CN103558767A - Train control system test sequence auxiliary generation method and system - Google Patents
Train control system test sequence auxiliary generation method and system Download PDFInfo
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Abstract
The invention pertains to a train control system test sequence auxiliary generation method and system which can be used to provide a graphical editing environment for the compilation of a test sequence, help a compiler to complete the compilation of the test sequence, can automatically generate a test sequence document of the WORD format and an XML script for used by a CTCS-3 level train control system simulation test platform. The method and system are mainly composed of the following content and steps: a system configuration module, a data structure module, a circuit data module, a test case module, a teat subsequence module, a test sequence module, a station diagram drawing module, a Word and Visio generation module, an Xml generation module, and a GUI module.
Description
Technical field
The present invention relates to train operation control system field, relate to a kind of auxiliary generating method and system of train control system cycle tests.
Technical background
According to the requirement of " advanced, ripe, economic, applicable, reliable ", China 300km/h and above high-speed railway adopt CTCS-3 level train control system to unify technology platform system as system-wide, and compatible CTCS-2 level train control system, to realize the operation of rolling off the production line in motor train unit.CTCS-3 level train operation control system is the important equipment that guarantees the operation of train high-speed secure, and at present, it is wide force, successful Application on Zheng Xi, Shanghai-Hangzhou, Shanghai and Nanjing, the 300km/h high-speed railway such as Beijing-Shanghai.
In order to verify whether the function of CTCS-3 level train control system meets the requirement of technical manual, and assurance train uninterrupted operation (cross-line operation) on the circuit of the radio block center of equipment different manufacturers, must carry out a series of test, comprise laboratory simulations test, the test of site test section, combined test and interconnect test etc.
Because the on-the-spot test of train control system is not only the test of a specific installation, but the running that needs whole train control system with coordinate, and need the multidisciplinary coordinated of carrying out such as the vehicle in the railway system, electric business, power supply, work business, transportation.Make like this complicacy of test greatly improve, and will consume a large amount of human and material resources and financial resources, and there is certain potential safety hazard.
At present, the cycle tests adopting in the test of CTCS-3 level train control system is manual method establishment, and not only the workload of sequence establishment is large, also higher for authorized personnel's requirement, in order to guarantee that the correctness of sequence also needs repeatedly to prove, inefficiency wastes time and energy simultaneously.
Summary of the invention
For this situation, Beijing Jiaotong University has developed the auxiliary Core Generator of cycle tests, an integrated graphical editing environment can be provided for the establishment of cycle tests, auxiliary authorized personnel completes writing of cycle tests, and can automatically generate the cycle tests document of WORD form and for the XML script of CTCS-3 level train control system simulation test platform, greatly alleviate the workload of establishment cycle tests.
Present patent application is the Computer aided generation method and system of CTCS-3 train control system cycle tests.This system, by the interface that provides user to select, generates cycle tests for indirect labor, to alleviate artificial labour intensity.
Systemic-function comprises the automatic drafting of measurement circuit figure, the selection of Test segment, the auxiliary editor of testing procedure, the setting of various matching requirementss, the cycle tests document of WORD form is exported (comprising the automatic drafting of Visio form wiring diagram) automatically, test cases covers statistics, the electronic management of cycle tests etc.
In order to realize object of the present invention, a technical scheme of the present invention is a kind of method:
A cycle tests auxiliary generating method, it is mainly comprised of following content:
1) user selects the circuit of required test;
2) the measurement circuit system of selecting according to user is read in corresponding measurement circuit data, and wherein track data comprises station topological structure, station route data and interval circuit data;
3) user selects newly-built cycle tests and inputs the initial information of this cycle tests, and initial information comprises starting point and terminal, the information of test train used and the initial state of ATP of test;
4) user selects Test segment according to the principle of mobile unit mode of operation coupling; System is according to next step Test segment to be selected of user's selection automatic screening;
5) system is automatically drawn out wiring diagram and is generated a cycle tests time-scale;
6) user adds various matching requirementss on test sequence table, and various matching requirementss comprise station route, the setting of transponder fault, track circuit takies and cancellation, temporary speed limitation setting and cancellation; After above-mentioned matching requirements interpolation is errorless, completed the generation work of sequence.
In order to realize object of the present invention, another technical scheme of the present invention is a kind of system:
A cycle tests aided generation system, it is mainly comprised of following content: system configuration module, data structure block, track data module, test cases module, Test segment module, cycle tests module, wiring diagram drafting module, Word and Visio generation module, Xml generation module, GUI module.
Below utilize the drawings and specific embodiments to be elaborated.
