbine, the driving motor and the mechanical transmission assembly according to the operation area of the hydrogen engine, the problem that the transient dynamic performance is poor is effectively solved, and the application range is wide. The transient dynamic performance of the hydrogen internal combustion engine is improved, and efficient cleaning application is achieved.
Owner:WEICHAI POWER CO LTD

Multivariable cooperative control method for dual-fuel engine

The invention relates to an intelligent control technology of an internal combustion engine, in particular to a multivariable cooperative control method of a dual-fuel engine, which realizes dynamic optimization matching of fuel injection and an air system through deep reinforcement learning and multivariable decoupling control technologies. According to the method, a dual-fuel engine multivariable cooperative control system based on deep reinforcement learning and dynamic decoupling is constructed, the dual-fuel engine multivariable cooperative control system is composed of an air system control layer, a multivariable decoupling layer and a fuel injection control layer, and the air system control layer controls the fuel injection control layer through a TD3-PID algorithm according to the vehicle speed, the vehicle speed and the vehicle speed. The rotating speed N, the torque T, the common rail pressure Prail, the fuel temperature Tfuel and the mixed fuel density rho mix are operated in real time to serve as state variables, data are collected and processed, and the dynamic adjustment amount of the electronic throttle valve is obtained; by means of a PSO-PID decoupling mechanism and a DDPG-PID intelligent control algorithm, decoupling regulation and control over the dual-fuel dynamic ratio, the EGR rate and the supercharging pressure according to working condition changes are achieved, the economical efficiency, the emission performance and the dynamic performance of the dual-fuel engine under the dynamic operation working condition are remarkably improved, and the method has the advantages of being high in self-adaptive capacity and high in robustness.
Owner:HARBIN INST OF TECH AT WEIHAI

Intersection vehicle converging control optimization method and system for extended-range power distribution vehicle

The invention relates to an intersection vehicle converging control optimization method and system for an extended-range power distribution vehicle. The method comprises the following steps: identifying and marking all high-power road sections in a predetermined driving route; calculating a required power value of each high-power road section, performing association, and obtaining a dynamic execution SOC threshold value corresponding to each high-power road section based on the required power value; detecting a real-time SOC threshold value of the battery according to a high-power road section which is about to arrive, and controlling the battery to output power according to an associated demand power value before the vehicle drives into the high-power road section under the condition that the real-time SOC threshold value is higher than a corresponding dynamic execution SOC threshold value; and under the condition that the real-time SOC threshold value is lower than the corresponding dynamic execution SOC threshold value, before the vehicle drives into the high-power road section, a range extender of the vehicle is started, and the range extender is controlled to independently output power or output power together with a battery according to the required power value. The method has the effect of improving the power performance of the vehicle in a specific scene.
Owner:SHENZHEN DAWEI HONGDE AUTOMOBILE IND CO LTD

Working regulation and control method and system for high-temperature adiabatic compressed air energy storage system

The invention provides an acting regulation and control method and system for a high-temperature adiabatic compressed air energy storage system. The method comprises the steps that S1, a power grid load instruction is obtained; s2, inputting a power grid load instruction to obtain a salt cavern outlet pressure prediction value by using an LSTM-based neural network prediction model; s3, according to the power grid load instruction and the salt cavern outlet pressure prediction value, the salt-gas heat exchanger fused salt flow, the water-gas heat exchanger water flow and the air flow corresponding to the optimal efficiency of the unit are determined; s4, determining corresponding given values of the opening degree of the fused salt regulating valve, the rotating speed of the water pump and the opening degree of the air valve; and S5, according to the given values and the measured values of the molten salt regulating valve opening, the water pump rotating speed and the air valve opening, the deviation DV of the molten salt regulating valve opening, the water pump rotating speed and the air valve opening is determined, and the power grid load instruction requirement is met through control. The problem that the system efficiency is difficult to predict is solved, and a basis is provided for regulation and control of the high-temperature adiabatic compressed air energy storage system.
Owner:SOUTHEAST 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

