CN101867436B - System and method for realizing minimal satellite data sending functional redundancy - Google Patents

System and method for realizing minimal satellite data sending functional redundancy Download PDF

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CN101867436B
CN101867436B CN 200910049295 CN200910049295A CN101867436B CN 101867436 B CN101867436 B CN 101867436B CN 200910049295 CN200910049295 CN 200910049295 CN 200910049295 A CN200910049295 A CN 200910049295A CN 101867436 B CN101867436 B CN 101867436B
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transmitter
satellite
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CN101867436A (en )
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周依林
何涛
白雪柏
曹金
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上海微小卫星工程中心
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Abstract

本发明的实现微小卫星数据发送功能冗余的系统及方法,首先设置不同类型数据的5种发送模式,即第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5,模式切换模块根据模式切换指令切换至相应的发送模式,数据发送处理模块将处理后的数据由相应的发射机发送,支持当一发射机发生故障时,可由另一发射机发送本该由一发射机发送的数据,从而在未配置硬件备份设备的情况下,实现了两类数据发送功能的冗余,提高了微小卫星数据发送功能的可靠性。 Satellite systems and methods to achieve fine redundant data transmission function according to the present invention, first provided five kinds of different types of data transmission modes, i.e., a first type of data transmitted by a first transmitter and a second type of data transmitted by the second transmitter mode 1, mode only the second type of data transmitted by the first transmitter 2, a first mode, only the mode data transmitted by the first type of transmitter 3, only the first type of data transmitted by the second transmitter 4, and only the mode of the second type of data transmitted by the second transmitter 5, the mode switching instruction to switch to the respective module switches the transmission mode according to the mode, the data transmission processing module processing the data transmitted by the respective transmitter, a transmitter occurs when the support failure, this may be another transmitter transmits the data transmitted by a transmitter, arranged so that in the absence of backup hardware devices, realized two redundant data transmission function, the transmission function reliably improved micro satellite data sex.

Description

实现微小卫星数据发送功能冗余的系统及方法 System and method for micro-satellite data transmission functions to achieve redundancy

技术领域 FIELD

[0001] 本发明涉及一种微小卫星通信系统,特别涉及一种实现微小卫星数据发送功能冗余的系统及方法。 [0001] The present invention relates to a micro-satellite communication systems, and more particularly to a system and method for realizing data transmission micro satellite functionally redundant.

背景技术 Background technique

[0002] 卫星属于复杂的系统工程,一般由能源、计算机、测控、通信、姿控、结构、温控等分系统组成,有极高的可靠性要求,为了避免单机故障导致的单点失效风险,卫星上的各设备一般都有硬件备份。 [0002] The satellite system is a complex project, a generally energy, computer, monitoring and control, communications, attitude control, structure, temperature control system components aliquoted, extremely high reliability is required, in order to avoid a single point of failure due to the risk of failure single each device on the satellite hardware generally have a backup.

[0003] 由于研制周期短、集成度高、费用低、设计灵活等特点,自上世纪80年代以来,国际上微小卫星的发展十分迅速,已有20多个国家和地区开展了微小卫星的研究和工程实践(参见:王晓海.微小卫星技术的发展现状及趋势.前沿技术2006.06 44-46)。 [0003] Due to the short development cycle, high integration, low cost, flexible design features, since the 1980s, the development of micro-satellite international very rapidly, more than 20 countries and regions launched a small satellite research and engineering practice (see: Wang Xiaohai development status and trend of cutting-edge technology micro-satellite technology 2006.06 44-46.). 我国在微小卫星技术领域的研究起步较晚,航天发展“十一五”规划将“积极开展微小型卫星研制及技术试验”作为一项重要的发展方向,自2000年I月清华大学首次成功发射“清华一号”小卫星至今,我国已发射了多颗微小卫星。 China's research in the field of micro-satellite technology started late, space development "Eleventh Five-Year Plan" will "actively carry out micro and small satellite development and technical test" as an important direction of development, since March 2000 I first successful launch of Tsinghua University "Tsinghua-1" small satellites so far, China has launched many small satellites.

