{"id":7487,"date":"2019-05-13T01:55:22","date_gmt":"2019-05-12T23:55:22","guid":{"rendered":"https:\/\/www.rawpowergroup.it\/2019\/05\/13\/analisi-robustezza-macchine-cave-frazionarie\/"},"modified":"2025-02-05T18:40:43","modified_gmt":"2025-02-05T17:40:43","slug":"robustness-analysis-of-fractional-slots-surface-permanent-magnet","status":"publish","type":"post","link":"https:\/\/www.rawpowergroup.it\/en\/2019\/05\/13\/robustness-analysis-of-fractional-slots-surface-permanent-magnet\/","title":{"rendered":"Robustness analysis of Fractional-Slots Surface Permanent-Magnet"},"content":{"rendered":"[vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#ffffff&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;30&#8243; bottom_padding=&#8221;10&#8243; 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gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][split_line_heading animation_type=&#8221;line-reveal-by-space&#8221; font_style=&#8221;h3&#8243; text_color=&#8221;#d02721&#8243; line_reveal_by_space_text_effect=&#8221;default&#8221; content_alignment=&#8221;default&#8221; mobile_content_alignment=&#8221;inherit&#8221; link_target=&#8221;_self&#8221; text_content=&#8221;Robustness analysis of Fractional-Slots Surface Permanent-Magnet<br \/>\n&#8221; text_direction=&#8221;default&#8221;][\/split_line_heading][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#ffffff&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;40&#8243; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]This activity consisted on a robustness study with respect to manufacturing defects of the most adopted fractional-slot surface permanent-magnet slot-pole configurations.<\/p>\n<p>The objective of this activity was studying the influence of slot-pole choice on machine\u2019s robustness with respect to unavoidable manufacturing imperfections.<\/p>\n<p>The first part of the activity was focused on the identification of the optimal slot-pole geometries via 2-D finite element.<\/p>\n<p>Then the performance of healthy machines was compared with that of defective machines with respect a set of figures of merit such as mean torque, torque ripple, etc.<\/p>\n<p>Results comparison allowed to determine a performance index in order to identify the most robust slot-pole configuration with respect to manufacturing production.[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#ffffff&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;40&#8243; text_color=&#8221;dark&#8221; 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