This paper presents the realization of a prototypal
embedded system which implements a new control law characterized
by a fixed and quantized control set. This effort is motivated
by the observation that many industrial plants with high parametric
uncertainties, both for constructive simplicity and/or in
order to minimize the operation cost, are usually commanded with
signals that can only assume a finite number of values. This paper
proposes a new multivalued control algorithm which is robust
with respect to disturbances and plant’s uncertain parameters and
consents the plant’s output to practically track a given reference
trajectory, with preassigned maximum values of the tracking error
and its first derivative. Moreover, this paper deals with the digital
realization of this new multivalued control law and the key issues
associated with its microprocessor implementation. The efficiencies
of the methodology and of the design procedure utilized for
the realization of the embedded system are shown through a
very interesting application: a temperature control system for a
ceramic kiln.