[0004] 微小卫星由于具有质量轻、体积小、功耗低、研制周期短等诸多优点,日益受到国际航天界的重视(参见:林来兴.小卫星技术的发展和应用前景.中国航天2006.1143-47)。 [0004] Since the micro-satellite has a light weight, small size, low power consumption, short development cycle and many other advantages, more and more attention by the international aerospace industry (see: Lin Xing to develop small satellite technology and application prospects of China's space 2006.1143-47 ). 虽然资源有限,微小卫星同样有极高的可靠性要求。 Despite limited resources, small satellites also have high reliability requirements. 如果照搬大卫星的做法,配置硬件备份,虽能提高可靠性,但也大大增加了卫星的质量、体积、功耗,这可能是微小卫星总体所不能承受的,因此微小卫星上某些设备没有配置硬件备份,甚至一些重要的功能设备(如发射机等,这里的发射机机泛指将信号按一定频率发射出去的设备,可以分为用来下发卫星状态信息的遥测发射机,用来下发图片信息的数传发射机,用来下发用户各种业务数据的其它发射机等等)也不能配置硬件备份。 If you copy a large satellite approach, configuring hardware backup, although able to improve reliability, but also greatly increases the satellite's mass, volume, power consumption, which may be small satellite system can not afford, so the device is not certain micro-satellite backup hardware configuration, even some important functions of the device (such as a transmitter, where the transmitter device transmits a signal refers to machine out a certain frequency, the satellite can be divided into the status information sent to the telemetry transmitter, for the number of issued image information transmission transmitters, transmitters to send a variety of other user service data in the like) can not be configured backup hardware. 此前,卫星(包括微小卫星)上的发射机一般仅用来发送特定类型的数据,如遥测发射机仅用来发送遥测数据。 Prior to the transmitter, the satellite (including micro-satellite) is generally used to send only certain types of data, such as telemetry transmitters for transmitting telemetry data only. 这种情况下,对于未配置发射机硬件备份的微小卫星(这种配置很常见)来说,一旦某发射机发生故障,就会导致相应数据发送功能丧失,存在严重的单点失效隐患,如遥测发射机故障会导致遥测数据发送功能丧失,数传发射机故障会导致图片数据发送功能丧失等等。 In this case, the transmitter is not configured for hardware minute backup satellite (such a configuration is common), once a failure of the transmitter, the respective data transmission will cause loss of function, there is a serious risk of single point of failure, such as telemetry transmitter failure can lead to loss of function of telemetry data transmission, data transmission transmitter failure causes loss of picture data transmission function and so on. 如何避免单点失效,提高微小卫星数据下发的可靠性已成为本领域技术人员亟需解决的技术问题,迫切需要在不增加星上硬件资源的前提下拓展新的思路。 How to avoid single point of failure, improve technical problems issued by the tiny satellite data reliability has become a person skilled in the need to solve the urgent need to develop new ideas without increasing the hardware resources of the star on the premise.

发明内容 SUMMARY

[0005] 本发明的主要目的在于提供一种实现微小卫星数据发送功能冗余的系统及方法,以提高微小卫星的可靠性。 [0005] The main object of the present invention is to provide a system and method for micro satellite data transmission function implemented redundancy to improve the reliability of the micro-satellite.

[0006] 为达上述目的及其他目的,本发明的实现微小卫星数据发送功能冗余的系统,包括:设置在地面控制台且用于发送模式切换指令的模式指令发送模块、第一发射机、第二发射机、用于接收模式指令发送模块发送的模式切换指令,并根据指令启动模式设置模块设置微小卫星发送模式的模式指令处理模块、用于设置数据发送模式的模式设置模块;用于根据模式设置模块设置的当前发送模式启动数据发送处理模块对相应待发送的数据进行处理的模式切换模块,其中,处理后的数据都具有类型标识,发送模式包括:第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送 [0006] To achieve the above objects and other objects, the present invention is to realize functional redundancy micro satellite data transmission system, comprising: a console arranged on the ground and for transmitting the mode switching command mode instruction sending module, a first transmitter, a second transmitter, for receiving a mode command transmission mode switching instruction sending module, a processing module according to the instruction and instructs the start mode setting module micro-satellite mode transmission mode, data transmission mode for setting the mode setting module; according mode of the current transmission mode mode setting module the data transmission processing module corresponding to the data to be transmitted are processed switching module, wherein the processed data has a type identifier, the transmission mode comprising: a first type of data generated by the first transmitter and the second type of data transmission transmitted by a second transmitter mode, only the second type of mode data transmitted by the first transmitter 2, a first mode only the first type of data transmitted by the transmitter 3, only the first type a second data pattern transmitted by the transmitter 4, and only the second type of data sent by the second transmitter 的模式5。 Mode 5.

