CN109831242A - The restoration methods and system of the spaceborne in-orbit latch of answering machine - Google Patents
The restoration methods and system of the spaceborne in-orbit latch of answering machine Download PDFInfo
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- CN109831242A CN109831242A CN201910064295.1A CN201910064295A CN109831242A CN 109831242 A CN109831242 A CN 109831242A CN 201910064295 A CN201910064295 A CN 201910064295A CN 109831242 A CN109831242 A CN 109831242A
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Abstract
The present invention provides the restoration methods and system of a kind of spaceborne in-orbit latch of answering machine, include the following steps: that earth station or repeater satellite send remote control up-on command or data injection to satellite；Determine on satellite two answering machines whether latch: if without response on satellite, two answering machines latch simultaneously, into binary channels fault mode；If there is response on satellite, two answering machines work normally or answering machine A, answering machine B a wherein latch, and single channel fault mode is entered in the case where an answering machine latch；Power-off restarting failure answering machine B；Earth station or repeater satellite utilize the answering machine channel of power-off restarting to send remote control up-on command or data injection to satellite again；If satellite normally receives instruction or data, show that the answering machine of power-off restarting is restored to work normally.The present invention can be when all latch occurs for two answering machines, and satellite is determined automatically, carries out autonomous power-off restarting for latch answering machine, restores telemetry communication function.
Description
Technical field
The present invention relates to satellite TT&C systems, more particularly to a kind of restoration methods of spaceborne in-orbit latch of answering machine
And system.
Background technique
Satellite in orbit when, generally communicated with ground observing and controlling system using two answering machines, two answering machines are mutual
Normal communication is carried out using an other answering machine that is, when an answering machine breaks down for backup.Now with digital skill
The development of art, the design of two answering machines largely use the digital component such as digit chip such as FPGA, DSP, PROM, these numbers
The use of component can greatly simplify the design, production and debugging of answering machine, can reduce the weight of answering machine, reach small-sized
Change, the purpose of lightness.However satellite in orbit when, these components are more sensitive to space single-particle, especially load
Answering machine in satellite platform, since single event function interrupt can be generated for the interference of single-particle using digit chip,
Some control circuits especially in answering machine, such as peripheral hardware control circuit, phase-locked loop circuit, electrification reset circuit, interface electricity
Road etc., when foregoing circuit is influenced operation irregularity by single-particle, processing chip will appear reset state or " crash ", can not also lead to
It crosses reloading or base band resets operation, under this state, the communication function of answering machine and ground observing and controlling system fails.Answering machine needs
To be operated by power-off restarting makes it restore function.
Single event latch-up all is occurred simultaneously by single-particle interference or certain unknown cause for two answering machines, i.e.,
Two in-orbit communication functions of answering machine fail simultaneously, at this point, ground observing and controlling system sends telecommand to satellite, satellite can not be just
It often receives and executes, satellite is in-orbit out of hand.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of recovery sides of spaceborne in-orbit latch of answering machine
Method and system, when satellite in orbit when, answering machine occur latch in the case where can pass through the method for power-off restarting realize function
It can normal purpose.
According to an aspect of the present invention, a kind of restoration methods of in-orbit latch of spaceborne answering machine are provided, including are walked as follows
It is rapid:
Step 1: earth station or repeater satellite send to satellite and are remotely controlled up-on command or data injection；
Step 2: determine on satellite two answering machines whether latch: if without response on satellite, two answering machines are fastened with a bolt or latch simultaneously
Lock, into binary channels fault mode；If there is response on satellite, two answering machines work normally or answering machine A, answering machine B
A wherein latch enters single channel fault mode in the case where an answering machine latch；
Step 3: power-off restarting answering machine A and/or answering machine B；
Step 4: earth station or repeater satellite utilize the answering machine channel of power-off restarting to send in remote control to satellite again
Row instruction or data injection；If satellite normally receives instruction or data, show that the answering machine of power-off restarting restores normal work
Make；If satellite cannot normally receive data, show that the answering machine of power-off restarting is not restored to work normally, further analysis is former
Cause.
