5391results about "Hybrid vehicles" patented technology

This application discloses a method, system, and related equipment for intelligent energy management of new energy vehicles. Based on the vehicle's starting and ending points, at least one candidate energy-saving path is determined. The predicted energy consumption of the vehicle along at least one candidate energy-saving path is lower than that of other paths. The total energy consumption is predicted based on road condition information and energy consumption impact information for each path. In response to the selection of at least one candidate energy-saving path, a preset travel route is determined. The preset travel route includes multiple road segments, and the total energy consumption includes the energy consumption of each road segment. With the goal of minimizing fuel consumption along the preset travel route, the engine's operating state is controlled based on the initial state of charge (SOC) of the power battery in each road segment, the energy consumption of the road segment, and the vehicle's actual overall demand, ensuring the engine operates within its high-efficiency range. Using this application can reduce fuel consumption for users and improve the driving experience.

The invention discloses a multi-mode energy recovery optimization control system of a hybrid electric vehicle, and relates to the technical field of energy recovery control. The state sensing module is integrated with a sensor to collect vehicle speed, acceleration, battery state and road condition signals, and data accuracy is ensured through Kalman filtering fusion; the driving mode recognition module is used for recognizing modes such as urban congestion and high-speed cruise through an algorithm based on driving behaviors and road conditions; the energy recovery strategy decision module is used for dynamically adjusting recovery priorities and parameters according to different modes, and balancing efficiency and smoothness; the power distribution execution module converts and stores energy through cooperative control of double clutches and a gearbox, and is linked with an ABS (Anti-lock Brake System) to guarantee safety; and the feedback module is optimized in real time, battery and motor states are monitored, strategies are dynamically corrected, and efficiency and component protection are both considered. The energy recovery efficiency is improved, the driving smoothness and the braking safety are improved, the system adapts to multiple scenes, the service life of the battery is prolonged, and the performance of the hybrid electric vehicle is comprehensively improved.

The invention provides a gear switching method, a vehicle and a storage medium, the method is applied to the technical field of hybrid power control, and the method comprises the steps that in the process that the vehicle runs based on a direct drive mode, if it is determined that the vehicle needs to switch gears, the whole vehicle driving power corresponding to the direct drive mode and the discharging power of a power battery are determined; based on the whole vehicle driving power, the discharging power and the gear change state of the vehicle, a target torque reduction gradient is determined; based on the target torque reduction gradient, the actual torque of the engine is controlled to be reduced to the target torque; and under the condition that the actual torque of the engine is equal to the target torque, the clutch is controlled to be in an open state, so that the vehicle is shifted under the condition that the clutch is in the open state. The method can ensure that the power is not interrupted in the vehicle gear shifting process, the vehicle stability is improved, and the user driving experience is improved.

The invention discloses a new energy automobile hybrid power system cooperative control device and method.The new energy automobile hybrid power system cooperative control device comprises a multi-source data collection module, a cooperative control center and an execution unit, and the multi-source data collection module transmits collected information data to the cooperative control center; the cooperative control center comprises a data fusion unit, an energy management module, a heat management module and a cooperative decision-making unit, the data fusion unit receives data information of the multi-source data acquisition module, carries out fusion processing, and transmits the data information to the energy management module and the heat management module; the energy management module and the heat management module output a control strategy to the collaborative decision-making unit, and the collaborative decision-making unit judges a correction strategy and then sends a control instruction to the execution unit. The method has the advantages that cooperative control of energy management and heat management is achieved, various dimension data of road conditions, driving behaviors, power states and heat source states are fused, the problem of system unbalance caused by single module optimization is solved, and dynamic cooperation of energy management and heat management is achieved.

A new energy vehicle energy intelligent management method and system, and a related device. The method comprises: determining at least one candidate energy-saving path on the basis of a starting point and an ending point of a vehicle, wherein path-based vehicle energy consumption predicted on the basis of the at least one candidate energy-saving path is lower than path-based vehicle energy consumption predicted on the basis of other paths, and the path-based vehicle energy consumption is predicted on the basis of road condition information of each path and energy consumption impact information; in response to a selection operation on the at least one candidate energy-saving path, determining a preset travel path, wherein the preset travel path comprises a plurality of road sections, and the path-based vehicle energy consumption comprises road section-based vehicle energy consumption of the plurality of road sections; and by taking the minimization of fuel consumption along the preset travel path as an objective, controlling an operation state of an engine on the basis of an initial SOC of a power battery and the road section-based vehicle energy consumption at each road section and an actual vehicle demand of the vehicle, so that the engine is in an efficient operation range during operation.

