Method for auto-generating safety describing statement of electronic operation order

A technology for describing sentences and safety measures, which is applied in the field of automatic generation of description sentences for safety measures of electric work tickets, to achieve the effect of eliminating content omissions and improving generation efficiency

Inactive Publication Date: 2009-08-19
西安辰方思创科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] Aiming at the safety defects of manually writing work ticket safety measures, the purpose of this invention is to propose a method for automatically generating description sentences of power work ticket safety measures that...
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Abstract

An automatic generation method of an electric work ticket security measure description statement includes the following steps: 1. work equipment is selected; 2. five types of electrical-connection linking lists including a straight line, a broken line, an arc line, an electrical-connection point and an equipment primitive are automatically generated; 3. an automatic analysis of the electrical-connection relationship is carried out for obtaining an operational equipment list; 4. according to the equipment type selection and a consistent equipment rule thereof, a description phrase is generated; 5. whether the generated description phrase has a ambiguous meaning is analyzed and then determined; if so, semantic ambiguity processing is then carried out; 6. based on the generated description phrase, a rule optimization is carried out for generating a description sentence; and 7. an additional description statement is generated and then merged with the generated description sentence for forming a work ticket security measure description statement. The invention can effectively avoid the defects of the manual writing mode of the work ticket security technology measure such as low efficiency, possible security measure omissions and the like, ensures the security of the operation process, improves the running safety of a power grid, and effectively avoids human casualties.

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  • Method for auto-generating safety describing statement of electronic operation order
  • Method for auto-generating safety describing statement of electronic operation order
  • Method for auto-generating safety describing statement of electronic operation order

Examples

  • Experimental program(1)

