7060 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.

Embodiments are presented herein for trailer sway detection and mitigation using a camera mirror system. In one embodiment, a vehicle controller is provided comprising: one or more processors; a non-transitory computer-readable medium; and program instructions stored on the non-transitory computer-readable medium. When executed by the one or more processors, the program instructions cause the one or more processors to: monitor images captured by at least one image capture device to detect sway of a trailer being towed by a tractor; and in response to detecting sway of the trailer, cause a braking system to apply a brake to attempt to reduce to the sway of the trailer.

The invention provides an intelligent stretching machine control analysis system for tension stringing construction, and relates to the field of power transmission line stringing construction and automatic control. According to the invention, the data acquisition module is used for acquiring the multi-dimensional data of the operation of the stretching machine in real time, the data transmission module transmits the multi-dimensional data to the data terminal and the data processing module, the data processing module processes the received data, and a Markov chain model is used for carrying out depth feature analysis, so that the accuracy of the deep feature analysis is improved. According to the method, the fault risk prediction is carried out, the corresponding early warning operation is carried out according to the prediction result, an accurate braking scheme is given, the wiring construction progress is prevented from being influenced by blind braking or delayed braking, and by integrating various technologies and combining real-time data acquisition, data processing and visual fault analysis, the wiring construction progress is ensured. Comprehensive monitoring and intelligent management of the construction process of the stretching machine are achieved, the operation state of equipment can be monitored in real time, potential faults can be warned in advance, and construction efficiency and safety are improved.

The invention relates to the technical field of bracket welding, in particular to a tractor bracket part welding device. Comprising a rack, an overturning frame, a clamping mechanism, a distance adjusting mechanism, an overturning mechanism and a pushing mechanism, the overturning mechanism is provided with two rotating discs synchronously rotating with the overturning frame, and the clamping mechanism comprises a steel mounting frame arranged on the overturning frame, a clamping assembly and a clamping driving assembly arranged on the rotating discs and in transmission connection with the clamping assembly; the distance adjusting assembly comprises a threaded sliding seat which is slidably arranged on the overturning frame and is in transmission connection with the steel mounting frames on the two sides and a rotary driving assembly which is installed on the rotary disc and is in transmission connection with the threaded sliding seat, and welding robot arms are arranged at the two ends of the side of the machine frame. By means of the H-shaped steel welding device, stable clamping of H-shaped steel of different sizes is achieved, longitudinal clamping is guaranteed, meanwhile, transverse position adjustment and automatic centering deviation correction can be conducted, the welding precision and quality are improved, the H-shaped steel welding device meets the requirements of various working conditions, manual adjustment steps are reduced, and the working efficiency is improved.

The invention belongs to the technical field of pipeline construction, and particularly relates to a pipeline lowering assembly line in a plain area and a construction method.The assembly line is arranged at the front end of the starting end of pipe ditch excavation, and the assembly line is sequentially connected with a pipeline frame, a welding platform, a flaw detection platform, a joint coating platform, a pipe ditch support and a tractor in series through a conveying device; a pipeline is stored through the pipeline rack and conveyed to the welding platform for welding connection, welding quality detection is carried out on the flaw detection platform, anti-corrosion treatment is carried out on the joint coating platform, finally, the pipeline enters a pipe ditch through the pipe ditch support and then is connected to the bottom of the excavator through the tractor, and the excavator drags and distributes the pipeline. The problems that the road width is too large and the construction period is too long in traditional pipeline lowering are solved, the construction site can be saved, the construction efficiency is improved, and the construction cost is reduced.

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 a tractor gearbox transmission structure and a new energy tractor. The tractor gearbox transmission structure comprises a walking motor, a power output motor, a rear axle, a transmission first shaft and a transmission second shaft, the walking motor is connected with the transmission first shaft, the transmission first shaft is connected with the transmission second shaft through a planetary gear transmission mechanism, the transmission second shaft is connected with the rear axle, and the power output motor is connected with a third transmission shaft. The third transmission shaft is provided with a hybrid clutch and is connected with a first shaft of the transmission through the hybrid clutch and the power transmission assembly, the third transmission shaft is further connected with a PTO transmission assembly through a PTO clutch, and the PTO transmission assembly is connected with a PTO transmission shaft. The invention has the advantage that the purpose of flexible use of the walking motor and the power output motor during low-load operation and high-load operation can be achieved.

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 utility model discloses a double-bale-outlet knotter type square baler. The double-bale-outlet knotter type square baler comprises a tractor power receiving and distributing mechanism, a first baler mechanism and a second baler mechanism. The tractor power receiving and distributing mechanism comprises a first gearbox, a second gearbox, a main transmission shaft, a first transmission shaft and a second transmission shaft. The first gearbox is provided with a first input shaft, a first output shaft I and a first output shaft II; the second gearbox is provided with a second input shaft and a second output shaft, and the first input shaft receives power of the tractor; the first output shaft I is in transmission connection with a first flywheel input end through a first transmission shaft; the first output shaft II is in transmission connection with the second input shaft through a main transmission shaft; the second output shaft is in transmission connection with the input end of a second flywheel of the second bundling machine mechanism through a second transmission shaft. Front-end power inputs of the two bundling machines share one tractor power receiving and distributing mechanism, and the tractor power receiving and distributing mechanism carries out one-to-two operation to achieve simultaneous operation of two channels.

