“Adjustable-Speed Unsymmetrical Two-Phase Induction Motor Drive for Photovoltaic Powered Air Conditioners, ” journal of Electric Power Components and Systems, Volume 38, Issue 8, pp. 865-880. “Simple Controller for Boost Converter for Fuel Cell Applications,” Ain Shams Journal of Electrical Engineering (ASJEE), vol. 2, Dec. 2009, pp 131-142 “An Unsymmetrical Two-Phase Induction Motor Drive With Slip-Frequency Control,” IEEE Transactions on Energy Conversion, vol. 24, no. 3, 2009, pp. 608-616. “Cost-Effective Control Scheme for Reduction of Torsional Torque Oscillations in Starting Large Induction Motors,” journal of Electric Power Components and Systems, Volume 34, Number 11. "Analysis and Design of Multiple Feedback Loop Control Strategy for Single-Phase Voltage-Source UPS Inverters," IEEE Transactions on Power Electronics, Vol. 11, No. 4, , pp. 537-541 "A Single-Phase Delta-Modulated Inverter for UPS Applications," IEEE Transactions on Industrial Electronics, Vol. 40, No. 3, pp. 347-354. “Performance of Standalone Hybrid wind-Photovoltaic System with Battery Storage,” to appear in the 14th International Middle-East Power Systems Conference (MEPCON ), December 19-21, 2010, Cairo, Egypt. “Improvement of Energy- Capturing Efficiency in Standalone Photovoltaic Systems with Battery Storage,” to appear in the 14th International Middle-East Power Systems Conference (MEPCON 2010), December 19-21, Cairo, Egypt. “Stand-Alone Wind System with Battery Storage Using Induction Generator and Direct Torque Control,” the 13th International Middle-East Power Systems Conference (MEPCON 2009), December 20-23-15, Assuit, Egypt, pp. 50-56. “Slip Frequency Controlled Inverter-Fed Single-Phase Induction Motors.” in the 12th International Middle-East Power Systems Conference (MEPCON 2008), March 12-15, Aswan, Egypt, pp. 382-386. ISBN: 978-1-4244-1934-0. “High Dynamic Performance Single-Phase Induction Motor Drive System,” in The 11th International Middle-East Power Systems Conference (MEPCON 2006), December 19-21, Egypt, pp. 385-392. “Cost-Effective Control Scheme for Reduction of Torsional Torque Oscillations in Starting Large Induction Motors,” in The 10th International Middle-East Power Systems Conference (MEPCON 2005), December 13-15,Egypt, pp. 157-163. “Slip-Frequency Control of Single-Phase Induction Motor Operated as Two-Phase Motor,” in the proceedings of the 30th IEEE Industrial Electronics Conference (IECON) , Busan, South Korea, IEEE Catalog Number: 04CH37609C, ISBN: 0-7803-9713-7. “Suppression of Torsional Torque Oscillations in Starting Large Squirrel Cage Induction Motors Using Slip-Frequency Control,” in The Ninth International Middle-East Power Conference (MEPCON 2003), December 16-18, Egypt. "Hierarchical Fuzzy-Logic Control for A Single-Phase Voltage-Source UPS Inverter,” in the proceedings of the 28th Annual Conference of the IEEE Industrial Electronics Society (IECON), Sevilla, Spain, Nov. 5 to 8, pp. 262-267, IEEE Catalog Number: 02CH37363C, ISBN: 0-7803-7475-4. "Operation of Single-Phase Motor as Two-Phase Motor,” in the proceedings of the 28th Annual Conference of the IEEE Industrial Electronics Society (IECON), Sevilla, Spain, Nov. 5 to 8, pp. 967-972. IEEE Catalog Number: 02CH37363C, ISBN: 0-7803-7475-4. "Analysis and Control of Photovoltaic Powered Air Conditioner Using Slip-frequency Control Scheme," in journal of Electric Power Components and Systems, Volume 35, Issue 1, pp. 81-95, 2007. "Analysis of Inverter-Fed Single-Phase Induction Motor with Selective Harmonic Elimination Technique," in the proceedings of the eighth International Middle-East Power Systems Conference (MEPCON2001), Cairo, Egypt December 29-31, pp. 449-453. “Air Condition Powered by Solar Energy,” Presented in the 7th Arab International Solar Energy Conference and Regional World Renewable Energy Congress, Sharjah, United Arab Emirates, 19-22 February . “Direct Current Control Scheme for Single-Phase Voltage-Source Utility Interactive Systems with Third order Filter,” in the proceedings of the Seventh International Middle-East Power Systems Conference (Mepcon’2000), Cairo, Egypt, March 28-30, pp. 732-737. "Performance Analysis and Optimal Design of Enhanced Multiple Feedback loop Control Scheme for UPS, " in the proceedings of the IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Cairo, Egypt, December 15-18, vol. 1, pp. 210-214. "Small-Signal Model and Analysis of A Multiple Feedback Control Scheme for Three-Phase Voltage-Source UPS Inverters, " in the proceedings of the IEEE Power Electronics Specialists Conference (PESC), Baveno, Italy, June 23-27, pp. 958-964. "Review of uninterruptible Power Supply Systems," Proceedings of the Sixth Annual Newfoundland Electrical and Computer Engineering Conference, Newfoundland, Canada, May 4-5. "Switch-Mode Inverter Topologies and Control Schemes for Wind/Utility Interface Applications," Proceedings of the Sixth Annual Newfoundland Electrical and Computer Engineering Conference, Newfoundland, Canada, May 4-5. "Modeling and Analysis of a Feedback Control Strategy for Three-Phase Voltage-Source Utility Interface Systems," in Proceedings of IEEE Industry Application Society Annual Meeting (IAS), Denver, Colorado, October 2-7, pp. 895-902. "Three-Phase Voltage-Source UPS Inverters with Voltage-Controlled Current-Regulated Feedback Control Scheme," in Proceedings of the IEEE International conference on Industrial Electronics, Control and Instrumentation (IECON), Bologna, Italy, September 5-9, pp. 497-502. "Multiple Feedback Loop Control Strategy for Single-Phase Voltage-Source UPS Inverters," in Proceedings of the IEEE Power Electronics Specialists Conference (PESC), Taipei, Taiwan, June 20-25, pp. 958-964. "A Single-Phase Voltage-Source Utility Interface System for Weak AC Network Applications," in Proceedings of the IEEE Applied Power Electronics Conference (APEC), Orlando, Florida, February 13-17, pp. 93-99. "An Indirect Current Control Scheme for Single-Phase Voltage-Source Utility Interface Inverter," in Proceedings of the Canadian Conference on Electrical and Computer Engineering, Vancouver, B.C., September 14-17,pp. 305-308. "Delta Modulation Technique for Utility Interface Systems," in Proceedings of the Canadian Conference on Electrical and Computer Engineering, Quebec, September 25-27, pp. 27.6.1-27.6.4 "Delta Modulation Technique for UPS Applications," in Proceedings of the Canadian Conference on Electrical and Computer Engineering, Vancouver, B.C., November 3-4, pp. 24-27.