Example Embodiment

[0025] The present invention will be further described below in conjunction with the drawings and embodiments.
[0026] See figure 1 , The method for automatically generating work ticket security measures description sentences of the present invention includes the following steps:
[0027] ①Select working equipment;
[0028] ② Automatically generate five types of electrical connection linked lists of straight lines, broken lines, arcs, electrical connection points and equipment graphics elements according to the electrical system diagram;
[0029] ③Automatically analyze the electrical connection relationship according to the working equipment, electrical system diagram and the five types of electrical connection linked list to obtain the operating equipment linked list;
[0030] ④ Traverse the linked list of operating equipment, and select the equipment rules consistent with the equipment type to produce description phrases;
[0031] ⑤Analyze and judge whether there is ambiguity in the generated description phrase, and if there is any semantic ambiguity;
[0032] ⑥Based on the generated descriptive phrases, optimize the rules to generate descriptive sentences;
[0033] ⑦Generate additional descriptive sentences according to the additional descriptive sentence rules, and combine them with the generated descriptive sentences to form a work ticket security measures description sentence.
[0034] See Figure 5 , In step 1, select the work equipment that needs to be overhauled. In the embodiment, the work equipment is the 1153 switch, and the 1153 switch of the Jiandong Line is applied for overhaul.
[0035] See figure 2 , image 3 , Figure 4 , In step 2, the electrical connection link list is automatically generated according to the electrical system diagram. The various electrical equipment, connections, and identifications in the electrical system diagram are all represented in the form of graphic elements. In order to analyze the topology of the electrical structure of the system, the electrical system diagram is represented by a linked list structure with graphic elements as elements. The primitives can be divided into basic primitives and equipment primitives. Basic primitives include straight lines, polylines, arcs, electrical connection points, rectangles, circles, ellipses, text, images, etc. The equipment primitives represent the actual equipment of the power system. Here, the five types of primitives including straight lines, polylines, arcs, electrical connection points, and equipment primitives in the basic primitives constitute the electrical connection relationship of the system. Other primitives such as rectangles, circles, text, images, etc. do not have electrical connections. relationship. When performing connectivity analysis, only five types of graphic elements with electrical connection relationships need to be analyzed.
[0036] Furthermore, define the following connections as electrical connections:
[0037] ① The connection between the equipment and the equipment is equivalent to the terminal connection of the equipment lead, and this connection is an electrical connection;
[0038] ②The connection between the terminal of the equipment lead and the middle of the electrical wire is an electrical connection;
[0039] ③ The connection between the end of the electric wire and the end of the electric wire is an electrical connection;
[0040] ④ The connection between the end of the electric wire and the middle of another electric wire is an electric connection;
[0041] ⑤ In addition to the above, if you need to indicate the electrical connection relationship, you need to place an electrical connection point at the connection.
[0042] According to the above design principles, use the possible electrical connection relationships of the above five types of primitives figure 2 Said.
[0043] in figure 2 In order to avoid the ambiguity of the representation, when two graphic elements are connected, one graphic element is represented by a thin line and the other is represented by a thick line. The connection relationship of different types of primitives is mirror-symmetrical with the diagonal as the axis in the table, so the lower left part will not be repeated.
[0044] The electrical connection relationship of the above five types of primitives is modeled as image 3 As shown in the equivalent diagram, the connection relationship is transformed into an undirected diagram, so that the diagram can be used to study the electrical connection relationship of the power system.
[0045] Since straight lines, broken lines, and arcs have the same function when representing electrical connections, image 3 In the table, they are equivalent to one category, and they are uniformly represented by straight lines. in image 3 In the table, the left side is the connection relationship, and the right side is the corresponding equivalent model diagram. For example, the connection between the switch and the knife switch can be equivalent to four types according to whether the switch and the knife switch are closed or disconnected, ① means that the switch and the knife switch are both closed, ② the switch is closed, the knife is open, and ③ means It means that the switch is open and the switch is closed, ④ means that the switch and the switch are in the open state.
[0046] Go further, see Figure 4 , 1) First modify the current pointer of the electrical system diagram linked list to the head of the linked list, and establish five linked lists of straight lines, polylines, arcs, electrical connection points and equipment primitives; 2) Then take the primitive at the current pointer, if the primitive type Belongs to one of straight lines, polylines, arcs, electrical connection points, and equipment primitives. Insert the primitives into the corresponding straight lines, polylines, arcs, electrical connection points, and the end of the equipment primitives list; 3) Put the electrical The current pointer of the system diagram linked list moves backward once, if it does not reach the end of the linked list, go to process 2), otherwise, the obtained line, polyline, arc, electrical connection point, and equipment graphic element linked list are five graphic element electrical connection linked lists.
[0047]In step 3, starting from the selected work equipment, the graph breadth-first traversal algorithm is used for recursive search. 1) Since all the graphic element nodes in the electrical system diagram are stored in the form of a linked list, first, according to the node pointer of the selected working equipment, visit all the graphic elements related to the node in the five graphic element electrical connection linked list in turn, and change The graphic elements with electrical connections are removed to form a temporary linked list; 2) after that, each node of the temporary linked list is analyzed. If the node is a device graphic element, it will be removed and added to the operating equipment linked list. Otherwise, all graphic elements related to the node in the five graphic element electrical connection linked lists will be accessed in turn, and the graphic elements with electrical connections will be removed to form a and Temporary linked list related to this node. Repeat process 2) for each temporary linked list, this process is a recursive process; 3) After the recursive analysis, add the work equipment to the head of the operating equipment linked list, and the obtained operating equipment linked list is involved in the work ticket security measures All equipment.
[0048] In the embodiment, the operating device linked list includes six device primitives: 1153 switch, 11531 switch, 11532 switch, 11536 switch, 115377 ground knife, and 115317 ground knife.
[0049] See Figure 5 , Figure 6 , In step 4, perform descriptive phrase inference based on the linked list of operating devices to generate a descriptive phrase for each operating device.
[0050] Furthermore, the existing equipment is divided into two types: operable equipment and grounded equipment. Among them, operable equipment is divided into primary equipment and secondary equipment. Primary equipment includes switch, knife switch, insurance, and trolley; secondary equipment includes switch, knife switch, insurance, and pressure plate. Grounding equipment includes ground knife, ground wire, partition and insulating sleeve.
[0051] Furthermore, the rules for automatic generation of description language are defined as two types: device type rules and device description phrase rules. Among them, the device type rule is used to determine the type of the selected device; the device description phrase rule is used to analyze the input device characteristics according to the classification of the device to generate a description phrase in the description language.
