Effect of Road Traffic Noise Pollution on Human Work Efficiency in Government Offices, Private Organizations, and Commercial Business Centres in Agartala City Using Fuzzy Expert System: A Case Study

Table 1

Input variables and output variable with their fuzzy values.

System’s; variable	Linguistic; variables	Linguistic; values	Fuzzy; intervals
Input	Noise level	L: low	35–55 dB (A)
		M: medium	50–70 dB (A)
		H: high	65–85 dB (A)
		VH: very high	80–100 dB (A)
		EH: extremely high	95–115 dB (A)
	Noise duration	Short	0–8 hour
		Medium	7–16 hour
		Long	14–24 hours
Output	Annoyance	ES: extremely small	0–0.2
		VS: very small	0.15–0.35
		S: small	0.30–0.50
		M: medium	0.45–0.65
		H: high	0.60–0.80
		VH: very high	0.75–0.95
		EH: extremely high	0.9–1