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 dual-motor hybrid power transmission system for medium and large tractors. The dual-motor hybrid power transmission system comprises an engine, an intermediate shaft, a main motor, an auxiliary motor, a power coupling device, a variable-speed transmission mechanism and a PTO output shaft, the double input ends of the power coupling device are connected with the auxiliary motor and the main motor respectively, power of the main motor can be directly input into the power coupling device, and power of the auxiliary motor is input into the power coupling device through the intermediate shaft and the second clutch. Total power is output to a PTO output shaft through an intermediate shaft and output to a variable speed transmission mechanism through a second row of planetary wheels, rotating speed coupling of the engine and the double motors can be carried out through a power coupling device, different driving modes are achieved, the system is compact and efficient in structure, the efficient and cooperative stepless speed regulation characteristic of multiple power sources is fully utilized, and the power efficiency is improved. The gear requirement of the system is reduced, the space cost is optimized, the chassis specific power is remarkably improved, and the efficient transmission purpose is achieved; and under the high-load working condition, the engine is matched, and power output is balanced.

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 self-propelled round pasture baler, and relates to the technical field of pasture balers, the self-propelled round pasture baler comprises a baling device and a tractor head used for pulling the baling device to move, the baling device comprises a shell, a picking and feeding assembly, a forage twisting assembly, a round baling assembly and a power assembly, the forage twisting assembly is provided with a fixed conveying belt and a movable conveying belt which are in reverse transmission, when the movable conveying belt and the fixed conveying belt are attached, forage is twisted into pieces and conveyed to the round bundling assembly, and when the movable conveying belt and the fixed conveying belt are separated, the forage is conveyed to the round bundling assembly in a clustered mode; the round bundling assembly comprises a core forming guide roller set, a movable adjusting roller, a plurality of supporting rollers, a round bundling belt wound around the adjusting roller and the supporting rollers, and a control structure used for controlling the round bundling belt to be tensioned. By controlling the position of the adjusting roller, a new grass core is regenerated in a core forming area in the grass bale net winding process, parallelization of operation is achieved, and automatic continuous operation is achieved.

The agricultural tillage land preparation machine comprises a first rack, and first supporting plates are fixed to the four corners of the first rack correspondingly. Through the arrangement of the soil transverse cutting structure, the soil longitudinal cutting device and the soil block smashing structure, when a tractor slowly pulls the device to move forwards, the soil transverse cutting structure can leave transverse cutting grooves in the surface of a cultivated land; the longitudinal soil cutting device can cut the ground between two adjacent transverse cutting grooves left on the cultivated land after the transverse soil cutting structure works into a plurality of blocks, and the soil block crushing structure can crush soil blocks which are cut into blocks after the transverse soil cutting structure and the longitudinal soil cutting device work; the broken soil is discharged from the through holes in the arc-shaped soil screening plate, so that when the device is used for soil preparation, cultivated land can be firstly cut into small blocks, then soil blocks are shoveled up from the bottoms of the soil blocks and are broken, and the purpose of uniformly breaking a planting soil layer on the earth surface is effectively 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.

An agricultural baler includes a bale chamber, a tailgate arranged in a rear section of the bale chamber, and a controller. The tailgate moves between a closed position and an open position to eject a bale from the baler. The controller receives a signal indicating the bale status and, in response to the signal, stops the power take-off (“PTO”) operation of a tractor connected to the baler or restarts the PTO operation.

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.

A method of braking a tractor-trailer includes sensing, autonomously, a braking event, the braking event being indicative of a requirement for braking the tractor-trailer and actuating a trailer brake valve of a trailer of the tractor-trailer to apply trailer brakes prior to actuating a tractor brake valve of a tractor of the tractor-trailer to apply tractor brakes and to apply trailer brakes. Actuating the trailer brake valve of the trailer of the tractor-trailer occurs in response to the sensing of the braking event.

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.

The invention discloses a parallel hydraulic steering system of an unmanned tractor, which relates to the field of hydraulic steering systems and comprises a hydraulic steering module, a middle-position hydraulic module, a manual left steering hydraulic module, an unmanned left steering hydraulic module, an overload protection module and a system fault analysis module. And a middle-position hydraulic module, a manual left steering hydraulic module and an unmanned left steering hydraulic module are arranged in the hydraulic steering module. According to the parallel hydraulic steering system of the unmanned tractor, when the tractor normally runs in a straight line, a steering gear and a steering control valve set do not work, due to the fact that the ground is uneven and a steering oil cylinder is impacted by pressure, a first overload overflow valve and a first oil supplementing one-way valve are arranged for protecting the oil cylinder; the oil cylinder B port reaches the overload overflow valve to the T port and returns to the oil tank; meanwhile, the T-port oil return box reaches the first oil supplementing one-way valve to the left cavity of the A port of the steering oil cylinder, and the oil cylinder is prevented from being impacted and the left cavity is prevented from sucking air.

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 the technical field of data monitoring, in particular to a tilling depth online monitoring system and method for a traction type tilling and soil preparation machine tool, and the method specifically comprises the steps: obtaining the real-time operation state data of the tilling and soil preparation machine tool through a sensor network, and obtaining the real-time point cloud data of the soil surface through a laser scanning device; calculating and obtaining a real-time machine tool tilling depth uniform value of the tilling and soil preparation machine tool, and calculating and obtaining a real-time soil disturbance uniform value of the tilling and soil preparation machine tool; and according to the real-time machine tool tilling depth uniform value and the real-time soil disturbance uniform value, performing coupling evaluation on the first-round tilling quality of the traction type tilling and soil preparation machine tool, and according to the first-round tilling quality coefficient, performing operation guidance on secondary-round turnover tilling. The problems that in the prior art, due to the fact that real-time monitoring on the tilling depth and soil disturbance is lacked, the tilling depth is not uniform, soil disturbance is not consistent, the soil structure and fertility are further affected, and finally crop growth and yield reduction are caused are solved.

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.