Article(id=1236637185680666998, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20260111, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1724688000000, receivedDateStr=2024-08-27, revisedDate=1766505600000, revisedDateStr=2025-12-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1772766880673, onlineDateStr=2026-03-06, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772766880673, onlineIssueDateStr=2026-03-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772766880673, creator=13701087609, updateTime=1772766880673, updator=13701087609, issue=Issue{id=1236637183357022580, tenantId=1146029695717560320, journalId=1146119989267898375, year='2026', volume='49', issue='1', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772766880120, creator=13701087609, updateTime=1772766950597, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236637479047066471, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236637479047066472, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=84, endPage=91, ext={EN=ArticleExt(id=1236637186284646779, articleId=1236637185680666998, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Design of Unified Real-time Network for New Generation Distributed Rocket-borne Electrical System, columnId=1154067057713861201, journalTitle=Missiles and Space Vehicles, columnName=Test Control and Communication, runingTitle=null, highlight=null, articleAbstract=
The new generation of rocket-borne electrical system architecture fully embodies the characteristics of distributed information synthesis, which can realize the physical separation of rocket-borne electrical system, information sharing and dynamic resource allocation through appropriate unified real-time network design, reduce the impact of cross-domain information interaction, and improve the determinacy, reliability and fault-tolerant ability of system networking. Combined with the different real-time guarantee ability of real-time network flow control mechanisms, the information transmission requirements of rocket-borne integrated electronic system are analyzed, the time-sensitive flow control mechanisms are selected, the message and traffic type are matched, the time trigger window is designed through the joint optimization of path and scheduling, and the network simulation model is built using the OMNet++ to simulate and evaluate the performance of the network system. Through simulation, the matching relationship between all traffic and time-sensitive network flow control mechanisms in typical rocket-borne integrated electronic system are verified, and the feasibility of time-sensitive network application in rocket-borne integrated electronic system is demonstrated.
