A multi-rate nonlinear state estimation for hard disk drives. - Keitaro Ohno; Roberto Horowitz (ACC, 2003)

A comparative study of the use of the generalized hold function for HDDs. - Keitaro Ohno; Mitsuo Hirata; Roberto Horowitz (CDC, 2003)

Nonuniform multi-rate sampled-data H∞ following control of HDDs. - Keitaro Ohno; Shinji Hara (ACC, 2005)

A variable structure multirate State estimator for seeking control of HDDs. - Keitaro Ohno; Roberto Horowitz (IEEE Trans. Control. Syst. Technol., 2005)

Adaptive resonant mode compensation for hard disk drives. - Keitaro Ohno; Takeyori Hara (IEEE Trans. Ind. Electron., 2006)