CN107885960A - A kind of earthwork estimation system and evaluation method based on construction road automatic route selection in wind power plant field - Google Patents
A kind of earthwork estimation system and evaluation method based on construction road automatic route selection in wind power plant field Download PDFInfo
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Abstract
The present invention provides a kind of earthwork estimation system based on construction road automatic route selection in wind power plant field, including：(1) data acquisition unit, the complete three dimensional topographic data of road geographic scenes in wind power plant field is gathered；(2) digital terrain model maker, the wind power plant three-dimensional field model based on the seamless fit of relief model is established；(3) path planner, footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, booster stations build road and fill out excavation minimum of three parameter, adaptive generation construction line design；(4) booster stations position calculator, for obtaining on most short construction road design basis, the average beeline in sensible each blower fan site is calculated, using minimum average B configuration distance algorithm, to determine the optimal addressing of booster stations；(5) construction Earthwork Calculation device, for construction road and the intelligent estimation of the construction earth volume of booster stations construction.Also disclose corresponding construction road and booster stations and build earthwork estimation method.
Description
Technical field
The present invention relates to a kind of Wind Power Generation technical field, the particularly road construction of wind power industry wind power plant to construct
Booster stations addressing in journey, belong to wind-power market lean development technique field.
Background technology
Wind power plant is the basic operational management unit of wind-powered electricity generation enterprise, and the operational management of wind power plant directly affects wind-powered electricity generation enterprise
Benefit.With the continuous extension of each wind-powered electricity generation enterprise installed capacity, wind-powered electricity generation number is continuously increased, original wind power plant such as by
Ejector half, discontinuous form and extensive O＆M mode have slowly been changed into active, lasting and lean O＆M mode.In transition process
In, digitlization wind power plant concept with their own characteristics is suggested, and establishes some demonstration projects, achieves certain innovation and effect
Fruit, however, in terms of these digitlization wind power plants are all the fan monitoring, O＆M and maintenance for laying particular emphasis on wind farm side, it is more
The automation management and control to Wind turbines is realized, and some critical steps concern in Wind Power Project initial stage of development is few, from
And bring more Wind Power Project risks and the actual difficulty of the project implementation.
Such as the route selection of Construction of Wind Power road at initial stage and the addressing of booster stations, these construction are directed to much fill out digging engineering,
The most commonly seen algorithm of present Construction of Wind Power route selection at initial stage and addressing is A* algorithms.What A* algorithms were combined with state space search
It is quite close.State space search, exactly the process of problem solving is shown as to find this from original state to dbjective state
The process in path, it is popular say be exactly a course of solving questions is found when a problem is solved can be since solution to asking
The end of topic.The branch in the solution overshoot of problem is caused to have due to the uncertain and incompleteness of solving condition in solution procedure
A lot, this generates the path of a plurality of solution, it is exactly state space that these path process one, which scheme this figure,.The solution of problem
It is exactly to look for a path can from start to end in this drawing on opportunity, this process is exactly state space search.Often
State space search has a depth-first and breadth First, and breadth First is looking for downwards in layer from original state, directly
Untill terminal objective is found, depth-first is first to have searched a branch in a certain order to search another branch again,
Untill finding objective result.The very big defect of both searching method some is that they are all in a given state space
Middle exhaustion, this is the algorithm being well suited in the case where state space is little, but when space is very big and uncertain feelings
Just inadvisable under condition, the efficiency of both algorithms is too low or even can not sometimes complete, so to use another algorithm, that is, opens
Hairdo is searched for.Heuristic search be exactly in state space to each search untill assess, best be until finding
Only, then from this position scan for untill target location, the assessment in heuristic search to untill is particularly significant
, there may be different results using different appraisals.Heuristic search also has many algorithms in fact, for example part is preferentially searched
Rope, best first search, A* etc., these algorithms have involved in current Construction of Wind Power work progress in booster stations addressing
And these algorithms all enable heuristic function, but the strategy when specifically choosing optimal search node is different.For example part is selected
Excellent algorithm is exactly that have chosen optimal node during search and wait to have given up other brotghers of node, father's node and always
Search is gone down.This search result is clearly as having given up other nodes therefore also optimal node may have been cast out.A*
Algorithm does not cast out node when search, unless the node is to die for the sake of honour a little.All current in the appraisal of each step
The assessment values of node and former node are compared so as to obtain optimal node, and which prevent the loss of optimal node.
