694 results about "Soil compaction" patented technology

The invention discloses a backfill soil foundation compaction quality on-site detection method and system. The method comprises the steps that instantaneous acceleration signals of a vibrating wheel in the soil compaction construction process are collected in real time through a three-axis acceleration sensor; the acceleration signal comprises a three-axis acceleration component; recording the number of construction times through construction equipment, collecting position information of a construction area by using a GPS (Global Positioning System), and synchronously binding the acceleration signal with the number of construction times and the position information through timestamps to form a data set corresponding to the position of the construction area; performing spectral analysis on the acceleration signal in the data set, and extracting a dominant frequency amplitude and a first harmonic amplitude to generate a filtered acceleration signal; the filtered acceleration signals are input into a training single-hidden-layer BP neural network, and the soil dry density is calculated in combination with the number of construction times; based on the ratio of the calculated soil dry density to the standard maximum dry density, the soil compactness in the construction area is determined in combination with the position information, and a construction area compactness distribution diagram is generated through the upper computer to optimize the construction strategy.

An agricultural system can include an implement including a frame assembly. A basket assembly can be operably coupled with the frame assembly. A basket assembly actuator can be operably coupled with the basket assembly and the frame assembly. The basket assembly actuator can be configured to alter a position of the basket assembly relative to the frame assembly. A computing system can be communicatively coupled to the basket assembly actuator. The computing system can include a processor and associated memory, the memory storing instructions that, when implemented by the processor, configure the computing system to receive a defined soil finish, receive data indicative of a soil profile, determine a soil compaction limit based on the soil profile, and determine a defined basket assembly actuator position based at least partially on the soil compaction limit and the defined soil finish.

The invention discloses a sower operation soil compaction detection and evaluation method, and relates to the field of agriculture. The invention aims to solve the problem that soil is damaged due to soil compaction in the operation process of the seeder. The invention relates to a sower operation soil compaction detection and evaluation method. The method comprises the following steps: collecting characteristic data of a sower and carrying out standardization processing; calculating the soil compaction degree by utilizing the characteristic data of the sowing machine after standardization treatment; calculating a risk index according to the soil compaction degree; and calculating a comprehensive score according to the risk index, and realizing early warning according to the comprehensive score.

The invention discloses a crop straw returning soil fertility evaluation method based on the Internet of Things, particularly relates to the technical field of agricultural soil evaluation, and is used for solving the problem that the risk that the negative effect of a soil physical structure exceeds the positive effect cannot be warned in time in the prior art. A straw returning area is divided into a plurality of sub-areas, straw returning uniformity and straw processing quality are analyzed based on the Internet of Things, and soil risk sub-areas are determined. And then, analyzing the time sequence data by adopting a long-short-term memory network model, predicting the probability that the negative effect exceeds the positive effect, evaluating the spatial effect of the adjacent sub-regions through a geographically weighted regression model, and finally comprehensively evaluating and early warning the out-of-control degree of the straw returning to the soil fertility. The dynamic monitoring and evaluation precision of the soil structure change is improved, and the problems of soil compaction, fertility decline and the like are effectively prevented.

The invention relates to the technical field of soil film mulching machines, and discloses a rice and wheat saline-alkali soil film mulching machine and a using method thereof.The rice and wheat saline-alkali soil film mulching machine comprises a supporting cylinder, symmetrical shells are fixedly connected to the two ends of the supporting cylinder in a penetrating mode, one end of a film roller frame is fixedly connected to the side wall of the middle of each shell, and a traction frame is rotationally installed on a transverse rod of each film roller frame; the device further comprises a supporting frame, a connecting plate at the top of the supporting frame is fixedly installed on the outer wall of the shell, a disc at the bottom of the supporting frame is coaxially and rotationally sleeved with a wheel ring, and a coaxially-arranged gear ring is fixedly installed on the inner wall of the wheel ring. According to the rice and wheat saline-alkali soil film mulching machine and the using method, the two sides and the top of a mulching film can be covered with soil at the same time, the device can automatically compact soil on the two sides after covering the soil, and therefore the fixing effect of the device on the mulching film is improved, meanwhile, the soil collecting mechanism of the device can keep a certain soil collecting amount, and the working efficiency is improved. And the subsequent mulching film soil covering amount is prevented from being too small.

