CN109299566B - Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part - Google Patents
Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part Download PDFInfo
- Publication number
- CN109299566B CN109299566B CN201811229938.5A CN201811229938A CN109299566B CN 109299566 B CN109299566 B CN 109299566B CN 201811229938 A CN201811229938 A CN 201811229938A CN 109299566 B CN109299566 B CN 109299566B
- Authority
- CN
- China
- Prior art keywords
- subsoiling
- drag
- target
- resistance
- optimizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 title claims abstract description 26
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 238000005457 optimization Methods 0.000 claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 8
- 238000011160 research Methods 0.000 abstract description 4
- 238000009313 farming Methods 0.000 abstract description 3
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000002680 soil gas Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a method for optimizing the performance and evaluating the effect of a lubricating and drag-reducing operation part, wherein the lubricating and drag-reducing operation part provides various apertures, the aspect ratio of a surface groove, and the pressure and the advancing speed change in a hydraulic system of a lubricating and drag-reducing indoor testing device; the method comprises the steps of constructing optimization variables and indexes of a relation model between multiple targets and traction resistance, optimizing subsoiling operation resistance through different weight coefficients on the premise of not sacrificing farming effect, changing parameters of subsoiling operation parts, optimizing subsoiling shovel operation effect, reducing target level stress, guiding scientific research and production, avoiding field tests in research and development, being low in time-saving and labor-saving test cost and improving research and development efficiency.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and relates to a method for optimizing performance and evaluating effect of a lubricating and anti-drag operation part, which is used for reasonably evaluating the anti-drag operation effect of an indoor soil tank.
Technical Field
The subsoiling technology is an important protective farming technology, subsoiling operation effectively breaks the plough bottom layer, promotes the medium exchange of soil gas, liquid and solid phases, enhances the water storage capacity of the field, effectively kills weed and insect pests, and has important significance for increasing yield and improving quality of field crops.
The adhesion of soil to the soil-contacting part and the cutting force when the soil-contacting part advances have great influence on the operation effect, efficiency and quality of the subsoiling operation, and the popularization and the promotion of the subsoiling operation are greatly hindered by the problems. In order to reduce the operation resistance during operation, scientific research personnel propose to reduce the subsoiling resistance by a lubricating mode, combine the subsoiling resistance with layered deep fertilization and field disinfection and obtain good resistance reduction effect. Because the research on the lubricating subsoiling and drag reduction is still in the initial stage, the relation among the flow, the pressure, the advancing speed and the traction resistance in a hydraulic system is not clear, and the uncertainty, the season and the equipment limitation of the physical property of soil are added, so that the limitation exists in all aspects in the test process, the relation between hydraulic parameters and working parameters is designed better for the purpose of defining the lubricating and drag reduction subsoiling operation mechanism, and a test sample piece based on a lubricating subsoiling indoor test bed and an evaluation method of the operation effect of the test sample piece are urgently needed to be designed and provided.
Through the document retrieval of the prior art, the invention patent of China, namely 'mechanical subsoiling operation quality detection and evaluation method and system', has the patent application number of 201610078173.4, the operation area and depth are detected by an ARM platform, and the method is used for evaluating the quality of subsoiling operation; the invention relates to a Chinese patent application No. 201710371669, which is an agricultural machinery subsoiling operation quality evaluation method based on sequencing learning, and solves the problem that an objective evaluation system is not adopted for evaluating the subsoiling operation quality of the existing agricultural machinery.
Disclosure of Invention
Aiming at the defects of the technology, the invention provides a method for optimizing the performance and evaluating the effect of a lubricating and drag-reducing operation part, wherein the lubricating and drag-reducing operation part is provided with a plurality of apertures, the width-height ratio of a surface groove, and the pressure and the advancing speed in a hydraulic system of a lubricating and drag-reducing indoor testing device are changed; and (3) establishing optimized variables and indexes of a relation model between multiple targets and traction resistance, and providing an evaluation method.