A* algorithms belong to a kind of preferably preferential algorithm, and some specific constraintss are added yet with it, and such as
Fruit wishes to solve the shortest path and optimal path of wind power plant state space search with most fast method, and the algorithm cannot be complete
Full up foot is sought footpath and require that.Construction road needs to select the relatively convenient region of traffic in wind power plant field, is advantageous to setting for construction
Standby material, the transport of large scale equipment and reduction are entered the station Highway investment, in the selection of current Construction of Wind Power boosting station location
Cheng Zhong, the application of three dimensional topographic data is less, and obtains construction earth volume based on construction road automatic route selection in wind power plant field
Estimated value more has no report.
The content of the invention
The problem of existing for prior art proposes the present invention, and Basic Design thinking of the invention is：With reference to dimensionally
Huge advantage of the information systems technology in terms of spatial information quantitative analysis and visualization is managed, based on unmanned plane aerophotogrammetry
The wide-range terrain image data collected, footpath algorithm and minimum average B configuration distance algorithm are sought using A*, consider the gradient it is optimal,
Earthwork is minimum, most short etc. factor of circuit, adaptive generation construction road optimal route design, while obtains road
On most short line design schemes basis, the average beeline in sensible each blower fan site is calculated, using minimum average B configuration distance
Algorithm, to determine the construction earth volume of the optimal addressing of booster stations, last comprehensive estimate construction road and booster stations construction.In wind
Power power industry has a wide range of applications scope and prospect, is that following " digital wind power plant " is built and the direction of development.
The present invention provides a kind of earthwork estimation system based on construction road automatic route selection in wind power plant field, the system bag
Include：
(1) data acquisition unit, for gathering the complete three dimensional topographic data of road geographic scenes in wind power plant field；
(2) digital terrain model maker, for establishing the wind power plant three-dimensional field model based on the seamless fit of relief model；
(3) path planner, footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, booster stations build road and fill out digging
Square minimum of three parameter, the adaptive corresponding Optimum cost of generation, the gradient is met the requirements and the most short construction line of distance is set
Meter scheme；
(4) booster stations position calculator, for obtaining on most short construction road design basis, calculate sensible
The average beeline in each blower fan site, using minimum average B configuration distance algorithm, to determine the optimal addressing of booster stations；
(5) construction Earthwork Calculation device, for construction road and the intelligent estimation of the construction earth volume of booster stations construction.
Preferably, the system also includes：(6) interactive device, user provide booster stations using the interactive device and constructed
Road is had a lot of social connections, the interactive input of the gradient and/or radius of turn threshold value be used as constraints, so as in construction road design boosting
Stand and evade the bend more than above-mentioned threshold value in addressing, ensure security and it is access on the premise of choose meet have a lot of social connections, the gradient
It is required that and/or the minimum construction line of bend and booster stations addressing.
Preferably, the system also includes：(7) display and interface, for showing, construction road is automatic in wind power plant field
The estimated value of route selection, the two-dimentional construction drawing of booster stations and alternative construction earth volume.
Preferably, the data acquisition unit uses unmanned plane, using aerophotogrammetry technology, realize from point to surface, by
Face obtains to the wind power plant high accuracy landform image data of band.
The present invention also aims to provide a kind of earthwork estimation based on construction road automatic route selection in wind power plant field
Method, comprise the following steps：
(1) data acquisition, the complete three dimensional topographic data of road geographic scenes in wind power plant field is gathered, is navigated using unmanned plane
Empty photogrammetric technology, realize from point to surface, by the wind power plant high accuracy landform image data acquisition in face to band；
(2) the wind power plant three-dimensional field model based on the seamless fit of relief model is established；
(3) being adjusted according to wind-powered electricity generation industry different demands come dynamic influences the cost letter of construction road and the booster stations construction factor
Number, introduce the influence degree amount of progress that cost function builds Different Effects construction road and booster stations factor pair layout of roads
Change；
(4) footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, excavation minimum of three parameter is filled out in booster stations construction,
The corresponding Optimum cost of generation adaptively, the gradient meet the requirements and the most short construction road design of distance；
(5) on optimal construction road design basis, the average beeline in sensible each blower fan site is calculated, using most
Small average distance algorithm, to determine the optimal addressing of booster stations；
(6) the construction earth volume of construction road and booster stations construction is estimated.
