CN103236889B - Testing method of remote control priority in spacecraft - Google Patents
Testing method of remote control priority in spacecraft Download PDFInfo
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- CN103236889B CN103236889B CN201310127462.5A CN201310127462A CN103236889B CN 103236889 B CN103236889 B CN 103236889B CN 201310127462 A CN201310127462 A CN 201310127462A CN 103236889 B CN103236889 B CN 103236889B
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Abstract
The invention discloses a testing method of remote control priority in spacecraft. The method includes changing responder lock state and remote control data state to compare actual output results of a spacecraft remote control processing unit to theoretical values, and determining whether the design of remote control prior is correct or not. The ground test on spacecraft remote control priority is realized. The method is simple, easy, efficient to apply, and highly universal, is capable of determining remote control priority in short time, is well universal and extensible, and is applicable to testing of various spacecraft.
Description
Technical field
The present invention relates to space exploration technical field, relate in particular to a kind of method of testing of spacecraft remote control priority.
Background technology
In spacecraft ground test process, the phenomenon of corresponding 1 the remote processing unit of ubiquity up-on command passage multichannel answering machine, possesses the relation that priority is selected between remote processing unit and answering machine.Develop rapidly along with the continuous progress of technology and survey of deep space field, in order to guarantee that between ground and spacecraft, up channel is unimpeded, the quantity of spaceborne answering machine is in continuous increase, and the remote processing unit that receives answering machine information generally still adopts two-node cluster hot backup pattern, the remote processing unit that is spacecraft generally comprises first machine and second machine, two machines receive up lock-out state and the up-on command data of all answering machine passages simultaneously, according to the priority orders of design setting in advance, receive data, two machines are different for the prioritization of answering machine passage.For first machine, first select the up lock-out state of the answering machine passage that priority is the highest, during the locking of Dang Gai road, select the up-on command data content on this road; During Dang Gai road non-locking, automatically switch to next road answering machine passage that priority is only second to this road, deterministic process is the same; Second machine is as the same.
First this priority relationship needs to carry out ground validation in whole star test process, and therefore a kind of method of testing of spacecraft remote control priority is provided herein.
Summary of the invention
The invention provides a kind of method of testing of spacecraft remote control priority, solved the ground test problem of spacecraft remote control priority, be applicable to the priority test of the corresponding a small amount of receiving element of multichannel answering machine passage.
The object of the invention is to be achieved through the following technical solutions: comprise n answering machine, observing and controlling ground installation, remote control first machine and remote control second machine, n answering machine is all corresponding with remote control first machine, remote control second machine, and n is more than or equal to 2; It is characterized in that, the mode by combination of two from n answering machine passage travels through test, and testing time is
;
Suppose that two answering machines in each combination all represent with X1, X2, the priority-level that is set to answering machine rank X1 of remote control first machine is higher than answering machine X2, and the priority-level that is set to answering machine rank X2 of remote control second machine is higher than answering machine X1; According to step below, test:
Step 1: ground arranges observing and controlling ground installation, loads up-link carrier by ground installation, all locks X1, two answering machine passages of X2;
Step 2: observing and controlling ground installation is telecommand data corresponding to up modulation answering machine X1 only, do not modulate the telecommand data that answering machine X2 is corresponding; The telecommand data modulating is sent to answering machine X1, X2 by data feedback channel;
Step 3: answering machine X1, X2 all send to the telecommand data receiving remote control first machine, remote control second machine;
Step 4: remote control first machine, remote control second machine are exported corresponding data and telemetry parameter to observing and controlling ground installation according to the telecommand data receiving;
Step 5: observing and controlling ground installation is by observing data and the telemetry parameter of step 4 output, and correct result has data output for showing first machine, and second machine is countless according to output;
Step 6: connect step 1, observing and controlling ground installation is telecommand data corresponding to up modulation X2 only, do not modulate the telecommand data that answering machine X1 is corresponding; The telecommand data modulating is sent to answering machine X1, X2 by data feedback channel; Repeating step three and step 4;
Step 7: observing and controlling ground installation is by observing data and the telemetry parameter of step 4 output, and correct result is countless according to output for showing first machine, and second machine has data output;
Step 8: whether answering machine passage all relatively completes between two, if relatively complete, finishes; If no, select other passage, repeating step one is to step 7.
