Ship lock navigation operation state evaluation method

By establishing a multi-level index structural model of the navigation operation status of the lock, calculating the weight and sorting of each indicator, and using the principle of maximum membership for comprehensive evaluation, the problem of lack of system navigation operation status evaluation in the existing technology is solved, and the navigation of the lock is realized Improve efficiency and objectivity of evaluation.

CN119476681APending Publication Date: 2025-02-18THREE GORNAVIGATION AUTHORITY
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Patent Information

Application Number
CN202411381122.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

The prior art lacks an objective, quantitative and systematic method for evaluating the operating status of the lock navigation, which makes it difficult to effectively improve the efficiency of the lock navigation.

Method used

By establishing a secondary index data collection system for navigation operation status of ship locks, dividing the target layer, first-level index layer and second-level index layer, calculating the weight and sorting of each indicator, objectively empowering using the coefficient of variation method, and finally passing the principle of maximum membership Conduct a comprehensive evaluation.

Benefits of technology

The objective, quantitative and systematic evaluation of the navigation operation status and efficiency of the lock locks is achieved, the crux of navigation operation is found, the navigation efficiency is improved, and the objectivity and accuracy of the evaluation is ensured.

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Abstract

The invention provides a ship lock navigation operation state evaluation method, and the method comprises the steps: dividing a ship lock navigation operation state into a plurality of navigation operation states, enabling the navigation operation states to serve as a target layer, and correspondingly determining a first-stage index layer according to the navigation operation states, respectively and correspondingly dividing all the first-level index layers into corresponding second-level index layers; constructing a second-level index actual value matrix based on the obtained second-level index actual data corresponding to the second-level index layer, and processing the second-level index actual value matrix to finally obtain a second-level index weight; calculating according to the second-level index weight to obtain each first-level index weight; dividing the navigation operation state levels of the ship lock, calculating classic domain / section domain matter elements of each index according to the division result, determining matter elements to be evaluated in combination with the actual data of the second-level index, and then forming a second-level index correlation degree model; and finally, according to a maximum membership degree principle, determining a ship lock navigation operation state grade comprehensive evaluation result.
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Description

Technical Field

[0001] The invention relates to the technical field of ship lock navigation, and in particular to a method for evaluating the navigation operation status of a ship lock. Background Art

[0002] The ship lock is an important component of the water conservancy hub and a key control node for the navigation of the Golden Waterway. The construction and operation of the ship lock can greatly improve the navigation conditions of the upstream and downstream, and promote the rapid development of shipping and the economy along the river. In recent years, the pressure on inland navigation has continued to increase, and complex and changeable environmental conditions such as tight waterway resources and unbalanced ship traffic have brought huge challenges to the navigation efficiency of the ship lock. On the other hand, with the optimization and improvement of the lock operation process and the operation running-in and aging repair of equipment and facilities, the navigation operation status and efficiency of the ship lock are constantly changing with time and circumstances. There is no mature and systematic evaluation method for the navigation operation status of the ship lock and its optimization and improvement.

[0003] Patent CN107063357A "A method for assessing the safety status of underground gas storage wells" discloses a single-item safety status assessment method based on external macroscopic, wellhead thread corrosion damage, material, internal corrosion, external corrosion thinning, cracks, cementing, pressure resistance test, and air tightness test. The lowest grade among the assessed items is used as the safety status assessment level of the gas storage well. The assessment process is a manual inspection and assessment, and the safety level of each project is divided into 5 levels of qualitative assessment. The professional requirements of the assessors are extremely high, and the objectivity and accuracy of the assessment results have not been further verified. An objective, quantitative, and systematic method for evaluating the navigation operation status of ship locks has not yet been seen. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a method for evaluating the navigation operation status of a ship lock, fill the gap of no objective, quantitative and systematic evaluation of the navigation operation status and efficiency of the ship lock, realize the objective, quantitative and systematic evaluation of the navigation operation status and efficiency of the ship lock, find out the crux of the navigation operation of the ship lock, and improve the navigation efficiency of the ship lock.