The invention provides a method and a system for detecting construction flatness and compactness, which are applied to the field of measurement data processing. The compaction degree in the construction process is detected in real time on the basis of the preset electromagnetic induction sensor of the road roller, the problem that construction parameters cannot be adjusted in time by relying on sampling inspection after construction is completed in a traditional method is solved, electromagnetic parameters (such as electrical conductivity, dielectric constant and magnetic conductivity) are collected and matched with the compaction state of the construction ground, and the construction quality is improved. According to the method, the soil compaction condition is evaluated in real time, when insufficient compaction is found, the additional rolling times are automatically calculated, and the operation parameters of the road roller are dynamically adjusted according to the compaction distribution thermodynamic diagram, so that the construction precision and efficiency are improved, the condition of excessive compaction or insufficient compaction can be avoided, rework and resource waste are reduced, and the construction efficiency is improved. And real-time data feedback and automatic adjustment functions are provided, and intelligent management of the construction process is realized, so that the construction quality and the resource utilization rate are greatly improved.

The invention relates to an underground engineering construction design technology, discloses a method for analyzing the influence of underground excavation under-crossing on an existing subway station, and improves the efficiency and precision of analyzing the influence of underground excavation under-crossing construction on the existing subway station. The method comprises the steps that by defining a structure and geometrical shapes and material attributes of a stratum, boundary conditions and external loads are set, grid division is carried out, and a finite element three-dimensional basic calculation model is constructed; according to theories of porous media and the like, a multi-physical field coupling model of a seepage-deformation-temperature full coupling effect is constructed; the rigidity of the underground excavation vertical pile foundation is calculated, and the rigidity of the underground excavation vertical pile foundation is corrected based on the influence factors of the soil squeezing effect and the negative friction resistance; subsurface excavation construction is subdivided into a plurality of stages, structural stress, deformation and stratum displacement are calculated through an incremental method, and the timeliness of a supporting structure and the influence of different excavation modes on stratum disturbance are analyzed; and obtaining a structural response through finite element iteration solution, and judging the influence of underground excavation under-crossing on the existing subway station.

The invention discloses a method for detecting the soil compaction degree of an agricultural tire, solves the problem of how to reduce the adverse consequence of soil compaction, and belongs to the field of agricultural machinery experiments. The method comprises the following steps: paving a pressure sensing film on soil to be detected, pressing a tire on the pressure sensing film at a set roll angle, counting pressure point positions and corresponding pressure values of three areas on the pressure sensing film, and further calculating the pressure sum Pt of each area; obtaining pressure weights wI, wII and wIII of the three regions according to the influence of the roll angle on the pressures of the different regions, and calculating the total pressure PD corresponding to the roll angle according to the formula: PD = PIwI + PIIwII + PIIIwIII; the total pressure PD corresponding to different roll angles theta D is obtained, and the total grounding pressure # imgabs0 # wD is calculated as the influence weight of the roll angles theta D; and calculating the total compaction degree C according to the PZ. According to the method, the influence mechanism of different roll angles of the tire on the ground pressure distribution and the soil compaction degree is quantified, and a quantitative basis is provided for optimizing the tire width, the tire pressure and mechanical operation conditions.

