Process control net modelling and analyzing for satellite test and evaluation in launch site
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摘要:
发射场卫星试验鉴定流程控制联合考虑试验鉴定过程模型和试验科目，实现对试验鉴定的流程控制。目前发射场卫星技术流程以文字和图片描述，在节点状态和约束迁移方面存在量化问题，无法构建形式化模型以嵌入自动化试验鉴定评估系统。以网模型为基础，构造发射场卫星试验鉴定流程控制网模型，并提出配套结构分析和性能分析方法，实现量化的可达性、作业不确定性和资源竞争性等分析内容，支持并行多星多任务的评估分析，从而支撑发射场卫星试验鉴定流程管理中试验鉴定方案设计及卫星流程模型优化设计等工作。
Abstract:During the prelaunch phase, the process control combines test models with subjects to enable the design and modification of satellite test and evaluation procedures. Since non-structural words and images are mostly used to describe and build the technical process of the satellite at the launch site, it is difficult to quantify state transportation and constraint issues and prohibits formalization in the automation mission system. This paper proposes the process control net model and the related analysis method for satellite test and evaluation at the launch site. The provided model and methodology enable accessibility, work uncertainty, and resource competition quantitative scheduling analysis for satellites' many and parallel jobs. These quantification abilities are helpful to support the scheme design and process optimization of satellite tests and evaluations.
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Key words:
- launch site /
- satellite /
- test evaluation /
- Petri net /
- process control net
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图 1 发射场卫星试验鉴定流程控制网模型
Figure 1. Process control net model of satellite test and evaluation in launch site
图 2 某4星数管分系统串行试验鉴定项目的分解
Figure 2. Detailed item of process control net model for four satellites
表 1 发射场卫星流程控制模型状态示例
Table 1. States example of satellite process control net model in launch site
过程 业务内容 状态 发射场技术区测试 卫星加电正常 P4_1 卫星遥测遥控正常 P4_2 供配电分系统试验完成 P4_3 数管分系统试验完成 P4_4 $\vdots$ $\vdots$ 发射场太阳翼/天线
安装及展开试验太阳翼/天线等
展开架工装到位P5_1 $\vdots$ $\vdots$ $\vdots$ $\vdots$ $\vdots$ 
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表 2 发射场卫星流程控制模型变迁示例
Table 2. Transition example of satellite process control net model in launch site
过程 业务内容 变迁 平均作业时间/d 发射场技术区测试 供电检查 T4_1 0.1 遥测遥控检查 T4_2 0.1 供配电分系统试验 T4_3 4 数管分系统试验 T4_4 4 $\vdots$ $\vdots$ $\vdots$ $\vdots$ $\vdots$ $\vdots$ $\vdots$
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表 3 结构分析初始状态
Table 3. Initial values for structure analysis
序号 变量 1 $\Delta {\boldsymbol{t} } = \left[ {0.2,0.2,2,3,1,2,2,4,1,0.5,1,1,0.5,2} \right]$ 2 ${\boldsymbol{M} }_{S{\text{,I} } }^{\left( 1 \right)} = \left[ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} \right]$ 3 ${\boldsymbol{M} }_{S{\text{,O} } }^{\left( 1 \right)} = \left[ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} \right]$ 4 ${\boldsymbol{M} }_{T{\text{,I} } }^{\left( 1 \right)} = \left[ {0,0,0,0,0,0,0,0,0,0,0,0,0,0} \right]$ 5 ${\boldsymbol{M} }_{T{\text{,O} } }^{\left( 1 \right)} = \left[ {0,0,0,0,0,0,0,0,0,0,0,0,0,0} \right]$
