For a low cost mild hybrid application, the integrated starter generator (ISG) is also used to provide torque assist to the engine. The claw pole type generator is widely used in automotive applications in belt-driven structures, where robustness and high speed operations are imposed. To understand the capability of claw pole machine for starter-generator and torque assist application, it needs to be modeled, simulated and tested in Hardware-in-the-loop (HIL). This paper describes the average-value modeling of claw pole motorinverter systems, which is relatively challenging when the commutation period of inverter switches is also considered along with conduction period. The proposed average-value model appropriately includes both the commutation and conduction sub-intervals of inverter switches in 120 conduction mode. By avoiding the computation of switching events in power electronic models, the processing time of multi domain simulators can be decreased significantly. In this paper, the switched and the average-value models of claw pole motor-inverter system are developed and are simulated using MATLAB/ Simulink at sampling frequencies of 1 MHz and 10 kHz respectively. The results in both the cases are plotted and compared. HIL simulation is performed with the average-value model executed on DS1005 processor board using DS2211 I/O board and the ISG drive controller to validate the proposed average-value model.


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    Title :

    Average-value model of claw pole motor drive for hil simulation of integrated starter generator with torque assist for mild hybrid application


    Contributors:

    Published in:

    Publication date :

    2012


    Size :

    9 Seiten, 27 Bilder, 2 Tabellen, 4 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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