3.1 The Structure of a Class 3 Design Problem-Solver
In this book we will consider a Class 3 design problem-solver to consist of a
hierarchical collection of design specialists, where the upper levels of the hierarchy
are specialists in the more general aspects of the component. The lower levels deal
with more specific subsystems or components. They all access a design data-base
mediated by an intelligent data-base assistant [Mittal 80b] [Chandrasekaran 80]
3
.
We will first describe the structure of the design agents
4
(i.e.,
the types of
knowledge), and then their problem-solving action and th
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