The normal service cost per unit time of the th FLSP in the th service process, which is , , the same as below

The additional service cost per unit time of the th FLSP in the th service process

When the th service process is delayed, the delay cost per unit time incurred in the th service process

When the time of the th service process is compressed, the time compression cost per unit time incurred in the th service process

The normal service time of the th FLSP in the th service process

The additional service time of the th FLSP in the th service process

The expected operation time for the th service process set by LSI

The satisfaction of the th FLSP in the th service process

Weights of the th FLSP’s satisfaction in the th service process

Time delay coefficient for the th service process set by LSI

The upper limit of time delay or compression incurred in the th service process, which can be endured by the th service process

The lower limit of the satisfaction of the th FLSP in the th service process

The adjustment coefficient of the time delay or compression, in which R >0 means that the operation time is delayed. R<0 indicates that the operation time is compressed

The total cost of LSSC

The total delivery time of all processes in LSSC

The total satisfaction of FLSPs in LSSC

The minimum of the objective function when the objective functions and are not considered

The minimum of the objective function when the objective functions and are not considered

The minimum of the objective function when the objective functions and are not considered

The maximum of the objective function when the objective functions and are not considered

The maximum of the objective function when the objective functions and are not considered

The relationship cost coefficient of the LSI,

The objective function synthesized by and , which is also called the comprehensive performance of LSSC

Weight coefficients of the objective function in the comprehensive performance of LSSC

Weight coefficients of the objective function in the comprehensive performance of LSSC