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表 4 变迁和状态激活记录
Table 4. Transition and state activation records
迭代次数 激活时间/d $ {\boldsymbol{M}}_{T{\text{,O}}}^{} $变迁激活 $ {\boldsymbol{M}}_{S{\text{,I}}}^{} $状态激活 1 0 T4_1 P3_1 2 0.2 T4_2 P4_1 3 0.4 T4_3，T4_6，T4_7 P4_2 4 2.4 T4_10 P4_3，P4_5，P4_6 5 2.9 T4_4，T4_9，T4_11，T4_13 6 3.4 T4_5，T4_8 P4_4，P4_9，P4_12 7 4.4 T4_12 P4_7，P4_8 8 5.4 T4_14 P4_14 9 6.4 P4_11,P4_15
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表 5 性能分析初始状态
Table 5. Initial values for performance analysis
序号 变量 1 $\Delta { {\boldsymbol{t} }_{\text{E} } } = {\left[ {0.5,1,1,0.5,1,1,0.5,1,1,0.5,1,1} \right]^{\text{T} } }$ 2 $\Delta { {\boldsymbol{t} }_{\text{S} } } = {\left[ {0.3,0.8,0.8,0.3,0.8,0.8,0.3,0.8,0.8,0.3,0.8,0.8} \right]^{\text{T} } }$ 3 $\Delta { {\boldsymbol{t} }_{\text{L} } } = {\left[ {0.7,1.2,1.2,0.7,1.2,1.2,0.7,1.2,1.2,0.7,1.2,1.2} \right]^{\text{T} } }$ 4 $\Delta {\boldsymbol{s} } = {\left[ {3,4} \right]^{\text{T} } }$ 5 ${\boldsymbol{r} } = \left[ \begin{gathered} 1,2,2,1,2,2,1,2,2,1,2,2 \\ 1,2,1,1,2,1,1,2,1,1,2,1 \\ \end{gathered} \right]$ 6 $ {\boldsymbol{M}}_{S{\text{,I}}}^{\left( 1 \right)} = {\left[ {1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0} \right]^{\text{T}}} $ 7 ${\boldsymbol{M} }_{S{\text{,O} } }^{\left( 1 \right)} = {\left[ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} \right]^{\text{T} } }$ 8 ${\boldsymbol{M} }_{T{\text{,I} } }^{\left( 1 \right)} = {\left[ {0,0,0,0,0,0,0,0,0,0,0,0} \right]^{\text{T} } }$ 9 ${{\boldsymbol{M}}}_{T\text{,O} }^{\left(1\right)}={\left[0,0,0,0,0,0,0,0,0,0,0,0\right]}^{\text{T} }$
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表 6 变迁激活记录
Table 6. Transition activation records
迭代次数 激活时间/天 变迁激活 ${\boldsymbol{M} }_{T{\text{,I} } }^{}$ ${\boldsymbol{M} }_{T{{,{\rm{I}}\_{\rm{X}}} } }$ ${\boldsymbol{M} }_{T{\text{,O} } }^{}$ 1 0 S1_T4_4_1
S2_T4_4_1
S3_T4_4_1
S4_T4_4_1S1_T4_4_1
S2_T4_4_1
S3_T4_4_1S1_T4_4_1
S2_T4_4_1
S3_T4_4_12 0.5 S1_T4_4_2
S2_T4_4_2
S3_T4_4_2S4_T4_4_1
S1_T4_4_2S4_T4_4_1 3 1 S4_T4_4_2 S1_T4_4_2 4 1.5 S1_T4_4_3 S1_T4_4_3 S1_T4_4_3 5 2.5 S2_T4_4_2 S2_T4_4_2 6 3.5 S2_T4_4_3 S2_T4_4_3 S2_T4_4_3 7 4.5 S3_T4_4_2 S3_T4_4_2 8 5.5 S3_T4_4_3 S3_T4_4_3 S3_T4_4_3 9 6.5 S4_T4_4_2 S4_T4_4_2 10 7.5 S4_T4_4_3 S4_T4_4_3 S4_T4_4_3
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表 7 作业时间
Table 7. Work time
d 平均激活
时间最早开始
时间最晚开始
时间冗余激活
时间0 0 0 0 0.5 0.3 0.7 0.566 7 1 0.6 1.4 1.133 3 1.5 1.1 1.9 1.633 3 2.5 1.9 3.1 2.7 3.5 2.7 4.3 3.766 7 4.5 3.5 5.5 4.833 3 5.5 4.3 6.7 5.9 6.5 5.1 7.9 6.966 7 7.5 5.9 9.1 8.033 3 8.5 6.7 10.3 9.1
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