Accompanying drawing explanation
Fig. 1: CTCS-3 level train control system structure
Fig. 2: cycle tests is assisted generative process
Fig. 3: the functional requirement of cycle tests aided generation system
Fig. 4: cycle tests aided generation system module relation diagram
Fig. 5: cycle tests forms schematic diagram
Fig. 6: cycle tests database E-R figure
Fig. 7: cycle tests database relation model
Fig. 8: Test segment E-R figure
Fig. 9: Test segment database relation model
Figure 10: the main interface of the auxiliary Core Generator of cycle tests
Figure 11 adds cycle tests essential information interface
Figure 12: test subsequence column selection interface
Figure 13: the time-scale that wiring diagram shows and comprises testing procedure
Figure 14: the setting of route and cancellation
Figure 15: the setting of temporary speed limitation and cancellation
Figure 16: the setting of transponder fault
Figure 17: the setting that track circuit takies and cancellation
Figure 18: rate request point arranges
Figure 19: add tester's matching requirements on car
Figure 20: the testing location that adds driver operation
Figure 21: case covers statistics
specific embodiment:
CTCS-3 level train control system is comprised of ground subsystem and onboard subsystem, and wherein ground subsystem comprises: transponder, RBC (Radio Block Centre, i.e. radio block center), track circuit etc.; Onboard subsystem comprises: mobile unit (on-vehicle host, transponder receiver module etc.), vehicle-mounted GSM-R wireless system etc.CTCS-3 level train control system is different from traditional train control system, and it adopts GSM-R wireless communication technology highly reliable, high safety, has realized data communication stable, continuous, two-way between train and ground.Meanwhile, CTCS-3 level train control system is realized train by the transponder of laying on circuit and is located; Utilize track circuit to realize taking of train and integrity checking.RBC, according to train position, orbit occupancy information and from the route information of interlocking etc., dynamically generates driving license MA (Movement Authority), and is transferred to mobile unit by GSM-R cordless communication network; Mobile unit, by receiving the information such as driving license, line parameter circuit value and temporary speed limitation of RBC, generates target range continuous velocity control model curve, monitors in real time safe train operation.The structure of CTCS-3 level train control system as shown in Figure 1.
The system testing of CTCS-3 level train control system is a comprehensive system checking, confirmation, checking and perfect process.Adopt advanced, comprehensively testing authentication technology and means, find CTCS-3 level train control system equipment in design, construction or the potential problems that may occur under specific condition, and Improvement and perfection in addition.Concrete content measurement comprises following several aspect:
1) laboratory simulations test, the test of the key equipment of CTCS-3 level train control system, concrete function and system interface being carried out under in conjunction with laboratory simulations test environment.Complete test before can runing for physical device, and to tests such as the fault recurrence of operation equipment and troubleshootings.
2) on-the-spot test: on laboratory simulations test basis, and in conjunction with on-the-spot circuit actual conditions, the test of carrying out on concrete circuit.This method of testing can be by verifying to optimize the whole capability between all system interfaces to on-the-spot test.Mainly comprise: the performance of (1) debugging and optimization system, whether checking meets designing requirement; (2) test and judge total interface requirement whether up to specification; (3) under the condition of fault, the performance of system is tested etc.
3) combined test: be mainly to take the test of CTCS-3 level train control system as main, be aided with CTC and interlocking system and carry out test and validation, comprise the test of test, failure safe functional test and system interface relation to systemic-function etc.Content mainly comprises: the functional test of (1) CTCS-3 level train control system; (2) CTCS-2 level train control system functional test; (3) in cross-line when operation, is to the compatibility test of CTCS-3 level train control system; (4) in cross-line when operation, is to the compatibility test of CTCS-2 level train control system.
4) test of interconnecting, i.e. cross-line operation, has equipped the train of distinct device supplier's mobile unit, on the circuit of equipment miscellaneous equipment supplier's uphole equipment, runs without interruption safely.The content of this test mainly comprises: (1) registration powers on starting outfit, train wakes up, train is registered, input train data, start train; (2) nullify: train driving chamber is closed, and RBC nullifies train, ends task; (3) C2/C3 inter-stage conversion; (4) driving license: connect outgoing route, by route, track block subregion, inverted running, side line (connect, send out, by), MA shortening and prolongation; (5) pattern conversion: the conversion between SB, OS, FS, CO, TR, PT pattern; (6) MA shortens and extends; (7) manual release route; (8) automatic passing over of neutral section; (9) degraded running: be automatically downgraded to C2 operation from C3; (10) temporary speed limitation: (main track and side line), interval, many places in standing, and the setting of temporary speed limitation and cancelling; (11) RBC switches (comprising the switching under the condition of He Shuan radio station, single radio station).
Test cases and cycle tests brief introduction:
CTCS-3 level train control system test cases is the requirement according to Black-box Testing, and in conjunction with the Line for Passenger Transportation of China railways and the demand of high-speed railway operation and construction, according to CTCS-3 level train control system system requirements standards (SRS), (v1.0) > > and < < CTCS-3 level train control system overall technological scheme > > work out.It is the lab investigation of CTCS-3 level train operation control system, site test, combined test, the basic file of test interconnects.
Cycle tests be one for instructing the handbook of on-the-spot test.It is tester according to set test purpose, take easy, be efficiently principle, the contact according between test cases, is together in series test cases, becomes one and can make field personnel operate according to the content in sequence, completes the instrument of test.Finally reach each test cases is obtained to the object of carrying out in test.
In a cycle tests, should comprise following content: cycle tests title and numbering, main content measurement, test period; Experiment precondition (train initial position, the original state of ATP equipment etc.), train route setting; Train operation path profile (comprising circuit station field pattern, temporary speed limitation section, fault section setting, test event information etc.); The detailed step of test (list on driver operation, car/ground staff's cooperation in each step, the variation of mobile unit pattern, test oracle result etc.).
The establishment of cycle tests should be followed following principle:
1) cycle tests can comprise a plurality of test cases, but the quantity of case to determine according to field condition is different, and in each cycle tests, at least comprise a test cases;
2) although the test cases number that cycle tests comprises does not have definite upper limit, but during because of test, general is all to carry out on the circuit of a finite length, so, the test cases number comprising will be considered the length of circuit, and when selecting test cases, consider the actual conditions at measurement circuit scene;
3) connection of test cases is limited to the conditions such as pattern and suitable environment, test cases can only follow the test cases that matches in output and self input after, be also that the output of previous test cases will match with the input of next-door neighbour's a rear test cases.Meanwhile, this combination need to meet the workflow of vehicle-mounted CTCS-3 level Train Operation Control System Onboard equipment, and can combine with specific scene, at the scene test or lab investigation in be attainable;
4) the test cases collection that < < CTCS-3 level train control system test cases (v3.0) > > provides has covered all SRS demands of surveying, therefore in order to cover all SRS demands of surveying, consider on-the-spot test, only need to be concerned about the part that wherein can test at the scene, for this generation method, what should cover is the test cases collection of user's appointment, and this test cases collection should be a subset of on-the-spot testable case;
5) cycle tests of establishment should meet the site environment of test;
6) in cycle tests serial connection process, should try not to reuse same test cases, if a specific function needs frequent use, select as far as possible testing expense test cases minimum, that testing efficiency is the highest to meet repeated requirement;
7) cycle tests initial/done state must be that standard operation can reach, and the expected result of each testing procedure should be visible on standard interface.
CTCS-3 level train control system cycle tests aided generation system functional requirement:
1) cycle tests is auxiliary generates: according to ground line circuit-switched data storehouse and test cases database, generate on-the-spot test and the required cycle tests of lab investigation.For user edits and generate cycle tests, provide a patterned environment, user can arrange train operation path easily, and various fault conditions are set, and selects corresponding test cases
2) electronic management of cycle tests: the increase of cycle tests, modification, deletion and retrieval etc.;
3) electronic management of Test segment: the increase of Test segment, modification, deletion and retrieval etc.;
4) electronic management of test script: cycle tests is converted to the required test script of simulation test platform by special-purpose crossover tool, by simulation management, the content of test script is sent to relevant node, under the control of simulation management device, realize automatically performing of cycle tests;
5) generate the on-the-spot cycle tests document using;
6) generate laboratory and use XML cycle tests script file;
7) according to user, drafting wiring diagram being set, is that establishment sequence is more intuitively more convenient;
8) in cycle tests, test cases covers statistical function;
How the present invention just assists generation cycle tests to carry out corresponding description, referring to the auxiliary generative process of the train control system cycle tests of describing in Fig. 2.The following process establishment of concrete employing cycle tests: test cases → Test segment → cycle tests (user need to select Test segment to form cycle tests, and system provides the Test segment consisting of test cases).For the interpolation of matching requirements in sequence, adopt artificial mode to realize.Sequence can be carried out the test of case spreadability and be generated cycle tests document and the Xml script file of laboratory use after working out.
Concrete auxiliary generating method step is described below:
1) first user selects the circuit of required test.
2) according to user's selective system, read in corresponding track data, comprise station topological structure, station route data and interval censored data.
3) user selects newly-built cycle tests and inputs the initial information of this cycle tests, comprise test starting and terminal point, test the information of train used and the initial state of ATP.
4) user selects Test segment according to the principle of pattern match.
5) system is automatically drawn out wiring diagram and is generated a time-scale that comprises testing procedure according to user's selection.
6) user need manually add matching requirements, comprises station route, transponder, control center etc.
7) above-mentioned information is added the generation work that has completed sequence after errorless, can be kept at disk for follow-up reading, and can carry out the generation of test document and the derivation of test script (Xml) file after completing sequence establishment.
According to the above-mentioned analysis for cycle tests aided generation system, the relation of the function that system should realize as shown in Figure 3 and between each functional module as shown in Figure 4.And system time have as follows points for attention about module name:
The function different according to modules, formulates naming rule, contributes to developer to name according to unified rule, and convenient maintenance and the upgrading of system version from now on alleviates developer's maintenance workload simultaneously.
System adopts C# language to develop, and comprises an executable file and some dynamic link library files, and in order to facilitate developer to distinguish modules, when system dll file adopts with exploitation, the identical mode of engineering name is named.
During system development, by the mode that comprises several engineerings under a solution, undertaken, the name of project file adopts the title of the namespace that in engineering, C# source file comprises.
The title of each source code file adopts the principle consistent with the class name wherein comprising, and guarantees only to state in a source file class as far as possible.In several functions, do not have the class of intersecting to forbid that statement is in same source file.If stated in a source file class some, the name of class file is identical with the title of class that wherein realizes major function.
Under the setting of the namespace of the class of statement should belong to, can not there is the phenomenon different from affiliated engineering namespace in the namespace of engineering.Under being placed directly in, suggestion in the namespace of engineering, under Ying Qi, at statement one deck, so just the code organization in same engineering can not got up.
The mode that in system, in each class and class, each member's name adopts Microsoft to recommend is carried out, and repeats no more herein.
For concrete auxiliary generating method is described, first part concept is carried out as given a definition and setting forth:
1. test frame and Test segment
Generating cycle tests must provide the series-mounting of test cases.Here introduce the concept of test frame and Test segment.The course of work of mobile unit is constantly changed and is embodied by state, and the main points of test cases serial connection are to extract and define an internal state collection, and this internal state collection has covered all possible mode of operation combination of CTCS-3 level mobile unit.After the state set of system is found out, find initial state to the transduction pathway of final state, every bar state transduction pathway is exactly a cycle tests.Although each test cases all has initial and done state, test cases quantity is huge, if the combination initial and done state of all test cases is described completely, and will be very numerous and diverse.And the mode of operation negligible amounts of mobile unit, and the envelop of function covering is larger, duration is longer, it is obvious state separation, the transfer that therefore can define between two mode of operations of mobile unit is a test frame, and by test cases appointment or relevant in this test frame is connected in series, just formed a Test segment in this test frame.
