Abstract
Because of the increasing demand for the measurement of fine surfaces, complex shaped surfaces and soft surfaces, some thought has been given recently to revising the philosophy behind the design of the basic instrument. Also a similar rethink of the design strategy of machine tools has taken place due to the need to manufacture surfaces of nanometre roughness. The conventional way to improve the performance of such instruments in terms of response is to increase the stiffness in the measuring or machining loop. Other problems exist such as damage to the surface. These and other problems are addressed below where it is shown that benefit can be achieved by considering damping. Further, feature enhancement is a possibility using a neural approach.
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