Dynamic adjusting method for engine exhaust gas recirculation control

The invention relates to the technical field of engines, in particular to a dynamic adjusting method for engine exhaust gas recirculation control, which comprises the following steps: S1, collecting multi-source data in real time; s2, data preprocessing and feature extraction; s3, constructing an EGR dynamic model; s4, performing intelligent decision making and hierarchical regulation and control; s5, evaluating and feeding back the regulation and control effect in real time; through multi-source data fusion and an intelligent algorithm, millisecond response and dynamic self-adaptive adjustment of the EGR rate are achieved, the problem of lag of a traditional control strategy is solved, and the response speed and the control precision of the system are improved; according to the hierarchical regulation and control strategy based on reinforcement learning, NOx emission reduction, power performance maintenance and fuel economy improvement are considered, and performance imbalance caused by single target optimization is avoided; environmental factor data is introduced to participate in model calculation, so that the EGR system can keep the optimal working state under the conditions of different temperatures, altitudes and the like, and the technical application range is widened.
Owner:HUBEI FENGLIN RENEWAL RESOURCE CO LTD

Hybrid airport fire truck chassis operation control system

The invention discloses a hybrid airport fire fighting truck chassis operation control system, which comprises a chassis frame, a water pump, a power battery and a vehicle control unit, and further comprises a diesel engine mounted on the chassis frame; the power takeoff is connected with the diesel engine; the AT gearbox is also connected with the diesel engine; the AT gearbox is connected with the input end of the power transfer case through a transmission shaft; and the driving motor is connected with the input end of the power transfer case through a speed reducer. The problems that a traditional chassis is single in power source, vehicle in-out garage emission waste gas treatment and driving power take-off are solved, the problem that a vehicle cannot run when an engine breaks down or a motor breaks down is solved, and the problems that the whole vehicle is insufficient in power performance and poor in economical efficiency are solved.
Owner:WUHU LINGHANG AUTOMOBILE TECHNOLOGY CO LTD

Double-motor electric drive assembly

The invention discloses a double-motor electric drive assembly which comprises a main drive motor, an auxiliary drive motor, an inverter assembly, an integrated speed reducer, a power disengaging mechanism, a left side transition half shaft assembly, a right side transition half shaft assembly and a lubricating assembly. The integrated speed reducer forms power transmission with the main driving motor and the auxiliary driving motor at the same time, the power disengaging mechanism is installed between the auxiliary driving motor and the integrated speed reducer, and the inverter assembly is electrically connected to the main driving motor and the auxiliary driving motor and erected above the integrated speed reducer. According to the device, the problem that an existing electric vehicle cannot give consideration to dynamic property, economical efficiency and gear shifting smoothness at the same time is solved, and meanwhile by adopting the planet wheel type differential mechanism and adding the transition half shaft assembly, the whole electric drive can be more compact and has better adaptability.
Owner:AVL LIST TECHN CENT SHANGHAI

Power control method for hybrid power engineering vehicle and engineering vehicle

The invention discloses a power control method for a hybrid power engineering vehicle and the engineering vehicle. The hybrid power engineering vehicle comprises a range extender system and a power battery. The method comprises the steps that vehicle working condition information and the charge state of a power battery are obtained; determining a current applicable power distribution mode according to the vehicle working condition information and the charge state; the power distribution mode refers to a control strategy for managing the output power of the range extender system and the power battery; and executing a power distribution mode to coordinate the output power of the range extender system and the power battery. Thus, based on the real-time running state and the energy state of the vehicle, the most suitable energy control strategy is dynamically and intelligently determined and executed, it can be ensured that instantaneous power outbreak and long-term fuel consumption economy can be flexibly considered in the vehicle running process, the balance between the power performance and the economy of the whole vehicle is achieved, and the vehicle safety is improved. And the energy management efficiency and the energy utilization level of the whole vehicle are improved.
Owner:ZOOMLION MINING MACHINERY (CHANGSHA) CO LTD

Method and device for controlling gear shifting, vehicle and storage medium

The invention provides a gear shifting control method and device, a vehicle and a storage medium, the method is applied to the field of power control, and the method comprises the steps that under the condition that a gear shifting instruction of a first axle of the vehicle is received, whether the vehicle meets a preset condition for restraining target gear shifting logic of the first axle or not is judged; and under the condition that it is determined that the vehicle meets the preset condition, the target gear shifting logic is restrained. According to the method, the existing front axle and rear axle gear shifting logic can be restrained under certain conditions, so that the gear shifting logic is more flexible, the power performance of the vehicle is guaranteed, and the driving experience of a user is improved.
Owner:GREAT WALL MOTOR CO LTD

Multi-strategy cooperative self-optimal hybrid power energy management control method and system