Each test frame has defined all possible transfer between two patterns, in test frame, can extract test frame initial with end mode outside more detailed internal state, select test cases to connect, form Test segment.
The design of test frame and Test segment need follow following some:
1) test frame at least comprises a Test segment, and a Test segment at least comprises a test cases;
2) when test cases is connected, extract more detailed internal state, select suitable test cases to mate with it, the test cases that final series connection comprises switch condition, forms a Test segment;
3) in order to realize, function that test frame comprises is carried out to integrity test, all Test segment collection under same test frame need cover test cases applicable between this test frame initial modes and end mode at least one times;
4) in Test segment serial connection process, same test cases should be avoided reusing as far as possible, if cannot avoid reusing, the test cases that mobile unit normal function is tested should be selected as far as possible;
5) test cases as much as possible is concatenated in a Test segment, makes the Test segment minimum number generating.
In native system, the structure of Test segment, by manually completing, is first set up basic test son sequence set by minimum subsequence number under framework, concentrates and adds affiliated case as much as possible afterwards to Test segment.Under the prerequisite of all test cases that comprise at ensuring coverage test frame, add as few as possible the test cases of Test segment and repetition, finally complete the building work of Test segment collection.
2. the establishment of cycle tests
Test frame and the Test segment by a upper trifle, introduced, the coupling of test cases has been become to the coupling of Test segment, and reduced the project that needs consideration in this matching process, grade and pattern have only been left, the content that need to consider when this has just reduced artificial coupling, is also convenient to system and screens subsequence according to the state of previous subsequence simultaneously.
The final generating mode of cycle tests is according to the working mode change of CTCS-3 level mobile unit and operation scene, and Test segment serial connection is formed to a cycle tests.Be no matter test at the scene or lab investigation in, the functional test to CTCS-3 level train control system, always powers on and starts to finish to closing mobile unit from mobile unit.In order to make cycle tests, describe conveniently and consider authentic testing scene, definition CTCS-3 level mobile unit not go up power mode NP (No Power Mode), defines simultaneously and does not go up power mode to the test frame of standby mode and each mode of operation to the test frame not powering on.
On original cycle tests basis, add vehicle-mounted powering on and power process, form new cycle tests, be one at the scene or executable test scene in laboratory.The above-mentioned content about cycle tests can be described by Fig. 5.
According to concrete steps, launch to introduce in detail in turn corresponding technical scheme as follows:
the first step: first user needs to select the circuit of required test: by unified user interface, according to the selected measurement circuit of test target.
second step: system is read in corresponding track data: the measurement circuit that system is selected according to user, reads in the corresponding track data of this circuit.
the 3rd step: user selects newly-built cycle tests and inputs the initial information of this cycle tests: comprise test starting and terminal point, test the information of train used and the initial state of ATP
the 4th step: select/generate cycle tests: the mode of " test cases → Test segment → cycle tests " is followed in the generation of sequence, by the introducing of test frame and Test segment, has simplified the number of states that user need to be mated.
the 5th step: automatically draw out wiring diagram and generate the time-scale that comprises testing procedure
On wiring diagram, show detailed circuit and station field information, and the route situation of user's selection.Time-scale has been listed detailed testing procedure, and various matching requirementss are added at the interface that user can provide by system thereon.
the 6th step: user manually adds matching requirements and adding method thereof
The interpolation of system matching requirements adopts artificial mode, and the related request by the authorized personnel of sequence according to subsequence in sequence and case, carries out the interpolation of matching requirements.
The interpolation of matching requirements mainly contains the content of the following aspects:
● transponder fault, the transponder that tester need to coordinate according to transponder numbering location, completes the setting of the matching requirementss such as transponder dismounting and installation, transponder displacement, the change of transponder message to it;
● track section takies, and tester is according to the run location of train, according to track section numbering or the search of input kilometer post, needs the track section coordinating, and it is taked orbit occupancy or the operation such as goes out clearly;
● temporary speed limitation TSR (Temporary Speed Restriction), tester can, according to test request, set parameters such as the type of TSR, initial kilometer post, termination kilometer post, speed limits;
● handle route and manual route release, tester can carry out train route to selected station and handles and cancel the operations such as the manual release of route;
● equipment failure setting, tester can, according to test needs, arrange RBC fault, the failure messages such as GSM-R network failure, RBC and interlocking communication failure, RBC and CTC communication failure, interlocking and TCC communication failure, RBC front end processor fault;
● driver operation coordinates, and may relate to the test of equipment failure situation, violates workflow test etc. during due to test, likely incomplete same with driver operation standard, thus need to list separately, for motor train unit reference driver.Specifically have and confirm operation (conversion is confirmed as pattern, grade conversion is confirmed, vigilant operation acknowledgement), ignore and confirm operation (as ignore pattern conversion prompting, ignore grade conversion prompting etc.), direction position lever operated (as regression etc.), activate and close bridge, train speed operation (paste line operation, to test required speed operation etc.), pattern and grade selection, data input and selection, DMI button operation etc.;
● tester's operation, in test, vehicle-mounted test personnel likely need mobile unit to carry out fault setting, as close MT (Mobile Terminal) radio station, close BTM, close DMI, manufacturing speed sensor fault, manufacture the cell failure etc. that tests the speed.
the 7th step: the generation of sequence and preservation, derivation
The generation of word document is divided into two main contents: embedded Visio circuit map generalization in the document of the sequence generation Word of foundation establishment itself and Word document.