Preferably, the step (2) includes：Integration is carried out to wind power plant landform image data and builds library management, using "
Even piecemeal+Pyramid technology " technology carries out tissue division to terrain data, quickly establishes wind power plant three-dimensional scenic.
Preferably, the computational methods of step (3) cost function are as follows：
(3.1) i (x in three dimensions are calculated using Euclidean distancei,yi.zi), j (xj,yj.zj) two nodes away from
From
(3.2) f is setslope_1(dis) cost function of longitudinal slope is represented, the gradient of starting point to blower fan site is α, between node
The gradient be βn, wherein n ∈ V, then longitudinal slope cost function：
(3.3) f is setslope_c(dis) cost function of horizontal slope, cross fall γ, then horizontal slope cost function are represented：
(3.4) f is setearthwork(dis) represent that booster stations soil stone fills out the cost function of excavation, it is straight between connecting node i, j
Line is Lij, the terrain section line where making each scounting line is Dij, it is higher than LijPart (be designated as Δ for amount of excavationDig), it is less than
LijPart (be designated as Δ for amount of fillFill out), the triangle SL formed with node i, the rectilinear profiles line obtained by j connectionsijTo weigh
Unnecessary quantities, i.e. booster stations build the cost function that road soil stone fills out excavation
(3.5) make longitudinal slope, horizontal slope, native stone filled soil quality respectively shared by weight be：∑ωi=1, ωi∈ (0,1), i=(1,
2,3)；
(3.6) the booster stations construction roading cost function under Different Effects factor constraint is：
G=ω1*fslope_1(dis)+ω2*fslope_c(dis)+ω3*fearthwork(dis)。
Preferably, step (4) specific implementation step is as follows：
(4.1) wind power plant topographic irregularity Triangle Network Structure is established, footpath network is sought in generation；
(4.2) starting point, i.e. triangle where approach gate are found, searches for its neighborhood triangle；
(4.3) judge whether current triangle includes terminal, i.e. blower fan point position position, if not including, calculate starting point
To the accumulative cost G (n) of present node and present node to the estimate cost H (n) of the cost minimization of terminal, obtain working as prosthomere
Generalized cost function F (n)=G (n)+H (n) of point；If comprising having found terminal, route searching is completed, then performs step
(4.6)；
(4.4) triangle that H (n) is minimum in adjacent triangle is selected；
(4.5) neighborhood triangle is continued search for, performs step (4.3), the triangle where searching terminal；
(4.6) the triangle core point for H (n) cost minimizations selected every time is connected, that is, obtains Optimum cost path.
Preferably, methods described also includes：User provide booster stations build road have a lot of social connections, the gradient and/or radius of turn threshold
The interactive input of value is used as constraints, so as to evade the bend more than above-mentioned threshold value in booster stations addressing, is ensureing to pacify
Full property and it is access on the premise of choose meet have a lot of social connections, the booster stations that slope requirement and/or bend are minimum build circuit.
Preferably, methods described also includes：Show the two dimension construction of construction road automatic route selection in wind power plant field, booster stations
The estimated value of figure and alternative construction earth volume.
Beneficial effect of the present invention：
The mentality of designing of the present invention is booster stations site selection system and method based on road automatic route selection in wind power plant field
Intellectuality and addressing algorithm design, consider influence the distance of wind-powered electricity generation construction cost, the gradient, filled soil quality because
Element, Construction of Wind Power engineering road optimization design is realized automatically, the intelligence of booster stations is carried out using average beeline algorithm
Addressing.Booster stations addressing achievement proposed by the present invention based on road automatic route selection in wind power plant field, improves wind energy project and sets
The precision of meter, avoid because designer lacks experience and caused by engineering cost increase, reduce wind-powered electricity generation industry booster stations
The manpower and materials cost and time loss of design, the construction efficiency of wind energy project is improved, improve wind-powered electricity generation booster stations engineering
Design efficiency, make wind energy project Integrated design more flexibility, intellectuality and rationalization.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.The target and feature of the present invention is considered to will be apparent from below in conjunction with the description of accompanying drawing,
In accompanying drawing：
Accompanying drawing 1 is to be estimated according to the construction earth volume based on construction road automatic route selection in wind power plant field of the embodiment of the present invention
Calculate system block diagram；
Accompanying drawing 2 is to be estimated according to the construction earth volume based on construction road automatic route selection in wind power plant field of the embodiment of the present invention
Calculate method flow diagram；
Accompanying drawing 3 is certain wind power plant three-dimensional land map according to the embodiment of the present invention；
Accompanying drawing 4 is certain wind power plant booster stations addressing function presentation according to the embodiment of the present invention；
Accompanying drawing 5 is to build road automatic route selection result demonstration graph according to certain wind power plant booster stations of the embodiment of the present invention；
Accompanying drawing 6 is to build road two dimension construction modeling figure according to certain wind power plant booster stations of the embodiment of the present invention.
