4499 results about "Tractor" patented technology

The invention belongs to the technical field of agricultural automation, and provides a closed park-oriented tractor multi-machine collaborative operation scheduling system and a control method, and the method comprises the steps: employing a multi-source heterogeneous sensor network to construct an environment perception layer, generating an environment state tensor and a dynamic environment model through space-time registration and data fusion, and obtaining a dynamic environment model; a complex task is decoupled into an atomic operation unit, a single tractor optimal task sequence is generated by utilizing dynamic planning, a genetic algorithm is improved to realize global operation distribution, and an optimal path is planned for tractors in a closed park through an ant colony algorithm in combination with a dynamic environment model to control the tractors to perform collaborative operation. Deploying an edge computing node to receive the tractor pose data in real time, judging an actual conflict risk by calculating space-time conflict density, fitting a prediction trajectory function to detect a prediction conflict risk, and if the actual conflict risk or the prediction conflict risk exists, triggering conflict coordination; and selecting a hierarchical coordination strategy for the tractor according to the conflict risk type to realize obstacle avoidance control.

The invention provides a range extending type tractor power system and a control method, and solves the problems that in the prior art, a tractor power system is low in energy conversion rate, a stepless speed change structure is complex to achieve, walking drive PTO drive cannot be coupled, and multiple controllers are difficult to cooperate. The range extender is electrically connected with the power battery and can provide electric energy for the power battery; the motor assembly comprises a driving motor and a PTO motor; the control assembly comprises a vehicle control unit, a range extender controller and an all-in-one controller, the range extender controller and the all-in-one controller are connected with the vehicle control unit, the range extender controller is electrically connected with the range extender, the all-in-one controller is electrically connected with the power battery, the range extender and the motor assembly, and the vehicle control unit controls the range extender controller and the all-in-one controller according to specific working conditions. The range extender is controlled by the range extender controller to supply power to the power battery or / and the all-in-one controller, and then the all-in-one controller is used for carrying out power distribution on the driving motor and the PTO motor.

The invention relates to the field of agricultural machinery, in particular to a multifunctional perennial root sugarcane management machine which comprises a rack, a gearbox, a stumping mechanism, a deep scarification mechanism, a rotary tillage ridge breaking system, a fertilization system, a pesticide application system and a fertilizer guide pipe. And a deep scarification mechanism and a rotary tillage ridge-breaking system which are symmetrical left and right, and a fertilizer application system and a pesticide application system which are symmetrical left and right are arranged behind the stumping mechanism. During operation, the machine is suspended, dragged and driven by a tractor, and a power output shaft of the tractor is connected with a power input shaft in front of the gearbox through a transmission shaft, so that a cutter head of the stumping mechanism, left and right rotary tillage cutter groups of the rotary tillage and ridge breaking system, the fertilization system and the pesticide application system are driven to perform stumping, ridge breaking and pocket loosening, fertilization and pesticide application; and meanwhile, the subsoiling mechanism is used for breaking and subsoiling soil between sugarcane rows, so that operations such as ridge breaking, pocket loosening, stumping, subsoiling, fertilization and pesticide application on perennial root sugarcanes are realized.

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.

The invention provides a series-parallel hybrid power tractor driving system. The series-parallel hybrid power tractor driving system comprises an engine, a P1 motor used for generating electricity or starting the engine, a PS motor used for independent or coupled driving and a series-parallel hybrid power tractor transmission system. The invention further provides a control method of the driving system. Confluence and diversion of engine power and speed change of the tractor are controlled through the P1 motor, the PS motor, the rotating speed coupling mechanism, the torque coupling mechanism, the clutch and the brake. According to the series-parallel connection type hybrid power tractor driving system, a multi-mode driving mode can be achieved to adapt to operation in a complex environment, the dynamic property and economical efficiency of a tractor are improved, and the series-parallel connection type hybrid power tractor driving system has the advantages of interval stepless speed change, precise control and the like.

