TY - JOUR
T1 - INS initial alignment based on L2 robust control theory
AU - Dai, Shao Zhong
AU - Wang, Bo
PY - 2008/9
Y1 - 2008/9
N2 - A new method of INS initial alignment based on L2 robust control theory was proposed. Based on robust optimal control theory, by configuring auxiliary feedback control variable, the dynamic performance of the system was improved, also the alignment time was shortened. The simulated result shows that compared with that of traditional Kalman filter, the level misalignment angle can be estimated with the same accuracy, while the estimated accuracy of the azimuth misalignment angle is greatly improved by one order of magnitude, the alignment time is shortened from more than 100 s to equal or less than 10 s.
AB - A new method of INS initial alignment based on L2 robust control theory was proposed. Based on robust optimal control theory, by configuring auxiliary feedback control variable, the dynamic performance of the system was improved, also the alignment time was shortened. The simulated result shows that compared with that of traditional Kalman filter, the level misalignment angle can be estimated with the same accuracy, while the estimated accuracy of the azimuth misalignment angle is greatly improved by one order of magnitude, the alignment time is shortened from more than 100 s to equal or less than 10 s.
KW - Automatic control theory
KW - Bounded uncertainty
KW - Inertial navigation system
KW - Initial alignment
KW - Robust optimal control
UR - https://www.scopus.com/pages/publications/54549094864
M3 - Article
AN - SCOPUS:54549094864
SN - 1000-1093
VL - 29
SP - 1145
EP - 1148
JO - Binggong Xuebao/Acta Armamentarii
JF - Binggong Xuebao/Acta Armamentarii
IS - 9
ER -