CN107316162A - A kind of real-time computing technique of subdivision of ship workload - Google Patents
A kind of real-time computing technique of subdivision of ship workload Download PDFInfo
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Abstract
A kind of real-time computing technique of subdivision of ship workload, belongs to shipping work amount and calculates method and technology field, the real-time calculating for subdivision of ship workload.Its technical scheme is：Weighed conversion factor according to prestowage tonnage amendment, make that ship unloaders weigh tonnage and prestowage planning tonnage is consistent, during using bank machine using translating or turning round operating type, the characteristics of cart encoder count is respectively positioned in the range of the hatch of cabin, horizontal deck positional number between each hatch prestowage tonnage of each berth institute operation ship and cabin is being gathered before opening the cabin, bank machine calculates the interval relation of big truck position and hatch position automatically, operation tonnage and hatch number are corresponded, transmit to middle control PLC to concentrate by device network and count, statistical result is sent to each relevant device, realize intelligent handling operation.The present invention is combined using distributed arithmetic with centralized computing, networked devices shareable data, and the result of data analysis can be used for instructing handling operation, reduce manual intervention, improve operating efficiency.
Description
Technical field
The present invention relates to a kind of real-time computing technique of subdivision of ship workload, belong to shipping work amount and calculate method and technology neck
Domain.
Background technology
During dock operation, consultant needs to grasp the subdivision workload of each berth ship in time.For unloading machine operation, point
Cabin workload, which is used for balanced unloading, ensures trim on even keel and schedule ahead stripping equipment；For shipment machine operation, subdivision workload is used
The sequential instructions arrangement in each cabin and shipment later stage adjustment shipping depth gauge during shipment；For door machine handling operation, subdivision is made
Industry amount can be additionally used in the plan of having bad luck of reasonable arrangement vehicle in addition to functioning as described above.
Since twentieth century nineties, the right path is gradually stepped into domestic harbour facilities PLC applications, and technology development is increasingly mature.But
So far, domestic subdivision of ship workload electrical technology computational methods generally use following two modes：(1) it is artificial to calculate
Mode.By taking unloading as an example, consultant's polling bank machine driver unloading situation, driver counts subdivision workload manually, in view of adjusting
Cabin operation is frequent, data are disperseed, and easily produces calculating mistake and there is larger statistical error.Moreover, which can influence production
Progress, in addition dispersing apparatus driver notice and occur machine damage ship damage accident.(2) 3D stereoscans mode.Using laser
Sensor carries out stereoscan, but laser sensor restriction affected by environment is larger, and dust, wet weather, haze, daylight can all be caused
Equipment failure, and the hundreds thousand of members of a set of equipment cost, cost of investment and maintenance cost are higher.
In view of the two kinds of subdivision of ship workload computational methods used at present have certain defect, influence the shipment of ship and unload
Ship operation, therefore be extremely necessary to design the computational methods of new subdivision of ship workload, it is fast-developing to meet harbour production
The need for.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of real-time computing technique of subdivision of ship workload, this real-time meter
Calculation method using distributed arithmetic by the way of centralized computing is combined, networked devices shareable data, the knot of data analysis
Fruit can be used for instructing handling operation, reduce manual intervention, improve operating efficiency.
