Mohammad Rejwan Uddin, Zaima Tasneem, Saila Ishrat Annie, Khosru M Salim
For simple structure and lower maintenance cost, electric vehicles are popular in this sub-continent. As passenger vehicles, easy bikes are being widely used in Bangladesh. Mainly, iron core transformer based bulky chargers with efficiency lower than 80% are used to charge more than 10 million easy ...
Istiak Ahammad Limon, Ali Daud Hossain, Khan Farhan Ibne Faruque, Mohammad Rejwan Uddin et al.
Due to the presence of hazardous gasses at high levels, some regions are physically very difficult for humans to approach. This paper presents a project idea seeks to simplify the task of monitoring the air quality in hard-to-reach areas. This would help to know the air quality of that region. The s...
Md. Safiqul Islam, Md. Rejwanoor Rahman, Mohammad Dalower Hossain Prodhan, Debasish Sarker et al.
Zarif Wasif Bhuiyan, Syed Ali Haider, Adiba Haque, Mohammad Rejwan Uddin et al.
Meat quality and safety are critical concerns in the food industry, especially for products like beef and mutton, which are susceptible to spoilage and fraud. Traditional methods of assessing meat freshness and species classification, such as manual inspection, are often inefficient and prone to err...
Md. Rezanul Haque, Saurav Das, Mohammad Rejwan Uddin, Md. Saiful Islam Leon et al.
This paper presents the design and evaluates the system performance of one-kilowatt capacity asynchronous and synchronous buck converter based solar-powered charging systems for battery-driven electric vehicles. The dc motor-operated three-wheeler rickshaw was taken for testing the systems, where a ...
Mohammad Rejwan Uddin, Khan Farhan Ibne Faruque, Palash Das, Khosru M Salim
Easy bikes or electric auto-rickshaws are the foremost commonly used electric vehicle in Bangladesh. Mainly, iron core transformer-based bulky chargers with an efficiency of up to 75% are employed to charge quite 1 million easy bikes daily without any smart controls. Implementation of power electron...
Khan Farhan Ibne Faruque, Nuzhat Nawshin, Md. Fahim Bhuiyan, Mohammad Rejwan Uddin et al.
In Bangladesh with this immense problem of traffic the most compatible among all vehicles is bicycle. Though it is very user friendly, it requires massive amount of mechanical energy for pedaling for which the concept of incorporating electricity in bicycle came in mid-20th century. With the develop...
Hasin Eshrak, Mohammad Rejwan Uddin, Asif Mahmood, Mahady Hasan
The majority of paralysis sufferers have difficulty communicating as well as moving certain body parts. An automated paralysis patient healthcare system can be incredibly valuable to these individuals. It's a computerized healthcare system. By moving any part of their body that can move, a disabled ...
Mehedi Noor Khan, Fariha Sayeed Oishi, Kazi Mayesha Mehzabin, Mehadi Hassan Khan et al.
The IoT patient health monitoring system powered by solar panels is an innovative idea that uses the Internet of Things (IoT) and renewable energy to electronically monitor patient health. The system is comprised of various sensors that are coupled to an ESP8266 microcontroller, which sends the coll...
Khan Farhan Ibne Faruque, Mohammad Rejwan Uddin, Md. Iftadul Islam Sakib, Khosru M Salim
This paper presents a high-power density onboard integrated charger with multiple outputs-based H-bridge converters for BMS (Battery Management System) integrated li-ion battery bank used in upgraded electric vehicles. The proposed converter can operate as AC to DC battery charger and to transfer po...
Md. Rejwanoor Rahman, Md. Safiqul Islam, Mohammad Dalower Hossain Prodhan, Md. Khabir Uddin
Organochlorine pesticides including DDT and its derivatives used in dry fish in Bangladesh till 2019 has been reviewed in this article. Level of organochlorine pesticide residues remain in dry fish in Bangladesh were collected from previously published peer-reviewed journals and the risk assessments...
Khosru M Salim, Md. Jasim Uddin, Mosfequr Rahman, Mohammad Rejwan Uddin
Electric three-wheeler auto rickshaws known as easy bikes are becoming quite common in Bangladesh. Due to obvious advantages offered by these vehicles such as zero carbon emission and no requirement of gas encourages people to transition from traditional fuel-operated vehicle to electric vehicles. T...
Farhan Zaman Ha-mim, Safina Islam Aboni, Marufa Akhter Mim, Mohammad Rejwan Uddin et al.
Over 87% of the Bangladeshi rural population depends on agriculture. The development of sedentary human civilization depends on agriculture. Therefore, the agriculture sector must be developed. Every day, the globe becomes more technologically advanced, thus we must adjust our agriculture sector. Io...
Mohammad Rejwan Uddin, Palash Das, Mahabub Hasan Rafi, Marium Ahsan et al.
Currently, a big issue is people’s inability to gain entry to health monitoring systems. Internet of Things (IoT) based solutions to remotely track a patient’s vitals are abundant in the fight against this issue. In this article, an IoT based health monitoring system that can track the patient’s cor...
Mohammad Rejwan Uddin, Zaima Tasneem, Saila Ishrat Annie, Khosru M Salim
With the improvement of technology and economic enhancement, people are now using fuel or grid powered machine for food processing. Among all agricultural crops, rice is the main crop cultivated in Bangladesh and a high efficient processing is required for this. But excessive rise of fuel prices and...
Mohammad Rejwan Uddin, Mohammad Rabiul Hossen, Khosru M Salim
Electric motors are used to pump water in multistoried building. Total power consumed by those motors is huge in urban area. By implementing a renewable energy source to run those motors can save energy from national grid. The purpose of this paper is to provide information about planning and instal...
Ikram Hossain Akif, Mohammad Rejwan Uddin, Asif Mahmood, Mahady Hasan
IoT-based medical wearable device developed for continuous health monitoring, with a focus on establishing Electronic Health Records (EHRs). The device employs Internet of Things (IoT) technology, allowing the patient to passively communicate crucial live information such as blood pressure, oxygen s...
Mohammad Rejwan Uddin, Md. Iftadul Islam Sakib, Khan Farhan Ibne Faruque, Nazmus Sakib et al.
This paper presents a solar-powered DC/AC drivetrain design for an electric boat with a portable irrigation system. The optimal boat has 35 PV modules each of 95W (total 3. 3kW), 20 Lead-Acid batteries of 12V90Ah (total 21kWh) as power sources. An induction motor (IM) of 5HP to run the boat and a pu...
Mohammad Rejwan Uddin, Zaima Tasneem, Md. Fahim Bhuiyan, Mehadi Hassan Khan et al.
This paper presents multiple systems integration schemes with the solar micro-off-grid by using 3-phase variable frequency drive (VFD) inverters. The integrated system (IS) combines two crystalline photovoltaic (PV) arrays of 4.2kWp and 2.8kWp respectively. Considering small industrial applications,...
Khosru M Salim, Jasim Uddin, Mohammad Rejwan Uddin, Saila Ishrat Annie et al.
It is mandatory in Bangladesh to install solar panel on the rooftop of a newly build apartment or factory in order to get utility connection from the service provider. The most cost-effective and efficient way of producing energy using solar panel is to connect the panels to the utility grid through...