CN110704133B - Satellite subpackage remote control receiving control method based on finite-state machine - Google Patents
Satellite subpackage remote control receiving control method based on finite-state machine Download PDFInfo
- Publication number
- CN110704133B CN110704133B CN201910860192.6A CN201910860192A CN110704133B CN 110704133 B CN110704133 B CN 110704133B CN 201910860192 A CN201910860192 A CN 201910860192A CN 110704133 B CN110704133 B CN 110704133B
- Authority
- CN
- China
- Prior art keywords
- state
- packet
- remote control
- finite
- state machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4498—Finite state machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to a satellite subpackage remote control receiving control method based on a finite-state machine, and belongs to the technical field of remote control receiving processing on spacecrafts. Based on a finite state machine, a multi-packet sequence remote control receiving control method is provided, entry of 6 states and 11 excitation conditions of multi-packet sequence remote control receiving control is carried out, auxiliary software finishes consideration and design of all working conditions, state omission is avoided, and meanwhile powerful support is provided for test comprehensiveness of remote control functions.
Description
Technical Field
The invention relates to a satellite subpackage remote control receiving control method based on a finite-state machine, and belongs to the technical field of remote control receiving processing on spacecrafts.
Background
In order to ensure the safety of the spacecraft, the application software of the GNC subsystem of the space station performs validity verification of a basic format on the received remote control injection and performs validity verification of contents on each instruction. Spacecraft injection instructions fall into two broad categories: regular instructions and instructions of varying length. When the length of the indefinite length instruction is not fixed and exceeds the data range of one remote control frame, the indefinite length instruction needs to be packaged on the ground, a multi-package sequence remote control frame is adopted for injection, and the instruction is executed after the spacecraft receives all data of the instruction. Under normal state, the multi-packet sequence remote control frames are injected in sequence; in an abnormal state, the injection sequence of each sub-packet is disordered, and even a plurality of packets and packet loss exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the satellite subpackage remote control receiving control method based on the finite-state machine overcomes the defects of the prior art, maintains all receiving states and all input excitations of a multi-packet sequence remote control frame through the finite-state machine, ensures the full coverage of various working condition designs, avoids software risks caused by logic omission design, and further improves the reliability and the safety of software operation.
The technical solution of the invention is as follows:
a satellite subpackage remote control receiving control method based on a finite-state machine is disclosed, and the format of a remote control frame aimed at by the method is shown in table 1;
the remote control frame format consists of three parts: a leader, source data, and a checksum. The remote control frame format has a total maximum of 512 bytes. The remote control data is formatted according to a remote control frame, and the version number definition, the type and the auxiliary leading mark are spacecraft identification information; the application process identifier and the classification identifier jointly represent the injection instruction classification; the packet sequence identification and the source packet sequence count jointly indicate the packetization condition; the packet length indicates the source data length; the checksum serves as a check of the entire remote control frame format.
TABLE 1 remote control frame Format
The length of the indefinite length instruction is not fixed, when the length exceeds the data range of one remote control frame, the indefinite length instruction needs to be subpackaged on the ground, a multi-packet sequence remote control frame is adopted for injection, and the instruction is executed after the spacecraft receives all data of the instruction. The control of the multi-packet sequence is determined by the packet sequence control field in the header, wherein the use of the packet sequence identification and the source packet sequence count is as follows.
(1) Packet sequence identification
For the command needing multi-packet transmission, the packet sequence identifier is used for identifying the position of each remote control packet in the packet sequence, the command with indefinite length can be divided into multiple packets for transmission, and other commands can be transmitted in the form of independent packets. The specific significance is as follows: 00b represents a middle packet in the packet sequence; 01b represents the 1 st packet in the packet sequence; 10b represents the last packet in the sequence of packets; and 11b represents an independent package.
(2) Source packet sequence counting
If the packet sequence identifier is 00b or 10b, the content counted by the source packet sequence is the sequence number of the current packet counted from 1; if the packet sequence identifier is 01b, counting the source packet sequence as the total number of packets; if the packet sequence identifier is 11b, the source packet sequence is counted as the number of instruction units in the source data.
When the multi-packet sequence remote control frame is injected, the injection time of each sub-packet, the injection interval between the sub-packets and the injection sequence of each sub-packet are uncertain, so that the receiving state of the multi-packet sequence remote control frame has diversity, and all receiving states and all input excitation of the multi-packet sequence remote control frame are maintained through a finite state machine.
