{"title":"基于hp自适应伪谱法的中止弹道优化","authors":"Wenhu Wang, Xinguo Li, Chenxi Wang","doi":"10.1109/ISCID.2012.92","DOIUrl":null,"url":null,"abstract":"Mission abort scenarios of RLV due to an engine failure which leads to engine cut-off are considered. the abort trajectory optimization problem is treated as a maximum range problem for abort capability analysis. an hp-adaptive pseudospectral method be employed to solve this problem because of it's accuracy and computational efficiency. Fuel jettisoning rate is treated as a optimization parameter. Numerical results show the optimal fuel jettison rate is it's maximum value and the maximum longitudinal range achievable with fuel jettisoning is increased by 7.62% when compared to the case without fuel jettisoning.","PeriodicalId":246432,"journal":{"name":"2012 Fifth International Symposium on Computational Intelligence and Design","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Abort Trajectory Optimization Using an hp-Adaptive Pseudospectral Method\",\"authors\":\"Wenhu Wang, Xinguo Li, Chenxi Wang\",\"doi\":\"10.1109/ISCID.2012.92\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Mission abort scenarios of RLV due to an engine failure which leads to engine cut-off are considered. the abort trajectory optimization problem is treated as a maximum range problem for abort capability analysis. an hp-adaptive pseudospectral method be employed to solve this problem because of it's accuracy and computational efficiency. Fuel jettisoning rate is treated as a optimization parameter. Numerical results show the optimal fuel jettison rate is it's maximum value and the maximum longitudinal range achievable with fuel jettisoning is increased by 7.62% when compared to the case without fuel jettisoning.\",\"PeriodicalId\":246432,\"journal\":{\"name\":\"2012 Fifth International Symposium on Computational Intelligence and Design\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-10-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 Fifth International Symposium on Computational Intelligence and Design\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISCID.2012.92\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Fifth International Symposium on Computational Intelligence and Design","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCID.2012.92","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Abort Trajectory Optimization Using an hp-Adaptive Pseudospectral Method
Mission abort scenarios of RLV due to an engine failure which leads to engine cut-off are considered. the abort trajectory optimization problem is treated as a maximum range problem for abort capability analysis. an hp-adaptive pseudospectral method be employed to solve this problem because of it's accuracy and computational efficiency. Fuel jettisoning rate is treated as a optimization parameter. Numerical results show the optimal fuel jettison rate is it's maximum value and the maximum longitudinal range achievable with fuel jettisoning is increased by 7.62% when compared to the case without fuel jettisoning.
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