This paper deenes a VHDL-AMS subset for be-havioral synthesis of analog systems. The subset includes language constructs for describing most of the functional aspects pertaining to analog systems. Besides , these constructs can be implemented with electronic circuits. Functional aspects, which can be expressed with the subset, relate to two interacting parts. The analog part continuously proces...

this paper proposes an efficient tracking method for velocity control of an electro-hydraulic servo system (ehss) in the presence of flow nonlinearities and internal friction. the tracking method controller is a kind of feedback error learning structure. in the proposed method, the feedback error learning (fel) algorithm is used to control the velocity. there is no need to compute the system ja...