The multi-packet sequence remote control receiving control finite state machine comprises 6 states and 11 excitation conditions, enters an effective state machine after each remote control frame injection, and determines the latest remote control state of the spacecraft according to the current remote control state of the spacecraft and the packet head state of the remote control frame. The method is based on the finite state machine to carry out multi-packet sequence remote control frame receiving control, has strict control logic and clear state conversion, can ensure correct receiving of the injected remote control frame in the normal process and can also ensure that the receiving state has safe and reliable transition action under unexpected excitation in the abnormal process.
The method comprises the following steps:
(1) Judging the state of the finite-state machine, wherein the state of the finite-state machine comprises six states, which are respectively: the method is characterized by comprising the following steps of (1) not having any cache packet state, head packet state, middle packet state, tail packet state, invalid packet state and independent packet state;
no cache packet state: this is the initialization state, and any packet in the multi-packet sequence is not received;
the first package state: the remote control frame is the first packet in the multi-packet sequence;
the tundish state: the remote control frame is a middle packet in the multi-packet sequence;
tail-package state: the remote control frame is a tail packet in the multi-packet sequence;
invalid packet state: the remote control frame is an invalid packet;
independent packet status: the remote control frame is an independent packet;
(2) When the state of the finite-state machine is the state without any cache packet and the t0 excitation condition is received, updating the state of the finite-state machine into the state of an independent packet;
when the state of the finite state machine is in the state without any cache packet and the t1 excitation condition is received, updating the state of the finite state machine to be in the first packet state;
when the state of the finite state machine is in the state without any cache packet and the t9 excitation condition is received, updating the state of the finite state machine to be in the invalid packet state;
(3) When the state of the finite state machine is the first packet state and the t2 excitation condition is received, updating the state of the finite state machine to be the middle packet state;
when the state of the finite state machine is the first packet state and the t7 excitation condition is received, updating the state of the finite state machine to be an invalid packet state;
(4) When the state of the finite state machine is the tundish state and the t3 excitation condition is received, updating the state of the finite state machine to be the tundish state;
when the state of the finite state machine is the tundish state and the t4 excitation condition is received, updating the state of the finite state machine to the tail-packet state;
when the state of the finite state machine is the tundish state and the t8 excitation condition is received, updating the state of the finite state machine to be the invalid packet state;
(5) When the state of the finite state machine is the tail packet state and the t5 excitation condition is received, updating the state of the finite state machine to be the state without any cache packet;
when the state of the finite state machine is the tail packet state and other excitation conditions except t5 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
(6) When the state of the finite state machine is an invalid packet state and a t6 excitation condition is received, updating the state of the finite state machine to be a state without any cache packet;
when the state of the finite state machine is an invalid packet state and other excitation conditions except t6 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
(7) When the state of the finite state machine is the independent packet state and the t10 excitation condition is received, updating the state of the finite state machine to be the state without any cache packet; when the state of the finite state machine is the independent packet state and other excitation conditions except t10 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
11 excitation conditions, respectively:
t0: one-time injection remote control reception is completed, and the packet sequence identification = =11b;
t1: one-time injection remote control reception is completed, and the packet sequence identification = =01b, the source packet sequence count >1;
t2: one injection remote control reception is completed, and the packet sequence identification = =00b, the source packet sequence count = =2;
t3: completing one-time injection remote control receiving, wherein the packet sequence identification is =00b, and the source packet sequence count is = +1 of the last buffer source packet sequence count;
t4: one injection remote control reception is completed, and the packet sequence identification = =10b, the source packet sequence count = = total number of packets;
t5: after the remote control frame of the multi-packet sequence is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
t6: clearing the packet sequence identifier, clearing the source packet sequence count and clearing the total packet number;
t7: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the t2 condition;
t8: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t3 and t 4;
t9: abnormal conditions, wherein one-time injection remote control receiving is completed, and the packet sequence control domain in the remote control frame is all other conditions except the t0 and t1 conditions;
t10: and after the independent packet remote control frame is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared.
Compared with the prior art, the invention has the advantages that: based on a finite state machine, a multi-packet sequence remote control receiving control method is provided, entry of 6 states and 11 excitation conditions of multi-packet sequence remote control receiving control is carried out, auxiliary software finishes consideration and design of all working conditions, state omission is avoided, and meanwhile powerful support is provided for test comprehensiveness of remote control functions.
