CN107612612A - Satellite TT＆C system - Google Patents
Satellite TT＆C system Download PDFInfo
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- CN107612612A CN107612612A CN201710867454.2A CN201710867454A CN107612612A CN 107612612 A CN107612612 A CN 107612612A CN 201710867454 A CN201710867454 A CN 201710867454A CN 107612612 A CN107612612 A CN 107612612A
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Abstract
The invention discloses a kind of satellite TT＆C system, it includes：The communication mode of time-sharing multiplex, made for regulation telemetry-acquisition, telecommand is transmitted in same star on fieldbus by the way of time-sharing multiplex；The real-time passback system of remote measurement data signal, after providing that telemetry-acquisition order is broadcasted in star, after corresponding collecting device is cached the analog quantity collected progress AD conversion or quantity of state, data signal is returned to end of issuing an order in real time, carries out an information interaction approach for making the real-time collection and return adopted；The integrated form of polymorphic type variable length command information is supported, meets telemetry-acquisition and remote control.The present invention is applied to need the spaceborne observing and controlling information system of self-defined serial communication controller, with only providing that the conventional bus of physical layer coordinates, realizes remote measurement in star, the integrated high-efficiency transmission of remote information, improves the real-time that telemetry uses.
Description
Technical field
The present invention relates to a kind of communication system, more particularly to a kind of satellite TT＆C system.
Background technology
In conventional satellite, the remote measurement of platform clectronic, distant control function are completed by specific installation, remote control have remote control decoding and
Starting installation, remote measurement have channel selecting and collecting device, and the channel selecting equipment of remote measurement and collecting device are also in most cases
Independent, the satellite designed according to this thinking, platform clectronic part is bound to, and equipment is more, and communication between devices circuit also increases therewith
More, information format also disunity, with technological progress, remote measurement, distant control function are also progressively unified, merged, especially according to satellite
After bay section configuration measuring and controlling equipment, it is possible to achieve " integration distribution " management of observing and controlling, this is simultaneously just to remote measurement, the star of remote information
Interior transmission proposes higher requirement, can either reach the purpose for optimizing whole star information flow, and greatly mitigates cable system weight, separately
On the one hand, bussing technique also progressively gos deep into satellite application, and what application was wider at present is CAN bus, information
Transfer bus STD bus, this kind of bus definition first layer physical layer and second layer data link layer of network configuration system,
But need to use central processing unit specialized protocol chip in use to control, this kind of device relies on import mostly, and takes
More printing plate suqare, be not as simple as the electrical characteristic Interface Controller of synchronous balance voltage digital interface circuit, conveniently, but balance
The electrical characteristic interface of voltage digital interface circuit define only physical layer, it is necessary to which clearly a set of high efficient and reliable in use is led to
Believe agreement.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of satellite TT＆C system, and it is applied to need self-defined string
The spaceborne observing and controlling information system of row communication controler, with only providing that the conventional bus of physical layer coordinates, realize remote measurement in star, remote control
The integrated high-efficiency transmission of information, solves remote measurement, communication resource controller that remote information individual transmission is brought is more, signal biography
The problem of defeated quantity is more, and realize that telemetry-acquisition data return in real time, improve the real-time that telemetry uses.
The present invention is that solve above-mentioned technical problem by following technical proposals：A kind of satellite TT＆C system, its
It is characterised by, it includes：
The communication mode of time-sharing multiplex, for provide telemetry-acquisition make, telecommand fieldbus in same star
It is transmitted by the way of time-sharing multiplex；
The real-time passback system of remote measurement data signal, after providing that telemetry-acquisition order is broadcasted in star, corresponding collection is set
After the analog quantity collected progress AD conversion or quantity of state are cached, data signal is returned to end of issuing an order in real time, it is real
Row one makes the information interaction approach of the real-time collection and return adopted；
The integrated form of polymorphic type variable length command information is supported, meets telemetry-acquisition and remote control.
Preferably, the communication mode of the time-sharing multiplex includes four signals, be respectively clock, observing and controlling frame, order and
Telemetry, clock, observing and controlling frame, order three signals by order send equipment output, observing and controlling frame using 200 clocks as the cycle,
Observing and controlling frame transmits telemetry-acquisition order between high period, on order wire, is transmitted for the cycle；Observing and controlling frame is between low period, order
Guidance command is transmitted on line, is burst mode transmission.
Preferably, the particular content of the real-time passback system of the remote measurement data signal is as follows：Telemetry-acquisition is made according to upper
Stating the communication mode cycle is sent to order receiving device, the 18th after each telemetry-acquisition order terminates of order receiving device
Rising edge clock gets out telemetry before arriving, and then starts to send in the 18th rising edge clock.
Preferably, it is described to support the integrated form of polymorphic type variable length command information to include command information form and include list
Member number, module No., status word, channel number or four data fields of digital information.
The positive effect of the present invention is：The present invention can realize that telemetry-acquisition instruction, telecommand are defended identical
Time-sharing multiplex transmission on star fieldbus, especially supports the real-time passback system of the data signal of telemetry, meets multiclass
The integrated form of the command information of type requirement, the integrated high-efficiency of remote measurement, remote information suitable for satellite platform electronics pass
It is defeated.
Brief description of the drawings
Fig. 1 is that time-sharing multiplex of the present invention and remote measurement data signal return timing diagram in real time.
Fig. 2 is communications protocol layers structure chart of the present invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in Figure 1 to Figure 2, satellite TT＆C system of the present invention includes：
The communication mode of time-sharing multiplex, for provide telemetry-acquisition make, telecommand fieldbus in same star
It is transmitted by the way of time-sharing multiplex；
The real-time passback system of remote measurement data signal, after providing that telemetry-acquisition order is broadcasted in star, corresponding collection is set
After the analog quantity collected progress AD (modulus) conversion or quantity of state are cached, data signal is returned in real time and issued an order
End, carry out an information interaction approach for making the real-time collection and return adopted；
The integrated form of polymorphic type variable length command information is supported, meets telemetry-acquisition and remote control.For remote control
Control, it can be not only used for the instruction of on/off-type pulse, it can also be used to drive class band parameter instruction, and parameter length also can basis
Need necessarily to be extended.
The communication mode of time-sharing multiplex includes four signals, is clock, observing and controlling frame, order and telemetry respectively, when
Three clock, observing and controlling frame, order signals send equipment output by order, and for observing and controlling frame using 200 clocks as the cycle, observing and controlling frame is height
Telemetry-acquisition order is transmitted during level, on order wire, is transmitted for the cycle；Observing and controlling frame transmits distant between low period, on order wire
Control order, is burst mode transmission, defines high level signal and represents code bit " 1 ", low level signal represents code bit " 0 "；Clock be less than etc.
In 400 bit rates；Pattern is non-return-to-zero level coding；Rising edge clock puts number, trailing edge access.
The particular content of the real-time passback system of remote measurement data signal is as follows：Telemetry-acquisition order is according to above-mentioned communication mode week
Phase is sent to order receiving device, and ten eight rising edge clock of the order receiving device after each telemetry-acquisition order terminates arrives
Telemetry is got out before coming, then starts to send in the 18th rising edge clock.
The integrated form of polymorphic type variable length command information is supported to include command information form and include unit number, module
Number, status word, channel number or four data fields of digital information, such as table 1,
Table 1
| Unit number | Module No. | Status word | Channel number or digital information |
Wherein " unit number " is used to identify receiving device so that this agreement supports broadcasting command；" module No. " is used to identify
The module of receiving device；" status word " send telemetry-acquisition make when be used for identify level collection, state acquisition, pulse collection,
Array gathers different acquisition state, when sending guidance command for identifying different telecommand types, specifically has：Pulse
Instruction, proportional command, parallel instruction, matrix instruction, array instruction；" channel number or digital information " is when transmission telemetry-acquisition makes
For gating telemetry-acquisition passage, it is used to identify instruction sendaisle when sending pulse type telecommand, when remote control is ordered
Make for proportional command, parallel instruction, matrix instruction, array instruction type when, the data field then be used for transmit control information content,
Next stage remote control reception equipment is transferred to be identified, particular content carries out personalized customization, so as to be provided for this communication protocol
Function Extension interface.
The communication mode of described time-sharing multiplex be used to providing telemetry-acquisition make, telecommand scene in same star it is total
It is transmitted on line by the way of time-sharing multiplex.
The real-time passback system of described remote measurement data signal is used for after providing that telemetry-acquisition order is broadcasted in star, corresponding to adopt
After collection equipment is cached the analog quantity collected progress electronic product development system conversion or quantity of state, by data signal
End of issuing an order is returned in real time, carries out the information interaction approach of the real-time collection and return of " one makes one to adopt ".
The integrated form of described support polymorphic type variable length command information meets telemetry-acquisition and remote control, for
Remote control, both instructed for switching mode pulse, and be also used for driving class band parameter instruction, and parameter length is also according to needs
Necessarily extended.
The operation principle of the present invention is as follows：Time-sharing multiplex of the present invention and remote measurement data signal return timing diagram in real time, send
Equipment tranmitting data register, observing and controlling frame, order, observing and controlling frame send telemetry-acquisition order, transmitted for the cycle between high period；Observing and controlling frame
Between low period, guidance command is sent, is burst mode transmission, order receiving device is immediately performed after receiving guidance command, connect
Telemetry is got out before the 18th rising edge clock after collection order terminates arrives after receiving telemetry-acquisition order, then
Start telemetry being sent to order transmission equipment with series form in the 18th rising edge clock, the present invention supports multiclass
The integrated form of type variable length command information, after receiving device receives command information, " unit number " is identified first, only carries out category
In the command information of the machine, otherwise abandon and do not have to, the bit of notebook data length of field three, eight receiving devices are could support up, to belonging to
The command information of the machine, the command information behind " unit number " is sent to each resume module of rear class, each module of receiving device
Identify " module No. ", only carry out the command information for belonging to this module, otherwise abandon and do not have to, the bit of notebook data length of field four, at most
16 modules are supported, meet modularized design requirement, row decoding is entered to the command information for belonging to this module, identifies " state
Word ", the bit of notebook data length of field three, eight kinds of grab types are could support up when sending telemetry-acquisition and making, satellite can be covered and adopted
Collect all types of remote measurement, including level collection, state acquisition, pulse collection, array collection, You Keyi areas are gathered for level
Conventional level collection and high precision collecting are separated, eight kinds of remote control types are could support up when sending telemetry-acquisition and making, can be with
Cover all types of satellite remote control control, including the instruction with parameter such as pulse instruction, proportional command, " channel number or number
Word information " is specific command information, and acquisition channel is represented when sending telemetry-acquisition and making, can be with table when sending guidance command
Show Instruction decoding output channel, also illustrate that control information content, the bit of Pass No. length six, could support up 64 and lead to
Road, according to module size and remote measuring and controlling chip size size, the quantity can meet the greatest requirements of remote measuring and controlling,
The bit of " digital information " length 72, content carry out personalized customization, there is provided flexible and changeable application scenarios.
In summary, the present invention is applied to need the spaceborne observing and controlling information system of self-defined serial communication controller, with only advising
The conventional bus for determining physical layer coordinates, and realizes remote measurement in star, the integrated high-efficiency transmission of remote information, solves remote measurement, remote control
The problem of communication resource controller that information individual transmission is brought is more, amount of signal transmission is more, and realize telemetry-acquisition data reality
Shi Huichuan, improve the real-time that telemetry uses.The present invention is used for satellite telemetry, the bus communication protocol of telecommand,
The time-sharing multiplex transmission of telemetry-acquisition instruction, telecommand on same satellite fieldbus can be realized, especially supports remote measurement
The real-time passback system of the data signal of data, the integrated form for meeting the command information that polymorphic type requires, suitable for satellite
The remote measurement of platform clectronic, the integrated high-efficiency transmission of remote information.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect of the solution to the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in this
Within the protection domain of invention.
Claims (4)
1. a kind of satellite TT＆C system, it is characterised in that it includes：
The communication mode of time-sharing multiplex, for providing that telemetry-acquisition makes, telecommand uses in same star on fieldbus
The mode of time-sharing multiplex is transmitted；
The real-time passback system of remote measurement data signal, after providing that telemetry-acquisition order is broadcasted in star, corresponding collecting device will
After the analog quantity progress AD conversion collected or quantity of state are cached, data signal is returned to end of issuing an order in real time, carries out one
Make the information interaction approach of the real-time collection and return adopted；
The integrated form of polymorphic type variable length command information is supported, meets telemetry-acquisition and remote control.
2. satellite TT＆C system as claimed in claim 1, it is characterised in that the communication mode of the time-sharing multiplex includes
Four signals, are clock, observing and controlling frame, order and telemetry respectively, and three clock, observing and controlling frame, order signals are sent out by order
Equipment is sent to export, for observing and controlling frame using 200 clocks as the cycle, observing and controlling frame transmits telemetry-acquisition between high period on order wire
Order, transmitted for the cycle；Observing and controlling frame transmits guidance command between low period on order wire, be burst mode transmission.
3. satellite TT＆C system as claimed in claim 1, it is characterised in that the real-time passback of the remote measurement data signal
The particular content of system is as follows：Telemetry-acquisition order is sent to order receiving device according to the above-mentioned communication mode cycle, and order receives
Equipment gets out telemetry before the 18th rising edge clock after each telemetry-acquisition order terminates arrives, then the
18 rising edge clocks start to send.
4. satellite TT＆C system as claimed in claim 1, it is characterised in that the support polymorphic type variable length order letter
The integrated form of breath, which includes command information form, includes four unit number, module No., status word, channel number or digital information numbers
According to domain.
Priority Applications (1)
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|---|---|---|---|
| CN201710867454.2A CN107612612B (en) | 2017-09-22 | 2017-09-22 | Satellite measurement and control communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867454.2A CN107612612B (en) | 2017-09-22 | 2017-09-22 | Satellite measurement and control communication system |
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| CN107612612A true CN107612612A (en) | 2018-01-19 |
| CN107612612B CN107612612B (en) | 2020-07-14 |
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| CN201710867454.2A Active CN107612612B (en) | 2017-09-22 | 2017-09-22 | Satellite measurement and control communication system |
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| CN109768825A (en) * | 2019-02-26 | 2019-05-17 | 湖南省星岳天璇科技有限公司 | The high rail satellite fortune control outbound control method and device of user information |
| CN112202656A (en) * | 2020-08-27 | 2021-01-08 | 西安空间无线电技术研究所 | Bus communication protocol for on-orbit adjustable traveling wave tube amplifier |
| CN113193899A (en) * | 2021-03-04 | 2021-07-30 | 上海航天控制技术研究所 | Time division multiplexing satellite telemetry method and apparatus |
| CN113193905A (en) * | 2020-09-30 | 2021-07-30 | 中国科学院微小卫星创新研究院 | Telemetering packet data domain multiplexing method |
| CN113726403A (en) * | 2021-07-21 | 2021-11-30 | 西安空间无线电技术研究所 | Satellite-borne random measurement and control terminal burst measurement and control quick response method and system |
| CN115776325A (en) * | 2022-11-07 | 2023-03-10 | 成都盈度科技有限公司 | Event scheduling method and device applied to satellite system and storage medium |
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| CN113726403A (en) * | 2021-07-21 | 2021-11-30 | 西安空间无线电技术研究所 | Satellite-borne random measurement and control terminal burst measurement and control quick response method and system |
| CN113726403B (en) * | 2021-07-21 | 2022-08-12 | 西安空间无线电技术研究所 | Satellite-borne random measurement and control terminal burst measurement and control quick response method and system |
| CN115776325A (en) * | 2022-11-07 | 2023-03-10 | 成都盈度科技有限公司 | Event scheduling method and device applied to satellite system and storage medium |
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