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All Journal International Journal of Advances in Applied Sciences Indonesian Journal of Electrical Engineering and Computer Science
Zaiton Abdul Mutalip
Universiti Teknikal Malaysia Melaka
Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

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State feedback containment control of multi-agents system with lipschitz nonlinearity Siti Nurfarihah Sheikh Hanis; Ahmad Sadhiqin Mohd Isira; Azdiana Md Yusop; Mohd Hendra Hairi; Wong Chunyan; Cherry D. Casuat; Zaiton Abdul Mutalip
Indonesian Journal of Electrical Engineering and Computer Science Vol 23, No 3: September 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v23.i3.pp1398-1409

Abstract

This paper studies the containment control problem of the leader-follower configuration in a multi-agents system included with a type of nonlinearity such as Lipschitz with respect to continuous-time and directed spanning forest communication network topology. A state feedback containment controller is designed and proposed with control theory and the Laplacian network structure where it utilizes the relative information of each agent. The controller designed ensures that the followers are contained by the leaders that form the convex hull formation. For the containment to happen, a minimum of one leader is needed to have a direct communication trajectory to the followers. Lyapunov stability theory is used to provide the stability conditions after analyzing the network structure. Finally, it has been shown from simulation that the followers are contained successfully with the proposed controller.
Comparing 5G indoor wireless technologies: optical vs ultraviolet communication Izzah Hazirah Zainal; Zaiton Abdul Mutalip; Haziezol Helmi Mohd Yusuf; Nurmala Irdawaty Hassan; Zeina Rihawi
International Journal of Advances in Applied Sciences Vol 13, No 3: September 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v13.i3.pp611-619

Abstract

Wireless communication technologies have become one of the biggest technologies that are considered suitable for radio frequency in various types of applications, including indoor applications. This study investigates the differences between optical wireless communication (OWC) and ultraviolet wireless communication (UVC). Several parameters are simulated, including bit error rate (BER), signal-to-noise ratio (SNR), data rate, and received power, to compare the performance of each technology in various scenarios. Owing to its wide bandwidth, license-free frequency spectrum, and low signal attenuation at low carrier frequencies, the OWC is suitable for radio frequency applications in many situations, including indoor environments. The simulation results show that UVC outperformed OWC in terms of BER and SNR. Moreover, UVC has a higher data transmission rate of up to 1.1 Gbps, making it a suitable technology for 5G communication.
Co-Authors Ahmad Sadhiqin Mohd Isira Azdiana Md Yusop Cherry D. Casuat Haziezol Helmi Mohd Yusuf Izzah Hazirah Zainal Mohd Hendra Hairi Nurmala Irdawaty Hassan Siti Nurfarihah Sheikh Hanis Wong Chunyan Zeina Rihawi