The invention belongs to the technical field of agricultural irrigation, and particularly relates to a deep-buried drip irrigation tape laying device capable of preventing tape overturning, in the device, a tape winding drum is detachably connected to an unwinding mechanism, a drip irrigation tape is wound on the tape winding drum, the unwound drip irrigation tape is fed between a furrow opener and a tape pressing wheel along a guide mechanism, and along with advancing of a rack, the drip irrigation tape is wound around the tape winding drum. The drip irrigation belt is laid in a groove formed by the ditching mechanism, then soil is compacted through the soil pressing mechanism, laying is achieved, in the process, through the arrangement of the guide mechanism and the belt pressing wheel, the belt floating and belt turning phenomena in the unwinding and laying process can be effectively avoided, the height of the ditching device is adjustable, and the practicability is high. The ditching depth of the ditcher can be adjusted according to actual use requirements; according to the drip irrigation belt laying device, the phenomena of belt floating and belt turning in the drip irrigation belt laying process can be effectively avoided, and the drip irrigation belt laying depth is adjustable.

The invention relates to a pneumatic downward-pressing type full-automatic high-speed transplanter which comprises a tray supply device, a seedling feeding device, a seedling taking device, a planting device, a seedling tray recycling mechanism, a land wheel synchronous driving system, a pressing mechanism, a pneumatic system, a whole machine control system, a three-point suspension frame and the like. Automatic high-speed operation of vegetable transplanting is realized according to the operation procedures of orderly tray supply, continuous seedling feeding, one-by-one high-speed seedling taking and dropping integration, long-time zero-speed planting and soil covering and compacting, and the problems that the seedling taking and dropping processes of a full-automatic transplanter are complicated, and the long-time zero-speed planting process is difficult to realize during high-speed operation are solved. And high-speed seedling taking, throwing and transplanting operation is realized.

The invention relates to the field of farmland soil fertility improvement, and discloses a farmland soil fertility improvement method, which comprises the steps of data acquisition, data screening, data primary analysis, soil nutrient regulation, data secondary analysis and evaluation, pH value detection and monitoring feedback. A farmland with low soil fertility is screened out, then preliminary analysis and evaluation of soil nutrients are carried out, soil with insufficient nutrients is adjusted, next analysis is carried out on soil with sufficient nutrients, secondary analysis is carried out, the compaction degree of a soil structure is evaluated, and adjustment is carried out on the situation that the compaction degree of the soil is high. Next-step pH value detection is carried out under the condition that the soil compaction degree is not high, whether the pH value of the soil needs to be adjusted or not is judged, the soil without pH value adjustment is continuously monitored, the pH value of the soil with the pH value not reaching the standard is adjusted, and the improvement effect of the farmland fertility is monitored in real time.

The invention belongs to the technical field of intelligent agriculture and soil mechanical modeling, and particularly relates to a farmland soil mechanical compaction stress distribution prediction model construction method, which comprises the following steps: S1, constructing a stress distribution measurement model, and arranging stress sensors; s2, obtaining a wheel load and a surface stress of a wheel soil contact surface based on a vertical stress collected by a stress sensor; s3, measuring the stress transfer coefficient of each layer of soil by using a uniaxial compression test; s4, calculating the concentration coefficient of each layer of soil; and S5, obtaining a soil stress distribution model of the ith layer. The model can be used as a bottom-layer mechanical engine of a soil compaction evaluation system, supports data input of an upper-layer risk prediction module, and provides favorable technical support for subsequent prediction of soil compaction, so that effective measures can be taken to avoid soil compaction in advance.

The invention provides a calcium humic acid modified biochar composite material as well as a preparation method and application thereof. The preparation method specifically comprises the following steps: preparing calcium modified biochar powder from biochar powder and a calcium source; mixing humic acid with the calcium modified charcoal powder, filtering and drying to obtain a calcium humic acid modified charcoal composite material; wherein the mass ratio of the humic acid to the calcium modified charcoal powder is 1: (2-20). When the calcium humic acid modified biochar composite material is used as a soil remediation agent for soil remediation, the pH value, the organic matter content and the cation exchange capacity of soil can be improved, the soil hardening degree is relieved, heavy metal lead and cadmium and ions thereof can be immobilized in the modes of ion exchange, electrostatic adsorption, surface complexing, deposition and the like, and the soil remediation efficiency is improved. The soil heavy metal content is further reduced.

The invention discloses an in-field operation path planning method of a corn harvester for soil mechanical compaction and reduction, belongs to the field of agricultural machinery dispatching, and aims to solve the problem that soil compaction is intensified due to the fact that a path is not planned for in-field mechanical operation. The method comprises the following steps: acquiring furrow and boundary point information of a farmland to be planned; arranging a sensor; judging whether the to-be-planned farmland is a regular field, and if so, constructing an in-field path planning model of the regular field; solving the in-field path planning model of the regular field by using a grey wolf optimization algorithm, and outputting an optimal path of the regular field operation; if the field parcel is not the regular field parcel, judging whether the turning radius is smaller than the maximum turning radius allowed by the field parcel or not, if yes, executing an I-type turning method, if not, executing an II-type turning method, obtaining optimal turning path parameters under the two turning methods by using a cuckoo search algorithm, and performing path planning on the irregular field parcel by using an immune algorithm; and outputting the optimal path of the irregular field operation.

The invention discloses a straw returning machine control system and method for soil mechanical compaction and reduction, and belongs to the technical field of agricultural machinery control. The problem that in the operation process of an existing straw returning machine, control parameters cannot be adaptively modified according to the current soil state, and the soil mechanical compaction state is serious is solved. The system adopts a soil comprehensive pressure resistance calculation module to calculate the soil comprehensive pressure resistance; the soil comprehensive compaction degree calculation module calculates the soil comprehensive compaction degree; a first adjustment parameter determination module is further adopted to determine one first adjustment parameter by taking the cutter angular speed, the cutter shaft torque and the operation depth as to-be-adjusted operation parameters; and calculating the adjustment amount of the first adjustment parameter by adopting a first adjustment parameter updating module, and determining the current adjustment value of the first adjustment parameter according to the current value and the current adjustment value of the first adjustment parameter. According to the invention, the pre-judgment and control of the soil compaction effect are realized to the greatest extent.

The invention discloses a soil compaction depth testing method. The method comprises the following steps: calibrating soil particle parameters; establishing a simulation soil bin model according to a parameter calibration result; eDEM and Recurdyn software are utilized for coupling simulation analysis of the influence of different operation factors on the soil compaction depth, a single-factor test is conducted, and the operation factors with the remarkable compaction depth are screened out for further simulation test; performing simulation by using the screened operation factors to obtain corresponding soil compaction depths of the operation factors in different parameter ranges, performing nonlinear power function regression analysis on simulation test results by using SPSS 27 software, and establishing a mathematical model between the screened factors and the soil compaction depths; by using the method, a mathematical model of the operation factor and the compaction depth can be accurately established, real-time acquisition of the soil compaction depth during operation is facilitated, and a basis is provided for precision improvement during later tilling depth detection.

The invention provides a microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and a preparation method of the microbial agent type bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening comprises the following raw materials: an organic material, a microbial agent, an inorganic nutritional ingredient, vinasse and an additive, wherein the organic material is composed of livestock and poultry manure, crop straw, tobacco waste and a fermentation inoculant; the additive is prepared from humic acid, seaweed extract and amino acid. The organic fertilizer contains rich organic materials and humic acid, the content of organic matters in soil can be increased, the granular structure of the soil can be improved, the growth of soil-borne pathogenic bacteria can be inhibited by the added multiple beneficial microorganisms, the micro-ecological environment of the soil can be improved by the photosynthetic bacteria, and the incidence rate of diseases such as tobacco black shank and bacterial wilt can be reduced.

