chapter fourteen

Case Study 2: Mixed-Technology Focus

With a contribution by

Scott Cooper,     Mentor Graphics Corporation

This case study highlights VHDL-AMS as a mixed-technology, mixed-domain modeling language by focusing on the RC airplane rudder and servo control system (rudder system). We first implement the rudder system exclusively in the s-domain. After verifying top-level system requirements, we then refine most of the system to use conservation-based electromechanical components in which we model true physical characteristics of the system. Finally, we realize the servo compensator in the z-domain, so that it can be implemented as software rather than hardware.

14.1 Rudder System Overview

As noted in the Preface, the case studies ...

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