Portfolio

Currently, I am working as an Assistant Engineer (Electrical) at the engineering office of Jatiya Kabi Kazi Nazrul Islam University since November 2018.

Office Address

Renewable Energy, Machine learning, Smart Grid, Internet of Things (IoT), Energy-saving potential of photovoltaic windows, Autonomous Vehicle, Cybersecurity

• Z. Nayem, I. Ahmed and L. K. Biswas. “Solar Powered Explorer Robotic System Using GSM Technology”. 2018 International Conference on Advancement in Electrical and Electronic Engineering (ICAEEE), Gazipur, Bangladesh, 2018, pp.1-4, doi: 10.1109/ICAEEE.2018.8642996.

• Nahar, K., Jahiruddin, M., Islam, M. R. and Nayem, Z, 2020. "Improvement of nutrient concentration in rice grain by zinc biofortification". Asian Journal of Advances in Agricultural Research 14(2): 41-47

• Nayem, Z, L. K. Biswas. "Mobile Phone Controlled Robots Using DTMF Technology: An Innovative Approach for Efficient and Versatile Control". International Conference on Technology, Business and Justice Towards Smart Bangladesh (ICTBJ-2023), Trishal, Mymensingh, Bangladesh, 2023, pp. 55-56

Title: Performance Optimization of CZTS & CZTSe Based Thin Film Solar Cell by Optimizing Material Parameters

Title: Solar Powered Explorer Robotic System using GSM Technology 

1. Completed a training program on National e-Government procurement (e-GP) System as Procuring Entity (PE) User.

2. Completed  a training program on Microcontroller and Robotics at the ‘PiLabsbd’ 

1. Insect detection in a grain storage 

   • Detect and quantify the population of insects by processing the image of the warehouse’s interior and monitoring the humidity, temperature, and environment. 

   • MATLAB, Arduino, Image processing

2. Autonomous File Carrier Robot 

   • Designed an algorithm and developed a robot to carry file to the destination following shortest path.

   • C, Arduino

3. Designed path Remembering Robot 

   • Developed a car using Arduino that can remember its traversed path and retrace back. 

   • MATLAB, Arduino

4. Explorer Robot 

   • developed a robot that can be controlled by a mobile phone command.

   • This robot can stream video through mobile network, wifi and traced on map and retraced at signal failure.

   • It can pick up objects and fire targets with the attached gun.

   • Mobile phone, Microcontroller, WiFi

5. Mobile operated Automatic water level indicator & controller 

   • Designed and developed an automatic water pump controller that senses and indicates water level of tank.

   • A simple mobile phone call can manually switch the pump on or off at any water level or automatically at a predefined water level.

   • GSM Module, Electronic Components

6. Duplex communication system with RS232 GSM module 

   • Developed a communication system that allows for duplex mode audio calls and text messaging.

   • Flowcode, RS232 GSM

7. Solar Induction Cooker 

   • Designed a low cost, higher efficient solar powered induction cooker by redesigned the controller unit.

   • Analyzed the performance of the cooker by studying global sun radiation, cooker input power, output temperature and water boiling time.

   • Microcontroller, L-C Tank, Induction Coil

8. Feasibility study of an off grid solar PV system 

   • Analysed net present value, simple payback, equity payback, benefit cost ratio, total initial cost.

   • The project’s fiscal and economic viability with a specified load, energy consumption, and energy provided to a specific grid unit was analyzed.

   • RETScreen

• Languages: C/C++, Python, x86 Assembly, HTML, Oracle, Flowcode

• Tools: MATLAB, Simulink, Octave, NI Multisim, Proteus, Optisystem, Cisco Packet Tracer, NS3, RETScreen, SCAPS-1D, LATEX

• Devices & Modules: Microcontroller, Arduino, Raspberry Pi, GSM module, Wifi Module, Bluetooth Module, Pyranometer, Pyrheliometer, Campbell–Stokes recorder, Function Generators, Oscilloscope, Charge Controller, PV Module

Sanction for Visit of Bangladesh delegation to observe the Science & Technology Museum of kolkata in India during 23th April to 27th April 2018. [Link]