화학공학소재연구정보센터
IEEE Transactions on Automatic Control, Vol.52, No.3, 576-582, 2007
Piecewise linear identification for the rate-independent and rate-dependent Duhem hysteresis models
We consider the semilinear Duhern model and develop an identification method for rate-independent and rate-dependent hysteresis. For rate-independent hysteresis, we reparameterize the system in terms of the input signal, so that the system has the form of a switching linear time-invariant system with ramp-plus-step forcing. For rate-dependent hysteresis, the system can be viewed as a switching linear time-invariant system for triangle wave inputs. Least-squares-based methods are developed to identify the rate-independent and rate-dependent semilinear Duhem models.