Potato seed cutting machine and control system thereof

Abstract

The invention relates to the technical field of agricultural machinery control, in particular to a potato seed cutting machine and a control system thereof.The potato seed cutting machine comprises an information acquisition module used for acquiring parameter information of the potato seed cutting machine, topographic information of farming land and soil parameters and further used for acquiring environment information and the bud rate of cut potato seeds in real time, a disease analysis module and a control module, the system comprises a soil salinity anomaly analysis module used for analyzing soil salinity anomaly and soil structure types and analyzing disease states of potato planting, a potato seed analysis module used for analyzing material distribution speed and nutrient states of cultivated land and further analyzing screening weight of potato seeds, and a control module used for controlling the potato seed analysis module and the potato seed analysis module. The control module is used for controlling output power of a power distribution box of the potato seed cutting machine and grading gaps of grading rollers, and the feedback updating module is used for updating the analysis process of the material distribution speed. The seed cutting efficiency of the potato seed cutting machine is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery control, and particularly relates to a potato seed cutting machine and its control system. Background Art

[0002] As one of the important food crops globally, the seed cutting link in the potato planting process plays a crucial role in improving yield and quality. Traditional manual seed cutting is inefficient, and it is difficult to ensure the consistency of seed cutting quality, which is prone to disease transmission and seed waste.

[0003] Chinese Patent Publication No. CN107066280A discloses an intelligent control system and method for a potato cutting machine based on machine vision. The system includes a machine vision module, a MATLAB image processing module, a PLC control module, a transportation power module, a cutting machine power module, and a feeding port sensing module. Among them, the machine vision module is connected to the MATLAB image processing module; the MATLAB image processing module and the PLC control module are connected through a Wincc OPC server; the PLC control module is respectively connected to the transportation power module and the feeding port sensing module, and is connected to the cutting machine power module through a frequency conversion module. This invention has the advantages of energy conservation, ensuring complete potato cutting, preventing blockage of the feeding port of the potato cutting machine, and greatly improving the potato cutting efficiency. Thus, it can be seen that this invention does not analyze the potato cultivation land, and there are problems of low potato yield and low potato seed cutting efficiency. Summary of the Invention

[0004] Therefore, the present invention provides a potato seed cutting machine and its control system to overcome the problems of low potato yield and low potato seed cutting efficiency in the prior art.

[0005] To achieve the above object, the present invention provides a potato seed cutting machine and its control system, including:

[0006] An information acquisition module, used to acquire the parameter information of the potato seed cutting machine, the terrain information and soil parameters of the cultivated land, and also used to acquire the environmental information and the sprouting rate of the seed potatoes after cutting in real time;

[0007] A disease analysis module, used to analyze the soil salinity abnormality and soil structure type according to the soil parameters, and analyze the disease state of potato planting according to the analysis results of the soil salinity abnormality and soil structure type;

[0008] A seed potato analysis module, used to analyze the cloth speed according to the analysis result of the disease state of potato planting, and also used to analyze the nutrient state of the cultivated land according to the soil parameters and the terrain information of the cultivated land, and also used to analyze the screening weight of the seed potatoes according to the analysis result of the nutrient state of the cultivated land and the analysis result of the disease state of potato planting;

[0009] A control module for controlling the output power of the power distribution box of the potato seed cutting machine and the grading gap of the grading roller according to the screening weight analysis result and the cloth speed analysis result of the seed potatoes;

[0010] A feedback update module for updating the analysis process of the screening weight of the seed potatoes according to the sprouting rate of the seed potatoes.

[0011] Further, the disease analysis module is provided with a disease analysis unit for analyzing the disease state of potato planting according to the analysis results of the soil salt abnormality and the soil structure type of the cultivated land, wherein:

[0012] When the soil structure type of the cultivated land is a powder soil structure, if the soil salt abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salt abnormality is abnormal and (α - A) / A < A1, the disease analysis unit determines that the disease state of potato planting is a fungal disease; if the soil salt abnormality is abnormal and (α - A) / A ≥ A1, the disease analysis unit determines that the disease state of potato planting is a physiological disease;

[0013] When the soil structure abnormality of the cultivated land is a fine-grained soil structure, if the soil salt abnormal state is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salt abnormality is abnormal and (α - A) / A < A2, the disease analysis unit determines that the disease state of potato planting is a fungal disease; if the soil salt abnormality is abnormal and (α - A) / A ≥ A2, the disease analysis unit determines that the disease state of potato planting is a physiological disease;

[0014] When the soil section abnormality of the cultivated land is a clod soil type, if the soil salt abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salt abnormal state is abnormal and (α - A) / A < A3, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salt abnormal state is abnormal and (α - A) / A ≥ A3, the disease analysis unit determines that the disease state of potato planting is a physiological disease;

[0015] Wherein, A1 is the first preset disease constant, A2 is the second preset disease analysis index, A3 is the third preset disease analysis index, and A1 < A2 < A3.

[0016] Further, it further includes an adjustment and optimization module, which is used to analyze soil conditions based on soil pH, soil temperature, and soil humidity, and adjust the analysis result of the disease state of potato planting according to the analysis result of soil conditions. The adjustment and optimization module is also used to optimize the adjustment result of the disease state of potato planting according to climate information;

[0017] The adjustment and optimization module is provided with an environment adjustment unit. The environment adjustment unit compares the abnormal growth index γ of potatoes with each preset environmental real-time index, analyzes the soil conditions according to the comparison result, and the environment adjustment unit also adjusts the analysis result of the disease state of potato planting according to the analysis result of soil conditions, where:

[0018] When γ < Y1, the environment adjustment unit determines that the current soil conditions are good, and adjusts each preset disease index to Ai', and sets Ai' = Ai × cos[(Y1 - γ) / Y1];

[0019] When Y1 ≤ γ < Y2, the environment adjustment unit determines that the current soil conditions are normal and does not perform adjustment;

[0020] When γ ≥ Y2, the environment adjustment unit determines that the current soil conditions are abnormal, and adjusts each preset disease index to Ai'', and sets Ai'' = Ai × {1 + arctan[(γ - Y2) / Y1]};

[0021] Wherein, Y1 is the first preset environmental abnormality coefficient, Y2 is the second preset environmental abnormality coefficient, Y1 < Y2, and i = 1, 2, 3 is set.

[0022] Further, the adjustment and optimization module is also provided with a meteorological optimization unit, which is used to optimize the adjustment result of the disease state of potato planting according to climate information;

[0023] The meteorological optimization unit compares the historical precipitation f of the cultivated land with the preset precipitation F, and optimizes the adjustment result of the disease state of potato planting according to the comparison result, where:

[0024] When f < F, the meteorological optimization unit determines that the climate conditions are normal and does not perform optimization;

[0025] When f ≥ F, the meteorological optimization unit determines that the climate conditions are abnormal, and optimizes the first preset environmental coefficient to Y1', and sets Y1' = Y1 × {1 - sin[(f - F) / F]}.

