Technoeconomic Assessment Based on Active Context-Knowledge Orchestration for Power Internet of Things

Table 3

The normalizing value of the three-level index.

Secondary index	Three-level index	The value of three-level index
Ubiquitous perception ability	Terminal deployment coverage	0.89
	Accuracy of data collection	0.86
	Variety of terminal perception frequency	0.91
	Diversity of sensing data	0.92
Applications’ QoS guarantee	Ability of data sharing	0.87
	Reliability for meeting application requirements	0.88
	Communication quality of service	0.94
	Quality of data processing	0.90
Security protection ability	Security and robustness	0.90
	Ability of preventing data leakage	0.92
	Ability of resisting natural disasters	0.96
Maintenance management ability	Degree of equipment maintenance automation	0.91
	Degree of precise equipment management	0.86
	Flexibility of equipment delivery and configuration	0.85
Cost	Cost of construction	0.84
	Cost of maintenance	0.83
Direct benefits	Decreased cost of human resource	0.82
	Saved cost of equipment operation	0.88
Indirect benefits	User satisfaction	0.85
	Improved quality of power supply	0.86
Comprehensive index	Payback period	0.85
	Net present value	0.87
	Annual cost	0.91