CN101430561A - Event sequential recording test signal generator and test method thereof - Google Patents
Event sequential recording test signal generator and test method thereof Download PDFInfo
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- CN101430561A CN101430561A CNA2008102396648A CN200810239664A CN101430561A CN 101430561 A CN101430561 A CN 101430561A CN A2008102396648 A CNA2008102396648 A CN A2008102396648A CN 200810239664 A CN200810239664 A CN 200810239664A CN 101430561 A CN101430561 A CN 101430561A
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Abstract
The invention provides a test method for SOE. An SOE test signal generator triggers each channel of a signal output submodule to generate and outputs test trigger signals to an SOE logging module of a system under test; the record of trigger events generated by the system under test is checked according to the record of the test trigger signalS; wherein, before testing, a user configures testing parameters on the SOE test signal generator; wherein, testing parameters comprises channel trigger sequence adopted by the test; after the test is started, the SOE test signal generator generates trigger signals of each channel according to the configured channel trigger sequence. In addition, the invention also provides the SOE test signal generator; when test objects are a plurality of SOE logging modules, the test can be carried out according to trigger sequences of different events under the condition that wiring sequence of the SOE logging module and the SOE test signal generator is not changed.
Description
Technical field
The present invention relates to a kind of SOE (Sequence of Event, sequence of events recording) measuring signal generator and method of testing thereof.
Background technology
At present, a lot of automatic control systems comprise SOE (Sequence of Event, sequence of events recording) logging modle is used for the intervening sequences of recording exceptional Time To Event, first incident and chain generation incident, and described record is the most important foundation of the system failure, unusual and crash analysis.Along with popularizing of DCS (Distributed Control System, discrete control system), the SOE function is used more and more, and people are increasing to its dependence.As the SOE module failure or write down incorrectly, analysis and processing with directly having influence on fault or culprit have influence on sharing decisions and responsibility.As an important function like this, in the system overhaul process, be necessary very much the accuracy of SOE logging modle record is carried out verification.
Whether normally the SOE measuring signal generator is a kind of SOE logging modle function proving installation that is used to verify.Its ultimate principle is: with the trigger pip of SOE measuring signal generator alternate device, the SOE signal that analog machine sends, accurately trigger each event channel by the specific trigger sequence and the time interval, difference between the simulation trigger sequence by SOE measuring signal generator relatively and the real time record of SOE logging modle verifies whether SOE logging modle function is accurate.
Existing SOE measuring signal generator only provides positive sequence trigger sequence longitudinally, promptly according to the arrangement of trigger pip output module, sequentially, after all passages in each module of sequential control are exported trigger pip in regular turn, more next module is carried out trigger action since the 1st module.In the actual test, when tested object is a plurality of SOE logging modle, the order that often needs to change Event triggered is tested, but be based on specific trigger sequence in the existing SOE measuring signal generator, the user must be by changing the line order of each SOE logging modle and SOE measuring signal generator, even also need to tear open broken line, just can reach the effect that changes the Event triggered order, but this is pretty troublesome in operation.When described a plurality of SOE logging modles each other during apart from each other, when then it was connected with the SOE measuring signal generator, required stube cable must long enough, and this has also caused the inconvenience that connects.
In addition, existing SOE measuring signal generator only provides manual mode to start test, and promptly the user need manually push corresponding button, and the SOE measuring signal generator just can begin to export trigger pip, and can't learn the correct time that begins to test.Therefore, for system under test (SUT), use the correctness of the absolute time that existing SOE measuring signal generator can not take place the trigger event of system under test (SUT) record to verify.
Therefore being necessary to propose improved technological means solves the problems referred to above.
Summary of the invention
The present invention proposes a kind of SOE measuring signal generator and method of testing thereof, be used for solving prior art when tested object is a plurality of SOE logging modle, to stube cable require more, changing Event triggered as needs tests in proper order, also must change the line order of each SOE logging modle and SOE measuring signal generator, even also need to tear open broken line, can bring the problem of test inconvenience.
