New Formulation for Time Derivatives of Instantaneous Impact Point Based on Geometric Decomposition

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A new analytic formulation to express the time derivatives of the instantaneous impact point (IIP) of a rocket is proposed. The geometric relationship on a plane tangential to the IIP is used to decompose the inertial IIP rate vector into the downrange and crossrange components, and a systematic procedure to determine the component values is presented. The new formulation shows significant advantages over the existing formulation such that the procedure and final expressions for the IIP derivatives are easy to understand and more compact. The validity of the proposed formulation was demonstrated through numerical simulation.
Publisher
ASCE-AMER SOC CIVIL ENGINEERS
Issue Date
2018-07
Language
English
Article Type
Article
Keywords

SOUNDING ROCKETS; PREDICTION

Citation

JOURNAL OF AEROSPACE ENGINEERING, v.31, no.4

ISSN
0893-1321
DOI
10.1061/(ASCE)AS.1943-5525.0000865
URI
http://hdl.handle.net/10203/242449
Appears in Collection
AE-Journal Papers(저널논문)
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