The invention provides a multi-strategy cooperative self-optimal hybrid power energy management control method and system. The method comprises the following steps: S1, collecting vehicle driving data to construct a multi-dimensional state space; s2, defining a mixed action space of engine torque and motor torque, and constraining an action feasible region; s3, constructing a multi-target reward function of electric energy balance and demand torque following; s4, constructing a dual-network architecture by adopting a depth deterministic strategy gradient algorithm, constraining an output action and an action search space by using expert priori knowledge, and playing back and generating a reference control instruction through priority experience; and S5, performing rolling optimization on the reference control instruction by using model predictive control, and outputting the optimized reference control instruction. The technical problems that a traditional hybrid power energy management system cannot automatically tend to be optimal, and fuel economy, dynamic property and control smoothness are difficult to consider at the same time are solved, fuel consumption is effectively reduced, and meanwhile the good dynamic response characteristic is guaranteed.
Owner:SHANGHAI JIAOTONG UNIV +2

Container transport ship

The utility model discloses a container transport ship, and belongs to the technical field of ships, and the container transport ship comprises a ship body used for loading containers; the tail vane is mounted at the bottom of the stern end of the hull; the propeller is installed at the bottom of the stern end of the ship body, the propeller is set to be of a fixed pitch, and the propeller is used for providing advancing thrust; wherein the tail vane is closer to the end part of the ship body relative to the propeller, a bulge is arranged at the end part of the tail vane opposite to a middle shaft of the propeller, the surface of the bulge is an arc-shaped surface, and a gap is formed between the bulge and the end part of the middle shaft of the propeller. According to the invention, the fuel consumption is reduced, better power performance can be realized, meanwhile, the pollutant emission in the sailing process is also effectively reduced, and the low-carbon requirement is met.
Owner:WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD

A multi-directional joint module for a robot

The application provides a multi-directional joint module for a robot, and relates to a robot joint, which comprises a first rotating assembly having an end face gear rotating about a first axis, a second rotating assembly arranged on the first rotating assembly and rotating about a second axis, the first axis being orthogonal to the second axis, the second rotating assembly comprising a second rotating shaft, a first lateral gear being fixed on the second rotating shaft and engaged with the teeth of the end face gear, and an output unit being fixedly connected with the second rotating shaft and rotating about the second axis, the output unit being capable of realizing multi-directional rotation in a plane perpendicular to the first axis through the combined motion of the first and second rotating assemblies. Thanks to the central symmetrical arrangement of the second rotating assembly and the supporting assembly, the power performance and load capacity are significantly improved, and high integration and space utilization are realized.
Owner:HUNAN UNIV OF SCI & TECH +1

Method for dynamically adjusting maximum power and torque of vehicle

The invention provides a method for dynamically adjusting the maximum power and torque of a vehicle. The method comprises the steps that multi-dimensional data related to driver behaviors, vehicle states and environmental factors are obtained; performing weighted calculation based on the multi-dimensional data to obtain a comprehensive score of the driver; determining the risk level of the driver according to the comprehensive score; and dynamically adjusting the maximum power and / or torque output by the vehicle according to the risk level. According to the method, a comprehensive driver risk assessment system is constructed, multi-dimensional information such as driver behaviors, historical records, vehicle health conditions and real-time environments is integrated, a more scientific and more accurate risk assessment model is constructed, and a safety assessment result is directly linked with vehicle power performance, so that the risk assessment efficiency is improved. Therefore, active intervention on high-risk driving behaviors is realized, accidents caused by power abuse are reduced from the source, the driving safety is effectively improved, and the accident rate is reduced.
Owner:DONGFENG MOTOR GRP

Coreless motor for electric tool and motor stator manufacturing method

The invention relates to a coreless motor for an electric tool and a manufacturing method. According to the coreless motor for the electric tool and the manufacturing method, the split type stator iron core is adopted, so that the assembling process can be greatly simplified, the power performance of the motor is remarkably improved by shaping and stacking the coils, pressing the coils into the stator and filling and sealing the coils, the winding thickness and the coil density are greatly increased, and the power performance of the motor is improved. Therefore, higher torque output and power density are obtained, and meanwhile, the inherent high rotating speed characteristic of the coreless motor is kept; and secondly, the split type structure breaks through the limitation of a traditional overlapping winding process, the original complex winding and shaping process becomes simple and controllable through a modular assembly mode, and the production efficiency and the product consistency are greatly improved.
Owner:WUHAN NORCO POWER TECH CO LTD