Preferably, binary channels fault mode includes the following steps: in the step 2
Step 2.1.1: the end that the instruction or data that On board computer was sent with last time by answering machine channel are injected
Time T0Start to clock；
Step 2.1.2: answering machine does not send up-on command or data note to On board computer in first time period
Enter, computer automatic execution step 3, the instruction of transponder B shutdown, after being spaced second time period, On board computer is sent
The instruction of answering machine B booting；
Step 2.1.3: after the third period of interval, On board computer executes step 3 automatically again, and transponder A is closed
The instruction of machine, after being spaced for the 4th period, the instruction of On board computer transponder A booting.
Preferably, the first segment time is greater than the third section time, and the third section time is greater than the 4th time, at the 4th section
Between it is suitable with the second segment time.
Preferably, single channel fault mode includes the following steps: in the step 2
Step 2.2.1: by the working condition telemetering of interpretation On board computer, determine failure answering machine；
Step 2.2.2: the answering machine for determining failure is answering machine A or answering machine B；
Step 2.2.3: answering machine B or answering machine A is issued using answering machine A or answering machine the B remote control worked normally
The instruction of shutdown, after being spaced the 5th time, remote control issues the instruction of answering machine B or answering machine A booting.
Preferably, failure answering machine is determined according to the priority of answering machine output data.
Preferably, the 5th time is suitable with the 4th time of step 2.1.3 in step 2.
Preferably, it using answering machine downlink telemetry judges whether there is response on star, whether answering machine is working properly on star, adopts
It is counted with telecommand on star, data injection counts on star, answering machine AGC level or answering machine SNR telemetry parameter lead to signal
Road is determined.
According to another aspect of the present invention, a kind of recovery system of in-orbit latch of spaceborne answering machine is provided, it is described spaceborne
The recovery system of the in-orbit latch of answering machine uses the restoration methods of the in-orbit latch of spaceborne answering machine.
Preferably, including more than two answering machines, each answering machine correspond to a signal path.
Preferably, the carrier of the answering machine is the product with radio transmission-receiving function.
Compared with prior art, the invention has the following beneficial effects:
The present invention earth station or repeater satellite after the equal failure latch of answering machine can not send remote control uplink to satellite and refer to
It enables or when data are injected, can be realized satellite Autonomous and solves the problems, such as latch, it is in-orbit out of hand to avoid satellite, with huge
Use value.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is spaceborne answering machine connection signal block diagram.
Fig. 2 is observing and controlling channel single event latch-up troubleshooting process figure.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
When satellite in orbit when, the answering machine being loaded in satellite platform, due to use digit chip, for simple grain
The interference of son can generate single event function interrupt, i.e. two in-orbit communication functions of answering machine fail simultaneously, at this point, ground observing and controlling system
System sends telecommand to satellite, can not be received normally, satellite is out of hand.The present invention can occur in two answering machines
When latch, ground observing and controlling system can not uplink when, do not received before the deadline by On board computer up-on command or
The injection of person's data determines, and carries out autonomous power-off restarting for latch answering machine, restores telemetry communication function.
A kind of restoration methods of the spaceborne in-orbit latch of answering machine provided according to the present invention, include the following steps:
Step 1: earth station or repeater satellite send to satellite and are remotely controlled up-on command or data injection；
Step 2: determine on satellite two answering machines whether latch: if without response on satellite, two answering machines are fastened with a bolt or latch simultaneously
Lock, into binary channels fault mode；If there is response on satellite, two answering machines work normally or answering machine A, answering machine B
A wherein latch enters single channel fault mode in the case where an answering machine latch；
Step 3: power-off restarting answering machine A and/or answering machine B；
Step 4: earth station or repeater satellite utilize the answering machine channel of power-off restarting to send in remote control to satellite again
Row instruction or data injection；If satellite normally receives instruction or data, show that the answering machine of power-off restarting restores normal work
Make；If satellite cannot normally receive data, show that the answering machine of power-off restarting is not restored to work normally, further analysis is former
Cause.
Binary channels fault mode includes the following steps: in the step 2
Step 2.1.1: the end that the instruction or data that On board computer was sent with last time by answering machine channel are injected
Time T0Start to clock；
Step 2.1.2: answering machine does not send up-on command or data note to On board computer in first time period
Enter, computer automatic execution step 3, the instruction of transponder B shutdown, after being spaced second time period, On board computer is sent
The instruction of answering machine B booting；
Step 2.1.3: after the third period of interval, On board computer executes step 3 automatically again, and transponder A is closed
The instruction of machine, after being spaced for the 4th period, the instruction of On board computer transponder A booting.
The first segment time is greater than the third section time, and the third section time is greater than the 4th time, the 4th time and the
Two times are suitable.Preferably, the first segment time is 30 hours, and the second segment time is 10 seconds, the third section
Time is 2 hours, and the 4th time is 10 seconds.
Single channel fault mode includes the following steps: in the step 2
Step 2.2.1: by the working condition telemetering of interpretation On board computer, determine failure answering machine；
Step 2.2.2: the answering machine for determining failure is answering machine A or answering machine B；
Step 2.2.3: answering machine B or answering machine A is issued using answering machine A or answering machine the B remote control worked normally
The instruction of shutdown, after being spaced the 5th time, remote control issues the instruction of answering machine B or answering machine A booting.
Failure answering machine is determined according to the priority of answering machine output data.Step in 5th time and step 2
2.1.3 the 4th time is suitable.Preferably, the 5th time is 10 seconds.
Preferably, it using answering machine downlink telemetry judges whether there is response on star, whether answering machine is working properly on star, adopts
It is counted with telecommand on star, data injection counts on star, answering machine AGC level or answering machine SNR telemetry parameter lead to signal
Road is determined.
A kind of recovery system of the spaceborne in-orbit latch of answering machine provided according to the present invention, the spaceborne in-orbit door bolt of answering machine
The recovery system of lock uses the restoration methods of the in-orbit latch of spaceborne answering machine.Including more than two answering machines, Mei Geying
Answer the corresponding signal path of machine.The carrier of the answering machine is the product with radio transmission-receiving function.
As shown in Figure 1, spaceborne integration spread spectrum answering machine is mounted on satellite, it is connect by cable with antenna, antenna
Electric signal is converted by microwave signal, spaceborne integration spread spectrum answering machine is responsible for handling electric signal, including earth station, repeater satellite
The remote control up-on command or data Injection Signal sent to satellite.
By the above design measure, the in-orbit generation single event latch-up of subsystem, process flow is as shown in Fig. 2, processing step
It is as follows:
1, binary channels fault mode: earth station, repeater satellite send remote control up-on command or data injection letter to satellite
Number, without response on star, then necessarily latch all has occurred in two answering machines, at this time by the autonomous timing of On board computer 30 hours,
Up-on command is not received within 30 hours or data injection, On board computer independently answer transponder B power-off+response
The instruction of machine B power-up, after being spaced 2 hours, transponder A power-off+answering machine A power-up instruction again, binary channels failure
Mode treatment terminates.Earth station or repeater satellite utilize the answering machine channel of power-off restarting to send remote control uplink to satellite again
Instruction or data injection；If satellite normally receives instruction or data, show that the answering machine of power-off restarting is restored to work normally；
If satellite cannot normally receive data, shows that the answering machine of power-off restarting is not restored to work normally, further analyze reason.
2, single channel fault mode: remote control up-on command or the data injection that earth station, repeater satellite are sent to satellite
Signal responds on star, by the state telemetering of On board computer, according to the priority of answering machine output data, it can be seen that be
Channel A response or channel B response；It is not responding to channel A, for channel B response, utilizes normal response machine B transponder
A power-off+answering machine A power-up instruction, the telemetering that observation satellite passes down, if A channel restores normal, it was demonstrated that solve single channel door bolt
Lock problem；If A channel does not restore normally, further to analyze reason.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of restoration methods of the in-orbit latch of spaceborne answering machine, which comprises the steps of:
Step 1: earth station or repeater satellite send to satellite and are remotely controlled up-on command or data injection；
Step 2: determine on satellite two answering machines whether latch: if without response on satellite, two answering machines latch simultaneously, into
Enter binary channels fault mode；If there is response on satellite, two answering machines normal works or answering machine A, answering machine B are wherein
One latch enters single channel fault mode in the case where an answering machine latch；
Step 3: power-off restarting answering machine A and/or answering machine B；
Step 4: earth station or repeater satellite send remote control uplink to satellite using the answering machine channel of power-off restarting again and refer to
It enables or data is injected；If satellite normally receives instruction or data, show that the answering machine of power-off restarting is restored to work normally；If
Satellite cannot normally receive data, then show that the answering machine of power-off restarting is not restored to work normally, further analyze reason.
2. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 1, which is characterized in that in the step 2
Binary channels fault mode includes the following steps:
Step 2.1.1: the end time T that the instruction or data that On board computer was sent with last time by answering machine channel are injected0
Start to clock；
Step 2.1.2: answering machine does not send up-on command or data injection, meter to On board computer in first time period
Calculation machine executes step 3 automatically, the instruction of transponder B shutdown, after being spaced second time period, On board computer transponder
The instruction of B booting；
Step 2.1.3: after the third period of interval, On board computer executes step 3 automatically again, transponder A shutdown
Instruction, after being spaced for the 4th period, the instruction of On board computer transponder A booting.
3. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 2, which is characterized in that when the first segment
Between be greater than the third section time, the third section time is greater than the 4th time, and the 4th time is suitable with the second segment time.
4. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 1, which is characterized in that in the step 2
Single channel fault mode includes the following steps:
Step 2.2.1: by the working condition telemetering of interpretation On board computer, determine failure answering machine；
Step 2.2.2: the answering machine for determining failure is answering machine A or answering machine B；
Step 2.2.3: answering machine B or answering machine A is issued using answering machine A or answering machine the B remote control worked normally and is shut down
Instruction, be spaced the 5th time after, remote control issue answering machine B or answering machine A booting instruction.
5. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 4, which is characterized in that defeated according to answering machine
The priority for haveing data determines failure answering machine.
6. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 4, which is characterized in that at described 5th section
Between it is suitable with the 4th time of step 2.1.3 in step 2.
7. the restoration methods of the in-orbit latch of spaceborne answering machine according to claim 1, which is characterized in that using under answering machine
Row telemetering judges whether there is response on star, whether answering machine is working properly on star, is counted using telecommand on star, data on star
Injection counts, answering machine AGC level or answering machine SNR telemetry parameter determine signal path.
8. a kind of recovery system of the in-orbit latch of spaceborne answering machine, which is characterized in that the spaceborne in-orbit latch of answering machine it is extensive
Complex system uses the restoration methods of the described in any item spaceborne in-orbit latches of answering machine of claim 1 to 7.
9. the recovery system of the in-orbit latch of spaceborne answering machine according to claim 8, which is characterized in that including two or more
Answering machine, the corresponding signal path of each answering machine.
10. the recovery system of the in-orbit latch of spaceborne answering machine according to claim 8, which is characterized in that the answering machine
Carrier be the product with radio transmission-receiving function.
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| CN201910064295.1A CN109831242B (en) | 2019-01-23 | 2019-01-23 | Recovery method and system for on-orbit latch of satellite-borne transponder |
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| CN111628819A (en) * | 2020-05-28 | 2020-09-04 | 中国人民解放军32039部队 | Relay satellite system forward link detection method and device and electronic equipment |
| CN112367107A (en) * | 2020-09-11 | 2021-02-12 | 中国空间技术研究院 | Method and system for autonomously processing satellite measurement and control equipment fault on satellite |
| CN112688729A (en) * | 2020-12-18 | 2021-04-20 | 航天东方红卫星有限公司 | Satellite-borne full-digital USB transponder on-orbit autonomous recovery method |
| CN116488711A (en) * | 2023-06-15 | 2023-07-25 | 上海航天空间技术有限公司 | Method and system for establishing satellite-ground emergency communication |
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