@article{GawPal03,
author = {P J Gawthrop and D Palmer},
title = {A Bicausal Bond Graph Representation of Operational Amplifiers},
journal = {Proceedings of the Institution of Mechanical Engineers
Pt. I: Journal of Systems and Control Engineering},
year = 2003,
volume = {217 Part I},
number = 1,
pages = {49--58},
month = {February},
abstract = {The virtual earth concept, well known to designers of active
electronic circuits with operational amplifier components, is shown
to have a novel bicausal bond graph interpretation. This leads to
simplified bond graph modelling of such circuits. Some simple
operational amplifier circuits, together with a more complex active
filter are used to illustrate the approach.
A complex electro-mechanical system shows that the method is useful
in creating a unified bond graph model of systems involving both
analogue electronic and mechanical systems.},
pdf = {../../Publications/csc2003/GawPal03.pdf},
url = {http://dx.doi.org/10.1243/095965103321196686}
}
@article{CheBalGaw03,
author = {Wen-Hua Chen and Donald J. Ballance and Peter J Gawthrop},
title = {Optimal control of nonlinear systems: a predictive control approach},
journal = {Automatica},
year = 2003,
volume = 39,
number = 4,
pages = {633-641},
month = {April},
abstract = {
A new nonlinear predictive control law for a class of multivariable
nonlinear systems is presented in this paper. It is shown that the
closed-loop dynamics under this nonlinear predictive controller
explicitly depend on design parameters (prediction time and control
order). The main features of this result are that an explicitly
analytical form of the optimal predictive controller is given, on-line
optimisation is not required, stability of the closed-loop system is
guaranteed, the whole design procedure is transparent to designers and
the resultant controller is easy to implement. By establishing the
relationship between the design parameters and time-domain transient,
it is shown that the design of an optimal generalised predictive
controller to achieve desired time-domain specifications for nonlinear
systems can be performed by looking up tables. The design procedure is
illustrated by designing an autopilot for a missile.},
pdf = {../../Publications/csc2003/CheBalGaw03.pdf},
url = {http://dx.doi.org/10.1016/S0005-1098(02)00272-8}
}
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