@inproceedings{rahman_khan_2021, title={Solar Energy based Net Metered Easy-Bike Charging Station in Bangladesh}, ISBN={9781665414609}, url={http://dx.doi.org/10.1109/icict4sd50815.2021.9396847}, DOI={10.1109/icict4sd50815.2021.9396847}, abstractNote={Design of a solar-powered Easy-Bike charging station has been illustrated here. The net metering (NEM) connection has been used to supply excess power to the grid. During the night the energy is taken from the grid to charge the vehicles. This eliminates the requirement of the batteries which reduces the investment significantly. The system can run without subsidy as there is no need for a battery storage system and their regular replacement. The generation from the PV system has been obtained from PVsyst simulation. Cost analysis between a PV system with a Battery Energy Storage System (BESS) and a system with NEM has also been carried out. Considering the results, the proposed design has great potential to save costs and reduce environmental impact.}, booktitle={2021 International Conference on Information and Communication Technology for Sustainable Development (ICICT4SD)}, publisher={IEEE}, author={Rahman, Mohammad Mahinur and Khan, Md. Ziaur Rahman}, year={2021}, month={Feb} }
 @inproceedings{shuvo_akib_rahman_islam_rashid_mahnaz_anwar_fattah_shahnaz_2020, title={Analog Signal Processing Based Hardware Implementation of Real-Time Audio Visualizer}, ISBN={9781728173665}, url={http://dx.doi.org/10.1109/tensymp50017.2020.9230976}, DOI={10.1109/tensymp50017.2020.9230976}, abstractNote={Of late, signal processing is having an impact on a wide range of applications, from general radio signal processing and transmission to sophisticated biomedical applications. Despite not being as popular as its digital counterpart, analog signal processing has great applications in sound signal processing, noise elimination, biomedical signal processing and provides a cheap and effective alternative to digital signal processing. This paper proposes an application of analog audio signal processing for entertainment. The proposed design includes splitting of the audio spectrum by 2nd order Chebyshev filters into eight distinct spectra, processing of the spectrum and visually implementing them on a twelve storied building in realtime using Christmas lights. This is an exemplary work of application of analog signal processing using analog circuitry in the entertainment industry.}, booktitle={2020 IEEE Region 10 Symposium (TENSYMP)}, publisher={IEEE}, author={Shuvo, Shuvangkar and Akib, Abir Ahsan and Rahman, Mohammad Mahinur and Islam, Tanveerul and Rashid, Raihan Ur and Mahnaz, Saraf and Anwar, Md Shakil and Fattah, Shaikh Anowarul and Shahnaz, Celia}, year={2020} }
 @inproceedings{rahman_khan_2020, title={Design and Performance Assessment of a Locally Developed Solar Pipe Light}, ISBN={9781665422543}, url={http://dx.doi.org/10.1109/icece51571.2020.9393057}, DOI={10.1109/icece51571.2020.9393057}, abstractNote={In recent times, there has been an increased demand for alternative energy sources in place of conventional sources for improved environmental conditions, and sustainable way of living. Utilization of daylight for illumination of building interior in place of electricity is a viable means of energy saving. A simple, cost-effective product for daylight exploitation is a solar pipe light. In this context, the design of a solar pipe light is proposed which can redirect natural light without bringing in glare or excessive heat. The design has been constructed and tested in a laboratory. The constructed sample has been implemented at the RIMSO Foundation Battery Manufacturing Factory and its performance has been evaluated at different weather conditions based on Daylight Factor (DF), minimum Daylight Autonomy (DAm), and Useful Daylight Illuminance (UDI). A desirable DF at both laboratory tests and field tests proves the usefulness of the solar pipe light. Considering the results, solar pipe light has great potential to serve the needs for sustainable alternative lighting in the context of Bangladesh.}, booktitle={2020 11th International Conference on Electrical and Computer Engineering (ICECE)}, publisher={IEEE}, author={Rahman, Mohammad Mahinur and Khan, Md. Ziaur Rahman}, year={2020}, month={Dec} }