In order to ensure that a spacecraft can completely receive instruction data in a normal state and the normal remote control function is not influenced in an abnormal state, when the remote control function design of application software of a GNC subsystem is carried out, a multi-packet sequence remote control receiving control method based on a finite state machine is provided, all receiving states and all input excitations of multi-packet sequence remote control are maintained through the finite state machine, the full coverage of various working condition designs is ensured, and software risks caused by logic omission design are avoided. The method ensures that the spacecraft receives the instruction data completely under the normal injection process, provides the reliability protection measure of the abnormal injection process, does not cause software failure and recovers the normal remote control in time.
Drawings
Fig. 1 shows a state transition diagram of a multi-packet sequence remote control receiving control method based on a finite-state machine according to the present invention.
Detailed Description
A multi-packet sequence remote control receiving control method based on a finite state machine comprises the following steps:
s1, inquiring whether remote control injection exists or not, and receiving the remote control of the injection if the remote control injection exists;
s2, determining packet sequence identification
For the command needing multi-packet transmission, the packet sequence identifier is used for identifying the position of each remote control packet in the packet sequence, the command with indefinite length can be divided into multiple packets for transmission, and other commands can be transmitted in the form of independent packets. The specific meanings are as follows: 00b represents a middle packet in the packet sequence; 01b represents the 1 st packet in the packet sequence; 10b represents the last packet in the sequence of packets; and 11b represents an independent packet.
S3, determining source packet sequence count
If the packet sequence identifier is 00b or 10b, the content counted by the source packet sequence is the sequence number of the current packet counted from 1; if the packet sequence identifier is 01b, counting the source packet sequence as the total number of packets; if the packet sequence identifier is 11b, the source packet sequence is counted as the number of instruction units in the source data.
S4, after the operations are completed, acquiring excitation conditions of a multi-packet sequence remote control receiving control finite state machine, wherein 11 conditions are obtained in total:
t0: one injection remote control reception is completed and packet sequence identification = =11b;
t1: one-time injection remote control reception is completed, and the packet sequence identification = =01b, the source packet sequence count >1;
t2: one injection remote control reception is completed, and the packet sequence identification = =00b, the source packet sequence count = =2;
t3: completing one-time injection remote control receiving, wherein the packet sequence identification is = =00b, and the source packet sequence count is = = last buffer source packet sequence count +1;
t4: one injection remote control reception is completed, and the packet sequence identification = =10b, the source packet sequence count = = total number of packets;
t5: after the remote control of the multi-packet sequence is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
t6: clearing the packet sequence identifier, clearing the source packet sequence count and clearing the total packet number;
t7: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the t2 condition;
t8: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t3 and t 4;
t9: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t0 and t 1;
t10: after the independent packet remote control frame is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
s5, determining the current state of the effective state machine
The multi-packet sequence remote control receiving control finite state machine comprises 6 states:
there is no cache packet: this is the initialization state, and any packet in the multi-packet sequence is not received;
first package: the remote control frame is the first packet in the multi-packet sequence;
a tundish: the remote control frame is a middle packet in the multi-packet sequence;
and (4) tail wrapping: the remote control frame is a tail packet in the multi-packet sequence;
and (4) invalid packet: the remote control frame is an invalid packet;
independent package: the remote control frame is an independent packet;
and S6, carrying out state transition according to the state transition diagram of the figure 1 according to the excitation condition and the current state.
The invention provides a multi-packet sequence remote control receiving control method based on a finite state machine, which is used for maintaining all receiving states and all input excitations of a multi-packet sequence remote control frame through the finite state machine, ensuring the full coverage of various working condition designs and avoiding software risks brought by logic omission design. The multi-packet sequence remote control receiving control finite state machine comprises 6 states (no any cache packet, head packet, middle packet, tail packet, invalid packet and independent packet) and 11 excitation conditions (t 0-t 10). After each remote control injection, the spacecraft enters an effective state machine, and the latest remote control state of the spacecraft is jointly determined according to the current remote control state of the spacecraft and the state of the header of the remote control frame.
The method ensures that the spacecraft completely receives the instruction data under the normal injection process, provides the reliability protection measure of the abnormal injection process, does not cause software failure, and recovers the normal remote control in time.
The invention provides a multi-packet sequence remote control receiving control method based on a finite-state machine, which introduces the concept of the finite-state machine into the design of a spacecraft remote control function, so that the design of a safety key point of the remote control function is more rigorous, the correctness and the integrity of a remote control software design logic are ensured, and the reliability and the safety of a spacecraft system are improved. The method is already applied to the in-orbit spacecraft, and achieves good effect. The method is suitable for the multi-packet sequence remote control receiving control function of all spacecraft systems.
