PhD Defense by Hao Zhou

Event Details
  • Date/Time:
    • Thursday July 21, 2022
      10:00 am - 12:00 pm
  • Location: SEB 122
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Summary Sentence: Longitudinal Control For Self-driving Cars Based on Traffic Flow Considerations: Theory, Design, and Experiments

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Ph.D. Thesis Defense Announcement 

Longitudinal Control For Self-driving Cars Based on Traffic Flow Considerations: Theory, Design, and Experiments 

by 

Hao Zhou 

 

Advisor(s): 

Dr. Jorge Laval 

Committee Members: 

Dr. Guanghui Lan (ISYE), Dr. Patricia Mokhtarian (CEE), Dr. Srinivas Peeta (CEE), and Dr. Danjue Chen 

 

Date & Time: Thursday, July 21st, 2022 at 10:00 AM (EST) 

 

Location: SEB 122 / Zoom Meeting ID: 401 073 2547 

Self-driving cars are around the corner, quite literally. As the industry is spending most efforts on improving safety in corner cases, the impacts of autonomous vehicles (AVs) on traffic congestion are overlooked, possibly due to a lack of regulation, as a result, current adaptive cruise control (ACC) will exacerbate congestion. 
 
This dissertation addresses this research gap between self-driving and congestion. It develops new theories, algorithms, and experimental methods for ACC  by incorporating traffic flow knowledge. The major findings include the following: i) identification of the research gap that existing datasets and learning methods in the self-driving industry have not well accounted for AVs' impact on traffic congestion, ii) significance of low-level control to string stability under ACC, which has been overlooked so far, iii) incorporation of driver relaxation into commercially-available ACC systems, which proves to be efficient in reducing lane-changing disruptions, iv) a family of novel model predictive controllers (MPCs) providing a simple and elegant solution to string stable ACCs without prediction needs, and v) measurement of the acceleration/deceleration constraints from commercial ACC vehicles, which may restrict string stability. Most of the findings in this dissertation are verified using commercially-available ACC vehicles. The proposed designs are also ready for practical implementation.
 

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Graduate Studies

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Phd Defense
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  • Created By: Tatianna Richardson
  • Workflow Status: Published
  • Created On: Jul 7, 2022 - 12:29pm
  • Last Updated: Jul 7, 2022 - 12:29pm