[0005] In order to achieve the above technical features, the purpose of the present invention is achieved as follows: a method for evaluating the navigation operation status of a ship lock comprises the following steps: Step 1: Establish a secondary indicator data collection system for the navigation operation status of the ship lock; By dividing the navigation operation status of the ship lock into multiple navigation operation statuses, and then taking the navigation operation status as the target layer, and then determining the first-level indicator layer according to the navigation operation status, and then dividing all the first-level indicator layers into corresponding second-level indicator layers; Step 2: Calculation of weights and ranking of indicators of navigation operation status; Based on the actual data of the secondary indicators corresponding to the secondary indicator layer obtained in step 1, a secondary indicator actual value matrix is ​​constructed, and the secondary indicator actual value matrix is ​​processed to finally obtain the secondary indicator weights; and then the weights of each primary indicator are obtained after calculation according to the secondary indicator weights; Step 3: Comprehensive evaluation and rating of the navigation operation status of the lock; The navigation operation status of the ship lock is divided into different levels, and the classic domain / node domain object-elements of each indicator are calculated according to the division results. The object-elements to be evaluated are determined by combining the actual data of the secondary indicators in step 2, and then a secondary indicator correlation model is formed. Finally, the comprehensive evaluation results of the navigation operation status of the ship lock are determined according to the maximum membership principle.

[0006] Preferably, the step 1 specifically includes: Step 1.1: Establish the navigation operation status target layer of the ship lock, and determine the navigation operation status 1 to navigation operation status 8, a total of eight levels of targets; Step 1.2: Establish the first-level indicator layers corresponding to the eight-level targets of the navigation operation status of the ship lock, and the first-level indicator layers are: ship lock operation index, ship entry, berthing, berthing, ship exit, miter gate operation, reverse arc gate operation, electric control system operation, hydraulic system operation; Step 1.3: Establish the secondary indicator layers corresponding to the primary indicator layer of the navigation operation status of the ship lock; The secondary indicators corresponding to the ship lock operation indicators are: cargo throughput, lock passage time, shutdown failure rate, and obstruction rate; The secondary indicators corresponding to ships entering the lock are: berthing at the pier, berthing at the navigation wall, duration of entering the lock, duration of water delivery at the first-stage lock, and duration of opening and closing of the first-stage lock; The secondary indicators corresponding to berthing and berthing are: water delivery time of the middle gate, opening and closing time of the middle gate, and ship berthing time; The secondary indicators for ship exit are: water delivery time of the last-stage lock, opening and closing time of the last-stage lock, and ship exit time; The secondary indicators of miter door operation are: door body vibration, friction noise, bilateral synchronization, and door body cracks; The secondary indicators of the operation of the reverse arc door are: water leakage, loosening of the door shaft, and reliability of the dynamic water valve. The secondary indicators of the operation of the electronic control system are: power supply reliability, component failure rate, sensor stability, and program stability; The secondary indicators of hydraulic system operation are: system pressure, response speed, hydraulic leakage, and pipeline aging.

[0007] Preferably, the step 2 specifically includes: Step 2.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the actual data of each secondary indicator of the navigation operation status of the ship lock is obtained in real time according to the navigation operation data of the ship lock and the equipment operation data, and automatic comprehensive statistics are performed on a monthly basis to form an actual value matrix of each secondary indicator of the navigation operation status of the ship lock; Step 2.2: According to the actual value matrix of each secondary index of the navigation operation status of the ship lock described in step 2.1, each index value is forward processed; Step 2.3: According to the actual value matrix of the secondary indicators after the forward processing described in step 2.2, since the dimensions of different indicator data are different, it is necessary to perform standardization, that is, eliminate the dimension processing; Step 2.4: Calculate the mean of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3; Step 2.5: Calculate the standard deviation of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3 and the secondary indicator mean described in step 2.4; Step 2.6: Calculate the coefficient of variation of each secondary indicator based on the mean of the secondary indicator described in step 2.4 and the standard deviation of the secondary indicator described in step 2.5; Step 2.7: Calculate the weight of each secondary indicator according to the coefficient of variation of each secondary indicator described in step 2.6; Step 2.8: According to the weights of each secondary indicator described in step 2.7, calculate the data of each primary indicator after data standardization; Step 2.9: Calculate the mean, standard deviation, and coefficient of variation of each first-level indicator according to the data of each first-level indicator described in step 2.8; Step 2.10: Calculate the weight of each first-level indicator based on the coefficient of variation of each first-level indicator described in step 2.9.

