Day Surgery Scheduling and Optimization in Large Public Hospitals in China: A Three-Station Job Shop Scheduling Problem

Table 1

Parameters and descriptions.

Parameter	Description
	Set of facility resources
	Set of operations
	Set of personnel resources
	Set of day surgery types
	Set of jobs
	Set of facility resources used by the operation i,
	The processing time of the operation under resource
	The setup time of operation
	The cleanup time of operation
	The maximum waiting time allowed for operation before it is moved to the next stage
	The available starting time of the resource
	The available ending time of the resource
	Huge number
	Very small weight factor
	Dummy operation of zero duration, is after all operations
	Job to which operation belongs to
	Operation processed by surgeon , belonging to type of surgery ,
Decision variables
	Starting time of operation of the day surgery under resource
	Leaving time of operation of the day surgery under resource
	Starting time of dummy operation