In order to solve the problems of the technologies described above, the invention provides the method for testing of a kind of sequence of events recording SOE, each passage of SOE measuring signal generator trigger pip output sub-module produces test with trigger pip and output to the SOE logging modle of system under test (SUT), with the record of trigger pip the trigger records that tested system produces is carried out verification according to this test, wherein:
Before test, the user is the configuration testing parameter on described SOE measuring signal generator, comprising the passage trigger sequence that this test is adopted, after the startup test, described SOE measuring signal generator produces the trigger pip of each passage according to this passage trigger sequence of configuration.
Further, above-mentioned method of testing also can have following characteristics:
Described passage trigger sequence comprises vertical positive sequence, vertically backward, horizontal positive sequence at least, and horizontal one or more in the backward, wherein:
Described vertical positive sequence is meant that each passage that belongs to same trigger pip output sub-module produces trigger pip successively according to channel number order from small to large; After finishing the triggering of all passages that belong to same module, trigger each passage of next module more successively;
Described horizontal positive sequence is meant that the same passage that belongs to different trigger pip output sub-modules produces trigger pip successively according to module numbering order from small to large; After finishing the triggering of same passage of all modules, trigger next passage of each module more successively;
Described vertical backward is meant that each passage produces trigger pip successively according to the order opposite with described vertical positive sequence;
Described horizontal backward is meant that each passage produces trigger pip successively according to the order opposite with described horizontal positive sequence.
Further, above-mentioned method of testing also can have following characteristics:
Described method of testing has adopted a plurality of SOE measuring signal generators with gps clock signal receiver, work clock when these SOE measuring signal generators with the gps clock are test, the trigger pip output sub-module of different SOE measuring signal generators links to each other with different SOE logging modles;
Before the test,, realize the triggering according to the order of sequence of all SOE logging modles that each SOE measuring signal generator is connected by the setting that comprises the test parameter of testing start time, passage trigger interval and pulse width at least to each SOE measuring signal generator;
Described a plurality of SOE measuring signal generator is arranged in identical or different place.
Further, above-mentioned method of testing also can have following characteristics:
Before the test, the test parameter that comprises passage trigger interval and pulse width at least by each SOE measuring signal generator is set to identical value, the test start time of described each SOE measuring signal generator is set to satisfy, the mistiming that any two described SOE measuring signal generators output to first channel trigger signal on the SOE logging modle is all less than time of a passage trigger interval, thereby realizes triggering by horizontal positive sequence of all SOE logging modles that each SOE measuring signal generator is connected.
Further, above-mentioned method of testing also can have following characteristics:
Before the test, the test start time of one described SOE measuring signal generator is set arbitrarily, afterwards according to the test start time that is provided with in the last one described SOE measuring signal generator, passage trigger interval and pulse width, calculate the time that a described SOE measuring signal generator on this outputs to last channel trigger signal on the SOE logging modle, then should the time and next described SOE measuring signal generator in the passage trigger interval sum that is provided be set to test start time in next described SOE measuring signal generator, thereby realize triggering of all SOE logging modles that each SOE measuring signal generator is connected by vertical positive sequence.
Further, above-mentioned method of testing also can have following characteristics:
The user also controls described SOE measuring signal generator configuration testing parameter, starts test by a host computer, and produces test report and be uploaded to described host computer according to the test parameter of current configuration.
In order to solve the problems of the technologies described above, the present invention also provides a kind of sequence of events recording SOE measuring signal generator, comprise control treatment module, the human-machine interface module that links to each other with described control treatment module respectively, trigger pip output module and memory module, wherein:
Described human-machine interface module, the parameter that is used for display parameter config option and the current configuration of described memory module, receive and identify user's operation, upgrade the parameter of current configuration in the described memory module according to user selected parameter, and produce the control command that begins to test and send described control treatment module after the user carries out the operation that begins to test identifying;
Described memory module is used to preserve and carries out the required parameter of test, and the parameter of upgrading its preservation under the control of described human-machine interface module;
After described control treatment module receives the control command that begins to test, from described memory module, obtain and carry out the required parameter of test, generate the trigger pip of each passage in the described trigger pip output module according to those parameters.