[0052] In the embodiment, the device type rules and device description phrase rules are as follows:
[0053] Device type rules
[0054] Rule1-1: If the equipment is on the primary circuit diagram and the equipment is (switch or knife switch or insurance or trolley)
[0055] Then the device is a primary device
[0056] Rule1-2: If the equipment is on the secondary circuit diagram and the equipment is (switch or knife switch or insurance or pressure plate)
[0057] Then the device is a secondary device
[0058] Rule1-3: If the equipment is ground knife or ground wire or partition or insulating sleeve
[0059] Then the device is grounded
[0060] Device description phrase rules
[0061] Rule2-1: If the device is a primary device
[0062] Then the phrase is line name and device name and device type
[0063] Rule2-2: If the device is a secondary device and the device is a protective screen device
[0064] Then the phrase is the name of the protection screen, device name and device type
[0065] Rule2-3: If the device is a grounding device and the device is a ground knife
[0066] Then the phrase is line name and device name and device type
[0067] Descriptive phrase generated:
[0068] Jiandong Line 1153 switch
[0069] Jiandong Line 11531 Knife Gate
[0070] Jiandong Line 11532 Knife Gate
[0071] Jiandong Line 11536 Knife Gate
[0072] Jiandong line 115377 ground knife
[0073] Jiandong line 115317 ground knife
[0074] Furthermore, in actual operation, the completion of a maintenance work may need to operate multiple devices, which will generate multiple description phrases. In order to meet user requirements, these generated phrases need to be optimized to form a standardized description language that meets user requirements. According to the industry characteristics of the power system, optimization rules are divided into four types: 1) simplified description; 2) no branch, classified description; 3) branch, classified description; 4) branch, sequence description.
[0075] 1) Simplified description is based on the specific requirements of the user unit, and selects in the order of the same operation, the same line, and the same type of equipment. The description sentences with the same attributes above are simplified and combined into one sentence;
[0076] 2) Non-branch, categorized description is to combine the same type of equipment and the same operation into one sentence;
[0077] 3) The description of branch and classification is to merge the same type of equipment and the same operation;
[0078] 4) The branch and sequence description are generated according to the sequence of the device's position in the device operation list.
[0079] In the embodiment, a simplified description optimization rule is adopted for the knife switch. Optimized description phrase:
[0080] Jiandong Line 1153 switch
[0081] Jiandong Line 11531, 11532, 11536 Knife Gate
[0082] Jiandong line 115377 ground knife
[0083] Jiandong line 115317 ground knife
[0084] See Figure 5 , Figure 6 , In step 5, description conflicts or semantic ambiguities may occur when generating the description language, and corresponding processing needs to be carried out at this time. For example, the following two situations: 1) For some special equipment and operating equipment and operations, there will be special requirements when describing the operation. At this time, a description error will occur, that is, a description conflict. For example, the device description rules stipulate that the description format of the switch is "line + device name + device type", but a special switch requires "voltage level + device name + device type"; 2) Suppose you want to open the east line 3216 three-phase When switching Phase A, the generated description language is "The 3216A switch of Jiandong Line should be opened", but there may be another switch device 3216A, which will cause confusion in description.
[0085] For description conflicts, when defining rules, define basic rules for each device type, and define special rules for devices that require special descriptions. The special rules adopt priority strategies, in the order of priority from high to low: specify specific equipment, branch line name base, template name base, library type based, equipment type based, voltage level based, and substation The name is basic, and it is performed according to priority during rule search.
[0086] For semantic ambiguity, when the description language is generated, if the two parts are connected with ambiguity (mainly appearing at the end of the front part and the beginning of the back part are English characters), add a space between the two parts.
[0087] In the embodiment, a special description phrase rule is adopted for the switch device.
[0088] Rulesp-1: If the device is a primary device and the device type is a switch
[0089] Then the phrase is voltage level, device name and device type
[0090] The description phrase of "Jiandong Line 1153 switch" will be revised to "110KV1153 switch".
[0091] See Figure 5 , Figure 6 , In step 6, define the operation description sentence rules for the selected device, according to the current operation status type (ticket application, ticket permission), based on the description phrase generated by the device description rule library, generate the corresponding operation description sentence .
[0092] In the embodiment, the operation description sentence rules are defined:
[0093] Rule3-1: If the equipment type is isolated equipment and ticket application operation
[0094] Then sentence should be opened and description phrase
[0095] Rule3-2: If the equipment type is grounding equipment and ticket application operation
[0096] Then sentence should be closed and description phrase
[0097] Rule3-3: If the equipment type is isolated equipment and ticket permit operation
[0098] Then sentence is already opened and description phrase
[0099] Rule3-4: If the equipment type is grounding equipment and ticket permit operation
[0100] Then sentence is closed and description phrase
[0101] Descriptive statement generated:
[0102] The 110KV1153 Dongshui switch should be opened;
[0103] Jiandong Line 11531, 11532, 11536 Dongshui Knife Gates should be opened;
[0104] The 115377 ground knife on Jiandong Line should be closed;
[0105] The 115317 ground knife on Jiandong Line should be closed.
[0106] See Figure 5 , Figure 6 In step 7, for the generated description language, it is often necessary to add some additional descriptions to form the final output work ticket security measures description sentence. To this end, define additional description sentence rules.
[0107] In the embodiment, define additional description sentence rules:
[0108] Rule4-1: If the equipment type is isolation equipment with auxiliary mechanism
[0109] Then the sentence is to disconnect the above and device name and operating energy.
[0110] Rule4-2: If the equipment type is isolation equipment with auxiliary mechanism
[0111] Then the sentence is to lock the above and device name and operation handle.
[0112] Simplified description optimization is adopted for the generated additional description sentence, and combined with the generated description sentence to form a work ticket security measure description sentence:
[0113] Should pull the knife and switch
[0114] The 110KV1153 Dongshui switch should be opened;
[0115] Jiandong Line 11531, 11532, 11536 Dongshui Knife Gates should be opened;
[0116] Disconnect the above-mentioned switch and switch operation energy;
[0117] Lock the above-mentioned switch and knife switch operating handle.
[0118] Ground wire should be installed
[0119] The 115377 ground knife on Jiandong Line should be closed;
[0120] The 115317 ground knife on Jiandong Line should be closed.
[0121] The present invention proposes a method for generating a description sentence for a work ticket security measure. According to the linked list of work equipment and system structure diagrams, five graphic element electrical connection linked lists are generated, and the graph breadth priority traversal algorithm and recursive analysis are used to generate the linked list of operating equipment associated with the work equipment. Based on this, the work ticket security measures description language is generated through description rules. For the description conflicts and semantic ambiguities that may appear in the actual application process, corresponding processing strategies are proposed to realize the automatic generation of work ticket security measures description sentences. The invention can be applied to the automatic generation of power system work tickets, dispatch work tickets, line work tickets, power distribution work tickets, etc.
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