Solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis
The invention discloses a solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis. The method comprises the steps that a vibration response time-domain curve of the joint of a gimbal seat or a rack on an engine and a cabin section during ground test of...
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| creator | LONG XINJUN ZHANG LIANG HU DIKE HONG GANG XU TENG YANG FAN ZANG XU ZHANG WEIDONG CHEN YANHAO ZHAO YUZHEN |
| description | The invention discloses a solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis. The method comprises the steps that a vibration response time-domain curve of the joint of a gimbal seat or a rack on an engine and a cabin section during ground test of the liquid engine and a vibration response time-domain curve of a rear skirt of a solid engine during ground test of the solid engine are obtained; preprocessing the two obtained vibration response time domain curves to obtain first and second shock response spectrum equivalent sine data; enveloping the equivalent sine data of the first impact response spectrum and the second impact response spectrum; according to the longitudinal transfer characteristics, obtaining the acceptance level longitudinal sinusoidal vibration test magnitude of instruments and equipment on other cabin sections of the solid-liquid binding carrier rocket; and based on the safety coefficient T, obtaining the identification-grade longitudina |
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The method comprises the steps that a vibration response time-domain curve of the joint of a gimbal seat or a rack on an engine and a cabin section during ground test of the liquid engine and a vibration response time-domain curve of a rear skirt of a solid engine during ground test of the solid engine are obtained; preprocessing the two obtained vibration response time domain curves to obtain first and second shock response spectrum equivalent sine data; enveloping the equivalent sine data of the first impact response spectrum and the second impact response spectrum; according to the longitudinal transfer characteristics, obtaining the acceptance level longitudinal sinusoidal vibration test magnitude of instruments and equipment on other cabin sections of the solid-liquid binding carrier rocket; and based on the safety coefficient T, obtaining the identification-grade longitudina</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230808&DB=EPODOC&CC=CN&NR=116561886A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230808&DB=EPODOC&CC=CN&NR=116561886A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LONG XINJUN</creatorcontrib><creatorcontrib>ZHANG LIANG</creatorcontrib><creatorcontrib>HU DIKE</creatorcontrib><creatorcontrib>HONG GANG</creatorcontrib><creatorcontrib>XU TENG</creatorcontrib><creatorcontrib>YANG FAN</creatorcontrib><creatorcontrib>ZANG XU</creatorcontrib><creatorcontrib>ZHANG WEIDONG</creatorcontrib><creatorcontrib>CHEN YANHAO</creatorcontrib><creatorcontrib>ZHAO YUZHEN</creatorcontrib><title>Solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis</title><description>The invention discloses a solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis. 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The method comprises the steps that a vibration response time-domain curve of the joint of a gimbal seat or a rack on an engine and a cabin section during ground test of the liquid engine and a vibration response time-domain curve of a rear skirt of a solid engine during ground test of the solid engine are obtained; preprocessing the two obtained vibration response time domain curves to obtain first and second shock response spectrum equivalent sine data; enveloping the equivalent sine data of the first impact response spectrum and the second impact response spectrum; according to the longitudinal transfer characteristics, obtaining the acceptance level longitudinal sinusoidal vibration test magnitude of instruments and equipment on other cabin sections of the solid-liquid binding carrier rocket; and based on the safety coefficient T, obtaining the identification-grade longitudina</abstract><oa>free_for_read</oa></addata></record> |
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| title | Solid-liquid rocket equipment longitudinal sine condition design method based on time sequence analysis |
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