Further, above-mentioned SOE measuring signal generator also can have following characteristics:
Described parameter configuration option comprises the trigger sequence config option, and described trigger sequence comprises vertical positive sequence, vertically backward, horizontal positive sequence at least, and horizontal one or more in the backward, wherein:
Described vertical positive sequence is meant that each passage that belongs to same trigger pip output sub-module produces trigger pip successively according to channel number order from small to large; After finishing the triggering of all passages that belong to same module, trigger each passage of next module more successively;
Described horizontal positive sequence is meant that the same passage that belongs to different trigger pip output sub-modules produces trigger pip successively according to module numbering order from small to large; After finishing the triggering of same passage of all modules, trigger next passage of each module more successively;
Described vertical backward is meant that each passage produces trigger pip successively according to the order opposite with described vertical positive sequence;
Described horizontal backward is meant that each passage produces trigger pip successively according to the order opposite with described horizontal positive sequence.
Further, above-mentioned SOE measuring signal generator also can have following characteristics:
Also comprise a gps clock signal receiver and a timer, wherein:
Described parameter configuration option also comprises test start time config option;
Described gps clock signal receiver is used for providing other devices of gps clock signal to link to each other with one, obtains the gps clock signal from this other device, controls described timer and described gps clock is synchronous;
Described human-machine interface module identify the user be provided with the test start time after, also the described test start time is sent to described control treatment module;
Described control treatment module starts described timer the described test start time is carried out timing after receiving the described test start time, to constantly, generates the trigger pip of each passage in the described trigger pip output module at described timer.
Further, above-mentioned SOE measuring signal generator also can have following characteristics:
Also comprise the host computer interface module, wherein:
Described host computer interface module is used for linking to each other with host computer, obtain the parameter of user by described host computer configuration, and according to carrying out the required parameter of test in the described memory module of the described parameter update that obtains, and after receiving the control command that begins to test that the user sends by host computer, send to described control treatment module.
A kind of SOE measuring signal generator of the present invention and method of testing thereof are compared with existing SOE measuring signal generator, have following advantage:
The trigger sequence of plurality of optional is provided, can have controlled each passage output trigger pip, need not change the line order of each SOE logging modle and SOE measuring signal generator, be convenient to system repeatedly contrast test and examination according to the trigger sequence that the user is provided with;
Provide and regularly triggered function, introduced the gps clock signal, guaranteed the absolute time precision of incident generation, can check the timing synchronization performance of system under test (SUT) easily; When tested object is a plurality of SOE logging modle, it can be divided into many parts, link to each other with a plurality of SOE measuring signal generators respectively with same test parameter, and test start time of those SOE measuring signal generators is provided with cooperates the measurement of realization this tested object, less demanding to stube cable, number to the SOE logging modle in this tested object is unrestricted, even can realize the transverse test to this tested object under the situation that does not change connected mode.
Provide and repeatedly triggered function, can trigger, satisfied the repetition performance of user test system and the demand of avalanche effect and snowslide performance by appointed interval, predetermined number of times;
The PC control function is provided, and the user can set every trigger parameter easily on host computer, and control SOE measuring signal generator is carried out test and output test report;
Cascade function is provided, can have expanded the number of the output channel of SOE measuring signal generator;
The passage trigger interval that can be provided with is provided, can have tested the SOE resolution of system under test (SUT) effectively;
The pulse width that can be provided with is provided, can have tested the filtering performance of system under test (SUT) effectively.
Description of drawings
Fig. 1 is that embodiment of the invention SOE measuring signal generator is formed structural drawing.
The method flow diagram of Fig. 2 SOE measuring signal generator execution test shown in Figure 1 for embodiment of the invention user adopts.