Embodiment
The embodiment carries out wind-powered electricity generation booster stations and builds road primarily directed to the Construction of Wind Power of Xinjiang city wind-power electricity generation
Design and booster stations addressing after construction earthwork estimation.The equipment that construction road needs to transport in mainly includes wind
Power generator main frame, wheel hub, blade and tower etc.；The station equipment that boosts mainly includes stone, middle sand, water with the raw material built
Mud, reinforcing bar, equipment material, shaft tower etc., because the equipment volume of tower erection onsite application is huge, raw material usage is larger, fortune
Defeated extremely inconvenient therefore designed road must take into consideration the gradient of road, ensure the successful traction and transport of equipment.
It is a kind of earthwork based on construction road automatic route selection in wind power plant field according to the embodiment of the present invention referring to Fig. 1
Estimating system is measured, the system includes：(1) data acquisition unit, for gathering the complete three-dimensional of road geographic scenes in wind power plant field
Terrain data, using unmanned plane, using aerophotogrammetry technology, realize from point to surface, by the wind power plant high accuracy in face to band
Landform image data obtains；(2) digital terrain model maker, for establishing the wind power plant three based on the seamless fit of relief model
Tie up field model；(3) path planner, footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, booster stations are built road and filled out
Excavation minimum of three parameter, the adaptive corresponding Optimum cost of generation, the gradient is met the requirements and the most short booster stations of distance are built
If line design schemes；(4) booster stations position calculator, for obtaining most short booster stations construction highway layout scheme basis
On, the average beeline in the sensible each blower fan site of calculating, using minimum average B configuration distance algorithm, to determine the optimal of booster stations
Addressing；(5) construction Earthwork Calculation device, for construction road and the intelligent estimation of the construction earth volume of booster stations construction；(6) hand over
Mutual equipment, user is had a lot of social connections using interactive device offer construction road, the gradient and/or the interactive of radius of turn threshold value input
As constraints, so as to evade the bend more than above-mentioned threshold value in construction road design and booster stations addressing, ensureing to pacify
Full property and it is access on the premise of choose meet have a lot of social connections, the construction line that slope requirement and/or bend are minimum and booster stations addressing；
(7) display and interface, for showing construction road automatic route selection in wind power plant field, the two-dimentional construction drawing of booster stations and alternative
The estimated value of scheme construction earth volume.
