• Conference Object  

      Analysis of traffic flow with mixed manual and semi-automated vehicles 

      Bose, Arnab; Ioannou, Petros A. (IEEE, 1999)
      While dedicated highways with fully automated vehicles is a far in the future objective, the introduction of semi-automated vehicles on current highways designed to operate with manually driven vehicles is a realistic near ...
    • Article  

      Collision avoidance analysis for lane changing and merging 

      Jula, H.; Kosmatopoulos, E. B.; Ioannou, Petros A. (2000)
      One of the riskiest maneuvers that a driver has to perform in a conventional highway system is to merge into the traffic and/or to perform a lane changing maneuver. Lane changing/merging collisions are responsible for ...
    • Article  

      Combined Variable Speed Limit and Lane Change Control for Highway Traffic 

      Zhang, Y.; Ioannou, Petros A. (2017)
      Variable speed limit (VSL) control of highway traffic is expected to improve traffic mobility, safety, and environment, especially during incidents. However, most existing VSL controllers show significant benefits in ...
    • Conference Object  

      Combined Variable Speed Limit and Lane Change Control for Truck-Dominant Highway Segment 

      Zhang, Y.; Ioannou, Petros A. (Institute of Electrical and Electronics Engineers Inc., 2015)
      Traffic demand of trucks is rapidly increasing on highway networks, which harms highway traffic mobility, safety and the environment. Variable speed limit (VSL) control is considered to be able to improve the traffic ...
    • Conference Object  

      Design and evaluation of a roadway controller for freeway traffic 

      Zhang, J.; Boitor, A.; Ioannou, Petros A. (2005)
      In this paper, a roadway controller that optimally coordinates speed limits and ramp metering to improve freeway traffic efficiency is designed using the Model Predictive Control (MPC) methodology. The performance of the ...
    • Article  

      Environmental Impact of Combined Variable Speed Limit and Lane Change Control: A Comparison of MOVES and CMEM Model 

      Zhang, Y.; Ioannou, Petros A. (2016)
      Highway congestion is detrimental to traffic mobility and has negative impact on the environment. Variable speed limit (VSL) control is an approach that aims to reduce the impact of congestion by controlling the speed of ...
    • Conference Object  

      Evaluation of mixed semi-automated/manual traffic 

      Bose, Arnab; Ioannou, Petros A. (IEEE, 1998)
      The advance in research and development will make the deployment of automated vehicles a reality in the near future. At the initial stage, semi-automated vehicles with the capability to follow each other automatically in ...
    • Conference Object  

      Fuzzy traffic density homogenizer for automated highway system 

      Chien, C. C.; Ioannou, Petros A.; Chu, C. K. (IEEE, 1994)
      In this paper, a fuzzy traffic density homogenizer is proposed to alleviate or avoid the congestion by smoothing the traffic density distribution profile over the freeway. The proposed fuzzy traffic density homogenizer ...
    • Conference Object  

      An integrated roadway controller and its evaluation by microscopic simulator VISSIM 

      Chang, H.; Wang, Y.; Zhang, J.; Ioannou, Petros A. (Institute of Electrical and Electronics Engineers Inc., 2015)
      A roadway control system that integrates variable speed limits and ramp metering is designed to relieve congestion, suppress shock waves and improve safety on a freeway stretch. The speed control design is only based on ...
    • Conference Object  

      Intelligent cruise control: Theory and experiment 

      Ioannou, Petros A.; Xu, Z.; Eckert, S.; Clemons, D.; Sieja, T. (Publ by IEEE, 1993)
      Automated vehicle control systems (AVCS) is an important part of intelligent vehicle and highway systems (IVHS) whose long term goal is to improve freeway capacity and safety and reduce pollution through vehicle and highway ...
    • Conference Object  

      Intelligent vehicle: Closing the loop with the highway 

      Ioannou, Petros A. (2006)
      Vehicle intelligence has been advocated as a potential way of improving safety, driver comfort, traffic flow characteristics and efficiency in general. Despite considerable research efforts in vehicle technologies, vehicles ...
    • Conference Object  

      Macroscopic modeling of automated highway systems 

      Raza, H.; Ioannou, Petros A. (IEEE, 1997)
      An accurate macroscopic traffic flow model of automated highways is necessary not only for analyzing the collective dynamical behavior of automated vehicles but also for designing control laws to improve system level ...
    • Article  

      Mixed manual/semi-automated traffic: A macroscopic analysis 

      Bose, A.; Ioannou, Petros A. (2003)
      The use of advanced technologies and intelligence in vehicles and infrastructure could make the current highway transportation system much more efficient. Semi-automated vehicles with the capability of automatically following ...
    • Article  

      New model for variable speed limits 

      Wang, Y.; Ioannou, Petros A. (2011)
      Traffic flow models play an irreplaceable role in the design and evaluation of variable speed limit (VSL) controllers. All existing models for incorporating VSL effects are based on modifications of the steady-state ...
    • Article  

      Traffic Density Control for Automated Highway Systems 

      Chien, C. -C; Zhang, Y.; Ioannou, Petros A. (1997)
      Traffic flow instabilities such as traffic congestion are often caused by ad hoc and inappropriate speeds and headways that humans choose when they operate their vehicles. In an automated highway system (AHS) environment, ...
    • Conference Object  

      The use of microscopic traffic simulation model for traffic control systems 

      Chang, H.; Wang, Y.; Ioannou, Petros A. (2007)
      A highway network model is constructed using a microscopic traffic flow simulation model, VISSIM, and is intended to provide an evaluation environment for advanced traffic control systems. Since the microscopic traffic ...
    • Conference Object  

      V-Radar: A vehicular traffic query protocol for urban environments 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (2012)
      Automobile congestions have an adverse effect in modern societies, causing the loss of billions of dollars and manhours every year throughout the world. In this era of global economic recession, drivers will require the ...
    • Article  

      Vehicle Following Control Design for Automated Highway Systems 

      Raza, H.; Ioannou, Petros A. (1996)