Hybrid power system of motorcycle

The utility model discloses a hybrid power system of a motorcycle, which comprises an engine, one end of a crankshaft component of the engine is connected with a clutch, the other end of the crankshaft component of the engine is connected with a starting and starting integrated motor, and a driven disc of the clutch is in transmission connection with a driving motor. An output shaft of the driving motor is in transmission connection with a rear wheel of the motorcycle through a speed reducer gear shaft assembly, and the starting and starting integrated motor and the driving motor are electrically connected with the storage battery. The utility model has the advantages that one end of the crankshaft component is connected with the clutch, the other end of the crankshaft component is connected with the starting integrated motor, the clutch, the crankshaft and the starting integrated motor are coaxially arranged, the structure is compact and reasonable, and the speed reducer gear shaft component in transmission connection with the rear wheel of the motorcycle is connected with the driving motor; according to the hybrid power system, the motorcycle has multiple modes through separation and reunion of the clutch, the power performance can be improved, and the purposes of energy conservation and emission reduction are achieved.
Owner:NINGBO JUFENG AUTOMOTIVE TECHNOLOGY CO LTD

Hybrid all-terrain vehicle

The utility model belongs to the technical field of all-terrain vehicle power, and particularly relates to a hybrid all-terrain vehicle which comprises an engine. A crankshaft of an engine is connected with a generator, an engine connecting shaft gear is connected with one end of a clutch, the other end of the clutch is connected with a drive input shaft gear, the drive input shaft gear is in power connection with a drive motor, and the drive motor is meshed with the drive input shaft gear through a drive output shaft gear so as to transmit power to a front drive axle and a rear drive axle. The clutch is an embedded clutch and is embedded in a rotor of the driving motor; various driving modes such as pure electric driving, engine hybrid power and series connection range extending can be achieved, the power performance and fuel economy of the whole vehicle are improved, the maintenance cost of CVT belt replacement is saved, the reliability and transmission efficiency of a power system are improved, meanwhile, the requirements for the battery performance, the capacity, the cost and the weight are reduced, no endurance anxiety exists in field cross-country, and the power system is suitable for large-scale popularization and application. And the experience feeling is better.
Owner:KUNTAI VEHICLE SYST CHANGZHOU CO LTD

Dual-motor parallel joint assembly of wheel-foot robot

The double-motor parallel joint assembly comprises a shank joint framework, a first running motor, a second running motor, a torque superposition component and running rolling wheels, a mounting cavity is formed in the bottom of the shank joint framework, the first running motor and the second running motor are both fixed in the mounting cavity, and the first running motor and the second running motor are arranged in the mounting cavity. A rotating shaft of the first driving motor and a rotating shaft of the second driving motor are both connected with the input end of the torque superposition part, and the output end of the torque superposition part is connected with the driving rollers. The first driving motor and the second driving motor are arranged, and the torque superposition part is arranged to realize parallel operation of the first driving motor and the second driving motor, so that the output torques of the two driving motors are superposed, and the output torque of the roller is improved; the robot can overcome larger friction force and resistance when climbing, crossing obstacles or moving on the uneven ground, and the power performance of the robot is enhanced.
Owner:GUANGDONG MILITARY IND GROUP BEIJING TECHNOLOGY RESEARCH INSTITUTE CO LTD +1

Multi-mode multifunctional double-motor electric drive axle, control method and commercial vehicle

The invention discloses a multi-mode multifunctional double-motor electric drive axle, a control method and a commercial vehicle. Comprising a first motor, a first speed reducing mechanism connected with the first motor, a second motor, a second speed reducing mechanism connected with the second motor, a first-gear driven gear, a second-gear driven gear, a planetary speed reducing mechanism III, a differential mechanism, an axle output shaft and a power takeoff. The first speed reducing mechanism and the second speed reducing mechanism are symmetrically arranged on the front side and the rear side of left and right half shafts of an axle output shaft. The first speed reducing mechanism and the second speed reducing mechanism share the first-gear driven gear, the second-gear driven gear, the planetary speed reducing mechanism III and the differential mechanism. The electric drive axle structure is symmetrically arranged, mass distribution is reasonable, and vibration caused by offset is avoided; the second-gear transmission stage is two-stage transmission and is directly output to a wheel end, so that the transmission efficiency is high; the first speed reducing mechanism and the second speed reducing mechanism can obtain multiple gear modes through switching, so that the dynamic property and the comprehensive efficiency of the electric drive axle are optimal, and the running requirement of the whole vehicle working condition is met.
Owner:JIANGSU GUOINNOVATION ENERGY COMMERCIAL VEHICLE INNOVATION TECHNOLOGY CO LTD