The invention adopts the following specific technical scheme:
a method for optimizing the performance and evaluating the effect of lubricating and drag-reducing operation parts mainly comprises the following steps:
1) Selection of decision variables and indexes: determining decision variables and targets of a multi-target optimization model according to the characteristics of a testing device for the operation effect of the lubrication anti-drag subsoiling part and the working condition parameter requirements of the subsoiling part; the decision variables comprise the size of the throttling aperture of the operation part; the aspect ratio of the surface grooves; the testing device for the operation effect of the lubrication drag reduction subsoiling part comprises data such as system pressure and the like, and the targets comprise horizontal resistance, side-measuring resistance and stability of a hydraulic system.
2) Collecting test data: setting different horizontal throttling hole R sizes of the decision variables according to the decision variables and the targets determined in the step 1); surface width to height delta ratio; the system pressure; setting a target horizontal resistance F 1 Side resistance F 2 Hydraulic system P stability λ.
3) Designing a test scheme for optimizing the operation parts and evaluating the operation effect; designing a test scheme according to the test variables and the target, acquiring a target result, giving a weight coefficient to the target result, and converting multi-target optimization into single-target optimization and evaluation; horizontal resistance F 1 For the main source of resistance in subsoiling operations, the main object of the invention is to reduce this resistance, the side resistance F 2 The stability of the pressure P of a hydraulic system is a main source for disturbing the side soil by the subsoiling shovel in the subsoiling operation process so as to protect hydraulic components in the system and prolong the service life of each part of the subsoiling, and the smaller the lambda is, the better the lambda is;
determining a weight coefficient of each target; according to the importance degree of each target, the weighting coefficients a1, a2, a3, a1+ a2+ a3=1 are given, and then the formula of the single objective function is obtained as follows:
F (R,δ，p) ＝a 1 F 1 -a 2 F 2 -a 3 λ；
4) Optimizing and evaluating the structure of the lubrication drag reduction subsoiling part: carrying out data acquisition for three times in the step 2) to obtain F in the step 3) (R,δ，p) I.e. a single objective function formula and result based on decision variables, wherein F (R,δ，p) The smaller the better;
compared with the prior art, the invention has the following beneficial effects:
1. the method adopts the construction of a multi-objective function, and optimizes the subsoiling operation resistance on the premise of not sacrificing the farming effect through different weight coefficients;
2. through changing subsoiling operation part parameter, optimize subsoiling shovel operation effect, reduce target level atress, guide scientific research production, need not to carry out the field test, labour saving and time saving test cost is low, has improved research and development efficiency.
Drawings
FIG. 1 is a flow chart of a method for optimizing the performance and evaluating the effect of a lubrication drag reduction operation part;
Detailed Description
The present invention is further described below in conjunction with specific embodiments, which are examples only and are not intended to limit the scope and application of the present invention.
As shown in figure 1, the invention provides a test sample based on a lubricating and drag-reducing indoor test bed and an effect evaluation method, which comprises the following steps:
1) Selection of decision variables and indexes: determining decision variables and targets of a multi-target optimization model according to the characteristics of a testing device for the operation effect of the lubrication anti-drag subsoiling part and the working condition parameter requirements of the subsoiling part; the decision variable comprises the size of a throttling aperture of the operation part; the aspect ratio of the surface grooves; the testing device for the operation effect of the lubrication drag reduction subsoiling part comprises data such as system pressure and the like, and the targets comprise horizontal resistance, side-measuring resistance and stability of a hydraulic system.
2) Data acquisition: setting different horizontal throttling hole R sizes of the decision variables according to the decision variables and the targets determined in the step 1); surface width to height delta ratio; the system pressure; setting a target horizontal resistance F 1 Side edge resistance F 2 Hydraulic system P stability λ.
