Search Results - "Whidborne, J.F."

On the Minimization of Maximum Transient Energy Growth by Whidborne, J.F., McKernan, J.

“…The problem of minimizing the maximum transient energy growth is considered. This problem has importance in some fluid flow control problems and other classes…”
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A Unifying Framework for Finite Wordlength Realizations by Hilaire, T.., Chevrel, P.., Whidborne, J.F.

“…A general framework for the analysis of the finite wordlength (FWL) effects of linear time-invariant digital filter implementations is proposed. By means of a…”
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Reduction of controller fragility by pole sensitivity minimization by Whidborne, J.F., Istepanian, R.S.H., Jun Wu

“…Presents a method for the reduction of controller fragility. The method is based on the sensitivity of closed-loop poles to perturbations in the controller…”
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A unified closed-loop stability measure for finite-precision digital controller realizations implemented in different representation schemes by Jun Wu, Sheng Chen, Whidborne, J.F., Jian Chu

“…A computationally tractable unified finite word length closed-loop stability measure is derived which is applicable to fixed-point, floating-point and…”
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Comments on "On the structure of digital controllers with finite word length consideration" by Whidborne, J.F., Jun Wu, Istepanian, R.S.H., Jian Chu

“…In the above-mentioned paper by Li (ibid. vol.43 (1998)), a condition is presented as necessary and sufficient to give the optimal realization of state space…”
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Controller realizations of a teleoperated dual-wrist assembly system with finite word length considerations by Istepanian, R.S.H., Jun Wu, Whidborne, J.F.

“…This paper presents some implementation issues of finite-precision optimal and quasi-optimal sparse H/sub /spl infin// controller structures applied to a…”
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Optimised configuration of sensors for fault tolerant control of an electro-magnetic suspension system by Michail, K., Zolotas, A.C., Goodall, R.M., Whidborne, J.F.

“…For any given system the number and location of sensors can affect the closed-loop performance as well as the reliability of the system. Hence, one problem in…”
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A three-term backpropagation algorithm by Zweiri, Y.H., Whidborne, J.F., Seneviratne, L.D.

“…The standard backpropagation algorithm for training artificial neural networks utilizes two terms, a learning rate and a momentum factor. The major limitations…”
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Robust controller design using H/sub ∞/ loop-shaping and the method of inequalities by Whidborne, J.F., Postlethwaite, I., Gu, D.-W.

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Robust controller design using H/sub /spl infin// loop-shaping and the method of inequalities by Whidborne, J.F., Postlethwaite, I., Gu, D.-W.

“…A new approach to robust controller design is proposed. By using plant-weighting functions as the design parameters, the approach combines the method of…”
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A Comparison of Dynamic Models of Various Complexity for Diesel Engines by Zweiri, Y.H., Whidborne, J.F., Seneviratne, L.D., Althoefer, K.

“…Diesel engines are widely used in many application domains. The recent drive to reduce emissions, improve efficiency and implement on board diagnostic tools…”
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Effector Failure Mitigation by Control Allocation for a UAV with Integrated Fluidic Control Devices by Jamil, R, Savvaris, A, Whidborne, J.F

“…Fixed-wing aircraft effector failures can manifest themselves in a variety of ways, including but not limited to: neutral failures where the effector resides…”
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Aircraft Route Re-planning for a Pop-up Obstacle using a Direct Method by Chi Kin Lai, Whidborne, J.F

“…This paper addresses the problem of route re-planning for a pop-up obstacle in the guidance level for fixed-wing aircraft. The problem, formulated as a…”
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Robust control of a paper machine by Whidborne, J.F., Postlethwaite, I., Gu, D.-W.

“…In this paper, a robust controller for the paper machine benchmark problem is designed using H ∞ loop-shaping techniques. The weighting functions are tuned to…”
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A genetic algorithm approach to designing finite-precision PID controller structures by Whidborne, J.F.

“…The parameters of a digital control design need to be rounded if the controller is implemented with finite precision arithmetic. This often results in…”
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Fuzzy PID tuning for robot manipulators by Bekit, B.W., Seneviratne, L.D., Whidborne, J.F., Althoefer, K.

“…The performance of any PID controller depends on the specific parameters of the system. Once these parameters change, a significant amount of effort may be…”
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Fuzzy sliding mode control for a robot manipulator by Bekit, B.W., Whidborne, J.F., Seneviratne, L.D.

“…A sliding mode control algorithm combined with a fuzzy control scheme is developed for the trajectory control of a robot manipulator. The scheme is used to…”
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Robust adaptive control for robot manipulators by Bekit, B.W., Seneviratne, L.D., Whidborne, J.F.

“…Summary form only given. In this work, a robust adaptive control law for robot manipulators based on Popov hyperstability theory and a PI adaptation law is…”
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Multi-objective design of finite word-length controller structures by Istepanian, R.S.H., Whidborne, J.F.

“…Feedback controller implementations with fixed-point arithmetic offer the advantages of speed, memory space, cost and simplicity compared to floating-point…”
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Algorithms for the method of inequalities-a comparative study by Whidborne, J.F., Gu, D.-W., Postlethwaite, I.

“…There has been a renewed interest in multiobjective control system design using parameter search techniques. One multiobjective approach is the method of…”
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