Turbojet power system of multi-rotor unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicles, in particular to a turbojet power system of a multi-rotor unmanned aerial vehicle, which comprises a turbojet engine, a fuel supply module, an electronic control unit, an air inlet flow guide structure, an exhaust flow guide structure, a cooling module, a damping bracket, a quick disassembly and assembly interface, a redundant backup system and an energy recovery module, according to the multi-rotor unmanned aerial vehicle, the power performance of the multi-rotor unmanned aerial vehicle is improved by replacing a traditional motor with the micro turbojet engine, so that the unmanned aerial vehicle can obtain longer endurance time under the condition of carrying the same load, and particularly, the unmanned aerial vehicle can still keep stable power output in extreme environments such as high altitude or high temperature; the problem of power attenuation caused by thin air or poor heat dissipation of the motor is solved, multi-degree-of-freedom thrust direction adjustment is achieved through the design of the deflectable nozzles, and the unmanned aerial vehicle can still keep accurate flight attitude control under severe environment conditions such as strong wind.
Owner:JIANGSU PENGYU AVIATION TECHNOLOGY CO LTD

Hybrid power drive system and vehicle

A hybrid power drive system (100), comprising: an engine (10), a driving shaft (20), first electric motors (40), second electric motors (60), a planetary gear mechanism (30), and a limiting unit (50). The second electric motors are transmittingly connected to the driving shaft; the planetary gear mechanism comprises a first rotating member (31), a second rotating member (32), and a third rotating member (33) that can rotate coaxially; the first rotating member is connected to an output end of the engine, the second rotating member is transmittingly connected to the driving shaft, and the third rotating member is connected to the first electric motors; and the limiting unit is configured to limit the transmission of torque from the first electric motors to the engine and to form a torque transmission path between the first electric motors and the driving shaft. The system can ensure the power performance and economy of vehicles. In addition, the present invention further relates to a vehicle (200).
Owner:BYD CO LTD

Hybrid power control strategy method and system for mining dump truck and related equipment

The invention provides a hybrid power control strategy method and system for a mining dump truck and related equipment, and relates to the technical field of new energy saving. The mining dump truck comprises a high-power engine, a medium-and-small-power engine and a power battery pack which serve as hybrid power sources; the method comprises the following steps: acquiring the whole vehicle power demand of the mining dump vehicle and the charge state of a power battery pack; and controlling the charging and discharging strategies of the high-power engine, the medium-and-small-power engine and the power battery pack based on the power demand and the charge state of the whole vehicle. The power battery can be used for energy supplement and regeneration recovery, and the energy-saving effect is remarkably improved on the premise that the power performance is guaranteed.
Owner:DATONG ELECTRIC LOCOMOTIVE OF NCR +1

Fuzzy control-based extended-range commercial vehicle energy management method

The invention relates to an extended-range commercial vehicle energy management method based on fuzzy control. The method comprises the steps that according to the SOC of a power battery, the working mode of the vehicle is divided into a power enhancement mode and an electric quantity maintaining mode; different fuzzy controllers are applied in different vehicle working modes, the battery SOC decline rate and the driving motor demand power serve as the input control quantity of the fuzzy controllers, and the auxiliary unit demand power serves as the output control quantity of the fuzzy controllers; performing fuzzy representation on the input control quantity and the output control quantity, establishing a fuzzy control rule base by taking optimization of the required power of the auxiliary unit as a target, and reasonably outputting the required power of the auxiliary unit; according to the method, the high-power demand scene of the range extender and the scene that the battery electric quantity is low and has the charging demand are comprehensively considered, the influence of the battery SOC reduction rate and the drive motor demand power on energy management is comprehensively considered, and the dynamic property and economical efficiency of the whole vehicle can be improved.
Owner:BAOJI HUSN ENG VEHICLE +1

Vehicle control method and device

The invention discloses a vehicle control method and device, and the method comprises the steps that a vehicle control device can adjust a vehicle to a target mode, and the anti-carsickness function of the vehicle in the target mode is in an enabled state; the anti-carsickness function presets a human body whole body vibration measurement evaluation index in a corresponding preset range, and the human body whole body vibration measurement evaluation index is associated with at least one of the following items: a frequency weighted acceleration value, a frequency weighted acceleration root-mean-square value, a maximum transient vibration value MTVV, a motion sickness dose value MSDV or a vibration dose value VDV; and adjusting the torque of the vehicle to enable the whole body vibration measurement evaluation index to be within a corresponding preset range. Therefore, on the premise of responding to the real driving intention of the driver, the output torque is adjusted to relieve the carsickness feeling of passengers, and the purpose of considering the real driving intention of the driver and the dynamic property of the vehicle is achieved.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD