69 results about "Hot start" patented technology

The invention provides a spindle constant-temperature AI closed-loop heat engine system, and relates to the technical field of numerical control machine tool control and heat management. The invention aims to solve the problems of response lag, uncontrollable thermal stress, single heating strategy and the like of the traditional spindle heat engine method. The system comprises a multi-dimensional thermal state sensing module used for constructing a multi-node discrete temperature field representing the overall thermal distribution of the main shaft; the real-time heat balance feedback module is used for judging the cold / hot starting state of the main shaft according to the initial temperature difference and executing a differentiated feedback control strategy; and an AI prediction forward compensation module that predicts a future cutting thermal load by pre-reading a machining instruction and generates a feedforward thermal compensation instruction. According to the method, the thermal stress is controlled by introducing the radial thermal gradient index as the safety constraint, negative precooling or positive preheating is achieved in combination with the AI predictive capacity, a feedback and feedforward composite control mode is formed, and the dynamic thermal stability and the machining precision of the main shaft under the complex working condition are improved.

The invention relates to the technical field of intelligent vehicle control, in particular to a multi-agent model parameter initialization method and device based on imitation learning and a storage medium, and the method comprises the steps: S1, constructing an imitation learning framework based on a single-vehicle expert strategy, training a single-agent strategy network through employing an iterative online strategy learning normal form, and obtaining a single-agent model; obtaining an initial strategy network model with basic driving ability; s2, a controlled random expert distillation mechanism is introduced in the training process, augmented state vectors aligned with the multi-agent environment are constructed through virtual other vehicle state injection, expert action tendency distribution is dynamically adjusted through a strategy focusing factor, and enhanced pre-training strategy network parameters are obtained; and S3, copying the enhanced pre-training strategy network parameters and initializing each agent strategy network in the multi-agent reinforcement learning environment. According to the method, the problems of slow convergence and easy local optimum in a multi-vehicle cooperative task are solved, hot start is realized through imitation learning, and the training efficiency and the final performance are improved.

This invention relates to the technical field of SCR aftertreatment, and provides a method, device, system, and engineering equipment for controlling two-way urea injection in an SCR aftertreatment system. The method includes the following steps: acquiring the engine's starting temperature and the current temperature of the preceding SCR; determining that the engine is in a cold start when its starting temperature is lower than a preset temperature; determining that the engine is in a hot start when its starting temperature is not lower than the preset temperature; determining that the engine is in a cold start and the current temperature of the preceding SCR reaches a first injection temperature, and then initiating urea injection through the preceding nozzles, where the first injection temperature is the temperature at which urea begins to hydrolyze; determining that the engine is in a hot start and the current temperature of the preceding SCR reaches a second injection temperature, and then initiating urea injection through the preceding nozzles. Thus, by distinguishing between the engine's cold and hot operating conditions, and by initiating urea injection through the preceding nozzles when the current temperature of the preceding SCR reaches the temperature at which urea begins to hydrolyze, nitrogen oxide emissions during engine cold starts can be reduced.

The invention discloses a climate prediction method and device based on hot start and background constraint and a medium. The method comprises the following steps: training an auto-encoder by using actual climate data in a first historical annual interval, and taking the auto-encoder as an initial climate prediction model decoder; obtaining first climate data of a current year and a second historical year interval predicted by a specified climate prediction model; for each month in the second historical annual interval, generating a sample pair of the month by taking the first climate data of the month and a preset number of months as an input feature and taking the actual climate data of the month as a label; the training sample library is used for training a climate prediction model trained in the last year with the minimum joint loss as the target, and the joint loss comprises a precision constraint representing model prediction performance, a climate background constraint and a prediction score constraint; the trained model is used for predicting the climate of the current year. The continuous evolution and stable prediction of the prediction model are realized, and the convergence speed of the prediction model is improved.

The application discloses a kind of vehicle entertainment system power management interactive systems and vehicle, including SOC, MCU and screen, screen is connected with SOC, MCU respectively, the SOC has power core service module and IPO interface, the SOC is arranged with 5 GPIO feet between two chips of MCU, wherein 3 are input by SOC, and output by MCU;2 are input by MCU, and output by SOC;The characteristics of the GPIO foot are connected two end chips, one end controls input high-low level interrupt, the other end receives output, and according to the corresponding car machine power state logic of interrupt trigger, wherein car machine power state includes hibernate, half hibernate, power off and work.The SOC in the entertainment host can be synchronized state information by the high-low level change of GPIO with MCU in the application, finally reach the performance of improving hot start of car machine, and make SOC have initiative wake-up function.

The invention discloses a multi-target real-time lower-layer torque distribution method for an overdrive electric vehicle, and belongs to the technical field of intelligent electric vehicle motion control and chassis cooperative control, and the method comprises the steps: firstly obtaining a generalized control instruction output by an upper-layer controller, a vehicle real-time state quantity and four-wheel end torque of a previous control period; constructing a control efficiency matrix based on vehicle geometric parameters, and establishing a linear mapping relation between the generalized control quantity and the wheel end torque; taking the four-wheel end torque as a decision variable, and constructing a multi-target quadratic optimization model containing generalized instruction tracking, tire load rate balancing, driving energy consumption optimization and torque smoothing; constructing a convex quadratic programming problem by combining motor torque saturation, torque change rate and linear tire attachment constraint; and solving by adopting a hot start time-limited solving strategy, and triggering a multi-stage fault-tolerant mechanism to output a safe and feasible torque when solving is abnormal. According to the method, the stability, economy and system robustness of vehicle running are considered, and the method is suitable for four-wheel independent drive and other over-drive configuration electric vehicles.

The invention discloses a whole vehicle fire extinguishing method, device and equipment and a storage medium, and the method comprises the steps: monitoring whether a fire exists in a preset fire area of a vehicle in real time, the preset fire area including a power battery pack area, a vehicle chassis area and an engine compartment area; and if it is detected that the fire exists in any preset fire area, non-stored-pressure fire extinguishing equipment arranged in the corresponding fire area is started in at least one mode of hot start, electric control start or manual emergency start, so that fire extinguishing agents are sprayed out through the non-stored-pressure fire extinguishing equipment to extinguish the fire in the corresponding fire area. The fire extinguishing system can quickly extinguish an initial fire of the new energy automobile, effectively delay fire spreading or extinguish the fire, greatly prolong the escape time of passengers and avoid major safety accidents, is small and convenient, can be conveniently carried on the automobile, meets the lightweight requirement, is free of maintenance, and reduces the use cost.

This invention provides a hot-start trajectory planning method based on optimal control and artificial potential field, belonging to the field of three-dimensional trajectory planning for unmanned systems. This planning method addresses the shortcomings of traditional simple models in trajectory planning, combining the advantages of optimal control methods in solving nonlinear systems with complex kinematic constraints, and designs a high-quality initialization solution strategy. First, this invention designs an improved artificial potential field method to eliminate local oscillations, achieve intra-flight cooperation, and satisfy physical constraints, obtaining a high-quality homotopy initial solution. Then, the trajectory planning problem of UAV formation is reconstructed into a standard optimal control problem, which is then discretized and transformed into a nonlinear programming problem. Finally, the obtained initial solution is used for trajectory planning. The proposed planner is applied to the trajectory planning problem of fixed-wing UAV formation. The proposed method is effective and robust, and the designed hot-start strategy significantly contributes to convergence.

The present application relates to a kind of steam turbine hot state start-up control method, rotation control method and system, comprising: using ATC system control unit speed by one-stage speed-up target speed Z1 Gradually speed up to the unit speed Z3 of no-load in the unit speed-up step, using parameter control system corrects unit speed-up rate and unit warm-up time, specifically, the parameter control system in the process of unit automatic rotation and speed-up, obtain several variable real-time values of the variable that influences unit rotation parameter, and calculate variable real-time value change rate, and then can in the process of unit rotation, using variable real-time value change rate, corrects unit rotation parameter, with flexible control unit operation, increase the accuracy and flexibility of unit rotation control advantage.

The invention discloses a turboshaft engine ignition frequency design method and system based on the hot start characteristic, and the method comprises the steps: determining the upper and lower limits of a reliable ignition rotation speed interval based on the real test data of a turboshaft engine, and determining the minimum ignition frequency through combining the hot start characteristic of the turboshaft engine; according to the method, the starting requirement is strict, the minimum ignition frequency corresponding to the turboshaft engines of different models can be accurately designed, the starting performance and requirements of the turboshaft engines of different models can be better met, and the starting success rate of the turboshaft engines is greatly increased.

The application provides a compressor auxiliary heating starting control method, a compressor auxiliary heating starting system and an air conditioner. The control method comprises the following steps: when the compressor stops, the lubricating oil in the compressor, which absorbs the heat of the components of the compressor, is introduced into a heat preservation device; when a starting instruction is received, the temperature T1 of the lubricating oil in the heat preservation device, the temperature T2 of the compressor, the volume V1 of the liquid in the heat preservation device and the volume V2 of the liquid in the compressor are detected; it is determined whether V2>0 and T2

The invention belongs to the technical field of equipment control, and discloses a combined control method and system for multiple fuel generator sets. Comprising the steps of collecting operation data of each fuel generator and performing data cleaning to obtain a generator operation data set; performing oscillation output analysis on the generator operation data set to obtain oscillation data characteristics; offset compensation is carried out on the generator operation data set, and an offset suppression data set is output; performing response delay correction on the offset suppression data set to generate a delay adjustment data set; designing a hot start penalty strategy based on the unit load information and the delay adjustment data set; performing excitation instability early warning based on the unit load information, and generating a magnetic field early warning log; constructing a combined control strategy; sending the combined control strategy to a preset fuel generator set control terminal; and the comprehensive efficiency of a plurality of fuel generating set systems in the aspects of intelligent control and safe operation is obviously improved.

Method for determining a malfunction of a line (6) for guiding a carrier mass flow of an exhaust system (4) of an internal combustion engine (18) which can be heated by means of a heating element (12), comprising the steps: - Activating a heating element (12) to heat the exhaust aftertreatment component (8), - Heating the exhaust aftertreatment component (8) via the radiant heat of the heating element (12), - Recording (100) a current actual temperature profile (T Ist ) on the line (6) by means of a temperature sensor (10), - Comparing (200) the recorded actual temperature profile (T Ist ) with a predefined reference temperature profile (T Ref ), - Creating (300) a diagnosis regarding the functionality of the line (6) based on the comparison of the recorded actual temperature profile (T Ist ) with the predefined reference temperature profile (T Ref ), where, based on the diagnosis made regarding the functionality of the line (6) for guiding a carrier mass flow, a risk of overheating of the heating element (12) is assessed, and Further measures will be initiated based on the assessment.

The invention discloses a vehicle-mounted mast stabilizing and leveling method based on multi-mode self-adaptive reinforcement, and aims to solve the problems that a long mast swings like a whip and the traditional modeling according to a hard rod is difficult to stably control. According to the method, multi-source data unified fusion, rigid body and flexible layered Kupman mapping, vibration mode orthogonality and energy consistent constraint, dominant frequency and phase estimation and phase augmentation, reinforced collaborative cost weight, short horizon and long horizon scheduling and hot start are carried out; according to the method, a learning type model predictive control and control barrier function safety constraint of reverse phase feedforward is superposed, and closed-loop feedback is combined to update parameters online, so that rapid stabilization and dominant frequency band energy suppression under different heights and loads are realized, inclination angle errors and overshoot are reduced, the structure and stroke safety is guaranteed, and the energy efficiency and robustness are improved.

This invention discloses a collaborative localization and obstacle avoidance control system and method for unmanned aerial vehicle (UAV) swarms. This method uses a first comprehensive cost function to issue swarm change commands only when the accuracy improvement from configuration changes significantly outweighs the cost of flight maneuvers, effectively filtering out the ping-pong effect caused by frequent swarm changes. Through coarse-to-fine hierarchical localization processing, the method utilizes FM coarse localization solutions to resolve the TDOA observation equations in the far-field high-altitude region. GDOP The technical challenge of regional divergence is addressed by using a "hot start" mechanism to map the initial value of GN to EKF in real time, thus avoiding the accuracy collapse caused by the accumulation of linearization errors in the cold start phase of traditional filtering algorithms. This invention overcomes the limitation of decoupling the logic of "obstacle avoidance" and "positioning accuracy maintenance." Within the rolling optimization framework of model predictive control, it explicitly embeds rigid geometric constraints based on the Laplace matrix, enabling the cluster to replace disordered drift with elastic compression when performing obstacle avoidance actions.

The present application relates to a kind of heat pump units, including improved automatic decision-making heat pump unit carries out refrigeration mode or heating mode or standby mode method, the controller of heat pump unit obtains and stores the ambient temperature collected by temperature sensor in real time, calculate the average ambient temperature of short period, medium-long period and long period, and the temperature difference of real-time ambient temperature, average ambient temperature respectively with the heating start point temperature, refrigeration start point temperature of heat pump unit set is compared with the corresponding heating temperature difference threshold or refrigeration temperature difference threshold and judges, and then control the switching of the refrigeration mode, heating mode, standby mode of heat pump unit.This automatic decision-making method can effectively avoid the problem that heat pump unit repeatedly switches refrigeration mode, heating mode when ambient temperature fluctuates around the set refrigeration, heating start point temperature, can prolong the service life of compressor, evaporator, condenser.

A kind of offshore wind farm power collection system loss pre-calculation and large-scale solution acceleration method, comprising: constructing initial mathematical model considering cable construction cost and life cycle loss cost, and then converting nonlinear loss term into linear cost coefficient through network loss pre-calculation subproblem, to obtain mixed integer linear programming model easy to solve;Based on the location of wind turbine and substation, the initial feasible solution of hot start that meets the engineering constraints is constructed by using clustering partition and intra-sector routing strategy;Based on distance threshold, potential connections are screened, connections exceeding the threshold in the hot start solution are supplemented to the candidate set to form the final candidate cable set;Combined with the candidate set and the hot start solution, the solver is used to solve the optimization model efficiently, and the planning scheme is output.The present application significantly improves the solution efficiency and engineering practicability of super large scale offshore wind farm power collection system planning under the premise of accurately depicting network loss economy through model linearization and systematic solution acceleration design.

The application belongs to the technical field of aircraft planning, and provides an aircraft online trajectory re-planning method based on meta-learning hot start sequence convex optimization, which comprises the following steps: step one: establishing an aircraft dynamics model and an offline trajectory library; a three-degree-of-freedom high-speed aircraft dynamics model under a spherical coordinate system is established, and an offline trajectory library is constructed; step two: establishing a model-independent meta-learning training framework fused with nearest neighbor residuals; data features in the offline trajectory library are learned by fusing the nearest neighbor residuals, and optimal common initial parameters are trained and obtained, so that MAML can quickly adapt to a new environment; step three: establishing an online trajectory re-planning framework based on MAML hot start sequence convex optimization; the hot start initial value of the sequence convex optimization is used to guide the sequence convex optimization iteration to reach convergence, and an obstacle avoidance trajectory is generated under the premise of meeting the aircraft dynamics constraints. The application realizes the dual improvement of computational efficiency and control smoothness while ensuring the avoidance of threat areas.

This application relates to a method, apparatus, electronic device, and storage medium for launching a cold-start product. The method includes: upon detecting a cold-start product, iterating control parameters at preset time intervals based on a predefined reinforcement learning algorithm to obtain control parameters after each iteration. The reinforcement learning algorithm is used to maximize the overall expected return of system users in both the cold-start and warm-start models, as well as the expected return of users flowing into the cold-start model. Based on the control parameters after each iteration, the number of users flowing into the cold-start model within each preset time interval is updated. When the number of iterations reaches a preset number or the number of samples of the cold-start product reaches a preset threshold, the cold-start product launch is determined to be complete. In this way, the reinforcement learning algorithm can simultaneously consider both the overall return of product recommendations and the launch efficiency of the cold-start product.

This invention discloses a combined cycle unit waste heat boiler flue gas temperature control system and method, comprising: a data acquisition unit, a human-machine interaction unit, an intelligent control unit, and an execution and regulation unit. This invention enables one-click commissioning with fully automated operation, saving ≥1 hour of manual monitoring time during a single cold start, completely eliminating the risk of human error. It pioneers a 38% dynamic valve position limiting strategy based on load linkage, precisely balancing the contradictions between cold and hot starts, solving industry pain points such as the easy tripping of recirculation pumps and the easy accidental start-up of standby pumps after condensate pump frequency conversion retrofitting. Using 60℃ as a setpoint, it stably controls the inlet water temperature of the low-pressure economizer within the range of 55℃-65℃, avoiding low-temperature corrosion at the boiler tail end while maximizing waste heat recovery efficiency. It also features a graded early warning and safety degradation mechanism to enhance the system's anti-interference capability and operational safety.

The utility model discloses an integrated parking cold and warm heat exchange device which comprises a parking main body, a cab, an in-vehicle evaporation box, an original vehicle compressor, an engine, an oil tank and a water tank, one end of the in-vehicle evaporation box is connected with an expansion valve and a low-pressure tee joint, and a refrigerant is divided into two paths after flowing out through the low-pressure tee joint, one path is connected with an electric compressor for refrigerating during parking, and the other path is connected with an original vehicle compressor carried by the parking main body and used for refrigerating during vehicle running; the electric compressor and the original vehicle compressor are connected into the air conditioning system of the original vehicle in parallel, the refrigeration effect is achieved during parking, heat exchange is conducted between combustion oil of the external heater and a water source in the water tank, then the engine is preheated and started, and meanwhile the heating effect is achieved during parking. Therefore, comfortable environment temperature is guaranteed for long-term parking personnel, fuel consumption is greatly saved, the maintenance period of the vehicle is shortened, the service life is prolonged, and carbon emission is reduced.

An offshore wind power plant current collection system loss pre-calculation and large-scale solution acceleration method comprises the steps that an initial mathematical model considering cable construction cost and full life cycle loss cost is constructed, a nonlinear loss item is converted into a linear cost coefficient through a network loss pre-calculation sub-problem, and the linear cost coefficient is calculated; a mixed integer linear programming model easy to solve is obtained; based on the positions of a fan and a transformer substation, a hot start initial feasible solution meeting engineering constraints is constructed by adopting a clustering partition and an intra-sector routing strategy; screening potential connections based on a distance threshold, and supplementing the connections exceeding the threshold in the hot start solution to the candidate set to form a simplified final candidate cable set; and in combination with the candidate set and the hot start solution, efficiently solving the optimization model by using a solver, and outputting a planning scheme. According to the method, on the premise of accurately describing the network loss economy, the solving efficiency and the engineering practicability of the planning of the current collection system of the super-large-scale offshore wind power plant are remarkably improved through the model linearization and systematic solving acceleration design.

The embodiment of the invention provides an automatic starting and stopping method and system for a waste incineration power station, and relates to the technical field of waste incineration power generation. The method can respond to a start-stop instruction, obtain running state information, and determine a start-stop type according to the running state information. Wherein the start-stop type is one of cold start, hot start and shutdown. Starting and stopping function group information is inquired based on the starting and stopping type, a breakpoint control set is generated according to the starting and stopping function group information, breakpoint control instructions in the breakpoint control set are sent to the to-be-started and to-be-stopped equipment, and the to-be-started and to-be-stopped equipment is started and stopped in sequence according to the starting and stopping sequence. According to the method, the equipment to be started and stopped can be automatically controlled according to the starting and stopping type of the waste incineration power station, the starting and stopping operation of the waste incineration power station is optimized, the possibility of on-site manual operation and misoperation is reduced, the starting and stopping time is saved, and the starting and stopping efficiency and the automation integration degree of the waste incineration power station are improved.

This invention relates to the field of unmanned aerial vehicle (UAV) control technology and includes the following steps: S1, establishing a discrete nonlinear dynamic model with disturbances based on quaternions; S2, designing a lightweight nonlinear model predictive controller based on real-time iteration of sequential quadratic programming; S3, constructing a lightweight MLP disturbance observer to achieve real-time estimation of six-dimensional disturbances; and S4, designing a position-torque dual-layer feedforward compensation strategy. This invention significantly reduces the online computation of NMPC by combining the SQP_RTI real-time iterative framework with a hot-start and matrix pre-storage mechanism, enabling millisecond-level real-time operation on the airborne platform. It employs a 26-dimensional feature fusion MLP network to achieve joint estimation of disturbance forces and torques, eliminating dependence on precise model parameters. The dual-layer separate feedforward design, which corrects the reference trajectory at the position layer and directly compensates for motor speed at the torque layer, avoids coupling interference from a single compensation method, achieving high-precision trajectory tracking even under external disturbances such as wind fields and sudden load changes.

