Browsing by Author "Al-Hitmi M."
Now showing items 1-13 of 13
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A fuzzy logic based irrigation system enhanced with wireless data logging applied to the state of Qatar
Touati F.; Al-Hitmi M.; Benhmed K.; Tabish R. ( Elsevier B.V. , 2013 , Article)In arid regions, developing environment and crop-specific irrigation scheduling that reduces water lost via evapotranspiration is a key to a sustainable and better managed irrigation. This paper presents a practical solution ... -
CMV reduction in a three-to-seven phase direct matrix converter using SVPWM
Rahman K.; Al-Emadi N.; Al-Hitmi M.; Iqbal A. ( Institution of Engineering and Technology , 2019 , Article)The pulse-width modulation (PWM)-controlled modern electric drives causes some serious problems such as the generation of common-mode voltage (CMV) and high dv/dt. The CMV might cause high-frequency leakage currents that ... -
Employee perceptions of fairness toward IoT monitoring
Al-Hitmi M.; Sherif K. ( Emerald Group Publishing Ltd. , 2018 , Article)Purpose This paper aims to explore Internet of Things (IoT)-enabled monitoring in a multi-national petrochemical organization in Qatar and finds that the technology does not negatively influence employee perceptions of ... -
Energy Efficient Real time Outdoor Air Quality Monitoring System
Abdaoui A.; Ahmad S.H.M.; Tariq H.; Touati F.; Mnaouer A.B.; Al-Hitmi M.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Outdoor air quality monitoring (OAQM) is of great importance to human health and environment. Engineers and researchers are increasingly focusing their efforts on the design of real-time OAQM systems using wireless sensor ... -
Low-order harmonics control in staircase waveform useful in high-power application by a novel technique
Ahmad S.; Al-Hitmi M.; Iqal A.; Ashraf I.; Meraj M.; Padmanaban S.... more authors ... less authors ( John Wiley and Sons Ltd , 2019 , Article)Few switching transition in high-power and medium-voltage application of power converters is desirable. The optimal pulse-width modulation (OPWM) at fundamental switching frequency offers a better quality waveform at lower ... -
A New Low Cost Linear Resolver Converter
Ben-Brahim, L.; Benammar, M.; Alhamadi, M.A.; Al-Emadi, N.; Al-Hitmi, M.A. ( IEEE , 2008 , Article)A new low cost converter topology is proposed for sinusoidal position encoders. The converter enables determination of the angle from the sine and cosine signals of the encoder. When used with resolvers, the implementation ... -
An open-loop technique for angle determination from position encoders
Benammar, M.; Ben-Brahim, L.; Alhamadi, M.A.; Al-Emadi, N.; Al-Hitmi, M. ( IEEE , 2008 , Conference Paper)The paper presents a novel technique for the determination of the angle from low-frequency quadrature cosinusoidal signals produced, for example, by position sensors. In the presented scheme applied to a resolver, the ... -
Platoon Transitional Maneuver Control System: A Review
Badnava, S.; Meskin, Nader; Gastli, A.; Al-Hitmi, M.A.; Ghommam, J.; Mesbah, M.; Mnif, F.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Connectivity and autonomy are considered two of the most promising technologies to improve mobility, fuel consumption, travel time, and traffic safety in the automated transportation industry. These benefits can be realized ... -
PV power prediction in Qatar based on machine learning approach
Benhmed K.; Touati F.; Al-Hitmi M.; Chowdhury N.A.; Gonzales A.S.P.; Jr.; Qiblawey Y.; Benammar M.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)PV output power is highly sensitive to many environmental parameters, hence, power available from plants based on this technology will be affected, especially in harsh environments such that of Gulf countries. In order to ... -
Reinforcement Learning-based Control of Signalized Intersections having Platoons
Berbar, A.; Gastli, A.; Meskin, Nader; Al-Hitmi, M.; Ghommam, J.; Mesbah, M.; Mnif, F.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Smart transportation cities are based on intelligent systems and data sharing while human drivers generally have limited capabilities and imperfect observations in traffics. The perception of Connected and Autonomous Vehicle ... -
A resolver converter based upon a novel open-Loop Technique
Benammar, M.; Ben-Brahim, L.; Alhamadi, M.A.; Al-Emadi, N.; Al-Hitmi, M. ( IEEE , 2008 , Conference Paper)The paper presents a novel technique for the determination of the angle from slowly-varying quadrature co-sinusoidal signals produced, for example, by position sensors. In the presented scheme applied to a resolver, the ... -
Selective harmonic elimination in awide modulation range using modified Newton-raphson and pattern generation methods for a multilevel inverter
Al-Hitmi M.; Ahmad S.; Iqbal A.; Padmanaban S.; Ashraf I. ( MDPI AG , 2018 , Article)Considering the aim of having low switching losses, especially in medium-voltage and high-power converters, the pre-programmed pulse width modulation technique is very useful because the generated harmonic content can be ... -
Sliding mode control based dtc of sensorless parallel-connected two five-phase pmsm drive system
Kamel T.; Abdelkader D.; Said B.; Al-Hitmi M.; Iqbal A. ( Korean Institute of Electrical Engineers , 2018 , Article)This paper presents a sensorless direct torque control (DTC) combined with sliding mode approach (SM) and space vector modulation (SVM) to achieve mainly a high performance and reduce torque and flux ripples of a ...