An intelligent energy management system, includes: a drive device including an engine configured to output power to a wheel of the vehicle, a drive motor configured to output power to the wheel, and an electric generator connected to the engine and driven by the engine to generate electricity; a power battery configured to supply electricity to the drive motor and charged with an alternating current outputted from the electric generator or the drive motor; and a control device configured to acquire multi-domain data fusion information, predict, according to the multi-domain data fusion information, a route-specific vehicle energy consumption corresponding to a preset travel route, plan, according to a road section-specific vehicle energy consumption corresponding to each road section, a target SOC corresponding to each road section, and control, according to the target SOC and an actual vehicle demand corresponding to each road section, the drive device.

The invention relates to the technical field of vehicle control, in particular to a torque control method and device of a vehicle transmission system and electronic equipment. The method includes: acquiring actually measured torsion angular velocity; calculating a transmission shaft torsion angular velocity, a transmission shaft torsion angle and a transmission shaft torsion rotating speed based on the actually measured torsion angular velocity; calculating the torque of the transmission shaft based on the pre-obtained equivalent damping coefficient and equivalent torsional rigidity as well as the calculated torsion angular velocity and torsion angle of the transmission shaft; calculating the required torque of the driven shaft based on the calculated torque of the transmission shaft and the pre-obtained load torque of the wheel end; anti-oscillation compensation torque is calculated according to the calculated torsion rotating speed of the transmission shaft and the pre-obtained rotational inertia of the driving end and the equivalent damping coefficient; and superposing the anti-oscillation compensation torque at the previous moment to the calculated required torque of the driven shaft to obtain the compensated required torque of the driven shaft, and outputting the compensated required torque of the driven shaft. The torque can be accurately controlled, and pause or movement is avoided.

The invention discloses a vehicle control method, device and equipment, a medium and a product, and relates to the field of new energy automobiles. A discrete scheme matrix corresponding to the target vehicle is obtained, and the total equivalent fuel consumption corresponding to the discrete scheme matrix is calculated based on the state information of the target vehicle; determining a target total equivalent fuel consumption from the at least one total equivalent fuel consumption based on Hamiltonian calculation; and controlling the target vehicle based on the state information corresponding to the target total equivalent fuel consumption. According to the technical scheme, at least one total equivalent fuel consumption is determined through the constructed discrete scheme matrix, the optimal value is determined to control the target vehicle, the optimal fuel consumption value can be rapidly calculated in real time based on the state information of the vehicle, and effective management control over vehicle energy is achieved.

An AI-connected-electrified (ACE) heavy truck system equipped with an intelligent multi-mode hybrid (iMMH) powertrain system and a vehicle supervision control strategy based on machine learning (ML) or reinforcement learning (RL) paradigm are presented. This system ensures industry-leading power and braking performance of the ACE heavy truck while automatically optimizes both energy saving and emission reduction based on the vehicle's dynamic driving data and 3D electronic map information of roads for any transport event. In this application, the conventional analog electronic control (AEC) method is replaced by a novel digital pulse control (DPC) method on the instantaneous power function of the engine. The DPC method converts the complex surface working conditions of the AEC engine of the hybrid vehicles into simpler pre-defined working condition lines of the DPC engine. Consequently, the multi-variable nonlinear technical problem of simultaneously optimizing real driving environment (RDE) fuel consumption and pollutant emissions of the ACE heavy truck is simplified into two decoupled quasi-liner optimization problems, and ensures the reduction of on-vehicle computing resources for real-time AI inference computation and the improvement of the optimal performance, the convergent rate, and the robustness of the corresponding fuel-saving algorithm for the trained ML model or the learned RL model. Ultimately, the ACE truck achieves in the engineering sense the global minimum RDE fuel consumption and pollutant emissions meeting the standard consistently at high performance to cost ratio for any transport event and the RDE fuel consumption is decoupled from the vehicle configuration parameters and the human driver.

The invention relates to the field of vehicle control, and particularly discloses a tractor hybrid power cooperative control method, system and device and a medium, and the method comprises the steps: collecting state parameters of a whole vehicle, an agricultural implement and a power system in real time, employing a fusion rule and a real-time optimized energy management strategy to analyze an operation mode, and calculating an initial power distribution target; dynamic coordination is carried out by taking optimal system efficiency and battery state maintenance as targets, smoothness verification and closed-loop feedback correction are carried out on an output instruction, and a final control instruction is generated, issued and executed; the system correspondingly comprises a perception analysis module, a decision making module, a coordination verification module, an execution module and a learning evolution module. By constructing full-link closed-loop control, self-adaptive dynamic optimization and reliable cooperation of the power system are achieved, the online learning ability is achieved, the problems that in a traditional method, control is extensive, response is delayed, and self-adaptability is lacked are effectively solved, and the operation economical efficiency, smoothness and long-term adaptability of the tractor are improved.