[0026] Further, the seed potato analysis module is provided with a seed potato distribution analysis unit, which is used to analyze the distribution speed according to the analysis result of the disease state of potato planting, where:

[0027] When the disease state of potato planting is a fungal disease, the seed potato cloth analysis unit sets the cloth rate to V1, and sets V1 = V × {1 - [Ai - (α - A) / A] / Ai};

[0028] When the disease state of potato planting is normal, the seed potato cloth analysis unit sets the cloth rate to V2, and sets V2 = V;

[0029] When the disease state of potato planting is a physiological disease, the seed potato cloth analysis unit sets the cloth rate to V3, and sets V3 = V × {1 + [(α - A) / A - Ai] / Ai}.

[0030] Furthermore, the seed potato analysis module is also provided with a nutrient analysis unit, and the nutrient analysis unit is used to analyze the nutrient state of the cultivated land according to the soil parameters and the terrain information of the cultivated land, where:

[0031] When (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ < S1, the nutrient analysis unit determines that the nutrient state of the cultivated land is barren;

[0032] When S1 ≤ (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ < S2, the nutrient analysis unit determines that the nutrient state of the cultivated land is normal;

[0033] When (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ ≥ S2, the nutrient analysis unit determines that the nutrient state of the cultivated land is fertile;

[0034] Wherein, a1 is the weight of soil nitrogen element, a2 is the weight of soil phosphorus element, a3 is the weight of soil potassium element, PN is the standard soil nitrogen element content, pn is the soil nitrogen element content of the cultivated land, PP is the standard soil phosphorus element content, pp is the soil phosphorus element content of the cultivated land, PK is the standard soil potassium element content, pk is the soil potassium element content of the cultivated land, a1 + a2 + a3 = 1, θ is the soil terrain slope angle, S1 is the first preset soil fertility maintenance coefficient, S2 is the second soil fertility maintenance coefficient, and S1 < S2.

[0035] Furthermore, the seed potato analysis module is also provided with a seed potato analysis unit, and the seed potato analysis unit is used to analyze the screening weight of the seed potato according to the analysis result of the disease state of potato planting and the analysis result of the nutrient state of the cultivated land, where:

[0036] When the nutrient status of the cultivated land is poor, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W1, and sets W1 = W × {exp[(B1 - β) / B1] + [S1 - (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ] / S1}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W2, and sets W2 = W × {1 + [S1 - (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ] / S1}; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of the seed potato to W3, and sets W3 = W × {1 + sin{[S1 - (a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ] / S1}};

[0037] When the nutrient status of the cultivated land is normal, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W4, and sets W4 = W × {1 + sin[(B1 - β) / B1]}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W5, and sets W5 = W; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of the seed potato to W6, and sets W6 = W × {1 - sin[(β - B2) / B2]};

[0038] When the nutrient status of the cultivated land is fertile, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W7, and sets W7 = W × W; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W8, and sets W8 = {1 - [(a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ - S2] / S2}; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of the seed potato to W9, and sets W9 = {1 + [(a1 × pn / PN + a2 × PP / pp + a3 × pk / PK) × sinθ - S2] / S2};

[0039] Among them, W is the preset screening weight of the seed potato.

[0040] Further, the control module controls the output power of the power distribution box of the potato seed cutting machine and the grading gap of the grading roller according to the seed potato cloth rate and the analysis result of the screening weight of the seed potato;

[0041] The control module sets the output power of the power distribution box to P, and sets P = P0 × [1 + (Vj - V) / V];

[0042] The control module sets the grading gap of the grading roller as R, and sets R = R0×[1+(Wz - W) / W];

[0043] wherein, R0 is the standard grading gap, P0 is the rated power of the power distribution box, and j = 1, 2, 3, z = 1, 2, 3, 4, 5, 6, 7, 8, 9 are set.

[0044] Furthermore, the feedback update module updates the analysis process of the cloth feeding speed according to the bud rate μ of the seed potatoes, wherein:

[0045] When μ < U, the feedback update module determines that the bud rate of the seed potatoes is low, and updates the preset screening weight of the seed potatoes to W’, and sets W’ = W×arctan[(U - μ) / U];

[0046] When μ ≥ U, the feedback update module determines that the bud rate of the seed potatoes is normal and does not perform an update;

[0047] wherein, U is the preset bud rate of the seed potatoes.

[0048] On the other hand, the present invention also provides a potato seed cutting machine, including:

[0049] A main frame, with a platform guardrail provided below it. The platform guardrail is used to provide safety protection measures. Wheel assemblies are provided on both sides below the main frame. The wheel assemblies are used to support the main frame for movement. A traction turntable is provided on one side of the main frame. The traction turntable is used to control the steering and rotation during traction movement. A traction frame is provided on one side of the traction turntable. The traction frame is used to connect with a tractor. A power distribution box is provided at one end of the main frame away from the traction turntable. The power distribution box is used to supply electrical energy to the cloth feeding mechanism;

[0050] A cloth feeding mechanism, which is used for feeding, cloth feeding, and cutting large tuber seed potatoes;

[0051] A controller, which is used to control the feeding and cloth feeding processes of the cloth feeding mechanism.

[0052] Compared with the prior art, the beneficial effects of the present invention are as follows: by analyzing the disease state of the potato planting process through the disease analysis module, the accuracy of the disease state analysis is improved; by adjusting and optimizing the analysis process of the disease state through the adjustment and optimization module, the accuracy of the disease state analysis is improved; by analyzing the screening weight and cloth feeding speed of the seed potatoes through the seed potato analysis module, the accuracy of the seed potato screening process analysis is improved; by controlling the output power of the power distribution box of the potato seed cutting machine and the grading gap of the grading roller through the control module, the efficiency of the seed cutting process of the potato seed cutting machine and the accuracy of the seed cutting size are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1This is a schematic structural diagram of a control system for a potato seed cutting machine in this embodiment.

[0054] Figure 2 This is a schematic structural diagram of a disease analysis module in this embodiment.

[0055] Figure 3 This is a schematic structural diagram of an adjustment and optimization module in this embodiment.

[0056] Figure 4 This is a schematic structural diagram of a seed potato analysis module in this embodiment.

[0057] Figure 5 This is a schematic structural diagram of a potato seed cutting machine in this embodiment.

[0058] Figure 6 This is a front view structural diagram of an adjustment roller assembly in this embodiment.