Referring to fig. 1, the multi-packet sequence remote control receiving control finite state machine of the present invention includes 6 states and 11 excitation conditions, wherein four states in a dashed frame ellipse are multi-packet sequence receiving control main logic; the solid arrows indicate normal expected excitation and the dashed arrows indicate abnormal condition excitation. And after each remote control injection, entering an effective state machine, and jointly determining the latest remote control state of the spacecraft according to the current remote control state of the spacecraft and the state of a remote control frame packet header.
(1) The 6 states are:
there is no cache packet: this is the initialization state, and any packet in the multi-packet sequence is not received;
first packaging: the remote control frame is the first packet in the multi-packet sequence;
a tundish: the remote control frame is a middle packet in the multi-packet sequence;
and (4) tail wrapping: the remote control frame is a tail packet in the multi-packet sequence;
invalid packet: the remote control frame is an invalid packet;
independent package: the remote control frame is an independent packet;
(2) 11 excitation conditions, respectively:
t0: one-time injection remote control reception is completed, and the packet sequence identification = =11b;
t1: one-time injection remote control reception is completed, and the packet sequence identification = =01b, the source packet sequence count >1;
t2: one injection remote control reception is completed, and the packet sequence identification = =00b, the source packet sequence count = =2;
t3: completing one-time injection remote control receiving, wherein the packet sequence identification is = =00b, and the source packet sequence count is = = last buffer source packet sequence count +1;
t4: one injection remote control reception is completed, and the packet sequence identification = =10b, the source packet sequence count = = total number of packets;
t5: after the multi-packet sequence remote control frame is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
t6: clearing the packet sequence identifier, clearing the source packet sequence count and clearing the total packet number;
t7: abnormal conditions, one-time injection remote control receiving is completed, and the packet sequence control domain in the remote control frame is all other conditions except the t2 condition;
t8: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t3 and t 4;
t9: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t0 and t 1;
t10: after the independent packet remote control frame is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
the multi-packet sequence remote control receiving control is carried out based on a finite state machine, the control logic is strict, the state conversion is clear, the correct receiving of the injected remote control frame in the normal process can be ensured, and the safe and reliable transition action of the receiving state under the unexpected excitation in the abnormal process can also be ensured.
Tests show that after the algorithm is applied, the correctness and the integrity of the design logic of the remote control software are ensured, and the reliability and the safety of a spacecraft system are improved.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. A satellite subpackage remote control receiving control method based on a finite-state machine is characterized in that:
the method comprises the following steps:
(1) Judging the state of the finite state machine, wherein the state of the finite state machine comprises six states, and the six states are respectively: the method is characterized by comprising the following steps of (1) not having any cache packet state, head packet state, middle packet state, tail packet state, invalid packet state and independent packet state;
(2) When the state of the finite state machine is in the state without any cache packet and the t0 excitation condition is received, updating the state of the finite state machine to be in the state of an independent packet;
when the state of the finite state machine is the state without any cache packet and the t1 excitation condition is received, updating the state of the finite state machine to be the first packet state;
when the state of the finite state machine is in the state without any cache packet and the t9 excitation condition is received, updating the state of the finite state machine to be in the invalid packet state;
(3) When the state of the finite state machine is the first packet state and the t2 excitation condition is received, updating the state of the finite state machine to be the middle packet state;
when the state of the finite state machine is the first packet state and the t7 excitation condition is received, updating the state of the finite state machine to be an invalid packet state;
(4) When the state of the finite state machine is the tundish state and the t3 excitation condition is received, updating the state of the finite state machine to be the tundish state;
when the state of the finite state machine is the tundish state and the t4 excitation condition is received, updating the state of the finite state machine to the tail-packet state;
when the state of the finite state machine is the tundish state and the t8 excitation condition is received, updating the state of the finite state machine to be the invalid packet state;
(5) When the state of the finite state machine is the tail packet state and the t5 excitation condition is received, updating the state of the finite state machine to be the state without any cache packet;
when the state of the finite state machine is the tail packet state and other excitation conditions except t5 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