Solving the technical scheme of above-mentioned technical problem is：
A kind of real-time computing technique of subdivision of ship workload, it is carried out using following steps：
A. amendment ship unloaders are weighed conversion factor K, it is ensured that the computational accuracy of unloading yield, make that ship unloaders weigh tonnage and ship is matched somebody with somebody
Carry tonnage to be consistent, the surplus goods amount of the complete man-hour Central Control Room program display of unloading is intended to 0；
B. the positional number that horizontal deck corresponds to along harbour between the prestowage tonnage of each hatch in each berth of collection in worksite and cabin, sends
To Central Control Room；
C. Central Control Room sends prestowage tonnage variable and position number variable to each bank machine equipment in the form of coding line；
D. in operation process, the automatic interval range for corresponding to positional number according to big truck position of bank machine equipment weighs monobucket number
Automatic input to correspondence hatch number realizes that workload adds up；
E. the automatic collect statistics of the PC application of Central Control Room and subdivision surplus goods amount is calculated, the data is beamed back into bank machine；
F. transmitted by networked information, prestowage planning tonnage, operation complete tonnage, when the variables such as the remaining tonnage in cabin realize information
Equity is shared；
G. the industrial computer of front and rear field, mobile terminal, network computer can show in real time prestowage planning tonnage, operation complete tonnage,
When the remaining tonnage in cabin, as production commander, data analysis, administrative decision important evidence, implementation ship unloaders ship-discharging operation
Intelligence adjusts cabin, shipping sequence order structure, door machine operation to arrange the operations such as the vehicle plan of having bad luck automatically.
The modified computing method of conversion factor K in the real-time computing technique of above-mentioned subdivision of ship workload, the step a according to
The ships data of some ship/times is calculated, and is either calculated or is calculated according to weighting error rate according to the data of certain measurement period；
It is as follows according to the ships data computational methods of some ship/times：
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；Fs(weighed for the big machine number of single ship
Tonnage), unit t；SsFor single ship water gauge number (prestowage tonnage), unit t；N is ship sample number；
Method for computing data according to certain measurement period is as follows；
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；FpTo be big in measurement period
Machine number (tonnage of weighing), such as Dan Yue, many months, 1 year, unit t；SpFor the water gauge number (prestowage tonnage) in measurement period, such as list
The moon, many months, 1 year, unit t；
It is as follows according to weighting error rate computational methods；
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；δ is average weighting error
Rate, %.
The beneficial effects of the invention are as follows：
The present invention is that a kind of utilization mathematical principle realizes the method that subdivision workload is calculated in real time, and this method is used using bank machine
When translation or revolution operating type, the characteristics of cart encoder count is respectively positioned in the range of the hatch of cabin gathers each before opening the cabin
Horizontal deck positional number between each hatch prestowage tonnage of berth institute operation ship and cabin, bank machine calculates big truck position and hatch position automatically
The interval relation put, operation tonnage and hatch number are corresponded, and transmit to middle control PLC to concentrate counting by device network, system
Meter result is sent to each relevant device, and some functions of deeply developing can more realize intelligent handling operation.
The computational methods of the present invention by the way of centralized computing is combined, compared with conventionally calculation mode, are had using distributed arithmetic
Have the advantages that operating load is small, computational accuracy is high, directly upgrading to software by conventional artificial calculating calculates, and adjusts cabin process comprehensive
Realize from procedure.
The computational methods and result of the present invention use networked devices shareable data, and the result of data analysis can be used for instructing
Handling operation, reduces manual intervention, improves operating efficiency.Moreover, which uses mathematical method completely, without addition sensing
The hardware devices such as device, input/output module, without cost of investment and maintenance cost.
Brief description of the drawings
Fig. 1 is the working condition schematic diagram for translating job type bank machine；
Fig. 2 is the working condition schematic diagram for turning round job type bank machine；
Fig. 3 is positional number schematic diagram in deck between ship cabin slogan and cabin；
Fig. 4 is that the variable of networked devices is sent and operational flowchart.
Marked in figure as follows：Bank machine absolute value encoder 1, revolution bank machine absolute value encoder 2, translation bank machine are translated when cabin
The domain of walk 3, revolution bank machine are working as cabin in the domain of walk 4 when cabin, translation bank machine in the job area 5 when cabin, revolution bank machine
Job area 6, cabin mouthful scope 7, cabin hatch center line 8, the first cabin 01, the second cabin 02, the 3rd cabin 03, the 4th cabin 04, the
Five cabins 05, the 6th cabin 06, the 7th cabin 07, the 8th cabin 08, the 9th cabin 09, the interval location number P0-P9 of hatch.
Embodiment
Fig. 1 and Fig. 2 are to translate job type bank machine, turn round the working condition schematic diagram of job type bank machine respectively, and no matter bank machine is taken
Operation or revolution operating type are translated, their translation bank machine absolute value encoder 1, revolution bank machine absolute value encoder 2 are all the time
Positioned in the range of cabin, the hatch interval for determining loading and unloading using encoder possesses feasibility.
Fig. 3 is that the P0 to P9 between ship cabin slogan and cabin in deck positional number schematic diagram, figure is the interval location number of hatch, and its value is
The positional number that horizontal deck corresponds to along harbour between each cabin cabin.After the completion of location number demarcation, it is possible to achieve hatch is numbered and code
The one-to-one corresponding of positional number along head.Such as P0 to P1 interval the first cabin 01 of correspondence, P3 to P4 interval the 4th cabin 04 of correspondence.
The present invention is carried out using following steps：
A. amendment ship unloaders are weighed conversion factor K, it is ensured that the computational accuracy of unloading yield, make that ship unloaders weigh tonnage and ship is matched somebody with somebody
Carry tonnage to be consistent, the surplus goods amount of the complete man-hour Central Control Room program display of unloading is intended to 0；
B. the positional number that horizontal deck corresponds to along harbour between the prestowage tonnage of each hatch in each berth of collection in worksite and cabin, sends
To Central Control Room；
C. Central Control Room sends prestowage tonnage variable and position number variable to each bank machine equipment in the form of coding line；
D. in operation process, the automatic interval range for corresponding to positional number according to big truck position of bank machine equipment weighs monobucket number
Automatic input to correspondence hatch number realizes that workload adds up；
E. the automatic collect statistics of the PC application of Central Control Room and subdivision surplus goods amount is calculated, the data is beamed back into bank machine；
F. transmitted by networked information, prestowage planning tonnage, operation complete tonnage, when the variables such as the remaining tonnage in cabin realize information
Equity is shared；
G. the industrial computer of front and rear field, mobile terminal, network computer can show in real time prestowage planning tonnage, operation complete tonnage,
When the remaining tonnage in cabin, as production commander, data analysis, administrative decision important evidence, implementation ship unloaders ship-discharging operation
Intelligence adjusts cabin, shipping sequence order structure, door machine operation to arrange the operations such as the vehicle plan of having bad luck automatically.
The modified computing method of conversion factor K in the step a of the present invention is calculated according to the ships data of some ship/times, or is pressed
Data according to certain measurement period are calculated, or are calculated according to weighting error rate；
It is as follows according to the ships data computational methods of some ship/times：
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；Fs(weighed for the big machine number of single ship
Tonnage), unit t；SsFor single ship water gauge number (prestowage tonnage), unit t；N is ship sample number；
Method for computing data according to certain measurement period is as follows；
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；FpTo be big in measurement period
Machine number (tonnage of weighing), such as Dan Yue, many months, 1 year, unit t；SpFor the water gauge number (prestowage tonnage) in measurement period, such as list
The moon, many months, 1 year, unit t；
It is as follows according to weighting error rate computational methods；
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；δ is average weighting error
Rate, %.
The step b of the present invention is using step in detail below：
The positional number that horizontal deck corresponds to along harbour between the prestowage tonnage of each hatch in each berth of collection in worksite and cabin.Prestowage ton
Number positional numbers acquisition mode include but is not limited to consultant open the cabin inspection when be manually entered, bank machine walking cart demarcation etc..
The prestowage tonnage of each each hatch in berth is expressed as Sb_h, wherein b is berth number, and h is hatch number, such as 1# berths 3# hatch tables
It is shown as S1_3。
The positional number that horizontal deck corresponds to along harbour between cabin may be from being marked at harbour BM lines according to mechanical drawing.The position
Number is put to be consistent with ship unloaders large vehicle walking encoder position number.For the ship of a n hatch, demarcation should be from before 1 cabin
Olive starts, to n cabins after olive terminate, altogether demarcate n+1 position.It is expressed as follows：
Pb_m, wherein b is berth number, and m is location number (0≤m≤n), and such as 2# berths 6# positional representations are P2_6。
In the step c of the present invention, middle control sends S in the form of coding lineb_hVariable and Pb_mVariable is to each bank machine equipment.