[0007] 此外,所述实现微小卫星数据发送功能冗余的系统还包括判断所述微小卫星是否处于通信弧段内,并根据判断结果来控制所述模式切换模块是否启动所述数据发送处理模块。 [0007] Further, to achieve the micro satellite data transmission system further comprises a redundant function of determining whether the satellite is in a slight arc communications, and controls the mode switching module based on the determination result whether to start transmitting the data processing module .

[0008] 本发明的实现微小卫星数据发送功能冗余的方法,包括步骤:1)设置不同类型数据的5种发送模式,即第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5 ;2)地面控制台发送模式切换指令;3)微小卫星上的模式切换指令处理模块接收所述模式切换指令,并根据所接收的模式切换指令,启动所述模式设置模块以设置所述微小卫星的发送模式;4)模式切换模块根据所述模式设置模块设置的当前发送模式,启动数据发送处理模块对相应待发送的数据进行处理,其中,处理后的数据都具有类型标识;5)所述数据发送处理模块将处理后的数据送至相应的发射机发 [0008] The micro-implemented method of satellite data transmission redundancy features of the present invention, comprising the steps of: 1) setting five kinds of different types of data transmission modes, i.e., a first type of data transmitted by the first transmitter and the second type data from the first model II transmitted by the transmitter 1, only the second type of mode mode data transmitted by the first transmitter 2, only the first type of data transmitted by the first transmitter 3, only the first type of data transmitted by a second transmitter mode 4 and mode only the second type of data transmitted by the second transmitter 5; 2) ground control mode switching command; 3) on Microsatellite mode switching command processing module receiving said mode switching instruction, and in accordance with the reception mode switching instruction, a start mode setting module to set the transmission mode of the micro satellite; 4) the current transmission mode switching module setting mode according to the mode setting module, to start transmitting a corresponding data processing module to be transmitted processing, wherein the processed data has a type identifier; 5 data) to the data transmission processing module to the respective transmitter hair treatment 送。 give away.

[0009] 此外,所述实现微小卫星数据发送功能冗余的方法还可包括判断所述微小卫星是否处于通信弧段内,并根据判断结果来控制所述模式切换模块是否启动所述数据发送处理模块的步骤。 [0009] In addition, micro-satellite data transmission method of the redundancy function implemented may further comprise determining whether the satellite is in a slight arc communications, and controls the mode switching module based on the determination result whether to start the data transmission process step module.

[0010] 综上所述,本发明的实现微小卫星数据发送功能冗余的系统及方法通过设置不同工作模式,可使第一数据能通过第二发射机发送,而第二数据能通过第一发射机发送,由此实现了两类数据发送功能的冗余,避免了某台发射机故障导致某类数据发送功能丧失的单点失效隐患,提高了微小卫星数据发送功能的可靠性。 [0010] In summary, micro satellite data transmission system and method of the functional redundancy of the present invention is achieved by setting different operating modes that the first data transmission via the second transmitter and the second data through a first the transmitter transmits, thereby enabling the two redundant data transmission function, to avoid a certain type of data transmitters failure causes loss of function of the transmitted single point of failure risk, improve the reliability of micro-satellite transmission function data.

附图说明 BRIEF DESCRIPTION

[0011] 图1为本发明的实现微小卫星数据发送功能冗余的系统基本结构示意图。 [0011] The basic structure of the schematic diagram of FIG. 1 minute to achieve functionally redundant satellite data transmission system of the invention.

具体实施方式 detailed description

[0012] 请参阅图1,本发明实现微小卫星数据发送功能冗余的系统至少包括:微小卫星及对所述微小卫星进行控制的地面控制台,其中,所述地面控制台至少设置有模式指令发送模块,所述微小卫星上至少设置有:模式设置模块、模式指令处理模块、模式切换模块、数据发送处理模块、第一发射机(即发射机I)、第二发射机(即发射机I)等。 [0012] Referring to FIG. 1, the present invention achieves fine functionally redundant satellite data transmission system comprising at least: a micro-satellite and ground for controlling the micro-satellite console, wherein the console is provided at least with a ground mode instruction sending module is provided with at least the micro-satellite: a mode setting module, the processing module mode instruction, the mode switching module, a data transmission processing module, a first transmitter (i.e., the transmitter I), a second transmitter (i.e., the transmitter I )Wait.

[0013] 所述模式指令发送模块用于设置不同类型数据的发送模式,其包括5种发送模式,即第一类型数据(即数据I)由第一发射机发送且第二类型数据(即数据2)由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5,请参见表1: [0013] The mode setting instruction transmitting means for transmitting data of different modes, which include five kinds of transmission modes, i.e. a first type of data (i.e., data I) transmitted by a first transmitter and the second type data (i.e., data 2) emitted by the second transmitter mode 1, only the second type of mode mode data transmitted by the first transmitter 2, only the first type of data transmitted by the first transmitter 3, only the first type data by a second pattern sent by a transmitter 4, and a second mode, only the second type of data transmitted by the transmitter 5, see Table 1:

[0014] 表I工作模式[0015] [0014] The operating mode table I [0015]

Figure CN101867436BD00051

[0016] 所述模式指令发送模块设置在地面,用于发送模式切换指令,例如,其发送从模式I切换至模式3的切换指令。 The [0016] transmission mode command module disposed on the ground, for transmitting a mode switching instruction, for example, switching from the transmission mode which is a mode switching instruction I to 3.

[0017] 所述模式指令处理模块设置在微小卫星上,用于接收所述模式指令发送模块所发送的模式切换指令,并根据所接收的模式切换指令,启动所述模式设置模块以设置所述微小卫星的发送模式,例如接收到从模式I切换至模式3的切换指令,则所述模式设置模块设置所述微小卫星的发送模式为模式3。 [0017] The mode instruction processing module is disposed on the micro-satellite, a mode instruction sending module receiving said mode switching instruction transmitted, and according to the received handover command mode, the starting mode setting module to set the micro-satellite transmission mode, for example, to switch from receiving mode to the mode switching instruction I 3, then the mode setting module sets the micro satellite transmission mode is mode 3.

[0018] 所述判断模块判断所述微小卫星当前是否处于通信弧段内,并根据判断结果来控制所述模式切换模块是否启动所述数据发送处理模块,若是,则使所述模式切换模块不启动所述数据发送处理模块,否则使所述模式切换模块不启动所述数据发送处理模块。 [0018] The determining module determines that the micro-satellite communication is currently in the arc, and to control the mode switching module based on the determination result whether to start transmitting the data processing module, and if yes, the mode switching module is not initiating the data transmission processing module, otherwise, the mode switching module does not start the transmission of the data processing module.

[0019] 所述模式切换模块用于根据所述模式设置模块设置的当前发送模式启动所述数据发送处理模块对相应待发送的数据进行处理,其中,处理后的数据都具有类型标识(即帧格式)。 [0019] The mode switching means for setting a current transmission mode according to the mode setting module initiating the data transmission processing module corresponding to the data to be transmitted are processed, wherein the processed data has a type identifier (i.e. frames format). 请参见表2: Refer to Table 2:

[0020] 表2数据处理 [0020] Table 2 Data processing

[0021] [0021]

Figure CN101867436BD00052

[0022] 本发明的实现微小卫星数据发送功能冗余的方法至少包括以下步骤:[0023] 第一步:设置不同类型数据的5种发送模式,即第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5,如表I所示。 [0022] The micro satellite data transmission method implemented functionally redundant to the present invention comprises at least the steps of: [0023] Step 1: Set 5 kinds of different types of data transmission modes, i.e., a first type of data transmitted by a first transmitter and mode of the second type of data transmitted by a second transmitter, a second mode mode, only the type of data transmitted by the first transmitter 2, only the first type of data transmitted by the first transmitter 3, only the first type data by the the second transmitter transmits the mode 4, mode and only the second type of data transmitted by the second transmitter 5, as shown in table I.

[0024] 第二步:地面控制台发送模式切换指令,例如发送从模式2切换至模式3的切换指。 [0024] Step: Ground console mode switching command, for example, switching from the transmission mode 2 refers to the mode 3.

[0025] 第三步:微小卫星上的模式切换指令处理模块接收所述模式切换指令,并根据所接收的模式切换指令,启动所述模式设置模块以设置所述微小卫星的当前发送模式为模式3。 [0025] The third step: the mode switching instruction Microsatellite processing module receives the mode switching command, and switches the mode according to the received instruction, starts the mode setting module to set the current micro-satellite transmission mode is Mode 3.

[0026] 第四步:判断模块判断所述微小卫星是否处于通信弧段内,若是,进入第五步,否则不启动所述数据发送处理模块。 [0026] The fourth step: determining whether the determination module is in the micro-satellite communications arc, if so, entering the fifth step, do not start the transmission of the data processing module.

[0027] 第五步:模式切换模块根据所述模式设置模块设置的当前发送模式为模式3,启动数据发送处理模块对对数据I进行采集、编码、组帧等处理,数据格式为帧格式I。 [0027] Fifth Step: mode switching module according to the current transmission mode of the mode setting module to mode 3, the data transmission processing module for processing the collected data I, encoding, framing and the like, the data format is a frame format I . 请参见表2,在各种模式下,数据发送处理模块对数据I和数据2分别进行相应处理。 See Table 2, in each mode, the data transmission module for data processing and data I 2 were treated accordingly.

[0028] 第六步:所述数据发送处理模块将处理后的数据送至相应的发射机予以发送,例如在模式3下,由发射机I下发数据I,而在模式2下,发射机I下发数据2等,具体参见表 [0028] Step Six: the data processing module transmitting the processed data to the respective transmitter to be transmitted, for example, in mode 3, data issued by the transmitter I I, while at mode 2, the transmitter 2 I issued data and the like, See Table

1 1

[0029] 综上所述,本发明的实现微小卫星数据发送功能冗余的系统及方法通过采用不同工作模式的控制,可使第一发射机发生故障时,改由第二发射机发送不同类型数据,也可当第二发射机发生故障时,改由第一发射机发送不同类型数据,由此可有效解决当某一发射机发生故障时导致相应数据无法发送的问题,进而可提高微小卫星的通信可靠性;而且本发明采用程序来控制同一下行通道发送不同类型的数据,也无需增加额外的硬件设备。 [0029] In summary, the system and method of satellite data transmission function realized micro redundant control by using the present invention for different operating modes, the transmitter can first fails, change the second transmitter sending different types data may also be when the second transmitter fails, sending different types of data changed by the first transmitter, whereby an effective solution to the transmitter when a failure results in a corresponding data can not be transmitted, and thus can improve the micro-satellite the reliability of communication; and the present invention uses the same procedure to control the downlink channel transmitting different types of data, and without additional hardware.

[0030] 本发明提出并成功应用的功能冗余一体化的设计方法,从微小卫星的特点出发,节省了宝贵的资源,解决了功能冗余的问题,提高了可靠性,为微小卫星的冗余设计提供了一个新的思路,可推广应用到常规卫星等多个空间技术领域,有很强的工程应用价值和广泛的推广意义。 [0030] The present invention has successfully applied the functional redundancy and integrated design approach, from the characteristics of small satellites, saving valuable resources to solve the problem of functional redundancy, improve the reliability, redundancy as small satellites I design provides a new way of thinking can be extended to more conventional fields of space technology such as satellites, has a strong engineering application value and extensive promotion sense.

[0031] 以上实施例仅用以说明而非限制本发明的技术方案。 [0031] The above embodiments are merely to illustrate and not limit the technical solution of the present invention. 不脱离本发明精神和范围的任何修改或局部替换,均应涵盖在本发明的权利要求范围当中。 Any modifications or partial without departing from the spirit and scope of the present invention is replacement, which should fall in the scope of claims of the present invention as claimed.

Claims (4)

  1. 1.一种实现微小卫星数据发送功能冗余的系统,其包括:设置在微小卫星上的第一发射机、第二发射机、以及数据发送处理模块,其特征在于还包括: 模式指令发送模块,设置在地面控制台,用于发送模式切换指令; 设置在微小卫星上的模式设置模块,用于设置不同类型数据的发送模式,其设置有5种发送模式,即第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5 ; 设置在微小卫星上的模式指令处理模块,用于接收所述模式指令发送模块所发送的模式切换指令,并根据所接收的模式切换指令,启动所述模式设置模块以设置所述微小卫星的当前发送模式 A micro-satellite system to achieve functional redundancy of transmitted data, comprising: a first transmitter disposed on the micro-satellite, a second transmitter, and a data transmission processing module, characterized by further comprising: mode command sending module , the floor console is provided for transmitting a mode switching instruction; disposed on the micro-satellite mode setting means for setting different modes of data transmission, which is provided with five kinds of transmission modes, i.e., a first data by a first type and a second transmitter transmits the second type of data transmitted from the transmitter 1 mode, a second mode mode, only the type of data transmitted by the first transmitter 2, only the first type of data transmitted by the first transmitter 3, only a pattern type data transmitted by the second transmitter 4, and only the second type of mode data transmitted by the second transmitter 5; setting mode in the micro-satellite command processing module, for receiving the mode instruction sending module the transmission mode switching command, and switches the mode according to the received instruction, starts the mode setting module to set the minute current satellite transmission mode 设置在微小卫星上的模式切换模块,用于根据所述模式设置模块设置的当前发送模式启动所述数据发送处理模块对相应待发送的数据进行处理,其中,处理后的数据都具有类型标识。 Mode is set in the micro-satellite switching module, the module for the current transmission mode according to the mode setting is provided to initiate transmission of the data processing module corresponding to the data to be transmitted are processed, wherein the processed data has a type identification.
  2. 2.如权利要求1所述的实现微小卫星数据发送功能冗余的系统,其特征在于还包括判断模块判断所述微小卫星是否处于通信弧段内,并根据判断结果来控制所述模式切换模块是否启动所述数据发送处理模块。 2. Micro-Satellite claimed implemented functionally redundant data transmission system according to claim 1, characterized by further comprising determining whether the determination module is in the micro-satellite communications arc, and controls the mode switching module according to the judgment result whether to start the data transmission processing module.
  3. 3.一种实现微小卫星数据发送功能冗余的方法,其特征在于包括步骤: I)设置不同类型数据的5种发送模式,即第一类型数据由第一发射机发送且第二类型数据由第二发射机发射的模式1、仅第二类型数据由第一发射机发送的模式2、仅第一类型数据由第一发射机发送的模式3、仅第一类型数据由第二发射机发送的模式4、及仅第二类型数据由第二发射机发送的模式5 ; 地面控制台发送模式切换指令; 微小卫星上的模式指令处理模块接收所述模式切换指令,并根据所接收的模式切换指令,启动设置在微小卫星上的模式设置模块以设置所述微小卫星的当前发送模式; 设置在微小卫星上的模式切换模块根据所述模式设置模块设置的当前发送模式,启动数据发送处理模块对相应待发送的数据进行处理,其中,处理后的数据都具有类型标识; 设置在微小卫星上的 A method of micro-satellite data transmission function to achieve redundancy, characterized by comprising the step of: I) provided five kinds of different types of data transmission modes, i.e., a first type of data transmitted by the first transmitter and the second type of data a second transmitter for transmitting the mode 1, only the second type data pattern transmitted by the first transmitter 2, a first mode only the first type of data transmitted by the transmitter 3, only the first type of data sent by the second transmitter mode 4 and mode only the second type of data transmitted by the second transmitter 5; floor console mode switching command; Microsatellite mode on command processing module receiving said mode switching command, and switches the mode according to the received instructions, starting a micro-satellite in the setting mode setting module to set the minute current satellite transmission mode; micro-satellite mode setting on the switch module is provided in the current transmission mode according to the mode setting module, the data transmission processing module corresponding to data to be transmitted are processed, wherein the processed data has a type identifier; disposed on the micro-satellite 据发送处理模块将处理后的数据送至设置在微小卫星上的发射机发送。 According to the data transmission processing module is provided to the process transmitter on the micro-satellite transmission.
  4. 4.如权利要求3所述的一种实现微小卫星数据发送功能冗余的方法,其特征在于还包括判断模块判断所述微小卫星是否处于通信弧段内,并根据判断结果来控制所述模式切换模块是否启动所述数据发送处理模块的步骤。 4. An implement according to claim 3 micro satellite functionally redundant data transmission method, characterized by further comprising determining whether the determination module is in the micro-satellite communications arc, and to control the mode according to the determination result the step of transmitting said data processing module is a switching module is started.
CN 200910049295 2009-04-14 2009-04-14 System and method for realizing minimal satellite data sending functional redundancy CN101867436B (en)

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CN1697499A (en) 2004-05-12 2005-11-16 三星电子株式会社 Apparatus and method for receiving digital multimedia broadcasting in a wireless terminal
CN101123487A (en) 2007-09-29 2008-02-13 航天东方红卫星有限公司 An implementation for star network bus redundancy backup

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CN1697499A (en) 2004-05-12 2005-11-16 三星电子株式会社 Apparatus and method for receiving digital multimedia broadcasting in a wireless terminal
CN101123487A (en) 2007-09-29 2008-02-13 航天东方红卫星有限公司 An implementation for star network bus redundancy backup

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