A MODEL-FREE ADAPTIVE CONTROL APPROACH FOR FREEWAY TRAFFIC DENSITY VIA RAMP METERING

Key Words:Non-parametric dynamical linearization; Model-free adaptive control; Density control; Macroscopic traffic flow; Ramp metering

Abstract:By introducing a new dynamical linearization technology, this paper presents a model-free adaptive control approach for density control of freeway traffic flow via ramp metering, which is consisted with a control input learning law and a parameter updating law. The design and analysis of the presented method just depends on the I/O data of the freeway traffic system without requiring any other priori of the control system. Furthermore, the control input learning law is extended to a higher-order form by incorporating more control information of previous sampling instants for improving the control performance. Both convergence analysis and simulation results illustrate the validity of the presented methods.

Volume:4

Issue:11

Translation or Not:no