3) Designing a test scheme for optimizing the operation parts and evaluating the operation effect; designing a test scheme according to the test variables and the target, acquiring a target result, giving a weight coefficient to the target result, and converting multi-target optimization into single-target optimization and evaluation; horizontal resistance F 1 For the main source of resistance in subsoiling operations, the main object of the invention is to reduce this resistance, the side resistance F 2 For the main source of disturbance of the subsoiler to the side soil during the subsoiling operation, the stability of the pressure P of the hydraulic system is used for protecting the hydraulic pressure in the systemThe assembly prolongs the service life of each part of the deep scarification, and the smaller the lambda is, the better the lambda is;
determining a weight coefficient of each target; according to the importance degree of each target, the weighting coefficients a1, a2, a3, a1+ a2+ a3=1 are given, and then the formula of the single objective function is obtained as follows:
F (R,δ，p) ＝a 1 F 1 -a 2 F 2 -a 3 λ；
4) Optimizing and evaluating the structure of the lubrication drag reduction subsoiling part: carrying out the data acquisition step 2) three times to obtain F in the step 3) (R,δ，p) I.e. a single objective function formula and result based on decision variables, wherein F (R,δ，p) The smaller the better.
Claims (1)
1. A method for optimizing the performance and evaluating the effect of a lubricating and drag-reducing operation part is characterized by comprising the following steps:
1) Selection of decision variables and indexes: determining decision variables and targets of a multi-target optimization model according to the characteristics of a testing device for the operation effect of the lubrication anti-drag subsoiling part and the working condition parameter requirements of the subsoiling part; the decision variables comprise the size of the throttling aperture of the operation part; the aspect ratio of the surface grooves; the system pressure data of the testing device for the operation effect of the lubrication drag reduction subsoiling part, wherein the targets comprise horizontal resistance, side resistance and stability of a hydraulic system;
2) Collecting test data: according to the decision variable and the target determined in the step 1), setting the R sizes R of different horizontal orifices of the decision variable 1 、R 2 、R 3 (ii) a The surface aspect ratio delta is delta 1 、δ 2 、δ 3 (ii) a System pressure P 1 、P 2 、P 3 (ii) a Setting a target horizontal resistance F 1 Side resistance F 2 Stability lambda of a hydraulic system P;
3) Designing a test scheme for optimizing the operation parts and evaluating the operation effect; designing a test scheme according to the test variables and the target, acquiring a target result, giving a weight coefficient to the target result, and converting multi-target optimization into single-target optimization and evaluation; horizontal resistance F 1 For the main resistance of deep-loosening operationOrigin, side drag F 2 The pressure P stability of the hydraulic system is used for protecting hydraulic components in the system and prolonging the service life of each part of deep scarification, and the smaller the lambda is, the better the lambda is;
determining a weight coefficient of each target; weighting coefficients a1, a2, a3 are given according to the importance degree of each target; a1+ a2+ a3=1, then the single objective function formula is obtained as follows:
F (R,δ，p) ＝a 1 F 1 -a 2 F 2 -a 3 λ；
in the formula, F (R,δ,P) The performance of the lubrication and drag reduction operation part can be represented; the smaller the value is, the smaller the subsoiling working resistance is;
4) Optimizing and evaluating the structure of the lubrication drag reduction subsoiling part: carrying out data acquisition for three times in the step 2) to obtain F in the step 3) (R,δ,P) I.e. a single objective function formula and result based on decision variables, wherein F (R,δ,P) The smaller the better.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229938.5A CN109299566B (en) | 2018-10-22 | 2018-10-22 | Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229938.5A CN109299566B (en) | 2018-10-22 | 2018-10-22 | Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109299566A CN109299566A (en) | 2019-02-01 |
| CN109299566B true CN109299566B (en) | 2023-04-18 |
Family