Embodiment
The present invention proposes a kind of SOE measuring signal generator and method of testing thereof, when being used for solving the prior art tested object and being a plurality of SOE logging modle, stube cable is had relatively high expectations, need to change connection mode between SOE logging modle and the SOE measuring signal generator, even tear brokenly that cable changes the trigger sequence of incident open and the unhandy problem brought.
The present invention is described in detail below in conjunction with accompanying drawing.
At first with reference to figure 1, the figure shows a kind of SOE measuring signal generator of the embodiment of the invention and form structural drawing, comprise control treatment module 101, the human-machine interface module 102 that links to each other with described control treatment module 101 respectively, memory module 103, trigger pip output module 104, gps clock signal receiver 105, timer 106, host computer interface module 107, test report generation module 108 and cascade expansion module 109, memory module 103 also respectively with human-machine interface module 102, host computer interface module 107 links to each other with test report generation module 108, gps clock signal receiver 105 also links to each other with timer 106, wherein:
Human-machine interface module 102, the parameter that is used for display parameter config option and memory module 103 current configurations, receive and identify user's operation, parameter according to current configuration in the user selected parameter updated stored module 103, after identifying the user and carrying out the operation begin to test, the control command that generation begins to test also sends control treatment module 101, and identify the user be provided with the test start time after, the described test start time is sent to control treatment module 101.Described display parameter config option comprises trigger sequence config option, test start time config option, repeated test number of times config option, repeated test arranged spaced option, passage trigger interval config option, and in the pulse width config option one or more.
Memory module 103 is used to preserve and carries out the required parameter of test, and the parameter of upgrading its preservation under the control of human-machine interface module 102 or host computer interface module 107.
Gps clock signal receiver 105 is used for providing other devices of gps clock signal to link to each other with one, obtains the gps clock signal from this other device, controls described timer and described gps clock is synchronous.
Host computer interface module 107, be used for linking to each other with host computer, receive the parameter of user by described host computer configuration, and according to carrying out the required parameter of test in the described memory module 103 of described parameter update, after receiving the control command that begins to test that the user sends by host computer, send to control treatment module 101, after the control command of receiving the generation test report that the user sends by host computer, send to control treatment module 101, and after receiving the test report that control treatment module 101 is sent, send to described host computer.
Test report generation module 108 is used for obtaining when the required parameter of Pretesting from memory module 103 under the control of control treatment module 101, and generates corresponding test report, then this test report is sent to control treatment module 101.
Control treatment module 101 is used for after receiving the test start time that human-machine interface module 102 sends, and starts 106 pairs of described test start times of timer to carry out timing; After receiving the control command that begins to test or timer 106 then after, from memory module 103, obtain and carry out the required parameter of test, generate the trigger pip of each passage in trigger pip output modules 104 according to those parameters; After the control command that receives the generation test report that host computer interface module 107 sends, control test report generation module 108 generates test report, and described test report is sent to host computer interface module 107.
Described cascade expansion module 109 is used for linking to each other with the cascade expansion module 109 of another described SOE measuring signal generator.Described cascade expansion module 109 is after receiving the control command that begins to test that sends with the upper level of its cascade connection expansion module, notice control treatment module 101, and after the notice of receiving the end of test (EOT) that trigger pip output module 104 sends, send the control command that begins to test to next cascade expansion module with its cascade.
Trigger pip output module 104, the trigger pip of each passage that produces according to control treatment module 101 sends those trigger pips to system under test (SUT).Trigger pip output module 104 also notifies the test of cascade module 116 epicycles to finish after all passage output trigger pips of control.Trigger pip output module 104 comprises 8 trigger pip output sub-modules in the present embodiment, wherein comprise 32 passages in each trigger pip output sub-module, for convenience of description, these 8 trigger pip output sub-modules can be numbered A to H in regular turn, each passage in each trigger pip output sub-module is numbered 1 to 32 in regular turn, and adopt the module numbering and the mode of channel number combination to represent a passage, represent to be numbered such as: A01 in the trigger pip output sub-module of A and be numbered 01 passage.For convenience of description, below in the content when describing a passage, for example all adopt the numbering of A01 to describe a passage.Certainly, in another embodiment, the trigger pip output module number of SOE measuring signal generator and the passage number in each module also can be designed as other numerical value.
