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Distance-Based Optimization of 48V Mild-Hybrid Electric Vehicle

Bauer, Leo P.
http://orcid.org/0000-0002-9213-8431
http://rave.ohiolink.edu/etdc/view?acc_num=osu1522945979952733

Abstract Details

2018, Master of Science, Ohio State University, Mechanical Engineering.
This thesis discusses the implementation of a Dynamic Programming algorithm that solves for the velocity and powertrain control optimization of a 48V mild-HEV over multiple custom driving scenarios. The results are compared to a baseline vehicle forward-looking model, by both observing the effects of both optimal velocity and optimal energy management. The biggest differences in the energy management occur during regeneration events, where the majority of energy regeneration happens at stopping events if the road ahead is known, whereas the more conservative online controller uses the engine to regenerate the battery throughout the route. The computation time resulting from the Dynamic Programming optimization is found to be tenfold that of the actual travel time, hence it could not be implemented as a real-time controller as is. A method to reduce the number of control inputs on the system to a single control input is implemented. It introduces the torque split inside of the Dynamic Programming by use of an Equivalent Consumption Minimization Strategy. The results are found to be slightly sub-optimal and some change in the velocity optimization is observed. With this new method, the computation time is halved.
Marcello Canova, Dr. (Advisor)
Giorgio Rizzoni, Dr. (Committee Member)
Levent Guvenc, Dr. (Committee Member)
113 p.
Mechanical Engineering
Mild-HEV; Dynamic Programming; ECMS; Velocity Optimization; Powertrain Controls Optimization

Recommended Citations

Citations

  • Bauer, L. P. (2018). Distance-Based Optimization of 48V Mild-Hybrid Electric Vehicle [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1522945979952733

    APA Style (7th edition)

  • Bauer, Leo. Distance-Based Optimization of 48V Mild-Hybrid Electric Vehicle. 2018. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1522945979952733.

    MLA Style (8th edition)

  • Bauer, Leo. "Distance-Based Optimization of 48V Mild-Hybrid Electric Vehicle." Master's thesis, Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1522945979952733

    Chicago Manual of Style (17th edition)

osu1522945979952733
287
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This open access ETD is published by The Ohio State University and OhioLINK.