| [1] |
Peter J Gawthrop.
Bond graph based control using virtual actuators.
Proceedings of the Institution of Mechanical Engineers Pt. I:
Journal of Systems and Control Engineering, 218(4):251--268, September 2004.
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DOI |
.pdf ]
A bond-graph based approach to design in the physical domain is described which uses the concept of virtual actuators and virtual sensors.
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| [2] |
Peter J Gawthrop.
Intermittent constrained predictive control of mechanical systems.
In Ian R Petersen, editor, Proceedings of the 3rd IFAC Symposium
on Mechatronic Systems, Manly, Australia, 2004.
[ bib |
.pdf ]
An intermittent approach to model-based predictive control is successfully applied to an experimental mechanical system -- a “Ball and Beam”. This approach is related to human motion control.
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| [3] | Peter J Gawthrop. Self-tuning control. In Heinz Unbehauen, editor, Encyclopedia of Life Support Systems (EOLSS), chapter 6.43. Control Systems, Robotics and Automation. UNESCO, 2004. [ bib | http | .pdf ] |
| [4] | Peter J Gawthrop. Minimum-variance control. In Heinz Unbehauen, editor, Encyclopedia of Life Support Systems (EOLSS), chapter 6.43. Control Systems, Robotics and Automation. UNESCO, 2004. [ bib | http | .pdf ] |
| [5] |
P.J. Gawthrop and E. McGookin.
A lego-based control experiment.
IEEE Control Systems Magazine, 24(5):43--56, October 2004.
[ bib |
DOI |
.pdf ]
A nice feature of the LEGO system is that, although the mechanical, electrical, and structural construction is good enough for successful results, there are enough discrepancies between theory and practice to introduce the student to real-world problems of controller. This article concentrates on implementing the feedback controller within the RCX, with the host computer used for compiling, downloading, and data display. However, an interesting research project is to implement part of the controller on the host computer and communicate by means of the IR channel. The bandwidth restriction that this approach imposes can provide the basis for a research project on control through a restricted bandwidth channel.
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| [6] | Peter J Gawthrop and Liuping Wang. Estimation of physical parameters of stable and unstable systems via estimation of step response. In Proceedings of Eighth International Conference on Control, Automation, Robotics and Vision (ICARCV 2004), page (accepted), Kunming, China, December 2004. [ bib | .pdf ] |
| [7] |
Liuping Wang, Peter Gawthrop, Charlie Chessari, Tony Podsiadly, and Angus
Giles.
Indirect approach to continuous time system identification of food
extruder.
Journal of Process Control, 14(6):603--615, September 2004.
[ bib |
DOI |
.pdf ]
A three-stage approach to system identification in the continuous time is presented which is appropriate for day-to-day application by plant engineers in the process industry. The three stages are: data acquisition using relay feedback; non-parametric identification of the system step response; and parametric model fitting of the identified step response. The method is evaluated on a pilot-scale food-cooking extruder.
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