RU2663680C1 - On-board information-navigation complex - Google Patents

Abstract

FIELD: navigation.SUBSTANCE: invention relates to the field of onboard information and navigation equipment for space vehicles and is intended for the formation and emission of navigation radio signals of the GLONASS system, generation, emission, data reception and measurements on an inter-satellite radio link, as well as to provide autonomous operation of the GLONASS space satellite navigation group. On-board information and navigation complex includes a digital control unit, a synchronization signal generation unit, a navigation subcomplex, a sub-complex of inter-satellite radio links, a low-power onboard network switch and an onboard power switchboard. At the same time, the navigation subcomplex includes the drivers of the navigation radio signal of the L1, L2 and L3 bands, radio transmitting devices of the range L1, L2 and L3, the antenna-feeder device of navigation signals and the block of logic and switching of the navigation subcomplex. Sub-complex of inter-satellite links comprises an inter-satellite radio transceiver module, a radio transmitter of the S-band transmitting an antenna-feeder device, receiving antenna-feeder device, low-noise amplifier and a block of logic and commutation of the inter-satellite radio link, low-power and power switches of the on-board network.EFFECT: technical result is the synchronous formation and emission of navigation and inter-satellite signals.1 cl, 1 dwg

Description

The invention relates to the field of on-board information and navigation complex (BINC) of spacecraft (SC) and is intended for the formation and emission of navigation radio signals of the GLONASS system, the formation, radiation, reception of data and measurements via the inter-satellite radio link (MPL), as well as to ensure autonomous functioning Space satellite navigation group GLONASS.

The prior art equipment onboard source of navigation radio signals (BINRS), published in the publication "GLONASS principles of construction and operation", 2010, edited by A.I. Perova, V.N. Kharisova, pp. 418-424 and intended for the formation and emission of highly stable navigation radio signals in two frequency ranges - L1, L2. BINRS includes: navigational driver (FNC), navigational signal former (FNS), multiplex communication channel (MCO) trunk controller, carrier frequency synthesizer of L1 and L2 ranges, four-channel power amplifier of L1 range, two-channel power amplifier of L2, 12- elemental antenna system (active phased array antenna (AFAR)). The BINRS interaction with other on-board systems is carried out via a standard multiplex exchange channel (MCO).

The disadvantages of the closest analogue are: insufficient number of navigation frequency ranges (two signals with frequency separation); synchronous generation and emission of navigation radio signals and radio-frequency radar signals have not been carried out; limited opportunities for autonomous reconfiguration and diagnosis of the complex in the event of abnormal situations.

Solved by the claimed invention tasks:

- the formation and emission of navigation radio signals;

- transmission of navigation information, special information messages as part of the navigation radio signals;

- formation, transmission, reception of data and measurements on the inter-satellite radio link;

- Autonomous reconfiguration of BINK devices in abnormal situations.

The technical result consists in the implementation of the synchronous formation and emission of navigation and inter-satellite signals.