The Data Source that Visio wiring diagram is drawn is complete station field data, need to draw out comparatively accurate circuit station field structure, according to the requirement of institute's organizational order, on this wiring diagram, need to draw out the test main points of test route and this cycle tests on this basis.
Word generates and adopts the mode of template to realize, system need to provide and generate the required template of cycle tests document, corresponding content is filled in position that need to be corresponding in template when document generates, and the wiring diagram of above-mentioned Visio generation is added in sequence document, just completed the generation of document.
Test script is used for providing cycle tests to simulation test platform, and simulation test platform carries out emulation according to the content of test script.This script adopts XML form to store, and its delivery method directly adopts the form of file, by cycle tests aided generation system, is generated XML file and is kept on server, and the test manager in simulation test platform is responsible for reading and moving test script.
Being to the effect that comprised of step one by one in Xml file, concrete content is included in each step, mainly comprises following content in Xml step:
● number of steps: in Xml file, each step is numbered, is used for determining the order of testing procedure.
● action object: which object is the content indicating in this step should specifically be carried out by, comprises simulation management device, interlocking, TCC etc.
● movement content: indicate and should carry out which kind of operation.
● movement content is auxiliary: the movement content to previous step is further detailed.
● moved place: where indicate this step should carry out.
● action place is auxiliary: the place that aid illustration action should occur
● action place mileage: the form of employing Kxxx+xxx is indicated the mileage information of action.
● actuation time: actuation time is auxiliary: jointly indicate the mistiming between this step and previous step
● operation condition: operation condition is auxiliary: the executive condition for this step further limits jointly.
Content in above-mentioned Xml file all adopts the form of coding to realize, and needs to encode according to the sequence of working out out, and the given form of last foundation generates Xml file.
the 8th step test cases spreadability statistics
The spreadability statistics of test cases is mainly used to add up for the case being comprised in the sequence to work out out, is divided into two kinds of measurement types: for the statistics of wall scroll sequence with for the statistics of sequence sets.
The spreadability statistics of case need to be for the test cases comprising in cycle tests, and the case that duplicate packages is contained is rejected, and can count the concrete case that covered and the total quantity of the case that covers.
Adopt concrete system to carry out modular implementation and management above-mentioned step, i.e. the aided generation system of cycle tests.
Cycle tests aided generation system Module Division:
Modular design is herein slightly different from the design in profiling, and module classification is focused on the classification of system in code organization more with design herein.
System is divided into system configuration module, data structure block, track data module, test cases module, Test segment module, cycle tests module, wiring diagram drafting module, Word and Visio generation module, Xml generation module, GUI module herein.
The submodule information that above-mentioned each step is corresponded to functional module and specifically comprises, list in table 1:
Graph of a relation between form 1 cycle tests auxiliary generating method functional module
According to the division of above-mentioned system module, the function of the modules of cycle tests aided generation system is described in detail as follows:
1, data structure block
Comprise the entity types such as field wire road, the defined station of system, test cases, Test segment, cycle tests and system and move the data structure of required all kinds of configuration files.These data structures are used for the required Various types of data of storage system run duration.Meanwhile, in order to facilitate the use of data, according to the different use of Various types of data, in conjunction with the feature of C# language, the disposal route of writing for different structures is included in wherein equally.
2, the field data module of standing:
Because system will be drawn wiring diagram demonstration and finally generate the cycle tests figure based on Visio, system needs the station field data of measurement circuit, this module is according to the station field data of ad hoc structure, read in, in the station field wire circuit-switched data structure that generation system defines, for the modules of system.
3, sequence administration module
Sequence administration module is mainly realized the management of the cycle tests having generated in system, comprises modification, deletion etc.Be exactly newly-built sequence in addition, the generative process of newly-built sequence as shown in Figure 2.This generative process has comprised the operational scheme of system, also just other module is embodied as one of them step.
4, wiring diagram shows:
System is according to the data on field wire road, station, the situation of writing in conjunction with cycle tests, on wiring diagram, simultaneous display goes out to be correlated with the facilities of train route, the facilities of the facilities of temporary speed limitation, orbit occupancy etc., demonstrate the work business such as phase-separating section, RBC switching point, electricity business data simultaneously, in order conveniently to check, also can demonstrate the test event possible in locality etc.
The current major function of wiring diagram is only to show each set test event of user, and the plan of project further work is to realize user on wiring diagram, to select each entity type, realizes operations.Expected result is that wiring diagram is the main operation interface of user, and user can realize the function that each test module is set on the figure of direct-on-line road.
5, XML script:
For the cycle tests that makes to generate can be for test platform, cycle tests can be converted into cross-platform available XML form of scripts, XML form adopts the form pre-defining, each test event in cycle tests, matching requirements etc. are converted into the various codings in XML, are used for realizing test platform according to the automatic executing function of XML.
6, Word and Visio figure generate:
In order to make the cycle tests that user writes can be easily for manually checking, system can generate cycle tests the Doc format file of the Word for manually checking, in order to look after different crowds' use habit, can generate the document of different-format.
For test event is shown more intuitively, the document for user's change system is easily generated, has adopted the form generation of the Vsd of Visio, and has been embedded in Word for the demonstration of the wiring diagram in Word simultaneously.
Because Doc and the Vsd form of Microsoft is binary OLE type, can not utilize program directly to generate, because third party's control is for Microsoft's form support bad, can not meet the requirement of system, so directly calling the mode of Office assembly, employing program generates.This mode can guarantee to generate the compatibility of document, but owing to calling Office assembly and need to start a process of corresponding Office assembly, therefore formation speed is slower.
7, user's display interface:
Interface has adopted the conventional interface of Windows program, adopt Multiple Document Interface, the corresponding cycle tests of each subwindow, child form is divided into two parts, upper part display station field pattern, the test sequence table of lower partial display cycle tests, owing to not yet realizing the operation of subscriber's line figure, therefore time-scale is the main positions for user's operation at present.Every setting in time-scale realizes by ejecting the different windows that arranges.Window is set and according to the difference that content is set, provides different interfaces.
8, the caching system of system design:
In order to improve the performance of system, system is read in the contents such as conventional test cases, Test segment in internal memory in advance, thereby need not from disk, obtain frequently, can accelerate to use the response speed at the interface of these data.
Cycle tests database design is as follows:
1, basic overview
The cycle tests that cycle tests database generates for depositing CTCS-3 level train control system cycle tests aided generation system.This database has been stored every essential information that cycle tests is complete.
2, primary demand
1) cycle tests database mainly comprise cycle tests essential information, cycle tests content, ground matching requirements, temporary speed limitation condition, comprise sub-sequence information, the information such as driving route.
2) cycle tests essential information is by information such as the title of the numbering that comprises cycle tests, cycle tests, cycle tests general introduction, cycle tests version, cycle tests author, establishment sequence date, sequence remarks.Wherein cycle tests numbering is the unique field of sign cycle tests.
3) temporary speed limitation will comprise cycle tests numbering, speed limit, initial kilometer post, stop kilometer post, be set opportunity, cancellation opportunity etc. information.Be used for representing the speed-limiting messages that certain cycle tests comprises.
4) comprise sub-sequence information and will in detail also describe out in order the sub-sequence information that each cycle tests comprises.
5) driving route information will comprise the essential information that station, circuit, direction, train pattern etc. are driven a vehicle all the time.
6) train initial information will comprise strand Taoist monastic name that stops, nearest essential informations such as transponder numbering.
7) content that wherein Test segment comprises will leave in test subsequence column database.
3, conceptual design
The target of conceptual design is exactly by the information requirement of application system being described and comprehensively, from the message structure of conceptive simulated database application system, being convenient to user and understanding.This database design, is from practical application needs, designs the overall process of database structure.
An its rough process is: first the data of application are carried out to demand analysis, comprehensive improvement goes out the concept of processed object.During design, adopt E-R (entity---contact) model, the entity object of definition database system and connecting each other.
It is relational model that logic design phase is according to circumstances selected database model.Relational model is a kind of model being based upon on mathematical concept basis, the set being comprised of several relationship frames.
When setting up data model, first consider to avoid repeating data, namely set up standardization database.Standardization database can be weighed by being called as the index of normal form level, and rank has first normal form, second normal form and third normal form, and third normal form is exactly the target that will reach conventionally, because it provides the best compromise between data redundancy and exploitation simplification.
These Database Systems comprise following several entity: user subject, functional character entity, test cases entity etc.The E-R model of system as shown in Figure 6.
4, logical design
Logical design to produce one have that data independence is high, redundance is low, the logic data structure of data consistency and the feature such as integrality is good, can meet and the minimum demand data that covers application: can be processed by data base management system (DBMS).
The design, options button and the index that in data base logic design, comprise table and field, and data integrity design.During table design, observe the table principle of design (that is: " One Fact in One Place ") of the database of 3NF (Third Normal Form) standard.Relation between table connects by external key.It has following characteristics: have one group of table to deposit specially the associated data coupling together by key.Options button and Index process abide by the principle:
1) associate field creates external key, and all keys all must be unique, avoids using compound keys, and external key is associated unique key field always.
2) major key that use system generates.
3), without user's key, do not allow major key there is updatability.
4) logic major key is used unique one-tenth group index, and system key (as storing process) is adopted to unique non-one-tenth group index, and any foreign key column is adopted to non-one-tenth group index.
5) index external key, they are also the keys often using, such as certain record of operation query display master meter and all contingency tables just be can use.
6) do not want index memo/note field, not the large-scale field of index, the not conventional mini table of index.And in data base integrity design, adopt following mechanism to realize:
1) entity integrity: major key
2) referential integrity: delete data in parent table: cascading delete; Limited deletion; Put null value.And data inserting in parent table: limited insertion; Recurrence is inserted: new data more in parent table: cascading update; Limited renewal; Put null value.
3) use and search control data integrity: the best mode of controlling data integrity is exactly the selection of limited subscriber.
5, physical Design
Physical Design will produce the physical arrangement of a database that can effectively be achieved, and the design that realize details relevant with system software, hardware and distribution situation thereof.
After having determined the structure of database, through a series of design, the final database model of system is as Fig. 7.
Test segment database design is as follows:
1, basic overview
Test segment is for being connected the intermediate data of test cases and cycle tests, for sequence generates, has simplified workload.
2, primary demand
1) test subsequence column database mainly comprises subsequence essential information, sub-series of packets containing case information, subsequence classified information.
2) numbering that subsequence essential information comprises subsequence, the information such as basic description of subsequence.
3) sub-series of packets has been described the essential information of all cases in every subsequence containing case information, and case numbering, order and substantially describe and content.
4) subsequence classified information subsequence is divided into according to pattern conversion all kinds of, the screening while being convenient to organizational order.
3, conceptual design
The E-R model of Test segment as shown in Figure 8.
4, physical Design
Test segment database relation model as shown in Figure 9.
File organization form is as follows:
System development adopts Microsoft Visual Studio, utilize the code of the mode management system of its solution, the early development stage can adopt the mode that system is divided into three engineerings, is divided into GUI engineering, system core engineering and a mode that starts engineering.In the development late stage stage, modules according to the above discussion, is configured to separately engineering by modules, and the modular design of system is realized
1, early stage organizational form
Starting engineering installation is the startup engineering of the solution of Visual Studio, is compiled as executable file, and it is dll form that all the other two engineerings are all compiled as dynamic link library.
Start engineering and be responsible for the modules of the core of initialization system, finally start the main interface of system, the initial work of completion system.
In the modules that system core engineering comprises above-mentioned discussion with the irrelevant module of user interface, during early development, be incorporated in same engineering, reduce the number of dll file after systems engineering and compiling.
In order to facilitate the later stage that whole nucleus module is split according to function, the source file that is designed to the module of difference in functionality distributes as in different files, distinguishes, simultaneously according to file, different modules adopts different namespace to distinguish, convenient fractionation later.
The GUI module of system is carried out the tissue of source file according to each different interface function, realize in principle the code organization of same class function together, with the level of file, distinguishes function and the form of the subfunction that comprises.
Because gui interface does not need to split in later development, or need fractionation seldom, therefore can adopt same namespace to carry out tissue source code.
2, later stage organizational form
Development late stage, when possessing a certain amount of size of code, should carry out the reconstruct of system, according to above-mentioned discussion, code is split thoroughly according to function, the code that makes to realize difference in functionality is distributed in different engineerings and goes, adopt more dll to carry out the fractionation of code, facilitate the transplanting work of system module simultaneously.
Owing to having focused on code in early development, according to different functions, organizing, is to distinguish according to files different in same engineering only in earlier stage, and the later stage is split in different engineerings, the work of fractionation or acceptable.
3, exploitation form
Because each different module of system is developed by different people, in order to facilitate the integration of system and the management of code release, system should adopt the instrument with Source code management scheme.Because exploitation has adopted Visual Studio, therefore the management of source code adopts Team Foundation Server to carry out, can facilitate like this version management of source code and the integration work of system.
Adopt a specific embodiment to carry out corresponding procedure declaration and description below:
1. select measurement circuit:
According to demand, by interface, select concrete measurement circuit, also just select corresponding track data simultaneously.
2. newly-built cycle tests:
1) select cycle tests → interpolation cycle tests, enter cycle tests initial information interface;
2) add sequence essential information (numbering, title, main contents, measurement circuit scope and test speed), concrete as Figure 11;
3) add train information (train length, train starting point, train terminal);
4) confirm, enter selected subsequences interface.
3. subsequence is selected:
1) left button is chosen the subsequence filtering out in the subsequence list of left side;
2) click and add button, add the subsequence of choosing to right side and selected subsequence list, see Figure 12;
3) after having selected, confirm, entry-line figure shows and matching requirements is added interface, sees Figure 13;
4. wiring diagram shows and matching requirements interpolation:
(a) wiring diagram can be pressed left button and pulls, roller convergent-divergent wiring diagram;
(b) resource block in left side, can check the subsequence of having edited, and the cycle tests of preserving before opening and revising, is shown in Figure 10;
(c), according to the requirement of cycle tests, in time-scale, can add following matching requirements information:
1) setting of route and cancellation (Platform attendant), be shown in Figure 14;
2) setting of temporary speed limitation and cancellation (control center), be shown in Figure 15;
3) setting of transponder fault (setting of transponder fault), is shown in Figure 16;
4) setting that track circuit takies and cancellation (track circuit takies), be shown in Figure 17;
5) rate request point arranges, and as stopped or rate request value (rate request) to certain place, sees Figure 18;
6) add tester's matching requirements, see Figure 19;
7) for driver operation adds testing location, see Figure 20.
5. generate document:
1) derive time-scale, be saved in this locality;
2) derive table for test, be saved in this locality; In concrete cycle tests, comprise cycle tests numbering, main content measurement, test period, wiring diagram, experiment precondition, train operation route, ground matching requirements, pattern conversion, operation steps, case numbering, the contents such as expected result
3) derive XML document, be saved in this locality and server.
6. case covers statistics
Generation document and case cover statistics only needs click page below the corresponding button to realize, and sees Figure 21.
By the discussion of technique scheme, the auxiliary generating method of cycle tests can be done to following brief summary:
1) mode of test cases → Test segment → cycle tests is followed in the generation of sequence, and this is a kind of ascending relation of inclusion
2) by the introducing of test frame and Test segment, simplified the number of states that user need to be mated.The subsequence that initial state is identical with done state belongs to same test frame.