In the step d of the present invention, in operation process, bank machine equipment is automatic according to big truck position PcCorresponding to Pb_mInterval range,
By monobucket weigh several typings to correspondence hatch realize that workload adds up.
Fe_b_h=Fe_b_hIn+W, formula：W is that monobucket is weighed number.
In the step e of the present invention, the automatic collect statistics of middle control PLC simultaneously calculate subdivision surplus goods amount, and the data are beamed back into bank machine：
Rb_h=Sb_h-Fb_h
In the step g of the present invention, Sb_h、Rb_h、Fb_hThe serial operation result of generation can be with instructing automatic loading and unloading operation：
(1) for ship-discharging operation：Fb_hFor grasping each ticket progress of unloading, equipment is arranged to adjust cabin in time：
C in formulaiFor degree-of-difficulty factor, it is considered to which the influence of hatch, bulkhead, water tank, Oil Tank to operating efficiency, bow compartment takes 1.05, stern
Cabin takes 1.1, and other cabins take 1；R is difference, and the difference can voluntarily be determined according to ship deadweight and handling experience.
(2) for ship-loading operation：Fb_hFor the sequential instructions arrangement of each cabin operation tonnage of each round, flow number add berth number,
The new variables such as cabin number, tonnage, realize intelligent shipment：
Array [i]={ b, h, l, ri,ti,…,rj,tj}
I in array is serial number, and b is berth number, and h is hatch number, and l numbers for ship loader, and r numbers for reclaimer, and t takes for this
The feeding tonnage of material machine.
(3) for ship-discharging operation：Rb_hWork as cabin innage amount for grasping in time, instruct stripping equipment and at present cabin, realize intelligence
Energyization unloading commander's operation：
T in formula is stripping equipment average arrival time, and its value depends on the distance of at stripping equipment Hou works and wharf apron, with
And plant area's limiting vehicle speed；V is unloading average efficiency, different cargo type efficiency datas of its value from long term accumulation.
(4) for ship-discharging operation：Rb_hIt can be additionally used in the arrangement for having bad luck vehicle fleet size：
N in formula is to have bad luck vehicle according to what remaining tonnage was calculated and need to use quantity；R is the payload ratings ton for having bad luck vehicle
Number.
(5) when unloading is completed, Sb_hWith Rb_hThere should be following relation, the data check available for business accounting：
Sb_h=Rb_h
(6) when shipment is completed, Sb_hWith Fb_hThere should be following relation, the data check available for business accounting：
Sb_h=Fb_h
It is middle to control the S in ship correspondence berth after single-ship operation completionb_h、Pb_mAnd the F of bank machine storagee_b_hIt is zeroed out operation.
Now, Fb_h、Rb_hAccording to above-mentioned functional relation in the lump automatic clear.
The present invention is applied to translation job type bank machine (such as bridge-type grab ship unloader, without revolution ship loader) and revolution job type bank machine
The networking operation process of (such as bucket continuous ship unloader, high pedestal jib crane, there is revolution ship loader) bank machine equipment, with routine
Calculation is compared, and the present invention has the advantages that operating load is small, computational accuracy is high, is directly upgraded to by the artificial calculating of routine
Software is calculated, and adjusts cabin process to realize comprehensively from procedure.