Referring to Fig. 2, a kind of earth volume based on construction road automatic route selection in wind power plant field according to embodiments of the present invention
Evaluation method flow chart comprises the following steps：
(1) data acquisition, the complete three dimensional topographic data of road geographic scenes in wind power plant field is gathered, is navigated using unmanned plane
Empty photogrammetric technology, realize from point to surface, by the wind power plant high accuracy landform image data acquisition in face to band；
(2) referring to Fig. 3, the wind power plant three-dimensional field model based on the seamless fit of relief model is established, to wind power plant landform shadow
Library management is built as data carry out integration, tissue division is carried out to terrain data using " uniform piecemeal+Pyramid technology " technology,
Quickly establish wind power plant three-dimensional scenic；
(3) being adjusted according to wind-powered electricity generation industry different demands come dynamic influences the cost letter of construction road and the booster stations construction factor
Number, introduce the influence degree amount of progress that cost function builds Different Effects construction road and booster stations factor pair layout of roads
Change, the computational methods of cost function are as follows：
(3.1) i (x in three dimensions are calculated using Euclidean distancei,yi.zi), j (xj,yj.zj) two nodes away from
From
(3.2) f is setslope_1(dis) cost function of longitudinal slope is represented, the gradient of starting point to blower fan site is α, between node
The gradient be βn, wherein n ∈ V, then longitudinal slope cost function：
(3.3) f is setslope_c(dis) cost function of horizontal slope, cross fall γ, then horizontal slope cost function are represented：
(3.4) f is setearthwork(dis) represent that booster stations soil stone fills out the cost function of excavation, it is straight between connecting node i, j
Line is Lij, the terrain section line where making each scounting line is Dij, it is higher than LijPart (be designated as Δ for amount of excavationDig), it is less than
LijPart (be designated as Δ for amount of fillFill out), the triangle SL formed with node i, the rectilinear profiles line obtained by j connectionsijTo weigh
Unnecessary quantities, i.e. booster stations build the cost function that road soil stone fills out excavation
(3.5) make longitudinal slope, horizontal slope, native stone filled soil quality respectively shared by weight be：∑ωi=1, ωi∈ (0,1), i=(1,
2,3)；
(3.6) the booster stations construction roading cost function under Different Effects factor constraint is：
G=ω1*fslope_1(dis)+ω2*fslope_c(dis)+ω3*fearthwork(dis)。
(4) user's offer construction road is had a lot of social connections, the gradient and/or the interactive of radius of turn threshold value are inputted as constraint bar
Part, so as to evade the bend more than above-mentioned threshold value in construction road design and booster stations addressing, ensureing security and sensible
Property on the premise of choose meet have a lot of social connections, the construction line that slope requirement and/or bend are minimum and booster stations addressing, footpath is sought based on A*
Algorithm, comprehensive distance is most short, the gradient is optimal, excavation minimum of three parameter is filled out in booster stations construction, adaptive generation accordingly into
This optimal, gradient meets the requirements and the most short construction road design of distance, and specific implementation step is as follows：
(4.1) wind power plant topographic irregularity Triangle Network Structure is established, footpath network is sought in generation；
(4.2) starting point, i.e. triangle where approach gate are found, searches for its neighborhood triangle；
(4.3) judge whether current triangle includes terminal, i.e. blower fan point position position, if not including, calculate starting point
To the accumulative cost G (n) of present node and present node to the estimate cost H (n) of the cost minimization of terminal, obtain working as prosthomere
Generalized cost function F (n)=G (n)+H (n) of point；If comprising having found terminal, route searching is completed, then performs step
(4.6)；
(4.4) triangle that H (n) is minimum in adjacent triangle is selected；
(4.5) neighborhood triangle is continued search for, performs step (4.3), the triangle where searching terminal；
(4.6) the triangle core point for H (n) cost minimizations selected every time is connected, that is, obtains Optimum cost path；
(5) referring to Fig. 4, on optimal construction road design basis, the average most short distance in sensible each blower fan site is calculated
From using minimum average B configuration distance algorithm, to determine the optimal addressing of booster stations；
(6) estimation construction road and the construction earth volume of booster stations construction, the project being related to for the present embodiment, estimation
Content includes：
Wind field road：Link length is calculated by drawing, earthwork is calculated using method of section；
Blower fan hoisting platform：By design drawing reference area, the cubic metre of earth and stone is calculated using grid；
Basic earthwork evacuation：According to《Construction project valuating engineering work load with bill (2008)》Rule calculates, rule rule
It is fixed to be multiplied by cutting depth calculating according to blinding layer ground area；
Foundation concrete：According to《Construction project valuating engineering work load with bill (2008)》Rule calculates, and does not deduct steel in component
Muscle, volume shared by embedded iron；
Cushion layer concrete：By design drawings size in terms of volume, reinforcing bar in component, volume shared by embedded iron are not deducted；
Cubic metre of earth and stone backfill：Foundation ditch exploitation volume subtracts blower foundation and bed course volume；
Case becomes basis：Basic earthwork evacuation, foundation concrete, cushion layer concrete and the cubic metre of earth and stone backfill itemized with computation rule ibid
；
The high-low pressure cable duct earthwork：By design drawings with pipe centerline length computation, ditch is multiplied by by the cross section of raceway groove
Road length computation.
