Identification of Contamination Control Strategy for Fluid Power System Using an Inexact Chance-Constrained Integer Program

Table 5

Initial contaminant ingression/generation rates of hydraulic components.

Contaminant particle divisions	1	2	3	4	5	6	7	8	9
	Low level (×10^3 number of particles/min)
𝑅^±1nm	[25,35]	[7,8]	[2.5,3.5]	[0.7,1.6]	[0.55,0.65]	[0.18,0.3]	[0.07,0.15]	[0.03,0.09]	[0.017,0.025]
𝑅^±2nm	[100,400]	[28,32]	[10,14]	[2.8,6.4]	[2.2,2.6]	[0.72,1.14]	[0.28,0.6]	[0.12,0.36]	[0.068,0.1]
𝑅^±3nm	[50,70]	[14,16]	[5,7]	[1.4,3.2]	[1.1,1.3]	[0.36,0.52]	[0.14,0.2]	[0.06,0.18]	[0.034,0.05]
	Medium level (×10^4 number of particles/min)
𝑅^±1nm	[33,36]	[9,13]	[3,7]	[1,3]	[0.5,1.5]	[0.2,0.45]	[0.1,0.25]	[0.08,0.11]	[0.007,0.027]
𝑅^±2nm	[132,144]	[36,52]	[12,28]	[4,12]	[2,6]	[0.8,1.8]	[0.4,1]	[0.32,0.44]	[0.028,0.108]
𝑅^±3nm	[66,72]	[18,26]	[6,14]	[2,6]	[1,3]	[0.4,0.9]	[0.2,0.5]	[0.16,0.22]	[0.014,0.054]
	High level (×10^4 number of particles/min)
𝑅^±1nm	[255,270]	[85,100]	[40,50]	[10,20]	[7.5,8.5]	[2.5,3.5]	[1,2]	[0.5,1]	[0.1,0.2]
𝑅^±2nm	[1020,1080]	[340,400]	[160,200]	[40,80]	[30,32]	[10,14]	[4,8]	[2,4]	[0.4,0.8]
𝑅^±3nm	[510,540]	[170,200]	[80,100]	[20,40]	[15,16]	[5,7]	[2,4]	[1,2]	[0.2,0.4]