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新一代箭载电气系统体系架构充分体现了分布式信息综合的特征,可通过适当的统一实时网络设计实现箭载电气系统的物理分立、信息共享和资源动态分配,减少跨域信息交互的影响,提高系统组网的确定性、可靠性和容错能力。结合实时网络流控机制不同的实时保障能力,对箭载综合电子系统信息传输需求进行分析,进行了时间敏感流控机制选择,实施了消息与流量类型的匹配,通过路径和调度的联合优化完成了时间触发窗口的设计,并利用OMNet++搭建网络仿真模型对网络系统的性能进行了仿真评价。通过仿真,验证了典型箭载综合电子系统中所有流量与时间敏感网络流控机制的匹配关系,展示了时间敏感网络在箭载综合电子系统中应用的可行性。
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施 睿(1988—),男,高级工程师,主要研究方向为航天电子、通信技术。
隗同坤(1994—),女,工程师,主要研究方向为航天电气系统。
刘箭言(1989—),男,高级工程师,主要研究方向为航天电子、通信技术。
薛志超(1982—),男,高级工程师,主要研究方向为航天电子、通信技术。
叶 威(1986—),男,高级工程师,主要研究方向为航天电气系统。
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施 睿(1988—),男,高级工程师,主要研究方向为航天电子、通信技术。
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施 睿(1988—),男,高级工程师,主要研究方向为航天电子、通信技术。
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隗同坤(1994—),女,工程师,主要研究方向为航天电气系统。
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刘箭言(1989—),男,高级工程师,主要研究方向为航天电子、通信技术。
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薛志超(1982—),男,高级工程师,主要研究方向为航天电子、通信技术。
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叶 威(1986—),男,高级工程师,主要研究方向为航天电气系统。
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叶 威(1986—),男,高级工程师,主要研究方向为航天电气系统。
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9(15): 13353-13363., articleTitle=Learning-based scalable scheduling and routing co-design with stream similarity partitioning for time-sensitive networking, refAbstract=null)], funds=[Fund(id=1236665820768695016, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, awardId=92271119, language=CN, fundingSource=国家自然科学基金(92271119), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1236665813659349523, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, xref=null, ext=[AuthorCompanyExt(id=1236665813663543828, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, companyId=1236665813659349523, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Key Laboratory of Science and Technology on Space Physics, Beijing, 100076), AuthorCompanyExt(id=1236665813671932437, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, companyId=1236665813659349523, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=空间物理重点实验室,北京,100076)])], figs=[ArticleFig(id=1236665817555858083, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Fig.1, caption=
Typical rocket-borne electrical system architecture, figureFileSmall=CDM8x2YE+7zpdNWUQlXYsA==, figureFileBig=Hz8Jii9JXoue/3cxybxx1Q==, tableContent=null), ArticleFig(id=1236665817660715687, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=图1, caption=
典型箭载电气系统架构, figureFileSmall=CDM8x2YE+7zpdNWUQlXYsA==, figureFileBig=Hz8Jii9JXoue/3cxybxx1Q==, tableContent=null), ArticleFig(id=1236665817765573293, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Fig.2, caption=
