A Long-Term Shared Autonomous Vehicle System Design Problem considering Relocation and Pricing

Table 2

Variables and parameters used in the long-term planning of the SAV system.

Notations	Description
Parameters
K	Set of the planning periods, indexed as
	Unit construction cost for a station at zone i
	Unit construction cost for a parking space at zone
	Unit purchase cost for an SAV in k-th periods
	Interest rate
	Discount factor in the k-th planning period
	The total number of operational days in a year
	The maximum number of parking spaces at zone
Decision variables
	If there is a station built at zone at the beginning of k-th period
	The number of parking spaces at zone at the beginning of k-th period
	The total fleet size at zone at the beginning of k-th period