This invention discloses an optimized method, device, and storage medium for hot start-up of a power unit, relating to the field of power energy conservation technology. To address the technical problems of long hot start-up time and high fuel consumption in existing technologies, the method includes the following aspects: starting the gas turbine to 3000 rpm, then increasing the load to 135 MW at 20 MW / min after grid connection, taking 38 minutes; maintaining the gas turbine at 135 MW, while the boiler begins to heat and pressurize until the main steam parameters reach the turbine's required start-up parameters, taking 10-15 minutes; starting the turbine at 3000 rpm, with the turbine start-up steam temperature referenced at a mismatch greater than 10°C, and increasing the load at 7 MW / min after grid connection, taking 12 minutes; maintaining the gas turbine load at 135 MW, and opening the turbine control valve at 15% / min to full opening; ensuring that all unit parameters and adjustment operations meet safety standards, shortening the combined cycle's low thermal efficiency operating time, allowing the power plant more high-load power generation time, reducing energy consumption, and improving economic efficiency.

A kind of offshore wind farm power collection system optimization method considering cable selection, comprising the following steps: S1, obtaining wind farm basic data, including wind turbine and substation coordinates, wind turbine rated power, multi-specification cable electrical and cost parameters and the like;S2, based on basic data, candidate cable set is generated using clustering partition and distance threshold, candidate set reduction is completed, and cable cross-avoidance constraint set is simultaneously generated;S3, an optimization model with minimum total cost in the whole life cycle is established, double-ring path does not need scene variable, composite ring path needs to integrate scene-driven variable;S4, path acceleration solution is carried out, double-ring uses hot start, cross-constraint simplification, composite ring additionally adds fault set dimension reduction, and initial scheme is obtained;S5, full fault set N-1 check is carried out on initial scheme, illegal scene is included in fault set and is resolved again, until scheme meets N-1 criterion, and finally result is output.The present application realizes integrated optimization of topology and cable selection, and gives consideration to solving quality and efficiency.

The invention relates to a multi-target cooperative power flow real-time distribution method for a hybrid tracked vehicle considering dynamic stability constraints, and belongs to the technical field of hybrid tracked vehicle control. The method comprises the following steps: estimating a road adhesion coefficient in real time based on UKF and generating a real-time dynamic stability boundary; identifying a driving intention based on multi-dimensional features and vehicle speed self-adaption; constructing an all-condition off-line mapping table based on reverse modeling; and performing multi-target collaborative MPC predictive control and real-time distribution based on MAP initial value hot start. According to the method, through the hybrid architecture of providing the initial value through offline all-condition traversal and processing stability constraint through online MPC, huge computing power consumption caused by online full-space search is effectively avoided, and meanwhile, the safety and economical efficiency of the vehicle under the complex road surface working condition are guaranteed.

The application discloses a kind of based on hot starting characteristic turboshaft engine ignition frequency design method and system, the starting ignition frequency design method is based on the real test data of turboshaft engine to determine the upper and lower limit of reliable ignition speed interval, and the minimum ignition frequency is determined in combination with the hot starting characteristic of turboshaft engine, for starting requirement more strict, the minimum ignition frequency corresponding to different models of turboshaft engine can be accurately designed, can better fit the starting performance and requirement of different models of turboshaft engine, greatly improve the starting success rate of turboshaft engine.

The application provides a restart recovery system and method of an APU controller, the restart recovery system comprising a digital signal processor, a field programmable gate array, a non-volatile random access memory, a sensor, and an actuator; the recovery method comprising the following steps: a data initialization and recovery module reads running context data stored in a random storage unit; a CRC check value is identified, a CRC check is performed, the data initialization and recovery module sets a hot start identifier in the running context data of the random storage unit to 1, and a hot restart recovery is performed; the data initialization and recovery module clears the running context data of the random storage unit, and a cold restart recovery is performed. The restart recovery system and method of the APU controller can solve the two core problems of "output jump caused by peripheral register reset" and "loss of dynamic state during operation" in the prior art in the field of civil aviation technology.

The invention discloses a fuel cell automobile low-temperature starting method and an automobile The method comprises the steps that a TBOX obtains a remote low-temperature cold starting instruction sent by a user in real time and collects the ignition state in real time; and starting a low-temperature heating strategy: collecting the temperature of the fuel cell, the environment temperature and the temperature of the lithium battery, and controlling a PTC heater to perform heating control on the fuel cell and the lithium battery based on the temperature. The low-temperature heating starting control of the hydrogen fuel cell is realized for the vehicle integrated with the auxiliary lithium battery in the hydrogen fuel cell vehicle, the waiting time is reduced, the use of the fuel cell vehicle at low temperature of a user is met, and the user experience is improved.