The joint optimization for path and scheduling, figureFileSmall=NS0R/mMuxp+AvCt7lN4VNg==, figureFileBig=KT4kQCnoKanzi5SAy1ACBg==, tableContent=null), ArticleFig(id=1236665817883013808, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=图2, caption=
路径和调度联合优化设计, figureFileSmall=NS0R/mMuxp+AvCt7lN4VNg==, figureFileBig=KT4kQCnoKanzi5SAy1ACBg==, tableContent=null), ArticleFig(id=1236665817979482802, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Fig.3, caption=
The simulation models, figureFileSmall=uKEZXXQ9ueS96djrx+GD+A==, figureFileBig=QyXGNwz3YZdb4XzMvFttDA==, tableContent=null), ArticleFig(id=1236665818109506228, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=图3, caption=
网络仿真模块, figureFileSmall=uKEZXXQ9ueS96djrx+GD+A==, figureFileBig=QyXGNwz3YZdb4XzMvFttDA==, tableContent=null), ArticleFig(id=1236665818193392311, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Fig.4, caption=
The port model in out simulation system, figureFileSmall=dGvFdrrxQfb0Vgq+Qoi4Pw==, figureFileBig=7pgIHSVFqpOgs9Reflwbsg==, tableContent=null), ArticleFig(id=1236665818294055614, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=图4, caption=
仿真系统中的端口模型, figureFileSmall=dGvFdrrxQfb0Vgq+Qoi4Pw==, figureFileBig=7pgIHSVFqpOgs9Reflwbsg==, tableContent=null), ArticleFig(id=1236665818403107524, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Tab.1, caption=
Comparison of different flow control mechanisms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 核心 算法 | 标准 | 机制 | 描述 | 时延 | 抖动 | 优缺点 | 应用 |
|---|
| CBS | 信用量整形算法 | IEEE 802.1 Qav 时延敏感流的转发与排队 | 异步 | 通过信用量的增长和消耗规则,控制音视频流在一定带宽保障的前提下转发,并控制其突发度 | 大 | 较小 | 通过逻辑带宽提供较为稳定的消息传输,支持突发流量传输,但平均时延较大 | 突发流量有限,支持一定时延容忍的小规模网络,对简单音视频流数据传输提供较好的支持 |
| SP | 静态优先级调度算法 | IEEE 802.1 Q 严格优先级 | 异步 | 按照优先级顺序进行 调度转发 | 大 | 高优先级流的抖动较大 | 保障不同优先级流的服务质量,但优先级反转会大幅度增加延迟 | 优先级规定、无优先级反转的简单网络,对于消息传输的抖动无严格要求的网络 |
| TAS | 时间感知整形算法 | IEEE 802.1 Qbv 流调度增强,时间感知整形 | 同步 | 优先级队列后增加门控阵列控制帧按照时间窗口调度输出 | 较小 | 小 | 通过时间隔离不同类流量的传输,但需要严格的时间同步 | 支持混合优先级传输,支持复杂配置和管理的大型网络 |
| FP | 帧抢占算法 | IEEE 802.1 Qbu 帧抢占 | 异步 | 高优先级帧可以抢占正在传输的低优先级帧,但需要保证最小可抢占单元长度 | 高优先级流时延小 | 高优先级流抖动小 | 明显优于SP策略下的高优先级流的时延,但是低优先级消息的传输存在较大不确定性,如果考虑TAS的保护间隔的问题,FP策略有可能会对高低优先级消息传输都带来潜在的好处 | 存在优先级反转现象或具有截止期限特性的问题 |
| CQF | 循环排队与转发算法 | IEEE 802.1 Qch 循环排队与转发 | 同步 | 以循环方式同步帧的传输 | 较小 | 小 | 可获得确定的网络时延,但需要考虑周期时间对齐的问题 | 对拥塞性能要求和实时性能要求较高的网络 |
ATS (UBS) | 异步流整形算法 | IEEE 802.1 Qcr | 异步 | 按照优先级和合格时间对速率控制的帧进行调度输出 | 较小 | 较小 | 高效利用带宽,竞争导致因特网流时延性能下降 | 无需时间同步,混合流量负载的网络 |
| RC-policing | 速率约束整形-流量管制算法 | ARINC 664 P7 航空电子全双工交换式以太网 | 异步 | 基于逻辑带宽约束的流量整形,附流量管制算法对异常流量进行进一步的约束 | 大 | 高优先级流的抖动较大 | 通过逻辑带宽提供源端较稳定的消息传输,但交换路径中缺乏进一步的整形机制,虽然提供流量管制算法对异常流量进行约束,但缺乏逻辑带宽的精细化调控机制 | 存在确定性传输需求,但对于消息传输的抖动无严格要求的网络 |
| TT-TDMA | 时间触发-时分复用算法 | AS 6802 时间触发以太网 | 同步 | 基于全局时间同步,按照离线设计的时间触发窗口进行调度 | 较小 | 小 | 针对单独流的全局时间触发调度,确定性强,但是整网耦合性强,可扩展性一般,配置参数多且复杂 | 支持混合优先级传输,且需要高确定性消息传输保障的组网场景,需要具备拜占庭故障的时钟同步算法 |
), ArticleFig(id=1236665818512159430, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=表1, caption=
流控机制简要对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 核心 算法 | 标准 | 机制 | 描述 | 时延 | 抖动 | 优缺点 | 应用 |
|---|
| CBS | 信用量整形算法 | IEEE 802.1 Qav 时延敏感流的转发与排队 | 异步 | 通过信用量的增长和消耗规则,控制音视频流在一定带宽保障的前提下转发,并控制其突发度 | 大 | 较小 | 通过逻辑带宽提供较为稳定的消息传输,支持突发流量传输,但平均时延较大 | 突发流量有限,支持一定时延容忍的小规模网络,对简单音视频流数据传输提供较好的支持 |
| SP | 静态优先级调度算法 | IEEE 802.1 Q 严格优先级 | 异步 | 按照优先级顺序进行 调度转发 | 大 | 高优先级流的抖动较大 | 保障不同优先级流的服务质量,但优先级反转会大幅度增加延迟 | 优先级规定、无优先级反转的简单网络,对于消息传输的抖动无严格要求的网络 |
| TAS | 时间感知整形算法 | IEEE 802.1 Qbv 流调度增强,时间感知整形 | 同步 | 优先级队列后增加门控阵列控制帧按照时间窗口调度输出 | 较小 | 小 | 通过时间隔离不同类流量的传输,但需要严格的时间同步 | 支持混合优先级传输,支持复杂配置和管理的大型网络 |
| FP | 帧抢占算法 | IEEE 802.1 Qbu 帧抢占 | 异步 | 高优先级帧可以抢占正在传输的低优先级帧,但需要保证最小可抢占单元长度 | 高优先级流时延小 | 高优先级流抖动小 | 明显优于SP策略下的高优先级流的时延,但是低优先级消息的传输存在较大不确定性,如果考虑TAS的保护间隔的问题,FP策略有可能会对高低优先级消息传输都带来潜在的好处 | 存在优先级反转现象或具有截止期限特性的问题 |
| CQF | 循环排队与转发算法 | IEEE 802.1 Qch 循环排队与转发 | 同步 | 以循环方式同步帧的传输 | 较小 | 小 | 可获得确定的网络时延,但需要考虑周期时间对齐的问题 | 对拥塞性能要求和实时性能要求较高的网络 |
ATS (UBS) | 异步流整形算法 | IEEE 802.1 Qcr | 异步 | 按照优先级和合格时间对速率控制的帧进行调度输出 | 较小 | 较小 | 高效利用带宽,竞争导致因特网流时延性能下降 | 无需时间同步,混合流量负载的网络 |
| RC-policing | 速率约束整形-流量管制算法 | ARINC 664 P7 航空电子全双工交换式以太网 | 异步 | 基于逻辑带宽约束的流量整形,附流量管制算法对异常流量进行进一步的约束 | 大 | 高优先级流的抖动较大 | 通过逻辑带宽提供源端较稳定的消息传输,但交换路径中缺乏进一步的整形机制,虽然提供流量管制算法对异常流量进行约束,但缺乏逻辑带宽的精细化调控机制 | 存在确定性传输需求,但对于消息传输的抖动无严格要求的网络 |
| TT-TDMA | 时间触发-时分复用算法 | AS 6802 时间触发以太网 | 同步 | 基于全局时间同步,按照离线设计的时间触发窗口进行调度 | 较小 | 小 | 针对单独流的全局时间触发调度,确定性强,但是整网耦合性强,可扩展性一般,配置参数多且复杂 | 支持混合优先级传输,且需要高确定性消息传输保障的组网场景,需要具备拜占庭故障的时钟同步算法 |
), ArticleFig(id=1236665818751234763, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Tab.2, caption=
Bandwidth requirements for typical information flow communication
, figureFileSmall=null, figureFileBig=null, tableContent=
| 功能 | 输入 | 输出 | 输入周期/ms | 等效接收消息长度/Byte | 输入带宽需求/(Mbit·s-1) | 输出周期/ms | 等效发送消息长度/Byte | 输出带宽需求/(Mbit·s-1) |
|---|
| 惯性导航 | 惯组脉冲数 | 修正后的速度 位置姿态 | 5 | 18 | 0.028 8 | 5 | 40 | 0.064 |
| 卫星导航 | 导航接收机原始导航参数 | 500 | 12 | 0.000 192 | 5 | 40 | 0.064 |
| 星光导航 | 星敏感器四元数 | 100 | 16 | 0.001 28 | 5 | 40 | 0.064 |
| 光学感知 | 光学图像 | 机动控制信息 | 20 | 262 144或 1 500 MTU×175包 | 104.857 6 | 5 | 8 | 0.012 8 |
| 雷达感知 | 雷达图像 | 机动控制信息 | 20 | 131 072×8或 1 500 MTU×88×8包 | 419.430 4 | 5 | 8 | 0.012 8 |
| 摄动制导 | 时间速度位置姿态、机动控制信息 | 舵偏 | 5 | 48 | 0.076 8 | 5 | 16 | 0.025 6 |
| 自适应制导 | 时间速度位置姿态、机动控制信息 | 舵偏 | 5 | 48 | 0.076 8 | 5 | 16 | 0.025 6 |
摄像头数据 压缩 | 摄像头原始图像 | 压缩图像 | 20 | 262 144×8或 1 500 MTU×175×8包 | 838.860 8 | 20 | 100 000或 1 500 MTU×67包 | 40 |
| 遥测数据综合 | 原始遥测数据流(传感器数据、压缩图像数据等) | 遥测综合数据帧 | 25 | 312 500或 1 500 MTU×209包 | 100 | 25 | 312 500或 1 500 MTU×209包 | 100 |
| 突发数据 | 突发任务输入 | 突发结果输出 | 10(假定) | 125 000或 1 500 MTU×84包 | 100 | 10(假定) | 125 000或 1 500 MTU×84包 | 100 |
), ArticleFig(id=1236665818851898064, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=表2, caption=
典型信息流通信带宽需求
, figureFileSmall=null, figureFileBig=null, tableContent=
| 功能 | 输入 | 输出 | 输入周期/ms | 等效接收消息长度/Byte | 输入带宽需求/(Mbit·s-1) | 输出周期/ms | 等效发送消息长度/Byte | 输出带宽需求/(Mbit·s-1) |
|---|
| 惯性导航 | 惯组脉冲数 | 修正后的速度 位置姿态 | 5 | 18 | 0.028 8 | 5 | 40 | 0.064 |
| 卫星导航 | 导航接收机原始导航参数 | 500 | 12 | 0.000 192 | 5 | 40 | 0.064 |
| 星光导航 | 星敏感器四元数 | 100 | 16 | 0.001 28 | 5 | 40 | 0.064 |
| 光学感知 | 光学图像 | 机动控制信息 | 20 | 262 144或 1 500 MTU×175包 | 104.857 6 | 5 | 8 | 0.012 8 |
| 雷达感知 | 雷达图像 | 机动控制信息 | 20 | 131 072×8或 1 500 MTU×88×8包 | 419.430 4 | 5 | 8 | 0.012 8 |
| 摄动制导 | 时间速度位置姿态、机动控制信息 | 舵偏 | 5 | 48 | 0.076 8 | 5 | 16 | 0.025 6 |
| 自适应制导 | 时间速度位置姿态、机动控制信息 | 舵偏 | 5 | 48 | 0.076 8 | 5 | 16 | 0.025 6 |
摄像头数据 压缩 | 摄像头原始图像 | 压缩图像 | 20 | 262 144×8或 1 500 MTU×175×8包 | 838.860 8 | 20 | 100 000或 1 500 MTU×67包 | 40 |
| 遥测数据综合 | 原始遥测数据流(传感器数据、压缩图像数据等) | 遥测综合数据帧 | 25 | 312 500或 1 500 MTU×209包 | 100 | 25 | 312 500或 1 500 MTU×209包 | 100 |
| 突发数据 | 突发任务输入 | 突发结果输出 | 10(假定) | 125 000或 1 500 MTU×84包 | 100 | 10(假定) | 125 000或 1 500 MTU×84包 | 100 |
), ArticleFig(id=1236665818969338582, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Tab.3, caption=
The joint optimization constriction for path and scheduling
, figureFileSmall=null, figureFileBig=null, tableContent=
| 约束类型 | 约束名称 | 约束含义 |
|---|
调 度 约 束 | 窗口定义 | 窗口开闭应在整体调度周期以内,同时源端窗口开启时刻与流量偏置匹配 |
| 窗口顺序 | 同一时刻只能有一个时间触发类流量队列开启,其他关闭 |
| 窗口大小 | 流量负载、帧长等特性,保障相关帧能在窗口内完整传输 |
| 流量周期 | 超周期流量调度 |
| 流量传输 | 路径中同一流量帧的前后顺序,同时考虑网络时钟精度常数以补偿同步误差 |
| 流量隔离 | 不同流量到达节点后转发的先后顺序 |
路 由 约 束 | 端系统 | 流量只能从源端系统流出,并流入目的端系统,而不流经其他端系统及相连交换机 |
| 交换机 | 流量如果流入某个交换机,则也将从该交换机流出 |
| 无回环 | 流量在沿路径传输过程中,不会多次经过相同的网络节点 |
| 联合约束 | 路由规划 | 调度偏置变量所面向的逻辑链路应为流量路由所流经的逻辑链路 |
| 用户约束 | 抖动约束 | 源端、目的端有限抖动 |
| 端到端延迟 | 流量从源端到目的端时延不超过截止期限 |
), ArticleFig(id=1236665820420567771, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=表3, caption=
路径和调度联合优化约束
, figureFileSmall=null, figureFileBig=null, tableContent=
| 约束类型 | 约束名称 | 约束含义 |
|---|
调 度 约 束 | 窗口定义 | 窗口开闭应在整体调度周期以内,同时源端窗口开启时刻与流量偏置匹配 |
| 窗口顺序 | 同一时刻只能有一个时间触发类流量队列开启,其他关闭 |
| 窗口大小 | 流量负载、帧长等特性,保障相关帧能在窗口内完整传输 |
| 流量周期 | 超周期流量调度 |
| 流量传输 | 路径中同一流量帧的前后顺序,同时考虑网络时钟精度常数以补偿同步误差 |
| 流量隔离 | 不同流量到达节点后转发的先后顺序 |
路 由 约 束 | 端系统 | 流量只能从源端系统流出,并流入目的端系统,而不流经其他端系统及相连交换机 |
| 交换机 | 流量如果流入某个交换机,则也将从该交换机流出 |
| 无回环 | 流量在沿路径传输过程中,不会多次经过相同的网络节点 |
| 联合约束 | 路由规划 | 调度偏置变量所面向的逻辑链路应为流量路由所流经的逻辑链路 |
| 用户约束 | 抖动约束 | 源端、目的端有限抖动 |
| 端到端延迟 | 流量从源端到目的端时延不超过截止期限 |
), ArticleFig(id=1236665820525425374, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=EN, label=Tab.4, caption=
The delay for flows
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| 消息 | 数据源、目的端 | 数据关键性 | 最大延迟/μs | 最小延迟/μs | 延迟均值/μs |
|---|
| Msg01 | 惯导->通用处理平台1 | 高(延时<20 μs) | 0.189 | 0.188 | 0.189 |
| Msg02 | 导航接收机->通用处理平台2 | 低 | 0.180 | 0.180 | 0.180 |
| Msg03 | 星敏感器->通用处理平台2 | 低 | 0.186 | 0.063 | 0.161 |
| Msg04 | 光学感知->通用处理平台1 | 中(延时<1 ms) | 253.2 | 253.2 | 253.2 |
| Msg05~Msg12 | 雷达感知->通用处理平台3 | 中(延时<1 ms) | 243.1 | 242.9 | 243.0 |
| Msg13, Msg14 | 舵机->通用处理平台1 | 高(延时<20 μs) | 0.117 | 0.097 | 0.107 |
| Msg15~Msg22 | 摄像头->通用处理平台4 | 低 | 243.1 | 242.9 | 242.9 |
| Msg23 | 传感网络->通用处理平台2 | 低 | 302.2 | 302.2 | 302.2 |
| Msg24(突发) | 综合射频->通用处理平台1 | 高(单帧延时<20 μs) | 124.5(单帧1.482) | 122.2(单帧1.454) | 122.9(单帧1.463) |
| Msg30, Msg33,Msg35, Msg36 | 通用处理平台1->舵机 | 高(延时<20 μs) | 0.186 | 0.033 | 0.094 |
| Msg31, Msg32 | 通用处理平台2->舵机 | 高(延时<20 μs) | 0.448 | 0.448 | 0.448 |
| Msg34 | 通用处理平台3->舵机 | 高(延时<20 μs) | 0.026 | 0.024 | 0.025 |
| Msg37 | 通用处理平台4->通用处理平台1 | 低 | 904.1 | 904.1 | 904.1 |
| Msg38 | 通用处理平台2->通用处理平台1 | 低 | 904.1 | 904.1 | 904.1 |
| Msg39(突发) | 通用处理平台1->通用处理平台2 | 高(单帧延时<20 μs) | 337.1(单帧4.013) | 337.1(单帧4.013) | 337.1(单帧4.013) |
), ArticleFig(id=1236665820596728545, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637185680666998, language=CN, label=表4, caption=
流量时延对照表
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| 消息 | 数据源、目的端 | 数据关键性 | 最大延迟/μs | 最小延迟/μs | 延迟均值/μs |
|---|
| Msg01 | 惯导->通用处理平台1 | 高(延时<20 μs) | 0.189 | 0.188 | 0.189 |
| Msg02 | 导航接收机->通用处理平台2 | 低 | 0.180 | 0.180 | 0.180 |
| Msg03 | 星敏感器->通用处理平台2 | 低 | 0.186 | 0.063 | 0.161 |
| Msg04 | 光学感知->通用处理平台1 | 中(延时<1 ms) | 253.2 | 253.2 | 253.2 |
| Msg05~Msg12 | 雷达感知->通用处理平台3 | 中(延时<1 ms) | 243.1 | 242.9 | 243.0 |
| Msg13, Msg14 | 舵机->通用处理平台1 | 高(延时<20 μs) | 0.117 | 0.097 | 0.107 |
| Msg15~Msg22 | 摄像头->通用处理平台4 | 低 | 243.1 | 242.9 | 242.9 |
| Msg23 | 传感网络->通用处理平台2 | 低 | 302.2 | 302.2 | 302.2 |
| Msg24(突发) | 综合射频->通用处理平台1 | 高(单帧延时<20 μs) | 124.5(单帧1.482) | 122.2(单帧1.454) | 122.9(单帧1.463) |
| Msg30, Msg33,Msg35, Msg36 | 通用处理平台1->舵机 | 高(延时<20 μs) | 0.186 | 0.033 | 0.094 |
| Msg31, Msg32 | 通用处理平台2->舵机 | 高(延时<20 μs) | 0.448 | 0.448 | 0.448 |
| Msg34 | 通用处理平台3->舵机 | 高(延时<20 μs) | 0.026 | 0.024 | 0.025 |
| Msg37 | 通用处理平台4->通用处理平台1 | 低 | 904.1 | 904.1 | 904.1 |
| Msg38 | 通用处理平台2->通用处理平台1 | 低 | 904.1 | 904.1 | 904.1 |
| Msg39(突发) | 通用处理平台1->通用处理平台2 | 高(单帧延时<20 μs) | 337.1(单帧4.013) | 337.1(单帧4.013) | 337.1(单帧4.013) |
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