[0008] Preferably, the actual value matrix of each secondary indicator of the navigation operation status of the lock described in step 2.1 is: ; in, For the i Month j Secondary indicator value, , ; The index values ​​described in step 2.2 are processed positively. For positive indexes, their original values ​​are kept unchanged. For negative indexes, the positive calculation method is: ; in, k is an arbitrary coefficient.

[0009] Preferably, the actual data standardization of the secondary indicators described in step 2.3 is dimension elimination processing, and the data standardization calculation method is: ; The mean calculation method for each secondary indicator described in step 2.4 is: .

[0010] Preferably, the standard deviation calculation method of each secondary index described in step 2.5 is: .

[0011] Preferably, the coefficient of variation of each secondary index described in step 2.6 is calculated as follows: .

[0012] Preferably, the weight calculation method of each secondary index described in step 2.7 is: .

[0013] Preferably, the step 3 specifically includes: Step 3.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the navigation operation status of the ship lock is divided into "Level 1-high efficiency and safety", "Level 2-relatively high efficiency and safety", "Level 3-normal operation", "Level 4-needs to be improved", and "Level 5-urgently needs to be improved"; Step 3.2: According to the classification of the navigation operation status of the ship lock described in step 3.1, the classical domain matter-element and the node domain matter-element of each operation status level with respect to each indicator are calculated; Step 3.3: Determine the matter-element to be evaluated based on the classical domain matter-element and node domain matter-element of each indicator described in step 3.2 and the actual data of each secondary indicator of the navigation operation status of the ship lock described in step 2.1; Step 3.4: According to the matter-element to be evaluated described in step 3.3, calculate the correlation between each secondary indicator and its corresponding primary indicator at different levels to form a secondary indicator correlation model; Step 3.5: According to the secondary indicator correlation model described in step 3.4, and based on the maximum membership principle, determine the maximum correlation and operation status level of each secondary indicator; Step 3.6: Perform extension evaluation on the first-level indicator layer, and calculate the first-level indicator correlation matrix and the first-level indicator correlation model according to the correlation model of each second-level indicator described in step 3.4 and the weight matrix of each second-level indicator described in step 2.7; Step 3.7: Perform extension evaluation on the target layer, and calculate the target layer correlation matrix and target layer correlation model according to the correlation matrix of each first-level indicator described in step 3.6 and the first-level indicator weight value vector described in step 2.4; Step 3.8: According to the maximum membership principle, determine the comprehensive evaluation results of the navigation operation status level of the lock.

[0014] Preferably, the classical domain matter-element calculation method described in step 3.2 is: ; in, There are 30 secondary indicators. In order to evaluate the value range of the secondary indicators for different operating status levels, the section domain calculation method is the classic domain of the full value range.

[0015] Preferably, the calculation method of the correlation degree of different levels between each secondary indicator and its corresponding primary indicator in step 3.4 is: ; ; ; Where: K ij is the correlation between the i-th evaluation index of the evaluation object and the level j; ρ(v i , V i ) is point v i With interval V i The distance; ρ(v i , V ij ) is point v i With interval V ij The distance.

[0016] The present invention has the following beneficial effects: 1. The present invention provides a method for evaluating the navigation operation status of a ship lock. Compared with the existing field of qualitative evaluation of equipment and facilities or construction safety, this evaluation method is aimed at the navigation operation status of a ship lock, including the operation status of the ship lock and the operation status of the ship lock equipment and facilities. It is a completely new field and an objective and quantitative evaluation method.

[0017] 2. The present invention provides a method for evaluating the navigation operation status of a ship lock. For each level of navigation operation status indicators, a hierarchical structure model of target layer, primary indicator layer and secondary indicator layer is established. The objective weighting method based on the coefficient of variation method is adopted for the weight and ranking calculation of indicators at each level, which eliminates the subjective errors of expert scoring and expert weighting and ensures the objectivity and accuracy of the navigation operation status evaluation.