The equipment that this method of testing realizes forms and comprises each answering machine, remote control first machine, remote control second machine and ground checkout equipment; Wherein ground checkout equipment comprises master control, remote control front end and observing and controlling ground installation, and three is connected successively; Master control is controlled remote control front end and is sent telecommand data, observing and controlling ground installation is controlled modulation remote control subcarrier and carrier wave, send to the answering machine data feedback channel of appointment, answering machine receives ground signal, realize locking, and send to remote control first machine and remote control second machine to receive respectively lock-out state and the up telecommand data receiving, remote control first machine and remote control second machine are exported corresponding data and telemetry parameter, and master control is by the data by the output of observation step 4 and the data output state of telemetry parameter interpretation remote control first machine and remote control second machine.
Beneficial effect of the present invention:
The present invention is by changing answering machine lock-out state and remote-control data state, actual Output rusults and the theoretical value of remote processing unit on spacecraft are compared, thereby whether the design that determines remote control priority is correct, solved the ground test problem of spacecraft remote control priority.And the method is simple and easy to do, its application is efficient, and highly versatile can complete remote control priority within a short period of time and judge to have good versatility and autgmentability, is applicable to all kinds of spacecraft-testings.
Accompanying drawing explanation
Fig. 1 is first machine receiving course theory diagram;
Fig. 2 is the equipment composition frame chart that the present invention realizes;
Embodiment
In order to understand better technical scheme of the present invention, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
The invention provides a kind of method of testing of spacecraft remote control priority, solved the ground test problem of spacecraft remote control priority, make a concrete analysis of below:
Remote control priority has designed in the first machine and second machine of spacecraft remote processing unit according to preassigned order, the priority orders of first machine and second machine is contrary, machine A and B is selected data output according to priority separately respectively, first, the second machine of spacecraft remote processing unit has been chosen and has been exported after correct director data, is changed and is characterized respectively by corresponding telemetry parameter.As shown in Figure 1, remote control second machine operation principle is identical with remote control first machine for the operation principle of wherein remote control first machine.Whether the logical relation that need to check the actual output after priority is selected to multichannel answering machine passage of remote processing unit during whole star test conforms to design.
Method of testing provided herein can be that wireless radiofrequency passage also can carry out under the wired passage of radio frequency at spacecraft and ground testing system, and the equipment composition frame chart that this method of testing realizes is shown in Fig. 2.
Wherein ground checkout equipment comprises master control, remote control front end and observing and controlling ground installation.Master control is controlled remote control front end and is sent telecommand data, observing and controlling ground installation can be controlled modulation remote control subcarrier and carrier wave, by wire radio cable or wireless uplink passage, send to the spacecraft answering machine data feedback channel of appointment, answering machine receives ground signal, realize locking or do not lock, and lock-out state and the up-on command data message receiving are sent to remote processing unit, first machine and the second machine of remote processing unit receive respectively, and export corresponding data and telemetry parameter, the data output state that master control can interpretation first, second machine by telemetering channel.
Test philosophy of the present invention is:
If there be n answering machine receive path on spacecraft, the corresponding remote control first machine of difference and remote control second machine.1,2 the reception priority of wherein remote control first machine from high to low order sequence is: ..., n-1, n; The order sequence from high to low of the reception priority of remote control second machine is: n, n-1 ..., 2,1.
Xn: represent n answering machine input condition, n=1,2,
Xn comprises two variablees, is respectively Xn
lockand Xn
data,
Xn
lock: represent the lock-out state of n answering machine, be locked as 1, non-locking is 0;
Xn
data: represent the up remote-control data of n answering machine, it is 1 that ground sends up remote-control data, and not sending up remote-control data is 0;
Y: remote control first, the second machine that expression ground receives has the remote measurement situation of data output, 00 represents that first, second machine is all countless according to output; 01 represents that first machine no-output, second machine have output; 10 represent that first machine has output, second machine no-output; 11 represent that first machine has output, second machine to have output;
Test process travels through test by the mode of combination of two in n answering machine passage, and testing time is
.According to the operation principle of remote control reception unit, two answering machine passages when each test is set (be made as m and i, wherein for first machine m priority higher than i, for second machine i priority higher than m) state, can obtain following result:
The priority ratio of two answering machine passages of table 3
Wherein remote control first machine output data cases:
Table 4 remote control first machine output data
Remote control second machine output data cases:
Table 5 remote control second machine output data
Machine A and B data output situation conforms to design point.
By analyzing, can obtain, if will distinguish the priority of Xm and Xm+1, only need to carry out the project that first, second facility in upper table have different Output rusults.That is:
When (locking of m answering machine receive path and have up remote-control data) m+1 answering machine receive path locking of and(but without up remote-control data) time, desired value is that first machine has data to export, second machine is countless according to output;
When m+1 answering machine receive path of (m answering machine receive path locking but without up remote-control data) and(locks and have a up remote-control data) time, desired value is that first machine is countless according to output, second machine has data to export;
Wherein relatively the priority of first machine m higher than m+1, otherwise second machine.
When test, only the state of ground installation need to be set, adjust the lock-out state of two answering machines, and by remote control front end, whether send the state of up remote-control data, at master control interpretation first machine and second machine, whether have the telemetry parameter of data output can check priority.
The step of this method of testing is:
Step 1: ground arranges observing and controlling ground installation, loads up-link carrier, and X1, two answering machine passages of X2 are all locked, wherein to remote control first machine X1 priority higher than X2, to remote control second machine X2 priority higher than X1;
Step 2: master control is set on ground or remote control front end sends telecommand data, and observing and controlling ground installation is telecommand data corresponding to up modulation X1 only;
Step 3: remote measurement is observed from master control in ground, correct result has data output for showing first machine, and second machine is countless according to output;
Step 4: master control is set on ground or remote control front end sends telecommand data, and observing and controlling ground installation is telecommand data corresponding to up modulation X2 only;
Step 5: observe remote measurement, correct result is countless according to output for showing first machine, and second machine has data output;
Step 6: ground arranges survey ground installation, cancels up-link carrier, and X1, two answering machine passages of X2 are not locked;
Step 7: whether answering machine passage all relatively completes between two, if do not have, selects other passage, and repeating step two is to step 6; If relatively complete, finish.
The test event of certain satellite of now take describes as example:
The answering machine data feedback channel that certain satellite has a different frequency range is totally 5 tunnels, is respectively A, B, C, D, E, and design objective is: the priority of remote control first machine is A, B, C, D, E from high to low, and the priority of remote control second machine is E, D, C, B, A from high to low.
Testing authentication process is as shown in table 1:
| Process of the test | A | B | C | D | E |
| 1 | √ | √ | ? | ? | ? |
| 2 | √ | ? | √ | ? | ? |
| 3 | √ | ? | ? | √ | ? |
| 4 | √ | ? | ? | ? | √ |
| Process of the test | A | B | C | D | E |
| 5 | ? | √ | √ | ? | ? |
| 6 | ? | √ | ? | √ | ? |
| 7 | ? | √ | ? | ? | √ |
| 8 | ? | ? | √ | √ | ? |
| 9 | ? | ? | √ | ? | √ |
| 10 | ? | ? | ? | √ | √ |
In each process of the test, two answering machine passages choosing are tested, and by test process as shown in table 2, obtain following result:
First machine priority is from high to low: A, B, C, D, E, meet design requirement.
Second machine priority is from high to low: E, D, C, B, A, meet design requirement.
Table 2: test result
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. a method of testing for spacecraft remote control priority, comprises n answering machine, observing and controlling ground installation, remote control first machine and remote control second machine, and n answering machine is all corresponding with remote control first machine, remote control second machine, and n is more than or equal to 2; It is characterized in that, the mode by combination of two from n answering machine passage travels through test, and testing time is
Suppose that two answering machines in each combination all represent with X1, X2, the priority-level that is set to answering machine rank X1 of remote control first machine is higher than answering machine X2, and the priority-level that is set to answering machine rank X2 of remote control second machine is higher than answering machine X1; According to step below, test:
Step 1: ground arranges observing and controlling ground installation, loads up-link carrier by ground installation, all locks X1, two answering machine passages of X2;
Step 2: observing and controlling ground installation is telecommand data corresponding to up modulation answering machine X1 only, do not modulate the telecommand data that answering machine X2 is corresponding; The telecommand data modulating is sent to answering machine X1, X2 by data feedback channel;
Step 3: answering machine X1, X2 all send to the telecommand data receiving remote control first machine, remote control second machine;
Step 4: remote control first machine, remote control second machine are exported corresponding data and telemetry parameter to observing and controlling ground installation according to the telecommand data receiving;
Step 5: observing and controlling ground installation is by observing data and the telemetry parameter of step 4 output, and correct result has data output for showing first machine, and second machine is countless according to output;
Step 6: execution step one, observing and controlling ground installation is telecommand data corresponding to up modulation X2 only, do not modulate the telecommand data that answering machine X1 is corresponding; The telecommand data modulating is sent to answering machine X1, X2 by data feedback channel; Repeating step three and step 4;
Step 7: observing and controlling ground installation is by observing data and the telemetry parameter of step 4 output, and correct result is countless according to output for showing first machine, and second machine has data output;
Step 8: whether answering machine passage all relatively completes between two, if relatively complete, finishes; If no, select other passage, repeating step one is to step 7.
2. the method for testing of a kind of spacecraft remote control priority as claimed in claim 1, is characterized in that, the equipment that this method of testing realizes forms and comprises each answering machine, remote control first machine, remote control second machine and ground checkout equipment; Wherein ground checkout equipment comprises master control, remote control front end and observing and controlling ground installation, and three is connected successively; Master control is controlled remote control front end and is sent telecommand data, observing and controlling ground installation is controlled modulation remote control subcarrier and carrier wave, send to the answering machine data feedback channel of appointment, answering machine receives ground signal, realize locking, and send to remote control first machine and remote control second machine to receive respectively lock-out state and the up telecommand data receiving, remote control first machine and remote control second machine are exported corresponding data and telemetry parameter, and master control is by observing the data of step 4 output and the data output state of telemetry parameter interpretation remote control first machine and remote control second machine.
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| CN104698882B (en) * | 2014-09-12 | 2017-08-29 | 上海卫星工程研究所 | A kind of two grades of systems of selection of satellite uplink remote-control data priority |
| CN105630582B (en) * | 2014-11-15 | 2019-07-19 | 航天恒星科技有限公司 | Ground satellite station receives resource contention processing method and system |
| CN105721958A (en) * | 2016-02-02 | 2016-06-29 | 上海卫星工程研究所 | Remote control system for uplink multi-channel signals of low earth orbit satellite |
| CN107561974B (en) * | 2017-07-28 | 2020-04-21 | 上海卫星工程研究所 | High-orbit satellite remote control priority implementation method |
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| CN201523380U (en) * | 2009-09-17 | 2010-07-07 | 航天东方红卫星有限公司 | Relay observation and control responder satellite observation and control allocation system with controllable priority levels |
| CN202713318U (en) * | 2011-12-01 | 2013-01-30 | 中国空间技术研究院 | Telemetry and telecontrol single-inspection test device |
| CN102609799A (en) * | 2011-12-08 | 2012-07-25 | 北京空间飞行器总体设计部 | Automatic programming method based on spacecraft test information platform |
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