An indirect method for transfer function estimation from closed loop data. - Paul M. J. Van den Hof; Ruud J. P. Schrama (Autom., 1993)

Approximate identification with closed-loop performance criterion and application to LQG feedback design. - Richard G. Hakvoort; Ruud J. P. Schrama; Paul M. J. Van den Hof (Autom., 1994)

Identification and control - Closed-loop issues. - Paul M. J. Van den Hof; Ruud J. P. Schrama (Autom., 1995)

Identification of Normalised Coprime Plant Factors from Closed-loop Experimental Data. - Paul M. J. Van den Hof; Ruud J. P. Schrama; Raymond A. de Callafon; Okko H. Bosgra (Eur. J. Control, 1995)