The invention provides a vehicle energy management method and system and a vehicle, and belongs to the technical field of vehicles, and the method comprises the steps: transmitting vehicle identification information to a cloud after the vehicle is powered on, enabling the cloud to obtain the historical driving data of the vehicle based on the vehicle identification information to obtain driving route data, and training a preset first energy management model, target model parameters are obtained, and then a target energy management model is obtained; and determining a target driving route from the plurality of historical driving routes through the application core based on the route data of the plurality of historical driving routes and the current working condition data of the vehicle, and obtaining control parameters for controlling the vehicle to drive on the target driving route based on the target energy management model and the feature data corresponding to the target driving route, and the control parameters are sent to the execution core so that the execution assembly can control the vehicle based on the control parameters. Through the method provided by the invention, the inherent defects of a traditional fixed strategy and a single deployment architecture can be overcome.

The invention discloses an extended-range hybrid power system and a control method therefor, and a crane, and belongs to the technical field of construction machinery. The extended-range hybrid power system comprises a power battery, an all-in-one controller, a first motor, a second motor and an engine, wherein the first motor is connected to a lower traveling mechanism; the engine is connected to the second motor, and the second motor is connected to an upper operating mechanism; the power battery, the first motor and the second motor are connected to the all-in-one motor, and the all-in-one motor is connected to an external power supply.

The invention provides a mode switching method, a vehicle and a storage medium, the method is applied to the technical field of hybrid power control, and the method comprises the steps that under the condition that a control instruction for switching a driving mode of the vehicle from a direct driving mode to a series connection mode is received, the direct driving mode is switched to the series connection mode; the method comprises the following steps: determining the discharge power of a power battery of a vehicle and the whole vehicle driving power of the vehicle, determining a target interval where the whole vehicle driving power is located based on the discharge power of the power battery and the whole vehicle driving power, determining a target torque reduction gradient corresponding to the target interval, and then determining the torque reduction speed of the vehicle based on the target torque reduction gradient. And the actual torque of the engine is controlled to be reduced to the target torque, and under the condition that the actual torque of the engine is equal to the target torque, the clutch is controlled to be in an open state, so that the driving mode of the vehicle is switched to the series connection mode from the direct drive mode. According to the method, the torque can be reduced gently, and power interruption caused by the fact that the engine torque is directly reduced to zero is avoided.

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

The invention relates to the technical field of intelligent switching, in particular to a multi-mode dynamic coupling intelligent switching method and system based on road condition recognition and a vehicle. The method comprises the steps that gradient, vehicle speed, accelerator and brake signals are collected in real time, and a multi-dimensional feature vector fusing driving habits is constructed after preprocessing; a real-time road condition label is automatically generated through unsupervised clustering, and the clustering effectiveness is verified online by using a contour coefficient. Enabling the road condition label and the current power mode to form a system state, and inputting the system state into a self-learning decision network based on reinforcement learning; and the network updates the state-action value matrix through a reward function in a time sequence difference mode, and outputs a target power mode with the highest accumulated reward. And calculating the motion confidence coefficient of the target mode based on the value matrix, if the motion confidence coefficient exceeds a threshold value, generating a switching instruction, and smoothly adjusting the torque by an execution mechanism through a torque transition algorithm to realize impact-free switching. Automatic road condition recognition, self-adaptive decision making and non-inductive execution are achieved, and smoothness and adaptability are improved.

A hybrid system for use with utility vehicles includes an electric motor including an output shaft and a conductor configured to alternatively receive power from or send power to an electrical power source. The hybrid system includes an internal combustion engine, a first pulley connected to and rotated by the internal combustion engine, and a clutch mechanism. The clutch mechanism includes a ratchet connected to the output shaft of the electric motor to rotate at a first rotational speed, a pawl carrier driven by the internal combustion engine to rotate at a second rotational speed, and one or pawls coupled to and configured to rotate with the pawl carrier. The one or more pawls are configured to be disengaged from the ratchet when the first and second rotational speeds differ and engaged with the ratchet when the first and second rotational speeds are equal.