The invention discloses an intelligent fertilizer distribution control system based on Beidou positioning, and relates to the technical field of agricultural automation, and the system comprises the steps: building a fertilization simulation model, and obtaining the relation data of the disc opening size and the fertilization amount of a fertilizer distributor through an experiment; soil analysis data and remote sensing image data are collected and preprocessed; generating a fertilization prescription map by using a multi-objective optimization model based on the preprocessed soil analysis data and remote sensing image data according to the soil characteristics and crop requirements of the field; high-precision positioning data are obtained through a Beidou positioning system, and the fertilization prescription map and the high-precision positioning data are fused to complete field space calibration; based on the field space calibration result and the high-precision positioning data, adopting a Dijkstra algorithm to generate an optimal fertilizer spreading path; in combination with the real-time speed of the tractor and the fertilization simulation model, the disc opening size of the fertilizer spreader is dynamically regulated and controlled, and the fertilization amount is accurately controlled by using a control algorithm; the tractor corner and the field boundary are monitored in real time, and the fertilizer distributor is automatically closed.

The invention discloses a hybrid crawler tractor for hills and mountains and a control method. The hybrid crawler tractor comprises a power system, a transmission system, an energy storage system, a driving system and a control system, the power system comprises an engine, a generator and a clutch; the transmission system comprises a mechanical coupling device, a gearbox, a power output shaft and the like; the energy storage system comprises a photovoltaic power generation panel and an energy storage device; the driving system comprises a driving system input shaft, left and right traction motors, left and right planet rows, driving wheels and the like; the control system comprises a whole vehicle controller, an energy storage device controller, a motor controller, an engine controller, a vehicle information sensor, a clutch control unit, a brake control unit and the like. According to the crawler tractor, a double-engine and motor mixed connection double-power flow structure is adopted, operation and running under various complex working conditions in hills and mountains are met, rich solar resources in the region are fully utilized, the advantages of a traditional crawler tractor and a new energy tractor are considered, and long-time operation in busy farming seasons is guaranteed.

The invention discloses a multi-mode cooperative tractor intelligent chassis control method and system, and the method comprises the steps: obtaining visual image data, chassis pressure data and position coordinate data, carrying out the data fusion of the above data, and constructing an environment state matrix; determining the type of an obstacle according to the environment state matrix, obtaining an obstacle characteristic parameter set, calculating the collision risk of the tractor and the obstacle, and calculating a risk coefficient; if the risk coefficient is larger than a preset safety threshold value, the suspension rigidity and the damping coefficient are calculated according to the obstacle type and the topographic features, and suspension control parameters are obtained; and acquiring ground surface hardness data of a to-be-operated area, adjusting the suspension control parameters according to the ground surface hardness data, and generating a chassis response parameter set. The problem that chassis parameters of a tractor chassis cannot be adaptively adjusted in complex terrains is solved, and the effects that the chassis parameters of a tractor are automatically adjusted according to real-time data, and the operation efficiency and safety are improved are achieved.

The invention discloses a double-roller cooperative equal-seeding-depth rotary tillage, seeding and ditching all-in-one machine which comprises a double-shaft rotary cultivator, a traction hanging frame, a double-roller cooperative device, a 7-shaped knife roller and a transmission mechanism, the traction hanging frame is connected with the upper end of the double-shaft rotary cultivator, and the double-roller cooperative device is connected with the rear end of the traction hanging frame through a connecting rod and a hydraulic rod; the 7-shaped knife roller is connected with the rear end of the double-roller cooperation device, the transmission mechanism transmits power of a tractor to the double-shaft rotary cultivator, the double-roller cooperation device and the 7-shaped knife roller, the wrapping performance of soil on seeds is guaranteed, roots of the seeds can be attached to the soil in the germination period, in addition, the seeds are sown on the concave face, the sowing cavitation performance is good, and the sowing efficiency is high. The sowing depth is consistent, and automatic operation of agricultural automatic mechanical equipment in ridges is facilitated.