Control treatment module 101 is judged the trigger sequence that obtains from memory module 103, as this trigger sequence is vertical positive sequence, then according to A01, A02......A32, and B01, B02......B32, ..., the order of H01, H02......H32 generates the trigger pip of each passage successively; As this trigger sequence is horizontal positive sequence, then according to A01, B01......H01, and A02, B02......H02 ..., the order of A32, B32......H32 generates the trigger pip of each passage successively; As this trigger sequence is vertical backward, then according to H32, H31......H01, and G32, G31......G01 ..., the order of A32, A31......A01 generates the trigger pip of each passage successively; As this trigger sequence is horizontal backward, then controls its each passage according to H32, G32......A32, H31, G31......A31 ..., the order of H01, G01......A01 generates the trigger pip of each passage successively.
Compared with prior art, SOE measuring signal generator of the present invention can be controlled the order that each passage triggers according to user's request, thereby in the time of can effectively solving present tested object and be a plurality of SOE logging modle, change the passage trigger sequence as need, then must change the connection of cable, even orcible entry cable and bring unhandy problem, make things convenient for system wiring greatly, and to system repeatedly contrast test and examination.
Here it is to be noted, after control treatment module 101 is obtained from memory module 103 and is carried out the required parameter of test, according to the parameter current setting, as parameters such as trigger sequence, repeated test number of times, repeated test interval, passage trigger interval, pulse widths, can calculate automatically according to the operation rule of step preface and sequential in the existing SOE measuring signal generator, determine the state of each passage of each submodule, generate communication data, and data are sent in the trigger pip output module 104 by bus, the method that specifically generates communication data repeats no more here.Those parameters parameter configuration option that can be the user provide by human-machine interface module 102 is provided with, and those parameters can not be the parameters of measuring signal generator acquiescence yet when the user carries out the parameter setting or the config option of correlation parameter is not provided.
The user utilizes the test start time configuration feature of above-mentioned SOE measuring signal generator, by the time that SOE measuring signal generator is relatively carried out the Event triggered that writes down on the gps time of Event triggered and the tested DCS system host computer, can come the clock of verification DCS system whether accurate.Though the DCS system also may adopt gps clock, in system, carry out gps clock when synchronous precision not necessarily can meet the demands, therefore the gps clock net synchronization capability of tested DCS system is carried out verification by above-mentioned relatively can the realization.
The user can also utilize the test start time configuration feature of above-mentioned SOE measuring signal generator, make a plurality of described SOE measuring signal generator cooperatings, promptly by parameters such as the initial moment of the test that described a plurality of SOE measuring signal generators are set and triggered time intervals, coming tested object is that a plurality of SOE logging modles realize as testing identical effect on a SOE measuring signal generator, and can reach following function:
(1) in measurand during a plurality of SOE logging modle apart from each other, can utilize a plurality of described SOE measuring signal generators to link to each other with a part in described a plurality of SOE logging modles respectively, such as, 2 SOE logging modles (SOE logging modle 1 and SOE logging modle 2) for distance system under test (SUT) far away, can with pulse width (can also comprise repeated test number of times and repeated test interval) identical SOE measuring signal generator (SOE measuring signal generator 1 and SOE measuring signal generator 2) be set with the passage trigger interval respectively is connected, the test start time that SOE measuring signal generator 1 is set is T1, passage trigger interval t1 and pulse width S1 according to SOE measuring signal generator 1, calculate the time that the SOE measuring signal generator outputs to last channel trigger signal on the SOE logging modle 1, added the test start time of the time of t1 this time as SOE measuring signal generator 2, it is far away to realize adjusting the distance, line inconvenience still also needs to test as 2 SOE logging modles of a tested object, thereby need not carry out requirement to the length of stube cable.Certainly when the channel trigger signal that 1 SOE measuring signal generator is not enough to provide abundant, also can adopt said method.
