{"id":38869,"date":"2023-03-09T16:24:37","date_gmt":"2023-03-09T15:24:37","guid":{"rendered":"https:\/\/symetrie.fr\/?page_id=38869"},"modified":"2023-04-14T16:34:23","modified_gmt":"2023-04-14T14:34:23","slug":"space-imager-testing","status":"publish","type":"page","link":"https:\/\/symetrie.fr\/en\/applications\/space\/space-imager-testing\/","title":{"rendered":"Space imager testing"},"content":{"rendered":"[vc_row type=”full_width_background” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” video_bg=”use_video” video_mp4=”https:\/\/symetrie.fr\/wp-content\/uploads\/2022\/12\/Reconstruit.mp4″ scene_position=”center” top_padding=”80″ text_color=”light” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” class=”page-titre-full” color_overlay=”rgba(0,0,0,0.72)” overlay_strength=”0.5″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none” parallax_bg=”true” parallax_bg_speed=”fixed” shape_type=””][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” el_class=”titre-page” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none” enable_animation=”true” animation=”fade-in”][divider line_type=”No Line” custom_height=”480″][vc_column_text el_class=”titre”]\n

Space imager testing<\/h1>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=”full_width_background” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” class=”breadcrumbs” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][divider line_type=”No Line” custom_height=”15″][vc_column_text]Home<\/a><\/span><\/span>[\/vc_column_text][divider line_type=”No Line” custom_height=”15″][\/vc_column][\/vc_row][vc_row type=”in_container” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” bottom_padding=”0″ text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” centered_text=”true” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/3″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none” enable_animation=”true” animation=”fade-in-from-right”][vc_row_inner column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” text_align=”left”][vc_column_inner column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color=”#449dd1″ background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” el_class=”contexte” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][vc_column_text]\n

PROJECT BACKGROUND<\/h3>\n

ESA is developing the third generation of weather forecast satellites, METEOSAT THIRD GENERATION (MTG).
\nLeonardo is in charge of the design, manufacture, and testing of the Lightning Imager (LI), an instrument that allows to “see” lightings from 36,000 km above Earth’s atmosphere.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][divider line_type=”No Line” custom_height=”10″][nectar_video_player_self_hosted video_mp4=”https:\/\/symetrie.fr\/wp-content\/uploads\/2022\/12\/Reconstruit.mp4″ video_image=”38237″ border_radius=”none” box_shadow=”none”][divider line_type=”No Line” custom_height=”10″][vc_gallery type=”image_grid” images=”38905,38907,38903″ layout=”3″ item_spacing=”default” gallery_style=”1″ load_in_animation=”none” img_size=”193×95″][\/vc_column][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”2\/3″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none” enable_animation=”true” animation=”fade-in-from-bottom”][vc_column_text]\n

CUSTOMER REQUEST<\/h3>\n

To test and calibrate the Lightning Imager (LI) optical instrument, Leonardo needs a high-precision positioning system. The system is integrated into a thermal vacuum chamber (TVC), thus it must be compatible with a clean and vacuum environment.
\nThe system positions the instrument with respect to the Optical Ground System Equipment (“OGSE”) located outside of the TVC with a high travel range:
\n\u25a0\u00a0 <\/span><\/strong>Cone rotation scan (Rxy \u00b15.1 deg) over 4 different optical channels
\n\u25a0\u00a0 <\/span><\/strong>Large cone rotation scan (Rxy \u00b116 deg) with a COR 1,000 mm away in Z<\/p>\n

THE SOLUTION<\/h3>\n

To meet the high travel range requirements, specifically over X & Y axis, as well as the distant center of rotation, SYMETRIE has developed and integrated a 2 axes module. This solution allows performing high amplitude motions without the constraint of designing a too big hexapod.
\nThis table is integrated onto a ZONDA hexapod which meets the need for high precision, payload, and travel range:
\n\u25a0 <\/span><\/strong>The XY table allows to change the optical channel and making an important cone with a distant CoR.
\n\u25a0 <\/span><\/strong>The ZONDA hexapod allows to position the instrument and then performs an angular scan.
\nFurthermore, thermal braids and temperature sensors are integrated to guarantee optimal stability.<\/p>\n

SPACE IMAGER TESTING PROJECT SPECIFICITIES<\/h3>\n

\u25a0 <\/span><\/strong>\u00a010 -6<\/sup> mbar vacuum
\n\u25a0 <\/span><\/strong>\u00a0Cleanroom compatibility
\n\u25a0 <\/span><\/strong>\u00a08 axes
\n\u25a0 <\/span><\/strong>\u00a0Stability and angular precision (Stability < 2 \u00b5rad\/15 min and Accuracy <15 \u00b5rad\/deg)
\n\u25a0 <\/span><\/strong>\u00a0Payload 150 kg[\/vc_column_text][divider line_type=”No Line” custom_height=”25″][vc_column_text el_class=”txt-justify”]\n

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ZONDA<\/a><\/h5>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/3″ tablet_width_inherit=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=”full_width_background” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” bg_image=”25430″ bg_position=”center center” bg_repeat=”no-repeat” scene_position=”center” top_padding=”60″ bottom_padding=”60″ text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” class=”bandeau para” color_overlay=”#0a0a0a” overlay_strength=”0.5″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none” parallax_bg=”true” parallax_bg_speed=”fixed”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][divider line_type=”No Line” custom_height=”90″][vc_column_text el_class=”txt-white” css=”.vc_custom_1583329018971{margin-bottom: 25px !important;}”]\n

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