Steady-state circular errors for basic tracking filters

被引:2
|
作者
Ekstrand, B.
机构
[1] S-429 42 Särö
来源
关键词
D O I
10.1049/ip-cta:20050200
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Deterministic steady-state errors for circular manoeuvres are discussed for two basic tracking filters: a two-state continuous-time filter and the discrete-time update alpha-beta filter. Radial and angular errors are expressed in terms of target acceleration and filter bandwidth, and it is shown that the radial error dominates. The alpha-beta filter bandwidth is given and a useful approximation is obtained. The tracking index can then be interpreted in terms of bandwidth and a rule-of-thumb for an upper bound of the index can be formulated. The paper contributes relationships for basic filter performance during circular manoeuvring that should be useful in a design process. Some design aspects are discussed. The results are obtained by using transfer functions.
引用
收藏
页码:413 / 418
页数:6
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