| 基于离散时间最优控制的航空发动机装配序列规划 |
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| 引用本文： | 汤新民,钟诗胜.基于离散时间最优控制的航空发动机装配序列规划[J].控制与决策,2008,23(11). |
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| 作者姓名： | 汤新民 钟诗胜 |
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| 作者单位： | 1. 南京航空航天大学,民航学院,南京,210016
2. 哈尔滨工业大学,机电工程学院,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金项目，南京航空航天大学创新基金项目 |
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| 摘 要： | 为实现航空发动机维修差错的控制,采用基于优先约束关系的装配子网对发动机部件装配序列建模.在给定的装配评价准则下,将装配序列规划问题转化为最优变迁激发序列问题.引入离散时间的Pontryagin最小值原理(DTPMP),将极小化哈密顿函数这一全局优化的必要条件作为求解零部件装配序列的启发信息.为避免潜在死锁,给出了最优变迁激发序列算法.最后对最优装配序列规划算法的分析显示,该算法有多项式时间的复杂度.
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| 关 键 词： | 发动机装配序列规划 离散时间最优控制 装配Petri网 最优装配序列 |
| 收稿时间： | 2007-8-10 |
| 修稿时间： | 2007-11-17 |
Aero-engine assembly sequence planning based on discrete-time pontryagin's minimum principle |
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| TANG Xin-min,ZHONG Shi-sheng.Aero-engine assembly sequence planning based on discrete-time pontryagin's minimum principle[J].Control and Decision,2008,23(11). |
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| Authors: | TANG Xin-min ZHONG Shi-sheng |
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| Affiliation: | TANG Xin-min1,ZHONG Shi-sheng2(1.College of Civil Aviation,Nanjing University of Aeronautics , Astronautics,Nanjing 210016,China,2.School of Mechatronics Engineering,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | To eliminate maintenance error during aero-engine assembly,assembly sub-Petri nets is used to modeling aero-engine parts assembly sequence(PAS) based on assembly precedence relationship.By the given assembly evaluation criterion,assembly sequence planning can be transformed into optimal transition firing sequence(OFS).Discrete-time Pontryagin's minimum principle(DTPMP) is introduced to find OFS and DTPMP states that an OFS must minimize the Hamiltonian function which can be treat as the heuristic informatio... |
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| Keywords: | Aero-engine assembly sequence planning Discrete-time Pontryagin's minimum principle Assembly Petri nets Optimal assembly sequence |
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