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

Table 1

List of parameters.

Symbols	Definitions
	Set of upcoming ships
	Set of prioritized ships
	Set of locks
	Set of segments of the waterway
	Set of lockages
	Set of ship speed
	Width of lock
	Length of lock
	Width of ship
	Length of ship
	Minimal safety distance between ships next to each other horizontally
	Minimal safety distance between ships behind each other
	Minimal safety distance between ships and the front and back chamber
	Sailing time of ship when it chooses speed
	Arrival time of ship into the controlled area
	The processing time of ship entering and leaving the chamber
	The earliest available time of the lock