System and methods for modeling, planning, and monitoring soil compaction. Laboratory test and historical data establish an historical baseline. A predictive baseline is computed from the historical baseline and a predictive site model. During the soil compaction of a calibration area, a predictive compaction model is computed from providing compaction scores obtained from standard tests, loose measurement maps and a compacted vibration map. During the soil compaction vibration data is used in conjunction with the predictive compaction to compute a compaction value. Upon detecting that the compaction value is within the target compaction threshold, an operator is notified.

The invention relates to the technical field of agricultural machinery, in particular to a ditching machine for soybean planting. The device comprises a walking tractor head, a furrow plough, a furrow cutter and a dumping plough, soil compaction mechanisms are rotationally installed on the two sides of the end, away from the furrow cutter, of the dumping plough, and each soil compaction mechanism comprises a compaction assembly and a ventilation assembly; according to the device, through the synergistic effect of the compaction assembly and the ventilation assembly, balance of soil compaction and ventilation is achieved, the compaction assembly can effectively compact the ditch wall, prevent soil from loosening and slipping and ensure the stability of the gully, and the ventilation assembly is provided with a plurality of ventilation holes in the compaction process through the design of ventilation rods and barbs, so that the soil can be effectively compacted, and the ventilation effect is improved. The soil is compacted and ventilated, so that the air permeability of the soil is ensured, the respiration and healthy growth of soybean root systems are facilitated, and the compaction and air permeability coexisting collaborative design not only improves the environmental quality of the soil, but also provides good conditions for the growth of soybeans.

The invention belongs to the technical field of seed cultivation equipment, and discloses seed and seedling cultivation equipment and a cultivation method.The seed and seedling cultivation equipment comprises a frame body, a cultivation carrying frame is slidably connected into the frame body in a sleeved mode, the top of the cultivation carrying frame is sleeved with a hole tray frame, and an ultrasonic nebulizer is fixedly arranged in the cultivation carrying frame. According to the device, water replenishing treatment is conducted on seed cultivation, liquid beads are atomized at the bottom and permeate into soil, the problems that the water amount control difficulty is large during top irrigation and soil hardening is caused are solved, water supply consumption is reduced, soil hardening is avoided, the good refined water replenishing effect is achieved, and meanwhile through cooperation of a second slit and a condensation column, the water replenishing efficiency is improved. According to the device, redundant atomized liquid beads are dispersed to the upper portion of the hole tray frame, the upper and lower face water supplementing effect is achieved aiming at atomization contact of the top of soil, the condensation column makes contact with the atomized liquid beads, condensation and convergence are achieved, the slow drip irrigation effect is simulated, the multiple irrigation water supplementing effect is achieved, and the comprehensive use effect is good.

The invention belongs to the technical field of agricultural mechanization and intelligent equipment, and particularly relates to a corn harvester operation soil compaction degree judgment method based on machine tool real-time parameters, in particular to a soil compaction degree judgment method. The invention aims to solve the problem of low soil compaction prediction accuracy caused by the fact that the existing soil compaction prediction method considers soil indexes and machine pressure and does not consider the influence of dynamic indexes which can be autonomously controlled by a driver on soil compaction. The method comprises the steps of 1, collecting a feature data training set; 2, obtaining a standardized feature data training set; 3, obtaining an optimal compaction degree prediction model; 4, constructing an optimal comprehensive compaction degree model; 5, constructing an optimal compaction early warning model; 6, constructing an optimal comprehensive compaction risk early warning model; 7, collecting a to-be-detected feature data set, obtaining an optimal comprehensive compaction degree model of the to-be-detected feature data set, and outputting a comprehensive compaction degree value and a risk early warning level; and 8, pushing on a screen end in real time.

The invention discloses a corn planter in-field path planning method for soil mechanical compaction and reduction, and relates to the technical field of agricultural machinery path planning. The invention aims to solve the problems that the existing corn planter path planning method is low in seeding efficiency and the growth of corn crops is influenced by multiple times of soil compaction. The method comprises the following steps: acquiring in-field furrow information and boundary point information of irregular field parcels, clustering the irregular field parcels, and dividing the irregular field parcels into a plurality of regular field parcels; setting a seed and fertilizer supplementing point position in each regular field; and planning the global seeding path based on the position of the seed fertilizer supplement point to obtain a final seeding path. The method is used for planning the corn seeding path.