ID=65158371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229938.5A Expired - Fee Related CN109299566B (en) | 2018-10-22 | 2018-10-22 | Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109299566B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004000247A (en) * | 2003-07-30 | 2004-01-08 | Sugano Farm Mach Mfg Co Ltd | Subsoiler implement |
| CN103797906A (en) * | 2013-12-24 | 2014-05-21 | 西北农林科技大学 | Bionic anti-drag subsoiler handle based on power function curve |
| CN105225001A (en) * | 2015-09-21 | 2016-01-06 | 中国农业大学 | A kind of till-less furrow opener structure optimization and operation effectiveness Forecasting Methodology |
| CN105766085A (en) * | 2016-05-05 | 2016-07-20 | 吉林大学 | Multi-shovel wide-breadth soil sub-soiling shovel with lubrication system |
| CN106561097A (en) * | 2016-11-03 | 2017-04-19 | 安徽邓氏机械制造有限公司 | Deep scarification and soil preparation all-in-one machine |
-
2018
- 2018-10-22 CN CN201811229938.5A patent/CN109299566B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004000247A (en) * | 2003-07-30 | 2004-01-08 | Sugano Farm Mach Mfg Co Ltd | Subsoiler implement |
| CN103797906A (en) * | 2013-12-24 | 2014-05-21 | 西北农林科技大学 | Bionic anti-drag subsoiler handle based on power function curve |
| CN105225001A (en) * | 2015-09-21 | 2016-01-06 | 中国农业大学 | A kind of till-less furrow opener structure optimization and operation effectiveness Forecasting Methodology |
| CN105766085A (en) * | 2016-05-05 | 2016-07-20 | 吉林大学 | Multi-shovel wide-breadth soil sub-soiling shovel with lubrication system |
| CN106561097A (en) * | 2016-11-03 | 2017-04-19 | 安徽邓氏机械制造有限公司 | Deep scarification and soil preparation all-in-one machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109299566A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ritchie | A user-orientated model of the soil water balance in wheat | |
| Achat et al. | Rooting patterns and fine root biomass of Pinus pinaster assessed by trench wall and core methods | |
| Montazar et al. | Effects of applied water and sprinkler irrigation uniformity on alfalfa growth and hay yield | |
| Linker et al. | Model-based deficit irrigation of maize in Kansas | |
| CN113642269A (en) | Accurate irrigation method and irrigation system | |
| CN109299566B (en) | Method for optimizing performance and evaluating effect of lubricating and drag-reducing operation part | |
| Akbar et al. | Irrigation efficiencies potential under surface irrigated farms in Pakistan | |
| CN107122901B (en) | A kind of determining method of region of no relief field-crop draining key growing stage | |
| CN109508888B (en) | Method for calculating rated irrigation of shrimp and rice crop | |
| CN114881475A (en) | Lake appropriate water level determination method facing multi-target requirements | |
| Wood et al. | Influence of irrigation method on water use and production of perennial pastures in northern Victoria | |
| CN107609695B (en) | Crop yield remote sensing estimation method based on adjustable vegetation index | |
| Anar et al. | Analysis of parameter sensitivity and identifiability of Root Zone Water Quality Model (RZWQM) for dryland sugarbeet modeling | |
| CN215836322U (en) | Device for providing accurate irrigation of paddy field crops | |
| Ojiambo et al. | Septoria leaf spot reduces flower bud set and yield potential of rabbiteye and southern highbush blueberries | |
| CN113435667A (en) | Comprehensive evaluation method and system for water resource utilization in rice field irrigation and drainage mode | |
| Senaviratne et al. | Evaluation of four parameterization strategies for the APEX model | |
| Roelle et al. | Establishment, growth, and early survival of woody riparian species at a Colorado gravel pit | |
| Campbell et al. | Vegetation treatments and hydrologic responses at the Hubbard Brook Experimental Forest, New Hampshire | |
| Humphreys et al. | Evaluation of strategies for increasing irrigation water productivity of maize in southern New South Wales using the MaizeMan model | |
| CN107766692A (en) | A kind of permissible soil loss computational methods based on PI models | |
| Zhai et al. | Research on PLC system design of a new type of rotary tiller control parameters (programmable logic controller). | |
| Ajaz et al. | Simulating long-term effects of sowing date on the yield of dryland and irrigated winter wheat | |
| LaRue | Variable rate irrigation 2010 field results for Center Plains Conference | |
| CN108805731A (en) | The investigation and sampling technology of quantity occurs for a kind of crops field grub |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230418 |