(7) referring to Fig. 5 and Fig. 6 show construction road automatic route selection in wind power plant field, booster stations two-dimentional construction drawing and
The estimated value of alternative construction earth volume.
Using the system and method for the embodiment of the present invention, high-precision landform threedimensional model number in wind-powered electricity generation field areas is utilized
According to blower fan point position, existing road network and possible barrier zone, seeking footpath algorithm based on existing A*, consider influence wind-powered electricity generation
The distance of construction cost is most short, the gradient is most slow, it is minimum to fill out excavation and meets the optimal route design side of vehicle turn radius
Case, Combining with terrain data and optimal route selection carried out intelligent selection to booster stations optimal location, last comprehensive estimate wind power plant
The construction earth volume of construction road and booster stations in, solve the engineering and financial cost core of construction earth volume in wind power plant
The design difficulty calculated and controlled, it is achieved thereby that the Comprehensive Designing work of wind power plant construction.
Although the present invention is described by reference to specific illustrative embodiment, will not be by these embodiments
Restriction and only limited by accessory claim.It should be understood by those skilled in the art that can be without departing from the present invention's
Embodiments of the invention can be modified and be changed in the case of protection domain and spirit.
Claims (10)
- A kind of 1. earthwork estimation system based on construction road automatic route selection in wind power plant field, it is characterised in that including：(1) data acquisition unit, for gathering the complete three dimensional topographic data of road geographic scenes in wind power plant field；(2) digital terrain model maker, for establishing the wind power plant three-dimensional field model based on the seamless fit of relief model；(3) path planner, footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, booster stations build road and fill out excavation most Few three parameters, the adaptive corresponding Optimum cost of generation, the gradient meet the requirements and build circuit apart from most short booster stations Design；(4) booster stations position calculator, for obtaining on most short booster stations construction highway layout scheme basis, calculate logical Up to the average beeline in each blower fan site, using minimum average B configuration distance algorithm, to determine the optimal addressing of booster stations；(5) construction Earthwork Calculation device, for construction road and the intelligent estimation of the construction earth volume of booster stations construction.
- 2. a kind of earthwork estimation system based on construction road automatic route selection in wind power plant field according to claim 1, Characterized by further comprising：(6) interactive device, user is had a lot of social connections using interactive device offer booster stations construction road, the gradient And/or the interactive input of radius of turn threshold value is used as constraints, so as to be advised in construction road design and booster stations addressing Keep away the bend more than above-mentioned threshold value, ensure security and it is access on the premise of choose meet have a lot of social connections, slope requirement and/or curved The minimum construction line in road and booster stations addressing.
- 3. a kind of earthwork estimation system based on construction road automatic route selection in wind power plant field according to claim 1, Characterized by further comprising：(7) display and interface, for showing construction road automatic route selection in wind power plant field, booster stations The estimated value of two-dimentional construction drawing and alternative construction earth volume.
- 4. a kind of earthwork estimation system based on construction road automatic route selection in wind power plant field according to claim 1, It is characterized in that：The data acquisition unit uses unmanned plane, using aerophotogrammetry technology, realize from point to surface, by face to The wind power plant high accuracy landform image data of band obtains.
- A kind of 5. earthwork estimation method based on construction road automatic route selection in wind power plant field, using according to claim 1-4 A kind of any described earthwork estimation system based on the route selection automatically of construction road in wind power plant field, it is characterised in that including Following steps：(1) data acquisition, the complete three dimensional topographic data of road geographic scenes in wind power plant field is gathered, is taken the photograph using unmanned plane aviation Shadow e measurement technology, realize from point to surface, by the wind power plant high accuracy landform image data acquisition in face to band；(2) the wind power plant three-dimensional field model based on the seamless fit of relief model is established；(3) being adjusted according to wind-powered electricity generation industry different demands come dynamic influences the cost function of construction road and the booster stations construction factor, Cost function is introduced to quantify the influence degree of Different Effects construction road and booster stations construction factor pair layout of roads；(4) footpath algorithm is sought based on A*, comprehensive distance is most short, the gradient is optimal, excavation minimum of three parameter is filled out in booster stations construction, adaptive The corresponding Optimum cost of generation answered, the gradient meet the requirements and the most short construction road design of distance；(5) on optimal construction road design basis, the average beeline in sensible each blower fan site is calculated, it is flat using minimum Equal distance algorithm, to determine the optimal addressing of booster stations；(6) the construction earth volume of construction road and booster stations construction is estimated.
