ABSTRACT
This chapter presents for simulating dynamic systems in SPICE. It shows that while SPICE is largely known for its handling of electronics, it is also quite capable of handling more general systems. This offers many advantages in the field of electrical engineering where one often encounters models that combine both electrical and mechanical systems. Since the advent of digital computing, the modeling and simulation of dynamic systems has been an integral part of the engineering process. Every increase in computing power has led to the simulation of evermore detailed and accurate models. To begin constructing and simulating models, the proper set of tools must be assembled first. The chapter presents the implementations of some of the most commonly used blocks. The integrator is the fundamental building block of the state-variable model. Like integration, differentiation is another useful operation, which can be indirectly implemented in SPICE with very little effort.
