The simplest fuzzy two-term controllers: mathematical models and stability analysis
DOI: 10.1504/IJAAC.2008.020426 | B.M. Mohan, Arpita Sinha | This paper reveals mathematical models for some simplest fuzzy two-term (PI/PD) controllers which employ two symmetric fuzzy sets for each of the two input variables and three symmetric fuzzy sets for the output variable. The basic cons... | 5 - 21 |
Robotic formation: initialisation, trajectory planning and decentralised control
DOI: 10.1504/IJAAC.2008.020426 | A.D. Nguyen, V.T. Ngo, Q.P. Ha, G. Dissanayake | Coordination of a group of mobile robots in desired formations requires an integration of motion planning and control strategies subject to communication bandwidth limitations. An architecture combining virtual structure and leader followin... | 22 - 45 |
Decentralised control of MIMO plant using optimal gramian-based pairing
DOI: 10.1504/IJAAC.2008.020426 | Alireza Fatehi | Using the assignment technique of operations research, it is possible to obtain optimal controllable and observable pairs based on gramian measure for decentralised control of MIMO plants. The advantages of using assignment method for both ... | 46 - 57 |
Simulation of PWM DC-DC 4-Q converter driven S.E. DC motor
DOI: 10.1504/IJAAC.2008.020426 | Kamal Abd Al-Majeed Khandakji | In this work, the authors propose a comprehensive mathematical model for PWM DC-DC converters with unipolar switching scheme (including all classes: A, B, C, D and four-quadrant E) and closed-loop PWM DC-DC converter driven DC S.E. motor fo... | 58 - 72 |
Design and analysis of simple robust controllers via structured singular value
DOI: 10.1504/IJAAC.2008.020426 | Marek Dlapa, Roman Prokop | In this paper, design and analysis of controller with PID structure for SISO plant is performed. Controller is obtained via optimisation of nominal closed-loop poles and the structured singular value denoted µ is used for the assessmen... | 73 - 89 |
Recursive identification of time-varying Wiener systems with polynomial non-linearities
DOI: 10.1504/IJAAC.2008.020426 | Jozef Voros | This paper deals with the recursive identification of time-varying Wiener systems with polynomial non-linearities. A special form of Wiener model is considered, which is linear-in-parameters. The proposed algorithm is a direct application o... | 90 - 98 |
Tool condition monitoring in honing process using acoustic emission signals
DOI: 10.1504/IJAAC.2008.020426 | M. Kanthababu, M.S. Shunmugam, M. Singaperumal | Sensing Acoustic Emission (AE) signals from a machining process is one of the most promising methods suitable for tool condition monitoring because of its sensitivity combined with quick and high frequency response. In this work, AE signals... | 99 - 112 |
On the design of observer for unknown inputs fuzzy models
DOI: 10.1504/IJAAC.2008.020426 | Mohammed Chadli, Abdelkader Akhenak, Jose Ragot, Dider Maquin | In this paper, we consider the design of an fuzzy observer for a non-linear system with unknown inputs described by a fuzzy model. The main objective is to estimate state variables of the fuzzy model subject to unknown inputs which influenc... | 113 - 125 |
Design of H∞ synchronization controller for uncertain chaotic systems with neural network
DOI: 10.1504/IJAAC.2008.020426 | Mou Chen, Chang-Sheng Jiang, Qing-Xian Wu, Wen-Hua Chen | A synchronization controller is designed based on disturbance observer for two uncertain chaotic systems in this paper. The compound disturbance of the synchronization error system consists of non-linear uncertainties and exterior disturban... | 126 - 136 |
Controller synthesis procedure for linear unstable plants
DOI: 10.1504/IJAAC.2008.020426 | Amir Nassirharand | A new controller synthesis algorithm for use with linear unstable plants is developed. The procedure is based on a factorisation theory. It involves determination of a desired transfer function followed by a two layer optimisation approach.... | 137 - 149 |
Editorial: dealing with stability and nonlinearity
issues