[0059] Figure 7 This is a side view structural diagram of an adjustment roller assembly in this embodiment.

[0060] Figure 8 This is a front view structural diagram of a grading roller assembly in this embodiment.

[0061] Figure 9 This is a side view structural diagram of a grading roller assembly in this embodiment.

[0062] Figure 10 This is a schematic structural diagram of a cutter assembly in this embodiment.

[0063] Figure 11 This is a schematic structural diagram of a rubber soft roller in this embodiment.

[0064] Figure 12 This is a schematic structural diagram of a lifting sieve in this embodiment. Detailed implementation manners

[0065] In order to make the objectives and advantages of the present invention more clear and understandable, the present invention will be further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0066] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and do not limit the protection scope of the present invention.

[0067] It should be noted that in the description of the present invention, the terms indicating the direction or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0068] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0069] Please refer to Figure 1 as shown, which is a schematic structural diagram of the control system of the potato seed cutting machine in this embodiment, including

[0070] an information acquisition module, which is used to acquire the parameter information of the potato seed cutting machine, the terrain information of the cultivated land, and the soil parameters, and is also used to acquire the environmental information and the sprouting rate of the seed potatoes after cutting in real time; the parameter information of the potato seed cutting machine includes the standard grading gap and the rated power of the power distribution box; the terrain information of the cultivated land includes the soil terrain slope angle, the optimum growth pH value and the optimum growth temperature of potatoes; the soil parameters of the cultivated land include the nitrogen element content, the phosphorus element content and the potassium element content, the intergranular pore size, the average soil particle volume, the chloride ion concentration of the cultivated land, the sulfate ion concentration of the cultivated land, and the nitrate ion concentration of the cultivated land; the environmental information includes climate information and soil fluctuation parameters; the environmental information includes soil pH value, soil temperature, soil humidity and historical precipitation; in this embodiment, the acquisition methods of the parameter information of the potato seed cutting machine, the terrain information of the cultivated land, the soil parameters, the environmental information and the sprouting rate of the seed potatoes after cutting are not specifically limited, and those skilled in the art can set them freely as long as their acquisition requirements are met, such as through user interaction.

[0071] a disease analysis module, which is used to analyze the soil salt abnormality and the soil structure type according to the soil parameters, and analyze the disease state of potato planting according to the analysis results of the soil salt abnormality and the soil structure type. The disease analysis module is connected to the information acquisition module.

[0072] An adjustment and optimization module is used to analyze soil conditions based on environmental information, and adjust the analysis result of the disease status of potato planting according to the analysis result of soil conditions. The adjustment and optimization module is also used to optimize the adjustment result of the disease status of potato planting according to climate information. The adjustment and optimization module is connected to the disease analysis module;

[0073] A seed potato analysis module is used to analyze the cloth feeding speed according to the analysis result of the disease status of potato planting, and is also used to analyze the nutrient status of the cultivated land according to soil parameters and the topographic information of the cultivated land. The seed potato analysis module is also used to analyze the screening weight of seed potatoes according to the analysis result of the nutrient status of the cultivated land and the analysis result of the disease status of potato planting. The seed potato analysis module is connected to the adjustment and optimization module;

[0074] A control module is used to control the output power of the power distribution box of the potato seed cutting machine and the grading gap of the grading roller according to the analysis results of the screening weight of seed potatoes and the cloth feeding speed. The control module is connected to the seed potato analysis module;

[0075] A feedback and update module is used to update the analysis process of the screening weight of seed potatoes according to the sprouting rate of seed potatoes. The feedback and update module is connected to the control module.

[0076] Please refer to Figure 2 as shown, which is a schematic structural diagram of the disease analysis module of this embodiment, including

[0077] A salt anomaly analysis unit is used to analyze the soil salt anomaly according to the soil parameter information of the cultivated land;

[0078] A structure type analysis unit is used to analyze the soil structure type of the cultivated land according to soil structure parameters;

[0079] A disease analysis unit is used to analyze the disease status of potato planting according to the analysis results of the soil salt anomaly and the soil structure type of the cultivated land. The disease analysis unit is connected to the salt anomaly analysis unit and the structure type analysis unit.

[0080] Please refer to Figure 3 as shown, which is a schematic structural diagram of the adjustment and optimization module of this embodiment, including

[0081] An environment adjustment unit is used to analyze soil conditions according to environmental information, and adjust the analysis result of the disease status of potato planting according to the analysis result of soil conditions;

[0082] A meteorological optimization unit is used to optimize the adjustment result of the disease status of potato planting according to climate information. The meteorological optimization unit is connected to the environment adjustment unit.

[0083] Please refer to Figure 4 as shown in the figure, which is a schematic structural diagram of the seed potato analysis module in this embodiment, including

[0084] a seed potato cloth analysis unit for analyzing the cloth speed according to the analysis result of the disease state of potato planting;

[0085] a nutrient analysis unit for analyzing the nutrient state of the cultivated land according to the soil parameters and topographic information of the cultivated land, and the nutrient analysis unit is connected to the seed potato cloth analysis unit;

[0086] a seed potato analysis unit for analyzing the screening weight of the seed potato according to the analysis result of the disease state of potato planting and the analysis result of the nutrient state of the cultivated land, and the seed potato analysis unit is connected to the nutrient analysis unit.

[0087] Specifically, the control system of the potato seed cutting machine in this embodiment is applied to the controller of the potato seed cutting machine; the present invention analyzes the cultivated land and controls the operation process of the potato seed cutting machine according to the analysis result, thereby improving the seed cutting efficiency of the potato seed cutting machine.

[0088] Specifically, the disease analysis module is provided with a salt anomaly analysis unit, and the salt anomaly analysis unit analyzes the soil salt anomaly according to the soil parameter information of the cultivated land;

[0089] the salt anomaly analysis unit calculates the soil salt index α according to the soil parameters of the cultivated land, and sets α = ln{1 + [ρ(CL) - PCL] / PCL + [ρ(SO4) - PSO4] / PSO4 + [ρ(NO3) - PNO3 / PNO3]};

[0090] where ρ(CL) is the chloride ion concentration of the cultivated land, PCL is the standard chloride ion concentration, ρ(SO4) is the sulfate ion concentration of the cultivated land, PSO4 is the standard sulfate ion concentration, ρ(NO3) is the nitrate ion concentration of the cultivated land, and PNO3 is the standard nitrate ion concentration;

[0091] the salt anomaly analysis unit compares the soil salt index α with the preset salt index A and analyzes the soil salt anomaly of the cultivated land according to the comparison result, where:

[0092] when α < A, the salt anomaly analysis unit determines that the soil salt anomaly of the cultivated land is normal;

[0093] when α ≥ A, the salt anomaly analysis unit determines that the soil salt anomaly of the cultivated land is abnormal.

