Education

• 1996

  Bachelor degree from Department of MathematicsFaculty of Science, Helwan University, حلوان, مصــــــــر

• 2001

  Master degree from Department of MathematicsFaculty of Science, Helwan University, حلوان, مصــــــــر

• 2006

  Doctorate degree from Department of MathematicsFaculty of Science, Helwan University, القاهرة, مصــــــــر

Employment

• 2010-2012

  Assistant Professor, Baha University, الباحة, المملكة العربية السعودية

Research Interests

Scientific interests

2001

1. On Analyzing Randomized Blocks by weighted Ranking , M.S.El-Sherbeny, Ezz H. Adelfatttah, A. R. Karmous,Pakistan Journal of Statistics, Vol. 17, September, No.3, pp249, 2001

2005

1. Profit analysis of a two unit cold standby system with preventive maintenance and random change in units, Mohamed. S. El- Sherbenyand and Khaled, M. El-Said, Journal of Mathematics and Statistics, Vol. 1, No. 1, pp. 71- 77, 2005.
2. Evaluation of reliability and availability characteristics of two different systems by using linear first order differential equations, Mohamed. S. El- Sherbeny and  Khaled, M. El-Said, Journal of Mathematics and Statistics, Vol. 1, No. 2, pp.119-123, 2005.

2006

1. Comparing of reliability characteristic between two different systems, Mohamed. S. El- Sherbeny and Khaled, M. El-Said, Applied Mathematics and Computation, Vol. 173, Issue. 2, pp. 1183-1199, 2006.

2008

1. Human Error and Partial Hardware Failure Modeling of Parallel and Standby Redundant System,  M. Salah El-Sherbeny, G. S. MOKADDIS and Entesar Al- Esayeh, Jour. Of Inst. of Maths. & Computer Sciences, Vol. 19, No. 2, pp 141-152, 2008.
2. A dissimilar two-unit parallel system with common-cause failure and preventive maintence, M. Salah El-Sherbeny, G. S. MOKADDIS and Entesar Al- Esayeh, Jour. Of Inst. of Maths. & Computer Sciences, Vol. 19, No. 2, pp 153-167, 2008.

2009

1. Stochastic Behavior of Redundant Complex System with Two Types of  Failure, M. Salah El-Sherbeny, G. S. MOKADDIS and Entesar Al- Esayeh, Journal of Mathematics and Statistics, Vol. 5, No. 2, pp 112-117, 2009.
2. Stochastic Behavior of a Two-Unit Warm Standby System with Two Types of Repairmen and Patience Time, M. Salah El-Sherbeny, G. S. MOKADDIS and Y. Mahmoud Ayid, Journal of Mathematics and Statistics, Vol. 5, No. 1, pp 42-46, 2009.
3.  Stochastic Behavior of a two different systems with two-unit warm standby, M. Salah El-Sherbeny, G. S. MOKADDIS and Yasser. M. Ayid, International J. of Math. Sci. &Engg. Appls. (IJMSEA), Vol. 3, No. 1, pp. 329-338, 2009.
4. Cost analysis of a two-unit cold standby system with imperfect switch, patience time and two-type of repair, M. Salah El-Sherbeny, A. M. Rashad and Z. M. Hussien, Journal of the Egyptian mathematical society, Vol. 17, No. 1, pp. 65-81, 2009.
5. The optimal system for series systems with warm standby components and a repairable service station, M. Salah El-Sherbeny, A. M. Rashad and D. M. Gharieb ,Pak. J. stat. oper. Res.,Vol. V, No. 1, pp. 1-17, 2009.

2010

1. Stochastic analysis of a two-unit cold standby system with two-stage repair and waiting time, Mohamed. S. El- Sherbeny and  Khaled, M. El-Said, Sankhy¯a : The Indian Journal of Statistics, Volume 72, Issue 1, pp 1-10, 2010.
2. Compare Between Two-Unit Cold Standby and Warm Standby Outdoor Electric Power Systems in Changing Weather, M. Salah El-Sherbeny, G. S. MOKADDIS and Entesar Al- Esayeh, Journal of Mathematics and Statistics, Vol. 6, No. 1, pp 17-22, 2010.
3. The optimal system for series systems with mixed standby components, M. Salah El-Sherbeny , journal of Quality in Maintenance Engineering, Vol. 16, No. 3, pp 319-334, 2010.

2012

1. Optimal system for warm standby components in the presence of standby switching failures, two types of failures and general repair time,  Mohamed Salah El-Sherbeny , International Journal of Computer Applications, Vol. 44, No. 20, pp 17-26, 2012.
2. Cost benefit analysis of series systems with mixed standby components and k-stage Erlang repair time, Mohamed Salah El-Sherbeny , International Journal of Probability and Statistics, Vol. 1, No. 2, pp 11-18, 2012.
3. Characteristic reliability measures of mixed standby components and asymptotic estimation, M. Salah El-Sherbeny and Essam K. Al-Hussaini, International Journal of Statistics and Applications, Vol. 2, No. 3, pp 11-23, 2012.

2013

1. Stochastic analysis of a two non-identical unit parallel system with different types of failures subject to preventive maintenance and repairs, Mohamed Salah El-Sherbeny , Mathematical problems in engineering, Vol. 2013, ID:192545, 10 Pages, 2013.

2014

1. Asymptotic estimation for availability of system with mixed standby components, general repair distribution, reboot delay and imperfect fault coverage, Mohamed Salah El-Sherbeny and Elsayed ElmondyElshoubary, Wulfenia journal, No. 5, volume. 21, pp 261-272, May 2014.
2. The optimal system for series systems with mixed standby components and imperfect coverage, Mohamed Salah El-Sherbeny, Wulfenia journal,  No.9, volume 21, Sep 2014

2015

1. Using GERT technique and simulation approach for the optimal series system with mixed standby components and imperfect switch, Mohamed Salah El-Sherbeny and Elsayed Elmondy Elshoubary,Jokull Journal ,Vol 65, No. 1, pp 31-59, Jan 2015.

2016

1. Stochastic analysis of a system with cold standby, general distribution and random change in units, Mohamed Salah El-Sherbeny, Applied Mathematics & information Sciences, Vol. 10, No. 2, pp 1-6, 2016.

2017

     1.Stochastic Behavior of a Two-Unit Cold Standby Redundant System       Under Poisson Shocks, Mohamed Salah El-Sherbeny, Arabian Journal for Science and Engineering, 42:3043–3053, 2017.

2018

1. Interval Estimation of the Availability of a Two-Compressor with Erlangian Repair Time, Mohamed S. EL-Sherbeny,  Zienab M. Hussien, Applied Mathematics, 8(3): 46-61, 2018.

2019

1. Cost analysis of series systems with different standby components and imperfect coverage, Mohamed S. EL-Sherbeny,  Zienab M. Hussien, Applied Mathematics, 29(2): 21-41, 2019.

2020

1. Reliability analysis of a two-unit cold standby system with arbitrary distributions and change in units, Mohamed S. EL-Sherbeny, M. A. W. Mahmoud,Zienab M. Hussien, Life Cycle Reliability and Safety Engineering, 9(2): 2020

Courses

Areas of expertise