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# IET Control Theory & Applications

## Filter Results

Displaying Results 1 - 9 of 9
• ### Fault and disturbance reconstruction in non-linear systems using a network of interconnected sliding mode observers

Publication Year: 2011, Page(s):751 - 763
Cited by:  Papers (8)
| | PDF (473 KB)

A new technique for fault diagnosis and estimation of unknown inputs in a class of non-linear systems is presented in this study. The novelty of the approach is based on utilisation of a network of two interconnected sliding mode observers, the first is used for fault diagnosis and the second is used for estimation of unknown inputs. The two observers exchange information about their respective re... View full abstract»

• ### Stability analysis of a combined direct and variable structure adaptive control

Publication Year: 2011, Page(s):764 - 774
Cited by:  Papers (2)
| | PDF (446 KB)

This study presents the proofs of robust stability of a direct adaptive controller with a variable structure (VS) parcel. The control law parameters are adjusted based on a method proposed by Narendra and Boškvič (1990). In this approach, two sets of parameters must be obtained. One set is used to attain the control objective which is, in this case, to track the output of a referen... View full abstract»

• ### Filter designing with finite packet losses and its application for stochastic systems

Publication Year: 2011, Page(s):775 - 784
Cited by:  Papers (7)
| | PDF (432 KB)

Packet losses are a general problem in networked control system and wireless sensor networks (WSNs). In order to increase estimation accuracy and reliability, a filter with finite packet losses called minimum variance filter (MVF) is designed for stochastic systems. The authors develop a packet loss model, and design a novel MVF based on the orthogonal analysis approach. The proposed filters rely ... View full abstract»

• ### No-weight design of H2 controllers for square plants

Publication Year: 2011, Page(s):785 - 794
| | PDF (254 KB)

In this study, a reduced complexity design procedure for H2 control problems of square plants is presented. First, all stabilising controllers are parameterised. Second, a modified inner-outer factorisation is defined for unstable plants and analytical formulas are developed. Third, the unique optimal controller is analytically derived by utilising the proposed parameterisation a... View full abstract»

• ### Quantised feedback stabilisation of interconnected discrete-delay systems

Publication Year: 2011, Page(s):795 - 802
Cited by:  Papers (2)
| | PDF (497 KB)

The authors investigate in this study the problem of designing decentralised quantised H∞ feedback control for a class of linear interconnected discrete-time systems. The system has unknown-but-bounded couplings and interval delays. The quantiser has an arbitrary form that satisfies a quadratic inequality constraint. A linear matrix inequality (LMI)-based method using a decentral... View full abstract»

• ### Data-driven adaptive model-based predictive control with application in wastewater systems

Publication Year: 2011, Page(s):803 - 812
Cited by:  Papers (11)
| | PDF (501 KB)

This study is concerned with the development of a new data-driven adaptive model-based predictive controller (MBPC) with input constraints. The proposed methods employ subspace identification technique and a singular value decomposition (SVD)-based optimisation strategy to formulate the control algorithm and incorporate the input constraints. Both direct adaptive model-based predictive controller ... View full abstract»

• ### Adaptive generalised predictive temperature control for air conditioning systems

Publication Year: 2011, Page(s):813 - 822
| | PDF (555 KB)

This study presents an adaptive stable generalised predictive control (ASGPC) for temperature control of a class of air-conditioning systems. The proposed ASGPC method is more general and practical than the approaches presented by Rossiter et al. and Kouvaritakis et al. A real-time stable generalised predictive control (GPC) control algorithm along with a recursive least-squares para... View full abstract»

• ### Consensus problems for linear time-invariant multi-agent systems with saturation constraints

Publication Year: 2011, Page(s):823 - 829
Cited by:  Papers (29)
| | PDF (309 KB)

A class of networked multi-agent systems is studied in this study where each agent has an identical dynamics of a simple integrator and the topology of the connections is fixed. It is proved that, when there are saturation constraints, a general consensus protocol widely used in the literatures for this class of multi-agent systems remains valid. As an extension, a bang-bang type of consensus pr... View full abstract»

• ### Adaptive output-feedback control for trajectory tracking of electrically driven non-holonomic mobile robots

Publication Year: 2011, Page(s):830 - 838
Cited by:  Papers (7)
| | PDF (335 KB)

In this study, the authors propose an adaptive output-feedback controller for trajectory tracking of electrically driven non-holonomic mobile robots in the presence of parametric uncertainties. A new adaptive observer using the transformation matrices is developed to estimate the unmeasured velocities of the mobile robot. By using the transformation matrices, the designed adaptive observer can dea... View full abstract»

## Aims & Scope

IET Control Theory & Applications is devoted to control systems in the broadest sense, covering new theoretical results and the applications of new and established control methods.

Full Aims & Scope

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IET Research Journals
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