[0094] Specifically, the salt anomaly analysis unit analyzes the soil salt anomaly based on the soil parameter information of the cultivated land, improving the accuracy of the disease state analysis of potato planting and ultimately enhancing the cutting efficiency of the potato cutting machine; in this embodiment, no specific limitation is imposed on the value of the preset salt index A, and those skilled in the art can freely set it as long as the value requirement of the preset salt index A is satisfied. For example, the preset salt index A can be set to 0.2; the standard chloride ion concentration, the standard sulfate ion concentration, and the standard nitrate ion concentration are obtained through user interaction input.

[0095] Specifically, the disease analysis module is also provided with a structure type analysis unit, which analyzes the soil structure type of the cultivated land according to the soil structure parameters, where:

[0096] When β < B1, the structure type analysis unit determines that the soil structure type of the cultivated land is a powdery soil structure;

[0097] When B1 ≤ β < B2, the structure type analysis unit determines that the soil structure type of the cultivated land is a fine-grained soil structure;

[0098] When β ≥ B2, the structure type analysis unit determines that the soil structure type of the cultivated land is a clumpy soil structure;

[0099] Among them, B1 is the first preset soil structure index, B2 is the second preset soil structure index, B1 < B2, β is the soil structure index, and β is set to ln(1 + h / D), where h is the size of the intergranular pores and D is the average soil particle volume.

[0100] Specifically, the structure type analysis unit analyzes the soil structure type of the cultivated land according to the soil structure parameters, improving the accuracy and control efficiency of the control of the potato cutting machine and ultimately enhancing the cutting efficiency of the potato cutting machine; in this embodiment, no specific limitation is imposed on the values of the first preset soil structure index B1 and the second preset soil structure index B2, and those skilled in the art can freely set them as long as the value requirements of the first preset soil structure index B1 and the second preset soil structure index B2 are satisfied. For example, the first preset soil structure index B1 can be set to 0.1, and the second preset soil structure index B2 can be set to 0.3.

[0101] Specifically, the disease analysis module is also provided with a disease analysis unit, which analyzes the disease state of potato planting according to the analysis results of the soil salt anomaly and the soil structure type analysis results of the cultivated land, where:

[0102] When the soil structure type of the cultivated land is powdery soil structure, if the soil salinity abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormality is abnormal and (α - A) / A < A1, the disease analysis unit determines that the disease state of potato planting is fungal disease; if the soil salinity abnormality is abnormal and (α - A) / A ≥ A1, the disease analysis unit determines that the disease state of potato planting is physiological disease;

[0103] When the soil structure abnormality of the cultivated land is fine-grained soil structure, if the soil salinity abnormal state is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormality is abnormal and (α - A) / A < A2, the disease analysis unit determines that the disease state of potato planting is fungal disease; if the soil salinity abnormality is abnormal and (α - A) / A ≥ A2, the disease analysis unit determines that the disease state of potato planting is physiological disease;

[0104] When the soil node abnormality of the cultivated land is clump soil type, if the soil salinity abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormal state is abnormal and (α - A) / A < A3, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormal state is abnormal and (α - A) / A ≥ A3, the disease analysis unit determines that the disease state of potato planting is physiological disease;

[0105] Among them, A1 is the first preset disease constant, A2 is the second preset disease analysis index, A3 is the third preset disease analysis index, and A1 < A2 < A3.

[0106] Specifically, the disease analysis unit analyzes the disease state of potato planting by according to the analysis results of the soil salinity abnormality and the soil structure type of the cultivated land, improving the accuracy of the disease state analysis of potato planting, and finally improving the cutting efficiency of the potato cutting machine; in this embodiment, the values of the first preset disease constant A1, the second preset disease analysis index A2, and the third preset disease analysis index A3 are not specifically limited, and those skilled in the art can set them freely, as long as the value requirements of the first preset disease constant A1, the second preset disease analysis index A2, and the third preset disease analysis index A3 are met. For example, the first preset disease constant A1 can be set to 0.1, the second preset disease analysis index A2 can be set to 0.2, and the third preset disease analysis index A3 can be set to 0.3.

[0107] Specifically, the adjustment and optimization module is provided with an environment adjustment unit, which is used to analyze the soil conditions according to the environmental information and adjust the analysis results of the disease status of potato planting according to the analysis results of the soil conditions;

[0108] The environment adjustment unit calculates the potato growth anomaly index γ according to the soil pH value ph, soil temperature t, and soil humidity s, and sets γ = ln{[|ph - PH| / PH] × |t - T| / T × s};

[0109] Among them, PH is the optimal growth pH value of potatoes, and T is the optimal growth temperature of potatoes;

[0110] The environment adjustment unit compares the potato growth anomaly index γ with each preset environmental real-time index, analyzes the soil conditions according to the comparison results, and the environment adjustment unit also adjusts the analysis results of the disease status of potato planting according to the analysis results of the soil conditions, where:

[0111] When γ < Y1, the environment adjustment unit determines that the current soil conditions are good and adjusts each preset disease index to Ai', and sets Ai' = Ai × cos[(Y1 - γ) / Y1];

[0112] When Y1 ≤ γ < Y2, the environment adjustment unit determines that the current soil conditions are normal and does not make adjustments;

[0113] When γ ≥ Y2, the environment adjustment unit determines that the current soil conditions are abnormal and adjusts each preset disease index to Ai'', and sets Ai'' = Ai × {1 + arctan[(γ - Y2) / Y1]};

[0114] Among them, Y1 is the first preset environmental anomaly coefficient, Y2 is the second preset environmental anomaly coefficient, Y1 < Y2, and i = 1, 2, 3 is set.

[0115] Specifically, the environment adjustment unit improves the accuracy of the analysis of the disease status of potato planting by analyzing the soil conditions according to the environmental information and adjusting the analysis results of the disease status of potato planting according to the analysis results of the soil conditions, thereby improving the accuracy and control efficiency of the control of the potato seed cutter, and finally improving the seed cutting efficiency of the potato seed cutter; in this embodiment, no specific limitations are imposed on the values of the first preset environmental anomaly coefficient Y1 and the second preset environmental anomaly coefficient Y2, and those skilled in the art can freely set them as long as the value requirements of the first preset environmental anomaly coefficient Y1 and the second preset environmental anomaly coefficient Y2 are met. For example, the first preset environmental anomaly coefficient Y1 can be set to 0.1, and the second preset environmental anomaly coefficient Y2 can be set to 0.4.

