Bi level Objective Model of Display Optimization for Urban Parking Guidance Message Signs

Abstract:

To address the problem that the optimal display results can hardly be obtained with singleobjective function model, the optimization model for parking guidance message signs display was formulated based on the bilevelobjective functions of minimizing the total parking queue length and the total arrival time. Through numerical example calculation,the optimal results between singleobjective function model and bilevelobjective functions model were compared. The result shows that the latter model has only one optimal display configuration, which can maximize the guidance benefit and be more coincident with drivers’ parking behavior. The bilevelobjectives model is of better applicability and feasibility,and can better optimize the parking guidance message signs display.

Key words:urban parking; guidance and information system; message signs display; bilevel objective model