[6] GAO Z Q. Scaling and bandwidth-parameterization based controller tuning[C]//American Control Conference, IEEE, 2003:4989-4996.
[10] HILKERT J M, PAUTLER B. A reduced-order disturbance observer applied to inertially stabilized line-of-sight control[C]//Defense, Security, and Sensing, SPIE, 80520H (2011). doi: 10. 1117/12. 884123.