This paper presents a hardware implementation of the previously introduced locking Electric Differential System (EDS) of Electric Vehicle (EV) with two independent Brushless DC (BLDC) machine-based drives. The proposed method locks the active wheels of the vehicle as if they were operating on a common shaft. The locking algorithm is realized by processing the Hall sensor signals of the considered motors and driving them with a single set of “averaged” Hall signals. The proposed Sync-Lock Controller (SLC) is implemented digitally using a programmable integrated circuit microcontroller. First, the Hall signals undergo a layer of filtering to mitigate the errors due to hall sensor misalignment. Then, the locking algorithm is implemented by averaging the filtered Hall sensor signals. The proposed technique locks the motors directly through their corresponding magnetic fields and is shown to achieve better results as compared to a conventional speed control loop. The SLC prototype is implemented in the form of a standalone dongle-circuit that can be easily placed between the original Hall-sensors and the BLDC motor driver.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Hall sensor-based Locking Electric Differential System for BLDC motor driven electric vehicles


    Contributors:


    Publication date :

    2012-03-01


    Size :

    1780856 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




    Modelling and simulation of a BLDC motor speed control system for electric vehicles

    Jeddi,N. / Amraoui,L.E. / Tadeo,F. et al. | Automotive engineering | 2016


    Thermal Management of Electric Vehicle BLDC Motor

    Kimotho, James Kuria / Hwang, Pyung | SAE Technical Papers | 2011


    Optimized Design and Improved Performance of IPM-BLDC Motor for Light Electric Vehicles

    Khamari, Sephali Shradha / Kiran, Karuna / Behera, Ranjan Kumar et al. | IEEE | 2023


    Thermal Management of Electric Vehicle BLDC Motor

    Kimotho, J.K. / Hwang, P. | British Library Conference Proceedings | 2011