3) in test frame, introduced initial, the end mode of cycle tests, (NP) pattern that do not power on, and defined associated test frame and Test segment.
4) generation of cycle tests has become artificial selection Test segment from artificial selection test cases, selection according to the coupling that is initial, the done state of subsequence,
5) the artificial interpolation of matching requirements needs comprising in sequence.
6), by realizing the electronic management of Test segment and cycle tests, realize the statistical function that it covers for test cases.
7) can generate corresponding test document and Xml file according to the sequence of working out out.
The above is only several specific embodiment of the present invention, and above embodiment is only for explaining and unrestricted claim scope of the present invention technical scheme of the present invention and inventive concept.
Claims (12)
1. a train control system cycle tests auxiliary generating method, it is mainly comprised of following content:
1) user selects the circuit of required test;
2) the measurement circuit system of selecting according to user is read in corresponding measurement circuit data, and wherein track data comprises station topological structure, station route data and interval circuit data;
3) user selects newly-built cycle tests and inputs the initial information of this cycle tests, and initial information comprises starting point and terminal, the information of test train used and the initial state of ATP of measurement circuit;
4) user selects Test segment according to the principle of mobile unit mode of operation coupling; System filters out next step Test segment to be selected according to user's selection;
5) system is drawn out wiring diagram and is generated a time-scale being comprised of testing procedure;
6) user adds various matching requirementss on time-scale, and various matching requirementss comprise station route, the setting of transponder fault, track circuit takies and cancellation, temporary speed limitation setting and cancellation; After above-mentioned matching requirements interpolation is errorless, completed the generation work of sequence.
2. an auxiliary generating method as claimed in claim 1, it is characterized in that, by the introducing of test frame and Test segment, simplified the number of states that user need to be mated, wherein: 1) each test frame has defined all possible transfer between two patterns, and the subsequence that initial state is identical with done state belongs to same test frame; 2) in test frame, can extract test frame initial with end mode outside more detailed internal state, select test cases to connect, form Test segment.
3. an auxiliary generating method as claimed in claim 1, it is characterized in that, by definition " CTCS-3 level mobile unit is not gone up power mode NP (No Power Mode) ", " not going up power mode to the test frame of standby mode ", " each mode of operation is to the test frame not powering on ", define beginning and the end mode of cycle tests, by artificial selection subsequence carry out organizational order, select according to the coupling that is initial, the done state of each subsequence thereafter.
4. an auxiliary generating method as claimed in claim 1, it is characterized in that, the interpolation of matching requirements is carried out according to the related request of subsequence in cycle tests and case, and matching requirements mainly comprises following content: the setting of the matching requirements on the selection of station route, the setting of transponder fault, car, the setting of temporary speed limitation and cancellation, RBC fault and recovery, track circuit failure take and the test speed of recovery, particular location requires etc.; User can add matching requirements one by one, also can from external file, import in batches matching requirements.
5. the auxiliary generating method as described in claim 1-4, is characterized in that step 6) generate afterwards the cycle tests document of word form, the test script of XML form, and add up the test cases that single cycle tests or whole cycle tests collection cover; Wherein, the cycle tests document package of word form is containing the wiring diagram of visio form.
6. an auxiliary generating method as claimed in claim 5, is characterized in that, by generating the Word file of embedded Visio wiring diagram, generates the cycle tests for on-the-spot test; By generating Xml test script file for laboratory simulations test platform.
7. an auxiliary generating method as claimed in claim 6, it is characterized in that 1) Xml test script step comprises following main contents: number of steps, action object, movement content, movement content assist, moved that place, action place are auxiliary, action place mileage, actuation time, actuation time are auxiliary, operation condition, operation condition are auxiliary; 2) to the effect that series of steps, consist of, particular content is included in each step.
8. an auxiliary generating method as claimed in claim 5, it is characterized in that, spreadability statistics by test cases is added up the case comprising in the cycle tests of having worked out out, is divided into two kinds of measurement types: for the statistics of single sequence with for the statistics of whole sequence sets; The spreadability statistics of case need to be for the test cases comprising in cycle tests, and the case that duplicate packages is contained is rejected, and can count the concrete case that covered and the total quantity of the case that covers.
9. a train control system cycle tests aided generation system, it is mainly comprised of following content: system configuration module, data structure block, track data module, test cases module, Test segment module, cycle tests module, wiring diagram drafting module, Word and Visio generation module, Xml generation module, GUI module, wherein: 1) by test cases module, Test segment module, cycle tests module, realize respectively test cases, Test segment and test frame, and the management of cycle tests.
10. an aided generation system as claimed in claim 9, it is characterized in that, by system configuration module and data structure block, the data structure that the system overall situation is used, the interface definition between module and the global information of system save, and are convenient to sharing of whole system.
11. 1 kinds of aided generation systems as claimed in claim 9, is characterized in that, the information relevant to track data in track data modular processing system, comprises obtaining, upgrading of line information, are responsible for line information to offer other module simultaneously; Wiring diagram drafting module carries out the drafting of wiring diagram by line information and the sequence worked out.
12. 1 kinds of aided generation systems as claimed in claim 9, it is characterized in that, by Word and Visio generation module, Xml generation module, GUI module, the cycle tests of generation is saved as to test document, test script, by Visio wiring diagram is embedded into, in Word document, generate complete test document; GUI module is for showing interface.
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