Dong Yan Yan Dong Shi Le le Jing Kai Design optimization of cylindrical insulation barriers of synchronous reluctance machine with large saliency ratio. 80-85 2016 ICCA https://doi.org/10.1109/ICCA.2016.7505256 conf/icca/2016 db/conf/icca/icca2016.html#YanDlK16