Stochastic Analysis of a Two-Unit Cold Standby System Wherein Both Units May Become Operative Depending upon the Demand

Table 1

Fixed parameter	Varied parameter	Profit
		Positive	Negative	Zero (cut-off point)
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, = INR 7000, = INR 1000, = INR 200, = INR 100,; = INR 400	α = 0.6/hr	λ < 0.0598	λ > 0.0598	λ = 0.0598
	α = 1.1/hr,	λ < 0.0796	λ > 0.0796	λ = 0.0796
	α = 1.6/hr	λ < 0.0943	λ > 0.0943	λ = 0.0943
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, /hr, λ = 0.003/hr,   = INR 1000, = INR 200, = INR 400	= INR 2400	> 395.00	< 395.00	= 395.00
	= INR 2500	> 530.00	< 580.02	= 530.00
	= INR 2600	> 690.00	< 690.00	= 690.00
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, α = 1/hr, λ = 0.003/hr, = INR 7000, = INR 200, = INR 400	= INR 1800	> 224.57	< 224.57	= 224.57
	= INR 2200	> 387.34	< 387.34	= 387.34
	= INR 2600	> 597.31	< 597.31	= 597.31
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, α = 1/hr, λ = 0.003/hr, = INR 7000, = INR 1000, = INR 400	= INR 1800	> 298.12	< 298.12	= 298.12
	= INR 2200	> 399.13	< 399.13	= 399.13
	= INR 2600	> 527.82	< 527.82	= 527.82
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, α = 1/hr, λ = 0.003/hr, = INR 1000, = INR 200, = INR 100	= INR 3000	> 495.63	< 495.63	= 495.63
	= INR 3100	> 580.02	< 580.02	= 580.02
	= INR 3200	> 745.19	< 745.19	= 745.19
γ 11 = 0.235/hr, = 0.07/hr, γ21 = 0.4213/hr, γ22 = 0.353/hr, α = 1/hr, λ = .003/hr, = INR 7000, = INR 200, = INR 100	= INR 3000	> 422.09	< 422.09	= 422.09
	= INR 3200	> 498.12	< 498.12	= 498.12
	= INR 3400	> 599.02	< 599.02	= 599.02
= 0.235/hr, = 0.07/hr, = 0.4213/hr, = 0.353/hr, α = 1/hr, λ = 0.003/hr, = INR 7000, = INR 1000, = INR 100	= INR 1800	> 298.79	< 298.79	= 298.79
	= INR 2400	> 448.07	< 448.07	= 448.07
	= INR 3000	> 599.13	< 599.13	= 599.13