Outputs (36)

Field Based Photovoltaic Power Degradation Rates In Oman-Case Study (2018)
Presentation / Conference Contribution
Shaik, M., Gupta, N., & Goh, K. (2018). Field Based Photovoltaic Power Degradation Rates In Oman-Case Study. In World Congress on Sustainable Technologies (WCST-2017)

Due to increase in demand for electricity usage all around the GCC there has been emphasizing on the usage of alternative sources of energy i.e. using solar, wind and ocean etc. on the other side accurate prediction of power delivery is crucial for e... Read More about Field Based Photovoltaic Power Degradation Rates In Oman-Case Study.

Study of Photovoltaics (PV) Performance Degradation Analysis in Oman (2017)
Journal Article
Shaik, M., Gupta, N., Goh, K., Umar, T., & Nazeema, N. (2017). Study of Photovoltaics (PV) Performance Degradation Analysis in Oman. International Journal of Sustainable Energy Development, 6(2), 334-343. https://doi.org/10.20533/ijsed.2046.3707.2017.0043

The demand for electricity usage is increasing all around the globe. As an alternative and clean source to produce electricity there has been an emphasis on the usage of renewable energies. Sultanate of Oman has also taken an initiative by 2030 that... Read More about Study of Photovoltaics (PV) Performance Degradation Analysis in Oman.

Modelling and control of helicopter robotic landing gear for uneven ground conditions (2017)
Presentation / Conference Contribution
Boix, D. M., Goh, K., & McWhinnie, J. (2017). Modelling and control of helicopter robotic landing gear for uneven ground conditions. In Proceedings of 2017 Workshop on Research, Education and Development of Unmanned Aerial Systems (RED-UAS 2017. https://

This paper proposes a method to investigate into helicopter landing on uneven terrain by means of using a scaled articulated robotic landing gear. A mathematical model of an articulated robotic landing gear that adapts to uneven ground conditions is... Read More about Modelling and control of helicopter robotic landing gear for uneven ground conditions.

Control of rotorcraft landing gear on different ground conditions (2016)
Presentation / Conference Contribution
Goh, K., Boix, D. M., McWhinnie, J., & Smith, G. (2016). Control of rotorcraft landing gear on different ground conditions. In 2016 IEEE International Conference on Mechatronics and Automation (ICMA). https://doi.org/10.1109/icma.2016.7558557

This paper presents an example of a PID controller applied to a 2-dimensional rotorcraft landing gear with two DOF (degrees of freedom), as well as the design of the landing gear dynamic model. The focus of this work is to maintain the landing spot t... Read More about Control of rotorcraft landing gear on different ground conditions.

Wind resource assessment in the Edinburgh region (2009)
Presentation / Conference Contribution
Irshad, W., Goh, K., & Kubie, J. (2009, September). Wind resource assessment in the Edinburgh region. Presented at 2009 World Non-Grid-Connected Wind Power and Energy Conference, Nanjing, China

In recent years, a growing number of manufacturers have produced small wind turbines that are suitable for utilization of wind energy by individual householders or small businesses. These small wind turbine systems are unavoidably installed close to... Read More about Wind resource assessment in the Edinburgh region.

Sensorless second-order sliding-mode speed control of a voltage-fed induction-motor drive using nonlinear state feedback (2005)
Journal Article
Rashed, M., Goh, K. B., Dunnigan, M. W., MacConnell, P. F. A., Stronach, A. F., & Williams, B. W. (2005). Sensorless second-order sliding-mode speed control of a voltage-fed induction-motor drive using nonlinear state feedback. IEE proceedings. Electric p

A high-performance and robust sensorless speed-control scheme of a voltage-fed induction motor has been developed in which the control of speed and flux is decoupled. A robust control strategy, specifically a sliding-mode technique, is considered h... Read More about Sensorless second-order sliding-mode speed control of a voltage-fed induction-motor drive using nonlinear state feedback.

Application of Robust Chattering-Reduction Sliding Mode Control Techniques for Position Control of a Vector-Controlled Induction Machine with Non-Linear Friction Dynamics (2005)
Journal Article
Goh, K. B., Dunnigan, M. W., & Williams, B. W. (2005). Application of Robust Chattering-Reduction Sliding Mode Control Techniques for Position Control of a Vector-Controlled Induction Machine with Non-Linear Friction Dynamics. Proceedings of the Instituti

Sliding mode control (SMC) methods possess several advantageous properties such as robustness against parameter variation, disturbance rejection, straightforward design, and are simple to implement. In this paper, a sliding mode control algorithm (wh... Read More about Application of Robust Chattering-Reduction Sliding Mode Control Techniques for Position Control of a Vector-Controlled Induction Machine with Non-Linear Friction Dynamics.

Robust chattering-free (higher order) sliding mode control for a vector-controlled induction machine (2005)
Presentation / Conference Contribution
Goh, K., Dunnigan, M., & Williams, B. (2005). Robust chattering-free (higher order) sliding mode control for a vector-controlled induction machine. In 2004 5th Asian Control Conference (IEEE Cat. No.04EX904)

The chattering behaviour that is inherent in standard sliding mode control is often an obstacle for practical application if neglected. In this paper, special attention is given to a particular chattering-free control method: 2-sliding “super twistin... Read More about Robust chattering-free (higher order) sliding mode control for a vector-controlled induction machine.

Sliding mode position control of a vector-controlled induction machine with nonlinear load dynamics (2004)
Presentation / Conference Contribution
Goh, K., Dunnigan, M., & Williams, B. (2004). Sliding mode position control of a vector-controlled induction machine with nonlinear load dynamics. In Second International Conference on Power Electronics, Machines and Drives (PEMD 2004). https://doi.org/1

In this paper, a solution to the position control problem for a vector controlled induction machine in the presence of nonlinear load friction, is proposed. A sliding mode (SMC) control system using the equivalent control concept and a switching term... Read More about Sliding mode position control of a vector-controlled induction machine with nonlinear load dynamics.

Speed Control of a Vector-Controlled Induction Machine Using Sliding Mode Techniques in the Presence of Non-Linear Load Dynamics (2004)
Presentation / Conference Contribution
Goh, K., Dunnigan, M., & Williams, B. (2004). Speed Control of a Vector-Controlled Induction Machine Using Sliding Mode Techniques in the Presence of Non-Linear Load Dynamics. In Proceedings - UKACC Control Conference - Control 2004

This paper presents the application of several control algorithms for speed control of a vector-controlled induction machine in the presence of non-linear load dynamics. Special attention is given to sliding mode control techniques. These techniques... Read More about Speed Control of a Vector-Controlled Induction Machine Using Sliding Mode Techniques in the Presence of Non-Linear Load Dynamics.