Optimizing Lock Operations and Ship Arrivals through Multiple Locks on Inland Waterways

Table 2

List of variables.

Symbols	Definitions
	Ship ’s position on x-axis in lock
	Ship ’s position on y-axis in lock
	=1 if ship is on the completely left side of ship in lock
	=1 if ship is behind ship in lock
	=1 if ship is processed at lockage of lock
	Completion time of lockage of lock
	Processing time of lockage of lock
	Arrival time of ship at the lock
	Departure time of ship from lock
	Preparation time of ship before entering lock
	=1 if ship chooses speed at segment
	Sailing time of ship in segment
	Entering time of ship to segment