The invention discloses a vehicle control method, device and equipment, a storage medium and a product, which are applied to the technical field of vehicle control, and the method comprises the following steps: if a short-range data transmission channel and a screen projection transmission channel are established between a mobile terminal and a vehicle terminal integrated with interconnection software, obtaining first vehicle data transmitted by the vehicle terminal through the short-range data transmission channel; based on the first vehicle data, generating a handcart interconnection page which is adaptive to a vehicle machine display screen of the vehicle machine end and has a super space in a super space module of the mobile end, and projecting the handcart interconnection page to the vehicle machine display screen through a screen projection transmission channel; obtaining a touch event which is reported by the vehicle terminal through the short-range data transmission channel and aims at the handcart interconnection page; and determining a vehicle control instruction corresponding to the touch event, and sending the vehicle control instruction to the vehicle terminal through the short-range data transmission channel by using the target message transmission protocol, so that the vehicle terminal transmits the vehicle control instruction to an execution unit corresponding to the vehicle control instruction for instruction execution after receiving the vehicle control instruction.

A unit includes: a rotary electric machine; a first gear connected downstream of the rotary electric machine; a second gear configured to mesh with the first gear; and a shaft connected downstream of the second gear. The shaft includes a first output end and a second output end. The rotary electric machine and the first gear are arranged on a first axis. The second gear, the shaft, the first output end, and the second output end are arranged on a second axis. The second gear is disposed to be sandwiched between the first output end and the second output end.

To provide a work vehicle with a hybrid transmission that shifts power from an engine to output to a front traveling unit which can extend forward, while unnecessitating shape change of a transmission case and preventing circulation of lubricant between an electrically-driven transmission chamber and a gearwheel transmission chamber, a front transmission shaft from the gearwheel transmission part.SOLUTION: A work vehicle comprises: an electrically-driven transmission chamber 16; a transmission case 11 which forms a gearwheel transmission chamber 17 positioned at the rear side of the electrically-driven transmission chamber 16 and is to be a partition between the gearwheel transmission chamber 17 and the electrically-driven transmission chamber 16; a front transmission shaft 70 which extends forward from the gearwheel transmission part to perform power transmission to a front traveling device; and a cylindrical member 73 which is arranged in the transmission case 11 to form a power transmission path 74 separated from the electrically-driven transmission chamber 16 passing through the electrically-driven transmission chamber 16 in a cross direction in which the front transmission shaft 70 passes through the power transmission path 74.SELECTED DRAWING: Figure 3

The invention provides a vehicle control method and device, a vehicle and a storage medium, the method is applied to the technical field of hybrid power control, and the method comprises the steps that under the condition that it is determined that a first motor of the vehicle has a fault, current state parameters related to vehicle running are obtained, and the first motor of the vehicle is determined to have a fault based on the current state parameters; and whether the vehicle is in the target working condition or not is judged, and under the condition that the vehicle is determined to be in the target working condition, the second motor is controlled to conduct energy recovery so as to charge a power battery of the vehicle through energy recovered by the second motor. According to the method, under the condition that the first motor for charging the power battery breaks down, the second motor is controlled to conduct energy recovery, the power battery is charged through the energy recovered by the second motor, and power shortage of the power battery is avoided.

A drive module assembly for use in a vehicle includes a housing defining a housing interior, and an electric machine including a rotor and a stator. The drive module assembly also includes a differential rotatably coupled to the rotor, a first input shaft rotatably coupled to the differential, a second input shaft rotatably coupled to the differential, a first counter shaft rotatably coupled to the first input shaft, a second counter shaft rotatably coupled to the second input shaft, a first output shaft rotatably coupled to the first counter shaft, and a second output shaft rotatably coupled to the second counter shaft. The differential is configured to receive rotational torque from the electric machine and configured to transmit rotational torque from the electric machine to the first and second input shafts.

The invention discloses a heavy truck power-interruption-free hybrid power system and a control method thereof. The heavy truck power-interruption-free hybrid power system is provided with an engine, a clutch, a P2 motor, a P2.5 motor and a gearbox. A gearbox input inner shaft is axially arranged on the gearbox, a P2 motor driven wheel is arranged on the gearbox input inner shaft, and the engine is connected with the gearbox input inner shaft through a clutch; a P2 motor driving wheel is arranged in the axial direction of the P2 motor, and a P2 motor clutch is arranged on the P2 motor driving wheel; and the gearbox is a gearbox with uninterrupted power. A P2 + P2.5 dual-motor framework is adopted, and powerful power output and efficient energy management are achieved through multi-mode switching.

