This paper explores the notion and usefulness of nonstationary velocity profiles for high priority emergency vehicle transit on automated highways. These profiles are intended for use in the link layer of the hierarchical control architecture defined by the California Partners for Automated Transit and Highways (PATH) program. A non-stationary velocity profile which can be used to circulate traffic around a faster moving emergency vehicle is introduced. The effects on traffic flow are illustrated. A traffic flow controller that sustains nonstationary velocity profiles on fully automated highways is designed. Controller stability is discussed stressing the usefulness of nonstationary velocity profiles in creating a moving area of low vehicle density. Simulation results obtained using SmartCap, a traffic flow simulation program, demonstrate the fast circulation of an emergency vehicle in AHS while high traffic flow is maintained.
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March 2002
Technical Papers
Nonstationary Velocity Profiles for Emergency Vehicles on Automated Highways
Charmaine Toy, Automation Engineer,,
Charmaine Toy, Automation Engineer,
DiCon Fiberoptics, Inc., Richmond, CA 94804
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Luis Alvarez, Professor,,
Luis Alvarez, Professor,
Instituto de Ingenieria, Universidad Nacional Auto˙noma de Me´xico, Mexico City, Mexico
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Roberto Horowitz, Professor
Roberto Horowitz, Professor
, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720
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Charmaine Toy, Automation Engineer,
DiCon Fiberoptics, Inc., Richmond, CA 94804
Luis Alvarez, Professor,
Instituto de Ingenieria, Universidad Nacional Auto˙noma de Me´xico, Mexico City, Mexico
Roberto Horowitz, Professor
, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division May 18, 2000. Associate Editor: S. Sivashankar.
J. Dyn. Sys., Meas., Control. Mar 2002, 124(1): 133-140 (8 pages)
Published Online: May 18, 2000
Article history
Received:
May 18, 2000
Citation
Toy, C., Alvarez, L., and Horowitz, R. (May 18, 2000). "Nonstationary Velocity Profiles for Emergency Vehicles on Automated Highways ." ASME. J. Dyn. Sys., Meas., Control. March 2002; 124(1): 133–140. https://doi.org/10.1115/1.1434981
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