(6) When the state of the finite state machine is an invalid packet state and a t6 excitation condition is received, updating the state of the finite state machine to be a state without any cache packet;
when the state of the finite state machine is an invalid packet state and other excitation conditions except t6 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
(7) When the state of the finite state machine is the independent packet state and the t10 excitation condition is received, updating the state of the finite state machine to be the state without any cache packet; when the state of the finite state machine is the independent packet state and other excitation conditions except t10 are received, the state of the finite state machine does not respond, namely the state of the finite state machine is not updated;
the meanings of the six states are as follows:
the state of no cache packet is an initialization state, and any packet in the multi-packet sequence is not received;
the first packet state means that the remote control frame is the first packet in the multi-packet sequence;
the state of the middle package means that the remote control frame is the middle package in the multi-package sequence;
the tail packet state means that the remote control frame is a tail packet in a multi-packet sequence;
the invalid packet state means that the remote control frame is an invalid packet;
the independent packet state means that the remote control frame is an independent packet;
eleven excitation conditions were:
t0: one-time injection remote control reception is completed, and the packet sequence identification = =11b;
t1: completing one-time injection remote control receiving, wherein the packet sequence identification is =01b, and the source packet sequence count is >1;
t2: one injection remote control reception is completed, and the packet sequence identification = =00b, the source packet sequence count = =2;
t3: completing one-time injection remote control receiving, wherein the packet sequence identification is =00b, and the source packet sequence count is = +1 of the last buffer source packet sequence count;
t4: one injection remote control reception is completed, and the packet sequence identification = =10b, the source packet sequence count = = total number of packets;
t5: after the remote control frame of the multi-packet sequence is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared;
t6: clearing the packet sequence identifier, clearing the source packet sequence count and clearing the total packet number;
t7: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the t2 condition;
t8: under an abnormal working condition, completing remote control receiving by injecting once, wherein the packet sequence control domain in the remote control frame is all other conditions except the conditions of t3 and t 4;
t9: abnormal conditions, wherein one-time injection remote control receiving is completed, and the packet sequence control domain in the remote control frame is all other conditions except the t0 and t1 conditions;
t10: and after the independent packet remote control frame is executed, the packet sequence identifier is cleared, the source packet sequence count is cleared, and the total packet number is cleared.
2. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 1, characterized in that: the remote control frame format aimed at by the method is shown in table 1;
table 1 remote control frame format.
3. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 2, characterized in that: the remote control frame format includes a preamble, source data, and a checksum.
4. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 3, characterized in that: the remote control frame format has a total maximum of 512 bytes.
5. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 4, characterized in that: the remote control data is formatted according to a remote control frame.
6. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 5, characterized in that: the version number definition, the type and the auxiliary guide head mark in the remote control data are spacecraft identification information, and the application process identification and the classification identification in the remote control data jointly represent injection instruction classification.
7. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 6, characterized in that: the packet sequence identification and the source packet sequence count in the remote control data indicate the packet condition together, and the packet length in the remote control data indicates the source data length.
8. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 5, characterized in that: the checksum in the remote control data is used as a check for the entire remote control frame format.
9. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 1, characterized in that: 00b represents a middle packet in the packet sequence; 01b represents the 1 st packet in the packet sequence; 10b represents the last packet in the sequence of packets; and 11b represents an independent packet.
10. The satellite subpackage remote control receiving control method based on the finite-state machine according to claim 1, characterized in that: if the packet sequence identifier is 00b or 10b, the content counted by the source packet sequence is the sequence number of the current packet counted from 1; if the packet sequence identifier is 01b, counting the source packet sequence as the total number of packets; if the packet sequence identifier is 11b, the source packet sequence is counted as the number of instruction units in the source data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860192.6A CN110704133B (en) | 2019-09-11 | 2019-09-11 | Satellite subpackage remote control receiving control method based on finite-state machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860192.6A CN110704133B (en) | 2019-09-11 | 2019-09-11 | Satellite subpackage remote control receiving control method based on finite-state machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110704133A CN110704133A (en) | 2020-01-17 |