The invention relates to a tractor clutch test bench cooperative control method based on MPC-BP neural network PID, and belongs to the technical field of tractor clutch performance testing. The method specifically comprises the steps of establishing an enhanced mathematical model of a tractor clutch test bed system; an MPC prediction controller is designed, and an optimal control sequence is generated through rolling optimization of an objective function; a BP neural network PID controller is improved; a multi-unit cooperative control strategy is designed, MPC prediction and BP neural network PID control are combined, and cooperative adjustment of the torque of the loading unit, the rotating speed of the driving unit and the displacement of the clutch separation mechanism unit is achieved; a self-adaptive adjustment and load compensation mechanism is introduced, and the adaptability of the system to different working conditions and clutch models is improved through online model correction, heat fading modeling and fault diagnosis. The control precision, the dynamic response speed and the robustness of the test bed are remarkably improved, and the test bed can be widely applied to research, development and performance testing of the tractor clutch.

Methods, devices, and systems, that relate to mechanization of agricultural tasks, including a robotic tool carrier configured to be mounted on a tractor or other type of vehicle and employing imaging and artificial intelligence to perform agricultural tasks, such as pruning, cutting vegetables, or weeding crops.

A system for warning drivers of the movements semi-tractor and trailer vehicles of the semi-tractor's intended course, and warning drivers of other vehicles around the semi-tractor of the course and intended movement of the semi-tractor. An example includes a closed circuit video display system including cameras mounted at the front corners of the semi-tractor, cameras mounted at the rear of the trailer, and cameras mounted from a central area of the semi-tractor trailer. The system also uses a written message display system having display modules that display messages to vehicles near the semi-tractor. The displays can be used to present various pre-programmed messages or messages created by the driver of the semi-tractor through a message input interface, allowing the driver of the semi-tractor to provide customized massages to other nearby drivers.

The invention relates to the technical field of automatic driving, in particular to a driving control method and system for an unmanned electric tractor, and the method comprises the following steps: obtaining humidity data to generate a state diagram, judging slip to trigger traction adjustment based on the state diagram, analyzing a slope recognition risk to generate a slope parameter, and reading a braking force to judge, coordinate and generate a distribution instruction. According to the method, the humidity difference is obtained through multi-point soil humidity monitoring, distribution characteristics are extracted, accurate sensing of the state of an operation area is achieved, the wheel rotating speed and traction force signals are combined, slipping is recognized in advance, the traction force is dynamically adjusted, and the driving force is kept stable; based on joint analysis of gradient change and vehicle state, slope risk is recognized in advance, optimization control is performed, braking force of front and rear wheels is dynamically distributed, slippage caused by unbalance is avoided, safety of complex terrains is improved, and vehicle stability, path control precision and energy utilization efficiency are improved through cooperation of multi-dimensional data perception and dynamic prediction.

System, methods, and other embodiments described herein relate to implementing predictive, risk-aware control barrier functions, the effects of which certify using predicted future trajectories the probability of vehicles (such as tractor-trailers) becoming unsafe over a time interval remains bounded by a user-specified value.

Disclosed is a display system for compensating a blind area of a field of view in a rearview mirror of a tractor-trailer. The system includes an acquisition apparatus, a sensing apparatus, a display control apparatus, and a display apparatus. The acquisition apparatus includes a left front camera, a right front camera, a left rear camera, and a right rear camera. The sensing apparatus is an angle sensing sensor arranged on a tractor-trailer, and the angle sensing sensor is used to obtain the angle by which the axis of a trailer deviates from the axis of a vehicle head. The display control apparatus is connected to the acquisition apparatus and the sensing apparatus. The display apparatus is a display arranged in a cab and is used for displaying to the driver an image output by the display control apparatus. By means of the multi-camera configuration, during turning, picture compensation is performed on an area in the rearview mirror that is blocked by the trailer, thereby effectively solving the problem of the trailer blocking field of view for observing. Compared with an ordinary panoramic image spliced when use a fish-eye lens, a driver can more intuitively perceive the position at which a risk factor is located, thereby reducing thinking time and reducing accidents.

The invention provides an automatic bundling type bast fiber header which is characterized in that a protective plate is arranged on the outer side of a header frame body of a header frame hung in front of power equipment such as a tractor, and grain lifters and side output guide plates are arranged on the two sides of the header frame body; a fixed cutter of the cutting assembly is installed on a rack body, a cutter bar provided with a movable cutter is slidably installed on one side of the fixed cutter, one end of a rocker is hinged to the rack body, the other end of the rocker is hinged to a connecting rod, and the two ends of the connecting rod are hinged to a balance eccentric block and the middle of the rocker respectively. A conveying shaft, provided with a driving roller, of the bidirectional conveying device is supported in the middle of the rack body, and a shifting tooth conveying belt is hung on a driven roller and the driving roller which are supported on the rack body; the reel feeding device is mounted on a reel frame, reel star wheels are mounted on the plate surface of one side of a reel plate, and a reel elastic rod I and a reel elastic rod II are hinged to two reel star wheel shafts respectively; the rack body is provided with a bundling device and a seedling outlet door of the bundling device, and a rope guide hook is hinged to the tail end of the side output flow guide plate. The harvester is high in harvesting efficiency, good in stubble cutting uniformity and high in automation degree.

The invention relates to a tractor test data acquisition and fault diagnosis system, which belongs to the technical field of agricultural machinery, and comprises a multi-source heterogeneous data acquisition module for performing real-time data acquisition on the working state of the whole tractor through a sensor group deployed at a key part of the tractor; collecting a vibration signal measured by an engine body acceleration sensor; acquiring a real-time rotating speed measured by an engine rotating speed sensor; load torque measured by a torque sensor of the power output shaft is collected; the current instruction rotating speed obtained by the vehicle-mounted control unit is collected; the collected original data are transmitted to the dynamic state evaluation module in real time; the dynamic state evaluation module is used for receiving the multi-dimensional data; carrying out fusion analysis on the multi-dimensional data based on an instantaneous impact index model; according to the method, the system obtains the comprehensive and robust perception capability for the risk, the early-stage and composite impact risk can be accurately recognized, and the misjudgment rate caused by single index fluctuation is greatly reduced.

The invention provides a power dividing type hybrid power tractor driving system. The power dividing type hybrid power tractor driving system comprises a power source and a power dividing type multi-mode switching mechanical transmission system, wherein the power source is composed of an engine, a P3 motor and a PS motor. The invention further provides a control method of the power split type hybrid power tractor driving system. Through the arrangement of the P3 motor, the PS motor, the power coupling mechanism, the clutch and the brake, energy distribution and efficient work of the engine are achieved. The device is compact in structure and good in dynamic property and economical efficiency, can realize multi-mode driving operation according to complex working conditions of the tractor, and has the advantages of interval stepless speed change, accurate control and the like.

The invention provides an unmanned tractor path planning method based on an improved PSO fusion DWA optimization algorithm. The method comprises the steps that a grid map is initialized; forming a preliminary global path by using an improved PSO algorithm; performing local refined optimization on the initial global path through single-dimensional neighborhood disturbance and greedy selection; discrete path serialization, redundant node elimination and smoothing processing are carried out on the initial global path through a greedy optimization method; a path point sequence of a final optimized global path is completely reserved as a local target point of a DWA algorithm, local path planning and real-time obstacle avoidance are guided, speed sampling and trajectory prediction are performed based on a kinematic model, speed constraint and the local target point, and an optimal prediction trajectory and speed space are selected through an improved evaluation function in the DWA algorithm. The method effectively solves the problems that an existing planning method is poor in smoothness, long in planning time, multiple in inflection points, discontinuous in path curvature and incapable of achieving global optimum.

The invention relates to an unmanned tractor operation path tracking and machine tool cooperative control system and method, and the system obtains the position and posture of a tractor, machine tool operation parameters and topographic information in real time through fusing the data of multi-source sensors, such as GNSS positioning and laser radar topographic perception. A multi-objective optimization function including a path tracking error, an operation precision error and a ground vibration excitation amount is constructed, and a particle swarm-genetic algorithm (PSO-GA) hybrid optimization algorithm is introduced for result optimization, so that cooperative control of tractor unit operation parameters such as a steering angle, a vehicle speed and a machine tool hydraulic parameter is realized. According to the method, in the operation of the unmanned tractor in the hilly terrain, the path tracking error is effectively reduced, the operation uniformity is improved, the influence of terrain factors on the operation is reduced, and the operation efficiency and the equipment durability under complex working conditions are remarkably improved.