Claims (2)
1. a kind of real-time computing technique of subdivision of ship workload, it is characterised in that：It is carried out using following steps：
A. amendment ship unloaders are weighed conversion factor K, it is ensured that the computational accuracy of unloading yield, make that ship unloaders weigh tonnage and ship is matched somebody with somebody
Carry tonnage to be consistent, the surplus goods amount of the complete man-hour Central Control Room program display of unloading is intended to 0；
B. the positional number that horizontal deck corresponds to along harbour between the prestowage tonnage of each hatch in each berth of collection in worksite and cabin, sends
To Central Control Room；
C. Central Control Room sends prestowage tonnage variable and position number variable to each bank machine equipment in the form of coding line；
D. in operation process, the automatic interval range for corresponding to positional number according to big truck position of bank machine equipment weighs monobucket number
Automatic input to correspondence hatch number realizes that workload adds up；
E. the automatic collect statistics of the PC application of Central Control Room and subdivision surplus goods amount is calculated, the data is beamed back into bank machine；
F. transmitted by networked information, prestowage planning tonnage, operation complete tonnage, when the variables such as the remaining tonnage in cabin realize information
Equity is shared；
G. the industrial computer of front and rear field, mobile terminal, network computer can show in real time prestowage planning tonnage, operation complete tonnage,
When the remaining tonnage in cabin, as production commander, data analysis, administrative decision important evidence, implementation ship unloaders ship-discharging operation
Intelligence adjusts cabin, shipping sequence order structure, door machine operation to arrange the operations such as the vehicle plan of having bad luck automatically.
2. the real-time computing technique of subdivision of ship workload according to claim 1, it is characterised in that：In the step a
Conversion factor K modified computing method calculated according to the ships data of some ship/times, or according to the number of certain measurement period
Calculated according to calculating, or according to weighting error rate；
It is as follows according to the ships data computational methods of some ship/times：
<mrow>
<mfrac>
<mrow>
<msub>
<mi>k</mi>
<mi>o</mi>
</msub>
<mo>-</mo>
<mi>k</mi>
</mrow>
<mi>k</mi>
</mfrac>
<mo>=</mo>
<mfrac>
<mn>1</mn>
<mi>n</mi>
</mfrac>
<mi>&Sigma;</mi>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<msub>
<mi>F</mi>
<mi>s</mi>
</msub>
<mo>-</mo>
<msub>
<mi>S</mi>
<mi>s</mi>
</msub>
</mrow>
<msub>
<mi>S</mi>
<mi>s</mi>
</msub>
</mfrac>
<mo>)</mo>
</mrow>
</mrow>
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；Fs(weighed for the big machine number of single ship
Tonnage), unit t；SsFor single ship water gauge number (prestowage tonnage), unit t；N is ship sample number；
Method for computing data according to certain measurement period is as follows；
<mrow>
<mfrac>
<mrow>
<msub>
<mi>k</mi>
<mi>o</mi>
</msub>
<mo>-</mo>
<mi>k</mi>
</mrow>
<mi>k</mi>
</mfrac>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>F</mi>
<mi>p</mi>
</msub>
<mo>-</mo>
<msub>
<mi>S</mi>
<mi>p</mi>
</msub>
</mrow>
<msub>
<mi>S</mi>
<mi>p</mi>
</msub>
</mfrac>
</mrow>
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；FpFor the big machine in measurement period
Number (tonnage of weighing), such as Dan Yue, many months, 1 year, unit t；SpFor the water gauge number (prestowage tonnage) in measurement period, such as Dan Yue,
Many months, 1 year, unit t；
It is as follows according to weighting error rate computational methods；
<mrow>
<mi>k</mi>
<mo>=</mo>
<mfrac>
<msub>
<mi>k</mi>
<mi>o</mi>
</msub>
<mrow>
<mn>1</mn>
<mo>+</mo>
<mi>&delta;</mi>
</mrow>
</mfrac>
</mrow>
In formula：koFor the original conversion factor before amendment；K is revised original conversion factor；δ is average weighting error
Rate, %.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178981A (en) * | 2018-08-29 | 2019-01-11 | 曹妃甸港集团股份有限公司 | A kind of cargo handling method based on stowage factor |
| CN111873884A (en) * | 2020-07-07 | 2020-11-03 | 唐山港集团股份有限公司 | Intelligent cabin moving method and system for ship loader |
| CN117893117A (en) * | 2024-03-18 | 2024-04-16 | 唐山港集团港机船舶维修有限公司 | Method, device, equipment and medium for calculating shipping material operation amount |
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