Dr. AKM Abdul Malek Azad

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    Low cost cylindrical lumen testing procedure in Bangladesh perspective
    (© 2013 IEEE Computer Society, 2013) Khan, S. A.; Rahman, Rifat; Shabnam, Farah; Azad, Dr. Md. AKM Abdul Malek
    Due to having several Solar Home System components manufacturers, overall quality of LED lamps varies from organization to organization. This unstable quality is increasing with the number of SHS installation and thus the system inefficiency. Hence, testing of LED lamps used in SHS is very important. However, existing procedure using the integrated sphere system for lumen test is quite costly in our country's perspective. Considering the situation, this research presents a low cost cylindrical procedure for lumen testing. The effectiveness of our novel system is tested in this paper. This research also includes the testing results from CARG lab, BRAC University.