The invention discloses a power system energy management method and equipment based on hydrogen energy hybrid power, belongs to the technical field of energy management, and is used for solving the technical problems that the random load characteristic of field operation of an existing tractor is complex, and a hybrid power tractor is uneven in ploughing and sowing under the complex terrain operation working condition and the tillage state. The method comprises the following steps: collecting multi-modal data of a farmland environment; performing vehicle speed prediction processing on the tractor under related environment characterization to obtain a dynamic prediction vehicle speed of the tractor; carrying out rolling optimization processing on the dynamic prediction vehicle speed under related output power to obtain the driving demand power of the tractor; and superposing the driving required power and the pre-obtained tillage tool required power to obtain the total required power of the power system, decomposing the required power in a frequency domain according to a formulated variational mode decomposition rule, and endowing the required power to a driving power generation system formed by a fuel cell, a power cell, a hydrogen internal combustion engine and a generator.

The utility model belongs to the technical field of tractors, and particularly relates to a tractor combined motor gearbox assembly which comprises a gearbox body, a generator and a driving motor are coaxially arranged on the side wall of the gearbox body, the outer end of an input shaft of the generator is in transmission connection with the crankshaft output end of an engine, and an input shaft is supported on the gearbox body. The input shaft is a hollow shaft, one end of the PTO shaft axially penetrates through the output shaft of the driving motor and is connected with a spline at the inner end of the input shaft of the generator, the other end of the PTO shaft is supported in an inner hole of the input shaft through a lining, the input shaft is connected with the inner end of the output shaft of the driving motor through a spline sleeve, and the gearbox body supports the output shaft. A gear transmission assembly is arranged between the input shaft and the output shaft. The PTO shaft is directly connected with the output shaft of the engine, the engine provides power for the generator to provide electric energy for the driving motor, then the driving motor provides power for the gearbox assembly, the operation requirement of the tractor is met, and stepless speed change can be achieved.

The utility model discloses a pet tractor which comprises a tractor body, a traction rope, a connecting mechanism and a connecting buckle, the tractor body is in transmission connection with the connecting mechanism through the traction rope, and the connecting buckle is detachably connected with the connecting mechanism. The tractor body can drive the connecting mechanism to act through the traction rope so that the connecting buckle can be separated from the connecting mechanism, safety can be improved, and accidents can be reduced.

The invention provides an energy management method, an energy management system and an energy management terminal for a fuel hybrid all-electric drive tractor. And after completion, a generator and a power battery are controlled according to the tractor operation required power and the SOC value of the power battery which are monitored in real time in the whole operation process of the extended-range hybrid power electrically-driven tractor, and cyclic charging and discharging control operation is carried out, so that energy management of the whole operation process of the tractor is carried out. The invention provides an energy management strategy under an all-electric driving framework in which a driving system and a power system are completely decoupled and no mechanical connection is provided aiming at a framework combined by a range extender, a power battery and an all-electric driving system in combination with a vehicle range extending technology and an agricultural machinery application scene; energy management control of the whole process of starting, starting, acceleration, rated power operation and overload operation of the whole vehicle is achieved, and efficient utilization of energy and cyclic charging and discharging control of a power battery can be achieved.

The invention provides a hybrid power tractor power system, a control method, a product, equipment and a medium, and relates to the technical field of tractors. The CVT gearbox adopts a structure of double power batteries, double driving motors and double variable motors, the double power batteries comprise a first power battery and a second power battery, the double driving motors comprise a first driving motor and a second driving motor, and the double variable motors comprise a generator and a CPTO driving motor; the tractor provides three types of power paths: an engine directly provides power for wheels through a gear pair; the engine drives the generator to charge the dual-power battery, and the dual-power battery is connected with at least any one of the dual-drive motor and the dual-variable motor to provide power for the wheels; the engine drives the generator to charge the dual-power battery, and the dual-power battery drives the motor to provide power for the agricultural implement through the CPTO. The overall performance and the operation efficiency of the tractor are remarkably improved.

The invention discloses a hybrid thermal management system and a hybrid tractor, and the hybrid thermal management system comprises a cabin air conditioner thermal management loop, an electric drive thermal management loop and an engine thermal management loop, an air conditioner condenser of the air conditioner heat management loop, an electric drive radiator of the electric drive heat management loop and an engine radiator assembly of the engine heat management loop are sequentially arranged side by side on the chassis in the horizontal direction, and the engine radiator assembly is provided with a shared first cooling fan deviating from the electric drive radiator. According to the hybrid power thermal management system, the radiators are arranged in a centralized mode, the structure is more compact, the utilization rate of the space in a vehicle can be increased, the number of cooling fans is reduced, and the material cost of the system is reduced.

The utility model relates to the technical field of agricultural machinery, in particular to a straw returning, plastic film residue recycling and round bundling all-in-one machine which comprises a straw smashing assembly, a first conveying auger, a film lifting assembly, a plastic film residue bundling assembly, a machine frame and a driving assembly. The straw smashing device is reasonable and compact in structure, when the straw smashing device is used, the front portion of the machine frame and a tractor are installed together through the traction frame, an output shaft at the rear end of the tractor and an input shaft of the driving assembly are installed in a transmission mode, and straw stubbles are smashed and thrown into the first conveying auger when the straw smashing assembly works. A first conveying auger works to convey smashed straw stubbles to the two sides of a rack, a film lifting assembly lifts out residual films in a stratum during working and then conveys the residual films to a residual film bundling assembly, finally the residual films are wound into a cylindrical shape through the bundling assembly, the residual films can be recycled in a centralized mode, the film lifting assembly can lift out the residual films in the stratum according to fluctuation of the ground, and therefore the residual films can be recycled. And the straw returning, plastic film residue recycling and round bundling all-in-one machine can be conveniently and rapidly transferred on a road through the conveying wheels.

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 utility model relates to the technical field of tractors, in particular to a small and medium power bowing steering tractor which comprises a chassis, a front rack assembly, a front driving wheel, a rear driving wheel, a steering system assembly, a suspension assembly and a hydraulic lifting pipeline system assembly. The chassis comprises a tail end assembly, and an engine and accessory assembly thereof, a front box and waist bending and twisting assembly and a rear box assembly which are sequentially connected from front to back; the front box and waist-bending and waist-twisting assembly comprises a front box, a waist-bending shell, a waist-bending pin shaft, a waist-twisting outer shell, a waist-twisting inner shell, a reversing shell, a first bolt, a lining, a clamping spring, a second bolt, a third bolt, a clamping spring protection cover and a fourth bolt. The multifunctional tractor can be used for operation in hilly and mountainous areas, integrates common operations such as field cultivation, orchard operation and road transportation, is good in maneuverability, high in safety, high in stability and high in adaptability, and can realize multiple functions of the tractor.

The invention relates to the technical field of tractor heat dissipation, in particular to a modular integrated tractor heat management method which comprises the steps that an engine radiator, a condenser, an engine oil radiator and a hydraulic radiator are arranged on the air outlet side of a cooling fan with the fan blade angle adjustable in a centralized mode; when the tractor operates in a working condition state, actual temperature data of an engine heat dissipation module, a transmission system heat dissipation module, a hydraulic system heat dissipation module and an air conditioning system heat dissipation module are collected; preset temperature difference data and preset fan rotating speed data corresponding to the working condition state are obtained; calculating an actual temperature difference value corresponding to the preset temperature difference value; and judging the actual temperature difference value of each item and the corresponding preset temperature difference value in real time, and controlling the wind direction and the rotating speed of the cooling fan in real time according to the judgment result. The invention further provides an electro-hydraulic control heat dissipation system applying the thermal management method. Heat dissipation and reverse blowing cleaning self-cleaning are carried out on all radiators of the tractor, the power loss is reduced, and the energy loss is reduced.