The technical result is achieved by the fact that the on-board information and navigation complex consists of a digital control unit (BCU), the first input of which, which is the first input of the BINC, receives signals from the on-board time scale (BITV) and a signal of 1 Hz from the on-board synchronizing device (BSU), the on-board network (BS) is fed to the second input of the BCU, which is the second input of the BINC, the third input of the BCU, which is the third input of the BINC, is sent hardware control commands (KU) from the on-board control complex (BKU), the app On-line telemetry information (TMI), while the BCU is connected via a multiplex communication channel (MCO) to digital information with the onboard central computer complex (BTsVK) and via the internal information highway is connected to the navigation sub-complex (NPK), the sub-complex of the inter-satellite radio link (PMRL), and a low-power switch the on-board network (KBS-M) and the power switch of the on-board network (KBS-S), and via a multiplex communication channel with the on-board central computer complex, while the output of the BCU is connected to the on-board unit Som management; a block for generating synchronizing signals (BFSS), the first input of which, which is the fourth input of the BINC, is supplied with clock signals, from the first and second outputs of which the clock signals are fed, respectively, to the first inputs of the NPC and PMRL, the navigation sub-complex (NPC), which includes: shaper of navigation radio signal of the L1 range (FNRS L1), shaper of navigation radio signal of the range L2 (FNRS L2), shaper of navigation radio signal of the range L3 (FNRS L3), radio transmitter of the range L1 (RPDU L1), for L2 range transmitting device (L2 RPDU), L3 range transmitting device (L3 RPDU), antenna-feeder device for navigation signals (AFU NS) and a logic and switching unit of the navigation subcomplex (BLIK-NPK), to the input of which, which is the input of the NPK, are fed clock signals, from the first, second and third outputs of which the clock signals are fed to the first inputs of the LDFL L1, LDFL2 and LDFL L3, from the outputs of which the generated navigation signal is supplied respectively to the first inputs of the RPDU L1, RPDU L2 and RPDU L3, the outputs of which are connected, respectively Actually, to the first, second, and third inputs of the AFU NS, while the BLIK-NPK is connected via the internal information highway to the LDLF L1, LDLR L2, and LDLR L3, a subcomplex of inter-satellite radio links (PMRL), which includes: a transmitter-receiver module of the inter-satellite radio link (BATM), a S-band radio transmitting device (RPDU S), a transmitting antenna-feeder device (AFD PRD), a receiving antenna-feeder device (AFM PRM), a low-noise amplifier (LNA) and an inter-satellite radio link logic and switching unit (BLIK-MRLL ), whose input is input PMRL, the clock signals from the second input of the BFSS are fed, from the output BLIK MPL the clock signals are fed to the input of the NIM SLC, from the output of which the generated radio signal is fed to the first input of the RPDU S, the output of which is connected to the input of the AFD PRD, while the output of the AFU PRM is connected to the first the LNA input, the output of which is connected to the third input of the BATM NRL, while the BLIK-MRL is connected to the BAT MRL via the internal information highway; the onboard network switch of the low-power KBS-M, to the first input of which the BS is connected, while the first, second, third, fourth, fifth and sixth outputs of the KBS-M are connected, respectively, to the second inputs of the LDLF L1, LDLF L2 and LDLF L3, PPM MRL , LNA and BFSS, the onboard power supply network switch KBS-S, to the input of which the BSKA is connected, while the first, second, third and fourth outputs of KBS-S are connected, respectively, to the second inputs of the RPD L1, RPDU L2 and RPDU L3 and RPDU S .

The essence of the claimed invention is illustrated in the drawing, where in FIG. 1 are schematically depicted:

1. On-board information and navigation complex (BINK);

2. Digital control unit (BCU);

3. Navigation subcomplex (NPK);

4. The subcomplex of the inter-satellite radio link (PMRL);

5. Low-power onboard network switch (KBS-M);

6. Power switch on-board network (KBS-S);

7. Block for the formation of clock signals (BFSS);

8. Shaper of a radio signal of a range L1 (ФНРС L1);

9. Shaper of a radio signal of a range L2 (LDLF L2);

10. Shaper of a radio signal of a range L3 (FNRS L3);

11. Radio transmitting device of the range L1 (RPDU L1);

12. Radio transmitting device of the L2 range (RPDU L2);

13. Radio transmitting device of the range L3 (RPDU L3);

14. Antenna-feeder device for navigation signals (AFU NS);

15. Block of logic and switching of navigation subcomplex (BLIK-NPK);

16. Transceiver module of the inter-satellite radio link (PPM MRL);

17. Radio transmitting device of the range S (RPDU S);

18. Transmitting antenna-feeder device (AFU PRD);

19. Reception antenna-feeder device (AFU PFP);

20. Low noise amplifier (LNA);

21. Block of logic and switching of the inter-satellite radio link (BLIK-MRL);

The functional purpose and principle of operation of the devices of the claimed device BINK.

Functionally, BINK (1) is divided into a digital control unit BTsU (2), a navigation subcomplex NPK (3), a subcomplex of an inter-satellite radio link PMRL (4), a low-power on-board network switch KBS-M (5), a power switch on-board network KBS-S (6 ) and the BFSS clock generation block (7).

For transmitting command, telemetric and digital information between the digital control unit BTsU (2) navigation subcomplex NPK (3), the subcomplex inter-satellite radio link PMRL (4), the low-power switch on-board network KBS-M (5) and the power switch on-board network KBS-S ( 6) uses the internal information highway VIM.

The digital control unit BTsU (2) is intended for:

- exchange of control, telemetric and digital information via a multiplex exchange channel (MCO) with the on-board digital computer complex BTsVK KA in accordance with the Protocol for the logical and informational interaction of BINK equipment with BTsVK;

- receiving BITV signals and a 1 Hz signal, which are, respectively, a 32-bit time code and a 1 Hz pulse signal generated by the spacecraft BSU;

- control of the reliability (monotonicity) of the BSHV BSU spacecraft codes and the provision of autonomous generation of BShV codes with unreliable BSU BSU codes;

- conducting a planned correction of BShV GLONASS;

- VIM exchange of control, telemetric and digital information with NPK (3), PMRL (4), KBS-M (5) and KBS-S (6) in accordance with the Protocol of Logical and Information Interaction on the Internal Information Highway;

- accumulation, storage of information and transmission to the BCVC received on the SRL from the SIR SID (16) in one 5-second reception session;

- monitoring and reconfiguration of the BINK (1) with autonomous functioning as part of the GLONASS space satellite navigation grouping.

The BSVV signal comes to the first input of the BCU - a 32-bit time code, which is issued from the BSU, in the form of a unipolar pulse self-checking code of units (K1) and zeros (KO) with a pulse repetition rate of 100 Hz and a pulse signal of 1 Hz, to the second input The BCU is supplied with a BS, the BCU hardware control commands are sent to the third input of the BCU, the TMI BINK hardware telemetry information is output to the BTsU, while the BTsU uses MCO to exchange digital information with the BTsVK KA in accordance with the Protocol of Logical and Information Interaction BINK equipment with BTsVK "and VIM for exchange of command, telemetric and digital information with NPK (3), PMRL (4), KBS-M (5) and KBS-S (6) in accordance with the Protocol of logical and informational interaction on internal information highway. "

NPK navigation subcomplex (3) is intended for the formation of digital information, the formation and transmission of navigation radio signals. The composition of the NPK includes: LDF L1 (8), LDF L2 (9), LDF L3 (10), RPDU LI (11), RPDU L2 (12), RPDU L3 (13), AFU NS (14) and BLIK-NPK (fifteen). 5 MHz and 1 Hz clock signals are fed to the BLIK-NPK input (15) and are transmitted to the first, second, and third outputs for supplying, respectively, to the first inputs of the LFNS L1 (8), FNRS L2 (9), and FNRS L3 (10). A VIM is connected to the input / output of the BLIK-NPK (15), which is relayed to the input / outputs for connecting, respectively, to the I / O of the LFNS L1 (8), FNRS L2 (9) and LFNS L3 (10), from the output of which the navigation radio signal is supplied, respectively, to the first inputs of the RPDU L1 (11), RIDU L2 (12) and RPDU L3 (13), the outputs of which are connected, respectively, to the first, second and third inputs of the AFU NS (14).

The sub-complex of the inter-satellite radio link PMRL (4) is intended for the generation and reception of digital information of the inter-satellite radio line, the generation, transmission and reception of radio signals of the inter-satellite radio line and the synchronous operation of the MPL MRL (16) according to the cyclogram (20 second cycles of reception and transmission of radio-frequency signals), in in accordance with the specified operating modes and with reference to the received and decoded signals BSW BSU.

The composition of PMRL 4) includes: PPM MRL (16), RPDU S (17), AFU PRD (18), AFU PRM (19), LNA (20) and BLIK-MRL (21). 5 MHz and 1 Hz clock signals are fed to the input of the BLIK-MRL (21) and are transmitted to the output for supplying the MRL MRL (16) to the first input. A VIM is connected to the input / output of the BLIK-MRL (21), which is relayed to the input / output for connecting to the input / output of the MPL MRL (16), from the output of which the generated radio signal is fed to the first input of the RPDU S (17), the output of which is connected to the input of the AFD PRD (18), while the output of the AFU PRM (19) is connected to the first input of the LNA (20), the output of which is connected to the third input of the MRP MRL (16).

The low-power switch of the on-board network KBS-M (5) is designed to convert control information received via VIM from the BCU (2) into potential power commands that are connected to the second inputs, respectively, from the first, second, third, fourth, fifth and sixth outputs FNRS L1 (8), FNRS L2 (9), FNRS L3 (10), PPM MRL (16), LNA (20) and BFSS (7), as well as to collect telemetry information with its subsequent broadcast to BCC (2) via Vim.

The power switch of the on-board network KBS-S (7) is designed to convert control information received through the VIM from the BCU (2) into potential power commands that are connected from the first, second, third and fourth outputs, respectively, to the second inputs of the L1 RPDU (11) ), RPDU L2 (12), RPDU L3 (13) and RPDU S (17) as well as for the collection of telemetric information with its subsequent broadcast to BTSU (2) via VIM.

The BFSS clock generation block (7) is designed to receive 5 MHz and 1 Hz clock signals at the first input and distribute it to the first and second outputs for connecting, respectively, to the inputs of the BLIK-NPK (15) and BLIK-MRL (21).

Shaper of the navigation radio signal of the L1 range LFNRS L1 (8) provides the formation of digital information, the formation and emission of the navigation radio signal in the frequency range L Formation of telemetric information information interaction with the BCU (2) via VIM.

Shaper of the navigation radio signal of the L2 range FNRS L2 (9) provides the formation of digital information, the formation and emission of the navigation radio signal in the frequency range L2, the formation of telemetric information and information interaction with the BCU (2) via VIM.

Shaper of the navigation radio signal of the L3 range LFNS L3 (10) provides the formation of digital information, the formation and emission of the navigation radio signal in the L3 frequency range, the formation of telemetric information and information interaction with the BCU (2) via VIM.

Radio transmitting devices RPDU L1 (11), RPDU L2 (12), RPDU L3 (13) are designed to amplify the generated navigation radio signals, followed by their transmission to the AFU NS (14) for radiation.

The logic and switching unit of the BLIK-NPK navigation subcomplex (15) acts as a cross-connecting device and is designed to distribute the clock signals received from the BFSS (7) to the LFNS L1 (8), FNRS L2 (9), FNRS L3 (10) and the control broadcast, telemetric and digital information between the BCU (2) and the LDF L1 (8), the LDF L2 (9), the LDF L3 (10) transmitted via VIM.

The transceiver module of the PPM MRL inter-satellite radio link (16) provides:

- the formation and emission of the radio signal of the inter-satellite radio line in the frequency range S;

- synchronous operation of transceivers according to the sequence diagram (20 second cycles of reception and transmission of SLC signals), in accordance with the specified operating modes and with reference to clock signals and BSW;

- decoding, accumulation and storage of digital information received by SRL;

- formation of telemetric information and information interaction with BTSU (2) by VIM.

The BLIK-MRL (21) inter-satellite radio link logic and switching unit acts as a cross-connecting device and is designed to distribute the clock signals received from the BFSS (7) to the MPL MRL (16) and transmit control, telemetric and digital information between the BCU (2) and the MRM MRP (16) transmitted via VIM.