| CN110704133B true CN110704133B (en) | 2023-03-31 |
Family
ID=69194488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860192.6A Active CN110704133B (en) | 2019-09-11 | 2019-09-11 | Satellite subpackage remote control receiving control method based on finite-state machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110704133B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431665B (en) * | 2020-03-12 | 2023-02-28 | 北京控制工程研究所 | Error grading alarm method and system for satellite remote control injection state |
| CN112256311B (en) * | 2020-09-27 | 2023-06-06 | 北京控制工程研究所 | Mars master-slave software automatic updating method based on finite state machine |
| CN113364515B (en) * | 2021-06-01 | 2023-01-10 | 北京和德宇航技术有限公司 | Satellite remote control method, device, equipment and storage medium based on Xstate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003534A (en) * | 1988-08-26 | 1991-03-26 | Scientific Atlanta | Link utilization control mechanism for demand assignment satellite communications network |
| CN101686144A (en) * | 2008-09-22 | 2010-03-31 | 华为技术有限公司 | Method and system for processing data and node device |
| CN102932696A (en) * | 2012-09-29 | 2013-02-13 | 西安空间无线电技术研究所 | Satellite-borne high-speed data multiplexer system and realizing method thereof |
| CN104539472A (en) * | 2014-12-03 | 2015-04-22 | 中国航空工业集团公司第六三一研究所 | Transmission frame sequence control method based on packet mechanism |
| CN107770020A (en) * | 2017-09-14 | 2018-03-06 | 上海欧科微航天科技有限公司 | A kind of communication means and device based on spaceborne FlexRay dual channel bus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6819658B1 (en) * | 1997-07-15 | 2004-11-16 | Comsat Corporation | Method and apparatus for segmentation, reassembly and inverse multiplexing of packets and ATM cells over satellite/wireless networks |
-
2019
- 2019-09-11 CN CN201910860192.6A patent/CN110704133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003534A (en) * | 1988-08-26 | 1991-03-26 | Scientific Atlanta | Link utilization control mechanism for demand assignment satellite communications network |
| CN101686144A (en) * | 2008-09-22 | 2010-03-31 | 华为技术有限公司 | Method and system for processing data and node device |
| CN102932696A (en) * | 2012-09-29 | 2013-02-13 | 西安空间无线电技术研究所 | Satellite-borne high-speed data multiplexer system and realizing method thereof |
| CN104539472A (en) * | 2014-12-03 | 2015-04-22 | 中国航空工业集团公司第六三一研究所 | Transmission frame sequence control method based on packet mechanism |
| CN107770020A (en) * | 2017-09-14 | 2018-03-06 | 上海欧科微航天科技有限公司 | A kind of communication means and device based on spaceborne FlexRay dual channel bus |
Non-Patent Citations (2)
| Title |
|---|
| A. Drumea ; C. Popescu.Finite state machines and their applications in software for industrial control.《27th International Spring Seminar on Electronics Technology: Meeting the Challenges of Electronics Technology Progress, 2004.》.2005,正文1-5页. * |
| 张合生.基于FSM和事件驱动的卫星管理软件设计.《计算机工程》.2009,第35卷(第21期),正文1-3页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110704133A (en) | 2020-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110704133B (en) | Satellite subpackage remote control receiving control method based on finite-state machine | |
| CN107147657B (en) | Coding and decoding method and communication equipment suitable for multi-machine reliable communication | |
| US8867344B2 (en) | Methods for bus data transmission and systems utilizing the same | |
| US7142539B2 (en) | TCP receiver acceleration | |
| US7957390B2 (en) | Detection of signatures in disordered message segments | |
| US5553302A (en) | Serial I/O channel having independent and asynchronous facilities with sequence recognition, frame recognition, and frame receiving mechanism for receiving control and user defined data | |
| CN111010253B (en) | HIMAC frame splitting system and method based on HINOC protocol | |
| CN110971387A (en) | Data transmission processing method, sending equipment and receiving equipment | |
| US20100138573A1 (en) | System including transmitter and receiver | |
| CN106452688A (en) | Beidou data lost message retransmission method and system | |
| KR101001074B1 (en) | Method for transmittng data on a bus | |
| CN112769939A (en) | Big data reliable transmission method for real-time communication | |
| CN111651256A (en) | Serial communication data synchronization method based on FreeRTOS | |
| CN113392060A (en) | Universal serial port data receiving and processing method | |
| US20100162066A1 (en) | Acceleration of header and data error checking via simultaneous execution of multi-level protocol algorithms | |
| US20050144339A1 (en) | Speculative processing of transaction layer packets | |
| CN115695576B (en) | Data frame conversion method and device compatible with TSN frame preemption protocol | |
| CN110113100B (en) | Visible light communication device and method for Ethernet data transmission | |
| US9124499B2 (en) | Frame transmission system | |
| US9559857B2 (en) | Preprocessing unit for network data | |
| CN116032846A (en) | MAC IP core device supporting frame preemption, data frame transmitting method and receiving method supporting frame preemption | |
| CN110049312B (en) | ARINC818 protocol fault injection method and device | |
| CN114579490A (en) | Data transmission method and device, electronic equipment and storage medium | |
| CN111083115A (en) | Data transmission method and system | |
| CN100553227C (en) | The devices and methods therefor of network communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |