TY - JOUR T1 - Eigenstructure approximations and their use for commutative controller strategy: application to a helicopter JO - Control Engineering Practice PY - 1993/01/01 AU - Rossiter JA AU - Aslan Y AU - Beavois D ED - DO - DOI: 10.1016/0967-0661(93)91628-A VL - 1 IS - 2 SP - 357 EP - 363 Y2 - 2024/12/25 ER -