[0116] Specifically, the adjustment and optimization module is further provided with a meteorological optimization unit, which optimizes the adjustment result of the disease state of potato planting according to climate information;

[0117] The meteorological optimization unit compares the historical precipitation f of the cultivated land with the preset precipitation F, and optimizes the adjustment result of the disease state of potato planting according to the comparison result, where:

[0118] When f < F, the meteorological optimization unit determines that the climate condition is normal and does not perform optimization;

[0119] When f ≥ F, the meteorological optimization unit determines that the climate condition is abnormal, and optimizes the first preset environmental coefficient to Y1’, where Y1’ = Y1 × {1 - sin[(f - F) / F]}.

[0120] Specifically, by optimizing the adjustment result of the disease state of potato planting, the meteorological optimization unit improves the accuracy of the analysis of the disease state of potato planting, thereby improving the accuracy and control efficiency of the control of the potato cutting machine, and ultimately improving the cutting efficiency of the potato cutting machine; it can be understood that in this embodiment, no specific limitation is imposed on the value of the preset precipitation F, and those skilled in the art can freely set it as long as the value requirement of the preset precipitation F is satisfied. For example, the preset precipitation F can be set to 2000 mm.

[0121] Specifically, the seed potato analysis module is further provided with a seed potato cloth analysis unit, which analyzes the cloth speed according to the analysis result of the disease state of potato planting, where:

[0122] When the disease state of potato planting is fungal disease, the seed potato cloth analysis unit sets the cloth rate to V1, where V1 = V × {1 - [Ai - (α - A) / A] / Ai};

[0123] When the disease state of potato planting is normal, the seed potato cloth analysis unit sets the cloth rate to V2, where V2 = V;

[0124] When the disease state of potato planting is physiological disease, the seed potato cloth analysis unit sets the cloth rate to V3, where V3 = V × {1 + [(α - A) / A - Ai] / Ai};

[0125] Among them, V is the preset potato cutting cloth rate.

[0126] Specifically, it can be understood that in this embodiment, no specific limitation is imposed on the value of the preset potato cutting cloth rate V, and those skilled in the art can freely set it as long as the value requirement of V is satisfied. For example, V can be set to 5 cm / s.

[0127] Specifically, the seed potato analysis module is provided with a nutrient analysis unit. The nutrient analysis unit analyzes the nutrient status of the cultivated land according to the soil parameters and the topographic information of the cultivated land, where:

[0128] When (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ < S1, the nutrient analysis unit determines that the nutrient status of the cultivated land is barren;

[0129] When S1 ≤ (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ < S2, the nutrient analysis unit determines that the nutrient status of the cultivated land is normal;

[0130] When (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ ≥ S2, the nutrient analysis unit determines that the nutrient status of the cultivated land is fertile;

[0131] Wherein, a1 is the weight of nitrogen element in the soil, a2 is the weight of phosphorus element in the soil, a3 is the weight of potassium element in the soil, PN is the standard nitrogen element content in the soil, pn is the nitrogen element content in the soil of the cultivated land, PP is the standard phosphorus element content in the soil, pp is the phosphorus element content in the soil of the cultivated land, PK is the standard potassium element content in the soil, pk is the potassium element content in the soil of the cultivated land, a1 + a2 + a3 = 1, θ is the slope angle of the soil topography, S1 is the first preset soil fertility retention coefficient, S2 is the second soil fertility retention coefficient, and S1 < S2.

[0132] Specifically, by analyzing the nutrient status of the cultivated land according to the soil parameters and the topographic information of the cultivated land, the nutrient analysis unit improves the accuracy of the analysis of the nutrient status of the cultivated land, thereby improving the accuracy and control efficiency of the control of the potato cutting machine, and ultimately improving the cutting efficiency of the potato cutting machine; In this embodiment, the values of the first preset soil fertility retention coefficient S1 and the second soil fertility retention coefficient S2 are not specifically limited, and those skilled in the art can freely set them as long as the value requirements of S1 and S2 are met. For example, S1 can be set to 1.3 and S2 can be set to 1.5.

[0133] Specifically, the seed potato analysis module is further provided with a seed potato analysis unit. The seed potato analysis unit analyzes the screening weight of the seed potato according to the analysis result of the disease status of potato planting and the analysis result of the nutrient status of the cultivated land, where:

[0134] When the nutrient status of the cultivated land is poor, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screened weight of the seed potato to W1, and sets W1 = W × {exp[(B1 - β) / B1] + [S1 - (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ] / S1}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screened weight of the seed potato to W2, and sets W2 = W × {1 + [S1 - (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ] / S1}; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screened weight of the seed potato to W3, and sets W3 = W × {1 + sin{[S1 - (a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ] / S1}};

[0135] When the nutrient status of the cultivated land is normal, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screened weight of the seed potato to W4, and sets W4 = W × {1 + sin[(B1 - β) / B1]}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screened weight of the seed potato to W5, and sets W5 = W; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screened weight of the seed potato to W6, and sets W6 = W × {1 - sin[(β - B2) / B2]};

[0136] When the nutrient status of the cultivated land is fertile, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screened weight of the seed potato to W7, and sets W7 = W × W; if the disease status of potato planting is normal, the seed potato analysis unit sets the screened weight of the seed potato to W8, and sets W8 = {1 - [(a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ - S2] / S2}; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screened weight of the seed potato to W9, and sets W9 = {1 + [(a1×pn / PN + a2×PP / pp + a3×pk / PK)×sinθ - S2] / S2};

[0137] Among them, W is the preset screened weight of the seed potato.

[0138] Specifically, the seed potato analysis unit analyzes the screening weight of the seed potato by based on the analysis results of the disease state of potato planting and the nutrient state of the cultivated land, improving the accuracy of the analysis of the screening weight of the seed potato, thereby improving the accuracy and control efficiency of the control of the potato slicing machine, and ultimately improving the slicing efficiency of the potato slicing machine; in this embodiment, no specific limitation is imposed on the value of the preset seed potato screening weight W, and those skilled in the art can freely set it as long as the value requirement of the preset seed potato screening weight W is satisfied. For example, the preset seed potato screening weight W can be set to 45 g.

[0139] Specifically, the control module controls the output power of the power distribution box of the potato slicing machine and the grading gap of the grading roller according to the seed potato feeding rate Vj and the screening weight Wz of the seed potato, where j = 1, 2, 3, z = 1, 2, 3, 4, 5, 6, 7, 8, 9;

[0140] The control module sets the output power of the power distribution box as P, and sets P = P0 × [1 + (Vj - V) / V];

[0141] The control module sets the grading gap of the grading roller as R, and sets R = R0 × [1 + (Wz - W) / W];

[0142] Among them, R0 is the standard grading gap, and P0 is the rated power of the power distribution box.

[0143] Specifically, the control module controls the output power of the power distribution box of the potato slicing machine and the grading gap of the grading roller according to the seed potato feeding rate and the screening weight of the seed potato, improving the accuracy of the analysis of the screening weight of the seed potato, thereby improving the accuracy and control efficiency of the control of the potato slicing machine; it can be understood that in this embodiment, no specific limitation is imposed on the acquisition method of the standard grading gap R0 and the rated power P0 of the power distribution box, and those skilled in the art can freely set them as long as the acquisition requirements of the standard grading gap R0 and the rated power P0 of the power distribution box are satisfied. For example, they can be obtained by means of user interaction input.

[0144] Specifically, the feedback update module updates the analysis process of the screening weight of the seed potato according to the sprouting rate μ of the seed potato, where:

[0145] When μ < U, the feedback update module determines that the sprouting rate of the seed potato is low, and updates the preset seed potato screening weight to W', and sets W' = W × arctan[(U - μ) / U];

[0146] When μ ≥ U, the feedback update module determines that the sprouting rate of the seed potato is normal and does not perform an update;

[0147] Among them, U is the preset sprouting rate of the seed potato.

[0148] Specifically, the feedback update module updates the analysis process of the screening weight of the seed potatoes according to the sprouting rate of the seed potatoes, improves the accuracy of the analysis of the screening weight of the seed potatoes, and further improves the accuracy and control efficiency of the control of the potato seed cutting machine, and finally improves the seed cutting efficiency of the potato seed cutting machine; it can be understood that in this embodiment, no specific limitation is imposed on the value of the preset sprouting rate U of the seed potatoes, and those skilled in the art can freely set it as long as the value requirement of U is met. For example, the preset sprouting rate U can be set to 80%.

[0149] Please refer to Figure 5 as shown, in this embodiment, the potato seed cutting machine includes:

[0150] The main frame (1) is provided with a platform guardrail (2) below it. The platform guardrail (2) is used to provide safety protection measures. Wheel assemblies (13) are provided on both sides below the main frame (1). The wheel assemblies (13) are used to support the main frame (1) for movement. A traction turntable (11) is provided on one side of the main frame (1). The traction turntable (11) is used to control the steering and rotation during traction movement. A traction frame (12) is provided on one side of the traction turntable (11). The traction frame (12) is used to connect with the tractor. A power distribution box (14) is provided at one end of the main frame (1) away from the traction turntable (11). The power distribution box (14) is used to supply electrical energy to the feeding mechanism;

[0151] The feeding mechanism is used for feeding, distributing materials and cutting large tuber seed potatoes;

[0152] A controller (not shown in the figure) is used to control the feeding and material distribution processes of the feeding mechanism.

[0153] Please continue to refer to Figure 5 as shown, in this embodiment, the feeding mechanism includes: a lifting screen (10), which is used for feeding. An inlet coating chamber (3) is provided on one side of the lifting screen (10). The inlet coating chamber (3) is used to spray coating agent on the surface of the potatoes. A grading roller assembly (7) is provided on the side of the inlet coating chamber (3) opposite to the lifting screen (10). The grading roller assembly (7) is used to screen seed potatoes of a preset weight. An adjusting roller assembly (6) is provided on one side of the bottom of the grading roller assembly (7). The adjusting roller assembly (6) is used to receive the seed potatoes that do not pass the screening, and distribute, tumble and arrange the seed potatoes. A cutter assembly (8) is provided on one side of the adjusting roller assembly (6). The cutter assembly (8) is used to cut the seed potatoes. A rubber soft roller (9) is provided on the side of the cutter assembly (8) away from the adjusting roller assembly (6). The rubber soft roller (9) is used to perform secondary cutting on the cut seed potato pieces. An outlet disinfection chamber (4) is provided on one side of the rubber soft roller (9). The outlet disinfection chamber (4) is used to perform ultraviolet irradiation disinfection and sterilization on the cut seed potatoes. A small potato collecting belt (5) is provided below the outlet disinfection chamber (4). The small potato collecting belt (5) is used to collect and output the seed potatoes.

[0154] Please refer to Figure 6 as shown, which is a front view structural schematic diagram of the adjusting roller assembly in this embodiment. The adjusting roller assembly includes: an adjusting roller motor reducer (68) for providing power. On one side of the adjusting roller motor reducer (68), there is an adjusting roller self-rotating shaft (66) for slowly turning and rolling the seeds arranged on the adjusting roller (65). On the side of the adjusting roller self-rotating shaft (66) away from the adjusting roller motor reducer (68), there is a transmission shaft (67) for transmitting power and torque.

[0155] Please refer to Figure 7 as shown, which is a side view structural schematic diagram of the adjusting roller assembly in this embodiment. The adjusting roller assembly further includes: an integral roller transmission shaft (61) for driving the adjusting roller (65) to rotate. On one side of the adjusting roller transmission shaft (61), there is an adjusting roller (65) for conveying the seeds after cloth laying, tumbling and arranging into the cutter assembly (8). Below the adjusting roller transmission shaft (61), there are an adjusting roller driving sprocket (63) and an adjusting roller driving chain (64), both of which are used to drive the adjusting roller (65) to rotate; the adjusting roller assembly further includes an adjusting roller redirecting shaft (62) for controlling the redirecting and rotation of the adjusting roller.

[0156] Please refer to Figure 8As shown, it is the front view structural schematic diagram of the grading roller assembly of this embodiment. The grading roller assembly includes: a rubber spindle roller (73) for feeding materials and cleaning mud. A grading roller (78) is provided below the rubber spindle roller (73) for screening seed potatoes. A rubber spindle roller sprocket (74) is provided on one side of the grading roller (78) for driving the rotation of the rubber spindle roller (73). A rubber spindle roller chain (713) is sleeved outside the rubber spindle roller sprocket (74) for driving the grading roller bearing-mounted sprocket (711) and the grading roller shaft-mounted sprocket (712). A sprocket shaft (77) is provided on the side of the rubber spindle roller (73) away from the rubber spindle roller sprocket (74) for connecting the grading roller bearing-mounted sprocket (711). The grading roller bearing-mounted sprocket (711) is for driving the rubber spindle roller (73). A grading roller shaft-mounted sprocket (712) is provided below the grading roller bearing-mounted sprocket (711) for driving the rotation of the grading roller (78). A grading roller transmission shaft (714) is provided on the side of the grading roller shaft-mounted sprocket (712) away from the grading roller (78) for transmitting power. A grading roller motor reducer (715) is provided on the side of the grading roller transmission shaft (714) away from the grading roller shaft-mounted sprocket (712) for providing power for the grading roller assembly (7).