(2) when measurand is a plurality of SOE logging modle, a plurality of SOE measuring signal generators can also be linked to each other with the part of a plurality of SOE logging modles respectively, be set to identical with pulse width (can also comprise repeated test number of times and repeated test interval) the passage trigger interval of those SOE measuring signal generators, but test is staggered at the start time and maximum difference less than the time of a passage trigger interval, realize the horizontal triggering of each passage.Also with above-mentioned need be example as 2 SOE logging modles of a tested object, the test start time of SOE measuring signal generator 2 can be designed in that (T1, T1+t1), perhaps (T1-t1 T1) in the scope, thereby realizes horizontal trigger sequence.
(3) number of a plurality of SOE logging modles is too much in measurand, in the time of can't being connected to a described SOE measuring signal generator, can also link to each other the expansion that test start time by those described SOE measuring signal generators are set and passage trigger interval are realized the passage number with a plurality of described SOE measuring signal generators with described a plurality of SOE logging modles.
The repeated test number of times of described SOE measuring signal generator and repeated test are configurable at interval, can be according to user configured concrete numerical value, repeat the triggerings of many each passages of wheel, thus the repetition performance and the avalanche effect of test macro easily.
The passage trigger interval of described SOE measuring signal generator is configurable, described pulse width is meant the duration of pulse, the user can change the concrete numerical value of described pulse width, thereby can further test the resolution characteristic of system under test (SUT) for the SOE incident.
The pulse width of described SOE measuring signal generator is configurable, and the user can change the concrete numerical value of described passage trigger interval, thereby can further test the filtering performance of system under test (SUT).
The user can be provided with the required parameter of test easily by a host computer, control described SOE measuring signal generator and carry out test, also this test report is saved in the host computer but also can control described SOE measuring signal generator generation test report according to this test parameter.If also comprise clock chip in the described SOE measuring signal generator, can also comprise the test duration in the then described test report, the time that this test duration provides with this clock chip is benchmark.This clock chip still can keep the clock operation under power-off condition, be used for the absolute time that recording events takes place, it can be undertaken synchronously by host computer, also can carry out synchronously according to this gps clock signal after gps clock signal receiver 105 receives a gps clock signal.
Described SOE measuring signal generator also comprises subtending port, and the user is connected in turn a plurality of described SOE measuring signal generators by described subtending port.After in described a plurality of SOE measuring signal generator first starts test, any one described SOE measuring signal generator is after finishing test, output cascade trigger pip then starts next the SOE measuring signal generator with its cascade automatically, has expanded the number of trigger port effectively.
Below with reference to Fig. 2, the figure shows the method that the user adopts the SOE performance of SOE measuring signal generator test system under test (SUT) shown in Figure 1, specifically comprise following steps:
Step S201: provide the device of gps clock signal to couple together with tested DCS system, host computer and respectively the SOE measuring signal generator;
The trigger pip output module of SOE measuring signal generator can be linked to each other by the SOE logging modle of a SOE signal output cable with tested DCS system; Can be with the host computer interface (com interface) of SOE measuring signal generator by general DB9 serial port connecting line or be that the USB interface another side is that the serial port connecting wire of male links to each other with host computer on one side; Can provide the device of gps clock signal to link to each other by a gps signal lead-in cable and the gps signal interface of SOE measuring signal generator.
Wherein, if a plurality of SOE logging modles that link to each other with the SOE measuring signal generator when belonging to same operator station, are commonly referred to as cross-module test; If when belonging to the different operating person of same DCS system and standing, be commonly referred to as and stride the station test; If belong to different DCS systems, be commonly referred to as interdepartmental unified test examination.
Step S202: confirm between each device that connection mode is correct and it is no problem to connect;
Step S203: the user starts the Control Software of SOE measuring signal generator correspondence on host computer, and configuration is used for the correlation parameter of this test in the parameter configuration menu that ejects;
The configurable parameter of those users can comprise one or more in trigger sequence, test start time, repeated test number of times and repeated test interval, passage trigger interval, the output pulse width.
