
10.4 Objective Functions and Constraints
■
433
■
Minimize risk
■
Minimize slippage
■
Maximize crew efficiency
■
Minimize travel time
Crew scheduling typically minimizes the scheduled completion times
for each job as its primary objective. A schedule, however, can have
multiple objective functions. These objective functions are often in con-
flict with each other. We can, for example, minimize the cost of jobs
by assigning less experienced crews or scheduling jobs when less expen-
sive resources become available. However, this might conflict with the
completion date minimization or risk minimization objective functions.
Evaluating Objective Functions
In a multiobjective ...