The invention relates to the technical field of geological environment monitoring, in particular to a stability monitoring method for ecological slope protection of an expressway. The method comprises the following steps: acquiring remote sensing data of an expressway monitoring area; performing water and soil loss area detection according to the remote sensing data of the highway monitoring area to obtain water and soil loss area data; performing erosion intensity analysis according to the water and soil loss area data to obtain erosion intensity data; extracting vegetation coverage data of the water and soil loss area data; performing drainage clogging analysis according to the vegetation coverage data and the erosion intensity data to obtain drainage clogging data; performing soil stability analysis based on the drainage clogging data to obtain soil stability data; and detecting the soil compaction degree according to the soil stability data. Based on the geological environment monitoring technology, the detection and prediction precision of water and soil loss, soil stability and ecological slope protection stability of the highway monitoring area is improved, and the landslide prevention and ecological protection efficiency is improved.

An unbalance exciter is described, comprising at least two unbalance shafts (21, 22) arranged parallel to each other; wherein each of the unbalance shafts (21, 22) has its own separately controllable drive (23, 24) for generating a drive torque; wherein a coupling device (27) is provided for coupling the two unbalance shafts (21, 22) in opposite directions; wherein the coupling device (27) has a play device (31) for enabling controlled play in the rotational positions of the two unbalance shafts (21, 22) relative to each other; and wherein the play device (31) enables play between the two unbalance shafts (21, 22) with a predetermined angle of rotation, the angle of rotation being selected from a range of 45° to 315°.

The invention provides modified polysiloxane and also provides a preparation method of the modified polysiloxane, and the preparation method comprises the following steps: mixing low-hydrogen-content silicone oil with allyl alcohol polyether and allyl glycidyl ether, heating, adding a catalyst, and carrying out an addition reaction to obtain the modified polysiloxane. The invention also provides an application of the modified polysiloxane as a soil loosening agent, and the modified polysiloxane is used for reducing the soil bulk density and / or increasing the soil porosity, and is also used for improving the water absorption and / or water retention of the soil. By applying the modified polysiloxane soil loosening agent disclosed by the invention, the soil bulk density is effectively reduced, the soil compactness is reduced, and the soil porosity is improved, so that the soil hardening is remarkably improved, the crop growth is promoted, and the modified polysiloxane soil loosening agent is green and safe and has important economic value and environmental significance.

The invention relates to the field of agricultural machinery. The stubble cleaning, deep scarification, crushing and mixing combined soil preparation machine for the saline-alkali soil is provided. The stubble cleaning machine mainly comprises a high-speed stubble cleaning part (1), a power subsoiler part (2), a rack type crushing and mixing part (3), a rack (4), a three-point suspension device (5), a power subsoiler part gearbox (6), a main gearbox (7), a universal joint transmission shaft (8) and a stubble cleaning and crushing and mixing part transmission system (9). The stubble cleaning part (1) is composed of two rows of stubble cleaning blades (104) rotating at a high speed, straw can be fully smashed, meanwhile, the first row of blades cut and preliminarily smash the straw on the earth surface, the second row of blades further smash the straw and throw straw particles to the periphery, the small-particle straw can be fully mixed with soil more easily, straw decomposition is promoted, and the stubble cleaning effect is better. The soil organic matter content is increased; the power subsoiling shovel part (2) can cut and throw soil, compared with an existing subsoiler, the subsoiling mechanism has the advantages that transverse extrusion on the soil is smaller, the granular structure of the soil cannot be damaged, a plow pan is not prone to being formed, underground water can be conveniently sucked upwards in drought and permeated into water on the ground in waterlogging, and the performance of the subsoiling mechanism is better than that of a subsoiling plow. According to the rack type crushing and mixing part (3), a rack rotating at a high speed is matched with a spring, soil thrown in the air is rapidly beaten, the problems that soil hardening of the saline-alkali soil is serious, and soil blocks are not prone to being ground and crushed are solved, and pressing teeth can press straw particles into the soil and fully stir the straw particles, so that the straw particles are mixed more evenly; the compacting teeth can compact the soil after deep scarification, and soil crushing, mixing, compacting, soil leveling and the like are completed.

