Kankolongo C. Kambaya

Department of Electronic, Institut Supérieur de Pédagogie Technique, ISPT/Likasi, DRC

Katond JP. Mbay

Department of Electro-mechanic, University of Lubumbashi, DRC

Diambomba H. Tungadio

Department of Electrical, Electronics and Computer Engineering, University of Pretoria, South Africa