[0018] 3. The present invention provides a method for evaluating the navigation operation status of a ship lock, which comprehensively and systematically evaluates and rates the various indicators of the navigation operation status and the overall navigation operation status, objectively reflects the various indicators of the ship lock and the overall operation status and level, intuitively reflects the weak links in the operation of the ship lock, and provides targeted improvement and optimization suggestions for improving the navigation operation status of the ship lock and its efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 This is a secondary indicator data acquisition system for the navigation operation status of a ship lock of the present invention and a hierarchical structure model diagram thereof.

[0021] Figure 2 The present invention is a flow chart of the calculation method for the weights and ranking of various indicators of the navigation operation status.

[0022] Figure 3 This is a flow chart of the comprehensive evaluation and rating method for the navigation operation status of a ship lock according to the present invention. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0024] The technical problem to be solved by the present invention is to provide a method for evaluating the navigation operation status of a ship lock, fill the gap of no objective, quantitative and systematic evaluation of the navigation operation status and efficiency of the ship lock, realize the objective, quantitative and systematic evaluation of the navigation operation status and efficiency of the ship lock, find out the crux of the navigation operation of the ship lock, and improve the navigation efficiency of the ship lock.

[0025] In order to achieve the above technical objectives, the technical solution of the present invention is: A method for evaluating the navigation operation status of a ship lock comprises the following steps: Step 1: Establish a secondary indicator data collection system for the navigation operation status of the ship lock; Step 1.1: Establish the navigation operation status target layer of the ship lock, and determine the seven-level targets from navigation operation status 1 to navigation operation status 7; Step 1.2: Establish the first-level indicator layers corresponding to the seven-level targets of the navigation operation status of the ship lock, and the first-level indicator layers are: ship lock operation index, ship entry, berthing, berthing, ship exit, miter gate operation, reverse arc gate operation, electric control system operation, hydraulic system operation; Step 1.3: Establish the secondary indicator layers corresponding to the primary indicator layer of the navigation operation status of the ship lock. The secondary indicators corresponding to the ship entering the lock are: berthing at the pier, berthing at the navigation wall, time for entering the lock, time for water delivery at the first lock, time for opening and closing the first lock; the secondary indicators corresponding to shifting and berthing are: time for water delivery at the middle lock, time for opening and closing the middle lock, time for ship shifting; the secondary indicators for ship exiting the lock are: time for water delivery at the last lock, time for opening and closing the last lock, time for ship exiting the lock; the secondary indicators for the operation of the miter gate are: vibration of the gate body, friction noise, bilateral synchronicity, and cracks in the gate body; the secondary indicators for the operation of the anti-arc gate are: water stop leakage, loosening of the gate shaft, and reliability of the dynamic water valve; the secondary indicators for the operation of the electronic control system are: power supply reliability, component failure rate, sensor stability, and program stability; the secondary indicators for the operation of the hydraulic system are: system pressure, response speed, hydraulic leakage, and pipeline aging.

[0026] Step 2: Calculation of weights and ranking of indicators of navigation operation status; Step 2.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the actual data of each secondary indicator of the navigation operation status of the ship lock is obtained in real time according to the navigation operation data of the ship lock and the equipment operation data, and automatic comprehensive statistics are performed on a monthly basis to form an actual value matrix of each secondary indicator of the navigation operation status of the ship lock; Step 2.2: According to the actual value matrix of each secondary index of the navigation operation status of the ship lock described in step 2.1, each index value is forward processed: Step 2.3: According to the actual value matrix of the secondary indicators after the forward processing described in step 2.2, since the dimensions of different indicator data are different, it is necessary to perform standardization, that is, eliminate the dimension processing; Step 2.4: Calculate the mean of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3; Step 2.5: Calculate the standard deviation of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3 and the secondary indicator mean described in step 2.4; Step 2.6: Calculate the coefficient of variation of each secondary indicator based on the mean of the secondary indicator described in step 2.4 and the standard deviation of the secondary indicator described in step 2.5; Step 2.7: Calculate the weight of each secondary indicator according to the coefficient of variation of each secondary indicator described in step 2.6; Step 2.8: According to the weights of each secondary indicator described in step 2.7, calculate the data of each primary indicator after data standardization; Step 2.9: Based on the primary indicator data described in step 2.8, calculate the mean, standard deviation, and coefficient of variation of each primary indicator.

[0027] Step 2.10: Calculate the weight of each first-level indicator based on the coefficient of variation of each first-level indicator described in step 2.9.

[0028] Step 3: Comprehensive evaluation and rating of the navigation operation status of the lock; Step 3.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the navigation operation status of the ship lock is divided into "Level 1-high efficiency and safety", "Level 2-relatively high efficiency and safety", "Level 3-normal operation", "Level 4-needs to be improved", and "Level 5-urgently needs to be improved"; Step 3.2: According to the classification of the navigation operation status of the ship lock described in step 3.1, the classical domain matter-element and the node domain matter-element of each operation status level with respect to each indicator are calculated; Step 3.3: Determine the matter-element to be evaluated based on the classical domain matter-element and node domain matter-element of each indicator described in step 3.2 and the actual data of each secondary indicator of the navigation operation status of the ship lock described in step 2.1; Step 3.4: According to the matter-element to be evaluated described in step 3.3, calculate the correlation between each secondary indicator and its corresponding primary indicator at different levels to form a secondary indicator correlation model; Step 3.5: According to the secondary indicator correlation model described in step 3.4, and based on the maximum membership principle, determine the maximum correlation and operation status level of each secondary indicator; Step 3.6: Perform extension evaluation on the first-level indicator layer, and calculate the first-level indicator correlation matrix and the first-level indicator correlation model according to the correlation model of each second-level indicator described in step 3.4 and the weight matrix of each second-level indicator described in step 2.7; Step 3.7: Perform extension evaluation on the target layer, and calculate the target layer correlation matrix and target layer correlation model according to the correlation matrix of each first-level indicator described in step 3.6 and the first-level indicator weight value vector described in step 2.4; Step 3.8: Determine the comprehensive evaluation result of the navigation operation status level of the lock according to the principle of maximum membership degree; Step 3.7: Perform extension evaluation on the target layer, and calculate the target layer correlation matrix and target layer correlation model according to the correlation matrix of each first-level indicator described in step 3.6 and the first-level indicator weight value vector described in step 2.4.

[0029] Step 3.8: According to the maximum membership principle, determine the comprehensive evaluation results of the navigation operation status level of the lock.

[0030] Embodiment 2: Furthermore, the actual value matrix of each secondary indicator of the navigation operation status of the ship lock described in step 2.1 is: ; in, For the i Month j Secondary indicator value, , ; The index values ​​described in step 2.2 are processed positively. For positive indexes, their original values ​​are kept unchanged. For negative indexes, the positive calculation method is: ; in, k is an arbitrary coefficient.

[0031] The actual data standardization of the secondary indicators described in step 2.3 is to eliminate the dimension processing. The data standardization calculation method is: ; The mean calculation method for each secondary indicator described in step 2.4 is: .

[0032] The standard deviation calculation method for each secondary indicator described in step 2.5 is: .

[0033] The coefficient of variation of each secondary indicator described in step 2.6 is calculated as follows: .

[0034] The weight calculation method for each secondary indicator described in step 2.7 is: .

[0035] Embodiment 3: Furthermore, the calculation method of the classical domain matter-element described in step 3.2 is: ; in, There are 30 secondary indicators. In order to evaluate the value range of the secondary indicators for different operating status levels, the section domain calculation method is the classic domain of the full value range.

[0036] Preferably, the calculation method of the correlation degree of different levels between each secondary indicator and its corresponding primary indicator in step 3.4 is: ; ; ; Where: K ij is the correlation between the i-th evaluation index of the evaluation object and the level j; ρ(v i , V i ) is point vi With interval V i The distance; ρ(v i , V ij ) is point v i With interval V ij The distance.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for evaluating the navigation operation status of a ship lock, characterized in that: The following steps are involved: Step 1: Establish a secondary indicator data collection system for the navigation operation status of the ship lock; By dividing the navigation operation status of the ship lock into multiple navigation operation statuses, and then taking the navigation operation status as the target layer, and then determining the first-level indicator layer according to the navigation operation status, and then dividing all the first-level indicator layers into corresponding second-level indicator layers; Step 2: Calculation of weights and ranking of indicators of navigation operation status; Based on the actual data of the secondary indicators corresponding to the secondary indicator layer obtained in step 1, a secondary indicator actual value matrix is ​​constructed, and the secondary indicator actual value matrix is ​​processed to finally obtain the secondary indicator weights; and then the weights of each primary indicator are obtained after calculation according to the secondary indicator weights; Step 3: Comprehensive evaluation and rating of the navigation operation status of the lock; The navigation operation status of the ship lock is divided into different levels, and the classic domain / node domain object-elements of each indicator are calculated according to the division results. The object-elements to be evaluated are determined by combining the actual data of the secondary indicators in step 2, and then a secondary indicator correlation model is formed. Finally, the comprehensive evaluation results of the navigation operation status of the ship lock are determined according to the maximum membership principle.

2. A method for evaluating the navigation operation status of a ship lock according to claim 1, characterized in that: The step 1 specifically includes: Step 1.1: Establish the navigation operation status target layer of the ship lock, and determine the navigation operation status 1 to navigation operation status 8, a total of eight levels of targets; Step 1.2: Establish the first-level indicator layers corresponding to the eight-level targets of the navigation operation status of the ship lock, and the first-level indicator layers are: ship lock operation index, ship entry, berthing, berthing, ship exit, miter gate operation, reverse arc gate operation, electric control system operation, hydraulic system operation; Step 1.3: Establish the secondary indicator layers corresponding to the primary indicator layer of the navigation operation status of the ship lock; The secondary indicators corresponding to the ship lock operation indicators are: cargo throughput, lock passage time, shutdown failure rate, and obstruction rate; The secondary indicators corresponding to ships entering the lock are: berthing at the pier, berthing at the navigation wall, duration of entering the lock, duration of water delivery at the first-stage lock, and duration of opening and closing of the first-stage lock; The secondary indicators corresponding to berthing and berthing are: water delivery time of the middle gate, opening and closing time of the middle gate, and ship berthing time; The secondary indicators for ship exit are: water delivery time of the last-stage lock, opening and closing time of the last-stage lock, and ship exit time; The secondary indicators of miter door operation are: door body vibration, friction noise, bilateral synchronization, and door body cracks; The secondary indicators of the operation of the reverse arc door are: water leakage, loosening of the door shaft, and reliability of the dynamic water valve. The secondary indicators of the operation of the electronic control system are: power supply reliability, component failure rate, sensor stability, and program stability; The secondary indicators of hydraulic system operation are: system pressure, response speed, hydraulic leakage, and pipeline aging.

3. A method for evaluating the navigation operation status of a ship lock according to claim 1, characterized in that: The step 2 specifically includes: Step 2.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the actual data of each secondary indicator of the navigation operation status of the ship lock is obtained in real time according to the navigation operation data of the ship lock and the equipment operation data, and automatic comprehensive statistics are performed on a monthly basis to form an actual value matrix of each secondary indicator of the navigation operation status of the ship lock; Step 2.2: According to the actual value matrix of each secondary index of the navigation operation status of the ship lock described in step 2.1, each index value is forward processed; Step 2.3: According to the actual value matrix of the secondary indicators after the forward processing described in step 2.2, since the dimensions of different indicator data are different, it is necessary to perform standardization, that is, eliminate the dimension processing; Step 2.4: Calculate the mean of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3; Step 2.5: Calculate the standard deviation of each secondary indicator based on the standardized secondary indicator actual value matrix described in step 2.3 and the secondary indicator mean described in step 2.4; Step 2.6: Calculate the coefficient of variation of each secondary indicator based on the mean of the secondary indicator described in step 2.4 and the standard deviation of the secondary indicator described in step 2.5; Step 2.7: Calculate the weight of each secondary indicator according to the coefficient of variation of each secondary indicator described in step 2.6; Step 2.8: According to the weights of each secondary indicator described in step 2.7, calculate the data of each primary indicator after data standardization; Step 2.9: Calculate the mean, standard deviation, and coefficient of variation of each first-level indicator according to the data of each first-level indicator described in step 2.8; Step 2.10: Calculate the weight of each first-level indicator based on the coefficient of variation of each first-level indicator described in step 2.

