In this paper a learning-based optimization method for online gear shift and velocity control is presented to reduce the fuel consumption and improve the driving comfort in a car-following process. The continuous traction force and the discrete gear shift are optimized jointly to improve both the powertrain operation and the longitudinal motion. The problem is formulated as a nonlinear mixed-integer optimization problem and solved based on adaptive dynamic programming. A major difference compared to existing approaches is that the developed control method is model-free, i.e. it does not rely on vehicle models. It can address system nonlinearities and adapt to changes in engine characteristics (e.g. consumption map) during vehicle driving. The computation is efficient and enables possible real-time implementation. The proposed control method is studied for an urban driving cycle to evaluate the control performance with respect to the fuel economy and the driving comfort. Simulations indicate that the host vehicle can reduce the fuel consumption by 5.03% and 1.12% for two consumption maps in comparison to the preceding while keeping a desired inter-vehicle distance. The results further show a decrease of 1.59% and 2.32% in fuel consumption compared to a linear quadratic controller with the same gear shift schedule.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Online Optimization of Gear Shift and Velocity for Eco-Driving Using Adaptive Dynamic Programming


    Contributors:
    Li, Guoqiang (author) / Gorges, Daniel (author) / Wang, Meng (author)

    Published in:

    Publication date :

    2022-03-01


    Size :

    2339936 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Gear shift optimization

    Niste, K. | Tema Archive | 1989



    Cloud-Based Velocity Profile Optimization for Everyday Driving: A Dynamic-Programming-Based Solution

    Ozatay, Engin / Onori, Simona / Wollaeger, James et al. | IEEE | 2014


    Driving gear shift method for preventing error operation

    BAO WENGUANG / GUO RUI / HE ZHIGANG et al. | European Patent Office | 2015

    Free access