 @inproceedings{rezaul awal_mahinur rahman_nazrul islam_al-hossain_rahman khan_2019, title={Energy Consumption Analysis of Electric Three Wheelers in Bangladesh}, ISBN={9781728155616}, url={http://dx.doi.org/10.1109/peeiacon48840.2019.9071938}, DOI={10.1109/peeiacon48840.2019.9071938}, abstractNote={Over a decade the charging of locally available electric vehicles like easy-bikes and motorized rickshaws have been imposing a significant amount of load on the national grid of Bangladesh. Because of the large number of these electric vehicles being charged at specific hours of the day, their charging load has brought about a great concern for the power distribution system. In this paper, a statistical analysis has been performed to study the effect of charging electric vehicles on the daily load curve. In doing so, the daily load curve of 2005 was mapped to the load curve of 2018 and was compared to observe the effect, considering different percentages of electric vehicles connected to the grid for charging. Also, peak generation and respective hours for the last eleven years were also analyzed to spot the shift in the peak generation time during peak hours.}, booktitle={2019 IEEE International Conference on Power, Electrical, and Electronics and Industrial Applications (PEEIACON)}, publisher={IEEE}, author={Rezaul Awal, Md. and Mahinur Rahman, Mohammad and Nazrul Islam, A K M and Al-Hossain, Junaed and Rahman Khan, Md. Ziaur}, year={2019}, month={Nov} }
 @inproceedings{rahman_uddin_kabir_2017, title={Voice and EMG signal based low-cost automated assistive arm}, ISBN={9781538621752}, url={http://dx.doi.org/10.1109/r10-htc.2017.8288961}, DOI={10.1109/r10-htc.2017.8288961}, abstractNote={Utilization of electromyogram (EMG) signal is one of the most utilitarian and practical methods of developing a prosthetic or orthotic limb. In addition to EMG, voice recognition method can also be convenient and applicable in specific situations. In this article, a pragmatic and cost effective method of constructing a prosthetic arm using the mentioned two different signals is presented. Post-filtering was performed on the EMG signal and necessary features were extracted and evaluated while the voice input was processed by the specific Android application. The developed prosthetic arm has been able to perform standard tasks such as extension and grabbing things that are out of reach with appreciable success. Experiments were carried out to evaluate the performance and user-friendliness of the developed arm and the results suggest that this prosthetic arm has the potential to assist in the day-to-day activities of persons with disabilities or below-elbow amputees.}, booktitle={2017 IEEE Region 10 Humanitarian Technology Conference (R10-HTC)}, publisher={IEEE}, author={Rahman, Mohammad Mahinur and Uddin, Azim and Kabir, Shahriar}, year={2017}, month={Dec} }
 @inproceedings{fattah_rahman_mustakin_islam_khan_shahnaz_2017, title={Wrist-card: PPG sensor based wrist wearable unit for low cost personalized cardio healthcare system}, ISBN={9781509060467}, url={http://dx.doi.org/10.1109/ghtc.2017.8239326}, DOI={10.1109/ghtc.2017.8239326}, abstractNote={Of late, modern lifestyle has noticeably accentuated several health hazards related to cardiovascular diseases (CVDs). A simple, cost efficient but effective way out of this threatening health issue can be the prevention of these diseases beforehand by ensuring customized routine exercise and regular health checkup. In this context, we propose Wrist-Card, a photoplethysmogram (PPG) sensor based wrist wearable unit (WWU) and a personalized healthcare android application, to monitor the cardio-health of the user and guide with customized feedback measured from the health indexes for the effective prevention of CVDs at low cost. ‘Wrist-Card’ consists of three components: a low-cost PPG sensor, Wrist Wearable Unit (WWU) and an Android application. The WWU mainly consists of a microcontroller, Bluetooth module and power-supply, all embedded into a single printed circuit board (PCB). Our proposed system provides a concurrent monitoring of health indexes such as heart rate, heart rate variability, pressure, blood oxygen saturation and blood glucose level with the help of PPG. The proposed system provides an average absolute error (AAE) of 2.63 beats per minute (BPM) with a standard deviation of 1.42 BPM from the measurements taken from standardized measuring unit for 10 test subjects. However, sensor noise as well as some forms of motion artifacts can be attributed to the deviations of the obtained results from the ground truths. Considering the global acceleration of CVDs, our proposed low cost and affordable Wrist-Card would offer a smart and efficient preventive approach against CVDs, therefore working as a humanitarian platform to reduce the mortality rate across the world.}, booktitle={2017 IEEE Global Humanitarian Technology Conference (GHTC)}, publisher={IEEE}, author={Fattah, Shaikh Anowarul and Rahman, Mohammad Mahinur and Mustakin, Nafis and Islam, Mohammad Tariqul and Khan, Asir Intisar and Shahnaz, Celia}, year={2017}, month={Oct} }