Certainly, in another embodiment, the user can also dispose those parameters by the button on this SOE measuring signal generator.
After step S204:SOE measuring signal generator receives those parameter configuration, upgrade the parameter configuration of its preservation, the user configured test start time is carried out timing, after arriving with the described test start time, the SOE measuring signal generator is exported trigger pip successively according to each passage in the parameter configuration control trigger pip output module of its current preservation;
If the user also is provided with repeated trigger, then execute one take turns test after, after promptly all passages are all exported trigger pip in regular turn, after the repeated test that is provided with according to the user is waited for a period of time at interval, continue to carry out the next round test, up to the repeated test number of times of complete user's setting.
Certainly in another embodiment, the user can also directly control the SOE measuring signal generator by the Control Software that host computer provides and carry out test immediately.
Step S205: the user clicks the output test report option that PC control software provides;
Step S206:SOE measuring signal generator generates corresponding test report according to the parameter configuration of carrying out this test, returns to host computer.
As comprising clock chip in this SOE measuring signal generator, then this clock chip automatically with the gps clock signal Synchronization of introducing, when generating described test report, also the time that provides according to this clock chip increases the absolute time of Event triggered in described report.
Step S207: the user is according to this test report, analyzes the trigger records that tested DCS system produces and carries out verification, judges whether SOE logging modle function is normal.
Cross-module when carrying out, when striding station or interdepartmental unified test examination, the user is after finishing once test, can reset trigger parameter, the change trigger sequence, thereby be implemented under the situation that does not change connected mode, the trigger sequence of change incident is tested, and makes things convenient for system wiring greatly, and to system repeatedly contrast test and examination.
In addition,, carry out absolute time and trigger, therefore, can also be used to verifying the time synchronized performance of tested DCS system because this SOE measuring signal generator introduced the gps clock signal.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, the method for testing of a kind of sequence of events recording SOE, each passage of SOE measuring signal generator trigger pip output sub-module produces test with trigger pip and output to the SOE logging modle of system under test (SUT), with the record of trigger pip the trigger records that tested system produces is carried out verification according to this test, it is characterized in that:
Before test, the user is the configuration testing parameter on described SOE measuring signal generator, comprising the passage trigger sequence that this test is adopted, after the startup test, described SOE measuring signal generator produces the trigger pip of each passage according to this passage trigger sequence of configuration.
2, method of testing as claimed in claim 1 is characterized in that:
Described passage trigger sequence comprises vertical positive sequence, vertically backward, horizontal positive sequence at least, and horizontal one or more in the backward, wherein:
Described vertical positive sequence is meant that each passage that belongs to same trigger pip output sub-module produces trigger pip successively according to channel number order from small to large; After finishing the triggering of all passages that belong to same module, trigger each passage of next module more successively;
Described horizontal positive sequence is meant that the same passage that belongs to different trigger pip output sub-modules produces trigger pip successively according to module numbering order from small to large; After finishing the triggering of same passage of all modules, trigger next passage of each module more successively;
Described vertical backward is meant that each passage produces trigger pip successively according to the order opposite with described vertical positive sequence;
Described horizontal backward is meant that each passage produces trigger pip successively according to the order opposite with described horizontal positive sequence.
3, method of testing as claimed in claim 1 is characterized in that:
Described method of testing has adopted a plurality of SOE measuring signal generators with gps clock signal receiver, work clock when these SOE measuring signal generators with the gps clock are test, the trigger pip output sub-module of different SOE measuring signal generators links to each other with different SOE logging modles;
Before the test,, realize the triggering according to the order of sequence of all SOE logging modles that each SOE measuring signal generator is connected by the setting that comprises the test parameter of testing start time, passage trigger interval and pulse width at least to each SOE measuring signal generator;
Described a plurality of SOE measuring signal generator is arranged in identical or different place.