- 6. a kind of earthwork estimation method based on construction road automatic route selection in wind power plant field according to claim 5, It is characterized in that the step (2) includes：Integration is carried out to wind power plant landform image data and builds library management, using " uniform point Block+Pyramid technology " technology carries out tissue division to terrain data, quickly establishes wind power plant three-dimensional scenic.
- 7. a kind of earthwork estimation method based on construction road automatic route selection in wind power plant field according to claim 5, It is characterized in that the computational methods of step (3) cost function are as follows：(3.1) i (x in three dimensions are calculated using Euclidean distancei,yi.zi), j (xj,yj.zj) two nodes distance<mrow> <mi>d</mi> <mi>i</mi> <mi>s</mi> <mo>=</mo> <msqrt> <mrow> <msup> <mrow> <mo>(</mo> <msub> <mi>x</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mi>x</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mo>+</mo> <msup> <mrow> <mo>(</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mi>y</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mo>+</mo> <msup> <mrow> <mo>(</mo> <msub> <mi>z</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mi>z</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> <mo>;</mo> </mrow>(3.2) f is setslope_1(dis) cost function of longitudinal slope is represented, the gradient of starting point to blower fan site is α, the slope between node Spend for βn, wherein n ∈ V, then longitudinal slope cost function：(3.3) f is setslope_c(dis) cost function of horizontal slope, cross fall γ, then horizontal slope cost function are represented：(3.4) f is setearthwork(dis) represent that booster stations soil stone fills out the cost function of excavation, the straight line between connecting node i, j is Lij, the terrain section line where making each scounting line is Dij, it is higher than LijPart (be designated as Δ for amount of excavationDig), less than Lij's Part (is designated as Δ for amount of fillFill out), the triangle SL formed with node i, the rectilinear profiles line obtained by j connectionsijIt is unnecessary to weigh Quantities, i.e. booster stations build road soil stone and fill out the cost function of excavation(3.5) make longitudinal slope, horizontal slope, native stone filled soil quality respectively shared by weight be：∑ωi=1, ωi∈ (0,1), i=(1,2, 3)；(3.6) the booster stations construction roading cost function under Different Effects factor constraint is：G=ω1*fslope_1(dis)+ω2*fslope_c(dis)+ω3*fearthwork(dis)。
- 8. a kind of earthwork estimation method based on construction road automatic route selection in wind power plant field according to claim 5, It is characterized in that step (4) specific implementation step is as follows：(4.1) wind power plant topographic irregularity Triangle Network Structure is established, footpath network is sought in generation；(4.2) starting point, i.e. triangle where approach gate are found, searches for its neighborhood triangle；(4.3) judge whether current triangle includes terminal, i.e. blower fan point position position, if not including, calculate starting point to ought The accumulative cost G (n) of front nodal point and present node obtain present node to the estimate cost H (n) of the cost minimization of terminal Generalized cost function F (n)=G (n)+H (n)；If comprising having found terminal, route searching is completed, then performs step (4.6)；(4.4) triangle that H (n) is minimum in adjacent triangle is selected；(4.5) neighborhood triangle is continued search for, performs step (4.3), the triangle where searching terminal；(4.6) the triangle core point for H (n) cost minimizations selected every time is connected, that is, obtains Optimum cost path.
- 9. a kind of earthwork estimation method based on construction road automatic route selection in wind power plant field according to claim 5, Characterized by further comprising：User's offer construction road is had a lot of social connections, the gradient and/or the interactive of radius of turn threshold value are inputted as about Beam condition, so as to construction road design and booster stations addressing in evade the bend more than above-mentioned threshold value, ensure security and Chosen on the premise of access meet have a lot of social connections, the construction line that slope requirement and/or bend are minimum and booster stations addressing.
- 10. estimated according to a kind of any described earth volumes based on construction road automatic route selection in wind power plant field of claim 5-9 Calculation method, it is characterised in that also include：Show construction road automatic route selection in wind power plant field, booster stations two-dimentional construction drawing and The estimated value of alternative construction earth volume.
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