The invention discloses a control method, device and equipment of a hybrid electric vehicle and a storage medium, and relates to the technical field of hybrid electric vehicles, and the control method comprises the steps that the current driving mode, the current SOC, the current vehicle speed, the whole vehicle demand power and environment information of the vehicle are obtained; determining a vehicle state according to the environment information, the current driving mode and the current SOC; a range extender starting strategy is determined according to the vehicle state, and a range extender of the vehicle is controlled; when an engine of the range extender is started, determining a target operation mode and power generation power of the range extender according to the current vehicle speed and the required power of the whole vehicle; and determining the power generation rotating speed of the range extender according to the environment information and the power generation power of the range extender, and controlling the engine. The technical problems of low energy management efficiency and unstable operation caused by the fact that fixed threshold value control cannot adapt to environmental changes are solved, accurate matching of range extender start-stop control and power generation strategies under complex environmental conditions is achieved, and the energy utilization efficiency and the operation stability of the whole vehicle are improved.

In electrified vehicle, a charger is disposed above the machine-electric integrated unit, and an input / output port for electric power is provided on the power source chamber side of a battery disposed on the power source chamber side vertically downward with respect to the driver's seat. Further, the power control device is provided with a branching portion that branches an electric path from the battery, in which the power control device side of the first electric wiring connecting the input-output port and the power control device and the power control device side of the second electric wiring connecting the power control device and the charger are connected to each other.

Systems and methods are provided for an electric drive unit. The electric drive unit includes a first electric machine and a second electric machine, a first transmission coupled to the first electric machine, a second transmission coupled to the second electric machine and a disconnect. The disconnect is arranged between a shaft coupled to the first transmission and a shaft coupled to the second transmission and configured to mechanically couple the first transmission and the second transmission.

This invention discloses a vehicle torque control method and apparatus. The method includes: determining the actual output torque value based on the driving state of the electric vehicle during operation; calculating the difference between the actual output torque value and the vehicle's limit torque value; determining a torque adjustment gradient value based on the difference; and adjusting the required torque value of the electric vehicle based on the torque adjustment gradient value. The vehicle torque control scheme disclosed in this invention can reduce the duration and frequency of continuous vehicle vibration, thereby improving the driving experience.

A system performs a method for operating a vehicle. A raw total axle torque request for the vehicle is received at a processor of the vehicle. The vehicle includes a primary axle, one or more electric motors on the primary axle, an engine coupled to the primary axle, a secondary axle, and an additional electric motor on the secondary axle. The processor performs an optimization to determine a primary axle torque target and a secondary axle torque target that meets the raw total axle torque request while locating a value representative of a minimum of an objective cost function for the vehicle, controls the one or more electric motors and the engine at the primary axle using the primary axle torque target; and controls the additional electric motor at the secondary axle using the secondary axle torque target.

Methods and systems are provided for a transmission. In one example, the transmission includes electric motor arranged on both sides thereof. In at least one example, electric motors on opposite sides of the transmission are coupled to a single input shaft.

An example computer implemented method includes receiving a plurality of optimization variables; receiving a cost function representing a vehicle system, where the cost function includes a plurality of weights assigned to the plurality of optimization variables; decomposing the cost function into a plurality of problems; and generating a solution to the cost function by solving the plurality of problems. An example system includes a vehicle powertrain and a computing device configured to receive a plurality of optimization variables; receive a cost function representing a vehicle system, where the cost function comprises a plurality of weights assigned to the plurality of optimization variables; decompose the cost function into a plurality of control problems; generate a solution to the cost function by solving the plurality of control problems; and control the vehicle powertrain based on the solution to the cost function.

The invention discloses a heavy truck power split hybrid system assembly and a control method thereof.The heavy truck power split hybrid system assembly is provided with an engine, an engine input shaft is axially arranged on the engine, and a clutch is connected to the engine input shaft; the planet row is provided with a sun gear, a gear ring and a planet carrier, and an engine input shaft is connected to the planet carrier connected with the planet row; the generator is connected with the sun gear of the planet row; the motor is connected to a gear ring of the planet row, and the output of the gear ring is connected with the gearbox; according to the heavy truck power split hybrid power system assembly and the control method thereof, dual motors, a planet row and a few-gear AMT gearbox are integrated, and according to a power split mode, the power of an engine drives a vehicle through mechanical transmission and electric transmission paths; compared with a traditional commercial vehicle power assembly framework, the new energy power assembly framework has the advantages of being high in comfort, less in power interruption, efficient and oil-saving.