4, method of testing as claimed in claim 3 is characterized in that:
Before the test, the test parameter that comprises passage trigger interval and pulse width at least by each SOE measuring signal generator is set to identical value, the test start time of described each SOE measuring signal generator is set to satisfy, the mistiming that any two described SOE measuring signal generators output to first channel trigger signal on the SOE logging modle is all less than time of a passage trigger interval, thereby realizes triggering by horizontal positive sequence of all SOE logging modles that each SOE measuring signal generator is connected.
5, method of testing as claimed in claim 3 is characterized in that:
Before the test, the test start time of one described SOE measuring signal generator is set arbitrarily, afterwards according to the test start time that is provided with in the last one described SOE measuring signal generator, passage trigger interval and pulse width, calculate the time that a described SOE measuring signal generator on this outputs to last channel trigger signal on the SOE logging modle, then should the time and next described SOE measuring signal generator in the passage trigger interval sum that is provided be set to test start time in next described SOE measuring signal generator, thereby realize triggering of all SOE logging modles that each SOE measuring signal generator is connected by vertical positive sequence.
6, method of testing as claimed in claim 1 is characterized in that:
The user also controls described SOE measuring signal generator configuration testing parameter, starts test by a host computer, and produces test report and be uploaded to described host computer according to the test parameter of current configuration.
7, a kind of sequence of events recording SOE measuring signal generator is characterized in that, comprises control treatment module, the human-machine interface module that links to each other with described control treatment module respectively, trigger pip output module and memory module, wherein:
Described human-machine interface module, the parameter that is used for display parameter config option and the current configuration of described memory module, receive and identify user's operation, upgrade the parameter of current configuration in the described memory module according to user selected parameter, and produce the control command that begins to test and send described control treatment module after the user carries out the operation that begins to test identifying;
Described memory module is used to preserve and carries out the required parameter of test, and the parameter of upgrading its preservation under the control of described human-machine interface module;
After described control treatment module receives the control command that begins to test, from described memory module, obtain and carry out the required parameter of test, generate the trigger pip of each passage in the described trigger pip output module according to those parameters.
8, SOE measuring signal generator as claimed in claim 7, it is characterized in that described parameter configuration option comprises the trigger sequence config option, described trigger sequence comprises vertical positive sequence, vertical backward, horizontal positive sequence at least, and horizontal one or more in the backward, wherein:
Described vertical positive sequence is meant that each passage that belongs to same trigger pip output sub-module produces trigger pip successively according to channel number order from small to large; After finishing the triggering of all passages that belong to same module, trigger each passage of next module more successively;
Described horizontal positive sequence is meant that the same passage that belongs to different trigger pip output sub-modules produces trigger pip successively according to module numbering order from small to large; After finishing the triggering of same passage of all modules, trigger next passage of each module more successively;
Described vertical backward is meant that each passage produces trigger pip successively according to the order opposite with described vertical positive sequence;
Described horizontal backward is meant that each passage produces trigger pip successively according to the order opposite with described horizontal positive sequence.
9, SOE measuring signal generator as claimed in claim 8 is characterized in that, also comprises a gps clock signal receiver and a timer, wherein:
Described parameter configuration option also comprises test start time config option;
Described gps clock signal receiver is used for providing other devices of gps clock signal to link to each other with one, obtains the gps clock signal from this other device, controls described timer and described gps clock is synchronous;
Described human-machine interface module identify the user be provided with the test start time after, also the described test start time is sent to described control treatment module;
Described control treatment module starts described timer the described test start time is carried out timing after receiving the described test start time, to constantly, generates the trigger pip of each passage in the described trigger pip output module at described timer.
10, SOE measuring signal generator as claimed in claim 9 is characterized in that, also comprises the host computer interface module, wherein:
Described host computer interface module is used for linking to each other with host computer, obtain the parameter of user by described host computer configuration, and according to carrying out the required parameter of test in the described memory module of the described parameter update that obtains, and after receiving the control command that begins to test that the user sends by host computer, send to described control treatment module.
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