The invention discloses a PLC (programmable logic controller) control type film-laying and pipe-laying straight-insertion precision seeding all-in-one machine, and belongs to the technical field of seeders, the PLC control type film-laying and pipe-laying straight-insertion precision seeding all-in-one machine comprises a machine body and a seed storage unit assembled on the machine body, one side of the machine body is connected with a film-laying unit and a pipe-laying unit through an extension frame, a straight-insertion assembly is assembled on the extension frame, and the straight-insertion assembly comprises a synchronous frame inserted on the extension frame; a first electric hydraulic push rod of which one end is connected with the synchronous frame is mounted in the middle of the extension frame; through the arrangement of the film laying unit, the pipe laying unit and the direct insertion unit, the functions of film laying, pipe laying, sowing and film breaking are integrated, full-process mechanical operation is achieved, traditional manual operation is replaced, the labor cost and time investment are greatly reduced, and the machine is particularly suitable for large-scale planting scenes; the air permeability and moisture retention are balanced, oxygen deficit caused by soil hardening is prevented, the situation that seedlings are scalded due to the fact that the mulching film is not broken in high-temperature weather can be avoided as much as possible, and the crop survival rate is increased.

The invention relates to the technical field of in-field path planning, in particular to a reel type sprinkler in-field path planning method for soil mechanical compaction subduction. The invention aims to solve the problems of low sprinkling irrigation efficiency according to the planned path and soil structure damage caused by soil compaction in the existing path planning method in the field. The method comprises the following steps: dividing field parcels by adopting a convex edge scanning algorithm to obtain regular field parcels and irregular field parcels; acquiring initial ridges of sprinkling irrigation paths of the regular field parcels and the irregular field parcels; and planning a sprinkling irrigation path in the field to obtain a planned in-field path, and then starting sprinkling irrigation from the starting ridge. The in-field path planning method is used for in-field path planning of the reel type sprinkling machine.

The invention relates to the technical field of railway engineering, and discloses an intelligent monitoring method for continuous compaction of a railway roadbed, which comprises the following steps: step 1, setting a test section and preparing for data acquisition: dividing a test section area and installing intelligent continuous compaction equipment on a road roller, acquiring a plurality of construction parameters such as soil compaction degree, rolling times, road roller pressure, vibration frequency and environment temperature and humidity; and 2, data acquisition and transmission: acquiring the construction parameters in real time, and transmitting the data to a cloud data platform through a wireless network for storage and analysis. By means of the intelligent continuous compaction system, the quality uniformity and accuracy in the railway roadbed compaction process are improved, and the problems of pressure leakage and overpressure are avoided; the construction efficiency is improved, and the construction period is shortened; the traceability of construction quality is enhanced, and the management level is improved; manual intervention is reduced, and personal errors are reduced; data support and technical reference are provided for later maintenance and similar projects, and the method has high popularization value.

A soil compaction device for compacting soil is specified, comprising a vibration exciter device (14) for generating a vibration for soil compaction, in which at least two parameters that influence the vibration generated by the vibration exciter device (14) are variable; a soil compaction measuring device (18) for detecting a compaction state of the soil; and a control device (1, 17) for adjusting at least one of the at least two parameters; wherein the control device (1, 17) is designed to automatically adjust at least one of the at least two variable parameters depending on the detected compaction state and a predetermined set of rules.