9.

4. A method for evaluating the navigation operation status of a ship lock according to claim 3, characterized in that: The actual value matrix of each secondary indicator of the navigation operation status of the ship lock described in step 2.1 is: ; in, For the i Month j Secondary indicator value, , ; The index values ​​described in step 2.2 are processed positively. For positive indexes, their original values ​​are kept unchanged. For negative indexes, the positive calculation method is: ; in, k is an arbitrary coefficient.

5. A method for evaluating the navigation operation status of a ship lock according to claim 4, characterized in that: The actual data standardization of the secondary indicators described in step 2.3 is to eliminate the dimension processing. The data standardization calculation method is: ; The mean calculation method for each secondary indicator described in step 2.4 is: 。 6. A method for evaluating the navigation operation status of a ship lock according to claim 5, characterized in that: The standard deviation calculation method for each secondary indicator described in step 2.5 is: 。 7. A method for evaluating the navigation operation status of a ship lock according to claim 6, characterized in that: The coefficient of variation of each secondary indicator described in step 2.6 is calculated as follows: 。 8. A method for evaluating the navigation operation status of a ship lock according to claim 7, characterized in that: The weight calculation method for each secondary indicator described in step 2.7 is: 。 9. A method for evaluating the navigation operation status of a ship lock according to claim 8, characterized in that: The step 3 specifically includes: Step 3.1: According to the secondary indicator data collection system for the navigation operation status of the ship lock described in step 1, the navigation operation status of the ship lock is divided into "Level 1-high efficiency and safety", "Level 2-relatively high efficiency and safety", "Level 3-normal operation", "Level 4-needs to be improved", and "Level 5-urgently needs to be improved"; Step 3.2: According to the classification of the navigation operation status of the ship lock described in step 3.1, the classical domain matter-element and the node domain matter-element of each operation status level with respect to each indicator are calculated; Step 3.3: Determine the matter-element to be evaluated based on the classical domain matter-element and node domain matter-element of each indicator described in step 3.2 and the actual data of each secondary indicator of the navigation operation status of the ship lock described in step 2.1; Step 3.4: According to the matter-element to be evaluated described in step 3.3, calculate the correlation between each secondary indicator and its corresponding primary indicator at different levels to form a secondary indicator correlation model; Step 3.5: According to the secondary indicator correlation model described in step 3.4, and based on the maximum membership principle, determine the maximum correlation and operation status level of each secondary indicator; Step 3.6: Perform extension evaluation on the first-level indicator layer, and calculate the first-level indicator correlation matrix and the first-level indicator correlation model according to the correlation model of each second-level indicator described in step 3.4 and the weight matrix of each second-level indicator described in step 2.7; Step 3.7: Perform extension evaluation on the target layer, and calculate the target layer correlation matrix and target layer correlation model according to the correlation matrix of each first-level indicator described in step 3.6 and the first-level indicator weight value vector described in step 2.4; Step 3.8: According to the maximum membership principle, determine the comprehensive evaluation results of the navigation operation status level of the lock.

10. A method for evaluating the navigation operation status of a ship lock according to claim 9, characterized in that: The calculation method of the classical domain matter-element described in step 3.2 is: ; in, There are 30 secondary indicators. To evaluate the value range of the secondary indicators for different operating status levels, the section domain calculation method is the classical domain of the full value range; The calculation method of the correlation degree of each secondary indicator and its corresponding primary indicator at different levels described in step 3.4 is as follows: ; ; ; Where: K ij is the correlation between the i-th evaluation index of the evaluation object and the level j; ρ(v i , V i ) is point v i With interval V i The distance; ρ(v i , V ij ) is point v i With interval V ij The distance.

Citation Information

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