[0157] Please refer to Figure 9 As shown, it is the side view structural schematic diagram of the grading roller assembly of this embodiment. The grading roller assembly further includes: a rubber spindle roller transmission shaft (71). A rubber spindle roller driven shaft (72) is provided on one side of the rubber spindle roller transmission shaft (71). Both the rubber spindle roller transmission shaft (71) and the rubber spindle roller driven shaft (72) are for driving the rotation of the rubber spindle roller (73). A grading roller transmission shaft (75) and a grading roller driven shaft (76) are provided on the side of the rubber spindle roller transmission shaft (71) away from the rubber spindle roller driven shaft (72). Both the grading roller transmission shaft (75) and the grading roller driven shaft (76) are for driving the rotation of the grading roller (78). A 4-hole mounting plate (79) is provided below the grading roller driven shaft (76). A 5-hole mounting plate (710) is provided on one side of the 4-hole mounting plate (79). Both the 4-hole mounting plate (79) and the 5-hole mounting plate (710) are for radially adjusting the grading roller gap and screening large-sized seed potatoes.

[0158] Specifically, this embodiment is provided with a plurality of grading roller drive shafts, grading roller driven shafts, and rubber spindle roller driven shafts. The number of grading roller drive shafts, grading roller driven shafts, and rubber spindle roller driven shafts in this embodiment is not specifically limited, and those skilled in the art can freely set them as long as the quantity requirements of the grading roller drive shafts, grading roller driven shafts, and rubber spindle roller driven shafts are met. For example, the number of grading roller drive shafts can be set to 7, the number of grading roller driven shafts can be set to 7, and the number of rubber spindle roller driven shafts can be set to 5.

[0159] Please refer to Figure 10 As shown, it is a schematic structural diagram of the cutter assembly of this embodiment. The cutter assembly includes: a cutter motor reducer (88), which provides power for the cutter assembly (8). A cutter drive shaft (86) is provided on one side of the cutter motor reducer (88), and the cutter drive shaft (86) is used to drive the cutter shaft (81). A cutter coupling (87) is used to connect to the cutter shaft (81). A cutter positioning sleeve (84), a cutter positioning pin (85), and a cutter spacer sleeve (83) are sleeved outside the cutter shaft (81). The cutter positioning sleeve (84), the cutter positioning pin (85), and the cutter spacer sleeve (83) are all used for assembling and positioning the disc cutter (82), and the disc cutter (82) is used to cut large tuber seeds.

[0160] Please refer to Figure 11 As shown, it is a schematic structural diagram of the rubber soft roller of this embodiment. The rubber soft roller includes: a rubber soft roller motor reducer (94), which provides power for the rubber soft roller (9). A reducer drive shaft (92) is provided on one side of the rubber soft roller motor reducer (94), and the reducer drive shaft (92) is used to connect to the rubber soft roller coupling (93). A rubber soft roller assembly (91) is provided on the side of the rubber soft roller coupling (93) away from the reducer drive shaft (92), and the rubber soft roller assembly (91) is used to rotate in opposite directions to clamp the large seeds for secondary cutting.

[0161] Please refer to Figure 12 As shown, it is a schematic structural diagram of the lifting screen of this embodiment. The lifting screen includes: a lifting screen motor reducer (101), which provides power for the lifting screen (10). A driving wheel (102) is provided on one side of the lifting screen motor reducer (101), and the driving wheel (102) is used to drive the lifting screen mesh to rotate and operate. An upper supporting wheel (104) is provided below the driving wheel (102), and a lower supporting wheel (105) is provided on the side lower part of the upper supporting wheel (104). Both the lower supporting wheel (105) and the upper supporting wheel (104) are used to support the lifting screen (10). A lifting screen assembly (106) is provided above the lower supporting wheel (105) and the upper supporting wheel (104), and the lifting screen assembly (106) is used to protect the seed potato skin during feeding and cloth feeding to avoid bumping. A guiding wheel (103) is provided below the lifting screen assembly (106), and the guiding wheel (103) is used to adjust the tightness.

[0162] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easily understood by those skilled in the art that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A potato seed cutter control system, characterized in that: include: An information acquisition module is used to obtain parameter information of a potato seed cutter, topographic information of cultivated land and soil parameters, and is also used to obtain environmental information and the bud rate of seed potatoes after cutting in real time; A disease analysis module is used to analyze soil salinity anomalies and soil structure types according to soil parameters, and to analyze the disease status of potato planting according to the analysis results of soil salinity anomalies and soil structure types; A seed potato analysis module is used to analyze the spreading speed according to the disease status analysis results of potato planting, and is also used to analyze the nutrient status of the cultivated land according to the soil parameters and the topographic information of the cultivated land, and is also used to analyze the screening weight of the seed potatoes according to the nutrient status analysis results of the cultivated land and the disease status analysis results of potato planting; A control module, for controlling the output power of the power distribution box of the potato seed cutter and the grading gap of the grading roller according to the screening weight analysis results and the distribution speed analysis results of the seed potatoes; The feedback update module is used to update the analysis process of the screening weight of the seed potatoes according to the bud rate of the seed potatoes.

2. The potato seed cutter control system according to claim 1, characterized in that: The disease analysis module is provided with a disease analysis unit, which is used to analyze the disease status of potato planting according to the soil salt abnormality analysis results and soil structure type analysis results of the cultivated land, wherein: When the soil structure type of the cultivated land is a powder soil structure, if the soil salinity abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormality is abnormal and (α-A) / A<A1, the disease analysis unit determines that the disease state of potato planting is a fungal disease; if the soil salinity abnormality is abnormal and (α-A) / A≥A1, the disease analysis unit determines that the disease state of potato planting is a physiological disease; When the soil structure abnormality of the cultivated land is a fine-grained soil structure, if the soil salt abnormality state is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salt abnormality is abnormal and (α-A) / A<A2, the disease analysis unit determines that the disease state of potato planting is a fungal disease; if the soil salt abnormality is abnormal and (α-A) / A≥A2, the disease analysis unit determines that the disease state of potato planting is a physiological disease; When the post-holiday abnormality of the soil of the cultivated land is a lumpy soil type, if the soil salinity abnormality is normal, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormality is abnormal and (α-A) / A<A3, the disease analysis unit determines that the disease state of potato planting is normal; if the soil salinity abnormality is abnormal and (α-A) / A≥A3, the disease analysis unit determines that the disease state of potato planting is a physiological disease; Among them, A1 is the first preset disease constant, A2 is the second preset disease analysis index, A3 is the third preset disease analysis index, and A1<A2<A3.