The radio transmitting device of the 8RPDU range S (17) is intended for amplification of the generated radio signal of the inter-satellite radio line, with subsequent transmission to the AFD PRD (18) for radiation.

The receiving antenna-feeder device of the AFM PRM (19) is designed for multichannel reception of radio signals of an inter-satellite radio line from several spacecraft.

The low-noise amplifier LNA (20) is designed to amplify and pre-filter the radio signals of the inter-satellite radio link with subsequent broadcasting to the MRM MRP (16).

Thus, the use of the claimed device on board the navigation GLONASS spacecraft makes it possible to solve the tasks with the achievement of the claimed technical result.

Claims (1)

The on-board information and navigation complex, characterized in that it includes a digital control unit (BCC), a synchronization signal generation unit (BFSS), a navigation subcomplex (NPC) as part of a navigational radio signal shaper of the L1 band (LDLF L1), a shaper of the navigational radio signal of the L2 band (LDLF) L2), a shaper of a navigation radio signal of the L3 range (LNRS L3), a radio transmitting device of the L1 range (RPDU L1), a radio transmitting device of the L2 range (RPDU L2), a radio transmitting device of the L3 range (RPDU L3), antenna-feeder device for navigation signals (AFU NS) and the logic and switching unit of the navigation subcomplex (BLIK-NPK), the subcomplex of inter-satellite radio links (PMRL) as part of the transceiver module of the inter-satellite radio link (PPM MRL), radio transmitting device S (RPDU S), a transmitting antenna-feeder device (AFD PRD), a receiving antenna-feeder device (AFU PRM), a low-noise amplifier (LNA) and an inter-satellite radio logic and switching unit (BLIK-MRL), a low-power on-board network switch (KBS) -M) silo switch of the onboard network (KBS-S), in this case, the on-board time scale signals and a 1 Hz signal from the onboard synchronizing device are fed to the first input of the BCU, the onboard network of the spacecraft is fed to the second input of the BCU, the hardware control commands from the onboard are sent to the third input of the BCU control complex, and the BCU on the internal information highway is connected to the navigation subcomplex (NPK), the subcomplex of the inter-satellite radio link (PMRL), the low-power onboard network switch (KBS-M) and the power switch commercial network (KBS-S), as well as via a multiplex communication channel with the on-board central computer complex, while the output of the central control unit is connected to the on-board control complex; clock signals are fed to the first input of the BFSS, which are supplied from the first and second outputs of the BFSS to the inputs of BLIK-NPK and BLIK-PMRL, respectively; clock signals from the first, second, and third outputs of the BLIK-NPK are fed to the first inputs of the LF, LF, L2, and LNF L3, respectively, and the outputs of the LF, LF, L2, and LF, L3 are connected respectively to the first inputs of the RPD L1, RPD L2 and RPD L3, the outputs which are connected respectively to the first, second and third inputs of the AFU NS, moreover, BLIK-NPK is connected via an internal information highway to the LDLF L1, LDLF L2 and LDLF L3; clock signals from the BLIK-MRL output are fed to the first input of the MRP MRL, the output of the MRP MRL is connected to the first input of the RPM S, the output of which is connected to the input of the AFD PRD, the output of the AFM PRM is connected to the first input of the LNA, the output of which is connected to the third input of the MRP MRL, this BLIK-MRL is connected to the MRP MRL via the internal information highway; the onboard network of the spacecraft is connected to the KBS-M input, while the first, second, third, fourth, fifth and sixth outputs of the KBS-M are connected respectively to the second inputs of the LDLF L1, LDLF L2 and LDLF L3, ППМ МРЛ, МШУ and БФСС; the onboard network of the spacecraft is connected to the input of KBS-S, while the first, second, third and fourth outputs of KBS-S are connected respectively to the second inputs of the RPDU L1, RPDU L2, RPDU L3 and RPDU S.

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