3. The potato seed cutter control system according to claim 1, characterized in that: It also includes an adjustment and optimization module, which is used to analyze soil conditions according to environmental information, and adjust the analysis results of the disease status of potato planting according to the soil condition analysis results, and the adjustment and optimization module is also used to optimize the adjustment results of the disease status of potato planting according to climate information; The adjustment and optimization module is provided with an environment adjustment unit, which compares the potato growth abnormality index γ with each preset environmental real-time index, and analyzes the soil conditions according to the comparison results. The environment adjustment unit also adjusts the analysis results of the disease status of potato planting according to the soil condition analysis results, wherein: When γ<Y1, the environment adjustment unit determines that the soil condition is good, and adjusts each preset disease index to Ai', setting Ai'=Ai×cos[(Y1-γ) / Y1]; When Y1≤γ<Y2, the environment adjustment unit determines that the soil condition is normal and does not make any adjustment; When γ≥Y2, the environment adjustment unit determines that the soil condition is abnormal, and adjusts each preset disease index to Ai", setting Ai"=Ai×{1+arctan[(γ-Y2) / Y1]}; Among them, Y1 is the first preset environmental abnormality coefficient, Y2 is the second preset environmental abnormality coefficient, Y1<Y2, and i=1,2,3.

4. The potato seed cutter control system according to claim 3, characterized in that: The adjustment and optimization module is also provided with a meteorological optimization unit, which is used to optimize the adjustment result of the disease state of potato planting according to climate information; The meteorological optimization unit compares the historical precipitation f of the cultivated land with the preset precipitation F, and optimizes the adjustment result of the disease state of potato planting according to the comparison result, wherein: When f<F, the weather optimization unit determines that the weather conditions are normal and does not perform optimization; When f≥F, the meteorological optimization unit determines that the climatic condition is abnormal, and optimizes the first preset environmental coefficient to Y1', setting Y1'=Y1×{1-sin[(fF) / F]}.

5. The potato seed cutter control system according to claim 4, characterized in that: The seed potato analysis module is provided with a seed potato distribution analysis unit, and the seed potato distribution analysis unit is used to analyze the distribution speed according to the disease status analysis result of potato planting, wherein: When the disease state of potato planting is fungal disease, the seed potato distribution analysis unit sets the distribution rate to V1, and sets V1=V×{1-[Ai-(α-A) / A] / Ai}; When the disease status of potato planting is normal, the seed potato distribution analysis unit sets the distribution rate to V2, and sets V2=V; When the disease state of potato planting is physiological disease, the seed potato distribution analysis unit sets the distribution rate to V3, and sets V3=V×{1+[(α-A) / A-Ai] / Ai}.

6. The potato seed cutter control system according to claim 5, characterized in that: The seed potato analysis module is also provided with a nutrient analysis unit, which is used to analyze the nutrient status of the cultivated land according to soil parameters and topographic information of the cultivated land, wherein: When (a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ<S1, the nutrient analysis unit determines that the nutrient status of the cultivated land is poor; When S1≤(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ<S2, the nutrient analysis unit determines that the nutrient status of the cultivated land is normal; When (a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ≥S2, the nutrient analysis unit determines that the nutrient status of the cultivated land is fertile; Among them, a1 is the soil nitrogen element weight, a2 is the soil phosphorus element weight, a3 is the soil potassium element weight, PN is the standard soil nitrogen element content, pn is the soil nitrogen element content of cultivated land, PP is the standard soil phosphorus element content, pp is the soil phosphorus element content of cultivated land, PK is the standard soil potassium element content, pk is the soil potassium element content of cultivated land, a1+a2+a3=1, θ is the soil terrain slope angle, S1 is the first preset soil fertility retention coefficient, S2 is the second soil fertility retention coefficient, S1<S2.

7. The potato seed cutter control system according to claim 6, characterized in that: The seed potato analysis module is further provided with a seed potato analysis unit, which is used to analyze the screening weight of the seed potatoes according to the analysis results of the disease status of potato planting and the nutrient status of the cultivated land, wherein: When the nutrient status of the cultivated land is poor, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W1, setting W1 = W×{exp[(B1-β) / B1]+[S1-(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ] / S1}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W2 is set as W2=W×{1+[S1-(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ] / S1}; if the disease state of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of seed potatoes to W3, and sets W3=W×{1+sin{[S1-(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ] / S1}}; When the nutrient status of the cultivated land is normal, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W4, and sets W4=W×{1+sin[(B1-β) / B1]}; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W5, and sets W5=W; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of the seed potato to W6, and sets W6=W×{1-sin[(β-B2) / B2]}; When the nutrient status of the cultivated land is fertile, if the disease status of potato planting is fungal disease, the seed potato analysis unit sets the screening weight of the seed potato to W7, and sets W7=W×W; if the disease status of potato planting is normal, the seed potato analysis unit sets the screening weight of the seed potato to W8, and sets W8={1-[(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ-S2] / S2}; if the disease status of potato planting is physiological disease, the seed potato analysis unit sets the screening weight of the seed potato to W9, and sets W9={1+[(a1×pn / PN+a2×PP / pp+a3×pk / PK)×sinθ-S2] / S2}; Where W is the preset seed potato screening weight.

8. The potato seed cutter control system according to claim 7, characterized in that: The control module controls the output power of the power distribution box of the potato seed cutter and the grading gap of the grading roller according to the seed potato distribution rate and the screening weight analysis results of the seed potatoes; The control module sets the output power of the power distribution box to P, and sets P=P0×[1+(Vj-V) / V]; The control module sets the grading gap of the grading roller to R, and sets R=R0×[1+(Wz-W) / W]; Where R0 is the standard classification gap, P0 is the rated power of the power distribution box, and j=1,2,3,z=1,2,3,4,5,6,7,8,9 are set.

9. The potato seed cutter control system according to claim 8, characterized in that: The feedback update module updates the analysis process of the distribution speed according to the seed potato bud rate μ, where: When μ<U, the feedback update module determines that the seed potato sprout rate is low, and updates the preset seed potato screening weight to W', setting W'=W×arctan[(U-μ) / U]; When μ≥U, the feedback update module determines that the seed potato bud rate is normal and does not update; Among them, U is the preset seed potato germination rate.

10. A potato seed cutter, applied to the potato seed cutter control system according to any one of claims 1 to 9, characterized in that: include: The main frame is provided with a platform guardrail below, which is used to provide safety protection measures. Wheel assemblies are provided on both sides below the main frame, which are used to support the main frame to move. A traction turntable is provided on one side of the main frame, which is used to control the steering and rotation during traction movement. A traction frame is provided on one side of the traction turntable, which is used to be connected to the traction vehicle. A power distribution box is provided at one end of the main frame away from the traction turntable, which is used to provide power to the fabric mechanism; A spreading mechanism for feeding, spreading and cutting large tuber seed potatoes; The controller is used to control the feeding and distributing process of the distributing mechanism.

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