{"id":925,"date":"2024-10-09T17:25:17","date_gmt":"2024-10-09T08:25:17","guid":{"rendered":"https:\/\/www.kikulab.it-chiba.ac.jp\/Eng\/?page_id=925"},"modified":"2024-10-23T19:12:28","modified_gmt":"2024-10-23T10:12:28","slug":"observation-by-highspeed-camera-system","status":"publish","type":"page","link":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/research\/flapping-robot\/butterfly-style-flapping-robot\/observation-by-highspeed-camera-system\/","title":{"rendered":"Observation by Highspeed Camera System"},"content":{"rendered":"<div data-colibri-id=\"925-c1\" class=\"style-517 style-local-925-c1 position-relative\">\n  <!---->\n  <div data-colibri-component=\"section\" data-colibri-id=\"925-c2\" id=\"initial-content\" class=\"h-section h-section-global-spacing d-flex align-items-lg-center align-items-md-center align-items-center style-518 style-local-925-c2 position-relative\">\n    <!---->\n    <!---->\n    <div class=\"h-section-grid-container h-section-boxed-container\">\n      <!---->\n      <div data-colibri-id=\"925-c3\" class=\"h-row-container gutters-row-lg-2 gutters-row-md-2 gutters-row-0 gutters-row-v-lg-2 gutters-row-v-md-2 gutters-row-v-2 style-826 style-local-925-c3 position-relative\">\n        <!---->\n        <div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-2 gutters-col-md-2 gutters-col-0 gutters-col-v-lg-2 gutters-col-v-md-2 gutters-col-v-2\">\n          <!---->\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-827-outer style-local-925-c4-outer\">\n            <div data-colibri-id=\"925-c4\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-827 style-local-925-c4 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-id=\"925-c5\" class=\"h-text h-text-component style-828 style-local-925-c5 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"\">\n                    <p>&nbsp;We are investing the motion characteristics using the highspeed camera system which can photograph from multi-directions.&nbsp;<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n      <div data-colibri-id=\"925-c6\" class=\"h-row-container gutters-row-lg-1 gutters-row-md-1 gutters-row-0 gutters-row-v-lg-1 gutters-row-v-md-1 gutters-row-v-1 style-829 style-local-925-c6 position-relative\">\n        <!---->\n        <div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-1 gutters-col-md-1 gutters-col-0 gutters-col-v-lg-1 gutters-col-v-md-1 gutters-col-v-1\">\n          <!---->\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-830-outer style-local-925-c7-outer\">\n            <div data-colibri-id=\"925-c7\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-1 h-px-md-1 h-px-1 v-inner-lg-1 v-inner-md-1 v-inner-1 style-830 style-local-925-c7 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-id=\"925-c8\" class=\"d-block style-831 style-local-925-c8 position-relative h-element\">\n                  <!---->\n                  <div class=\"h-image__frame-container-outer\">\n                    <div class=\"h-image__frame-container\">\n                      <!---->\n                      <!---->\n                      <img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"413\" src=\"https:\/\/www.kikulab.it-chiba.ac.jp\/Eng\/wp-content\/uploads\/2024\/10\/highspeed.png\" class=\"wp-image-1913 style-831-image style-local-925-c8-image\" alt=\"\" srcset=\"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-content\/uploads\/2024\/10\/highspeed.png 700w, https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-content\/uploads\/2024\/10\/highspeed-300x177.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/>\n                      <div class=\"h-image__frame h-hide-lg h-hide-md h-hide-sm style-831-frameImage style-local-925-c8-frameImage\"><\/div>\n                    <\/div>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-832-outer style-local-925-c9-outer\">\n            <div data-colibri-id=\"925-c9\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-832 style-local-925-c9 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-id=\"925-c10\" class=\"h-text h-text-component style-833 style-local-925-c10 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"\">\n                    <p>Three synchronized highspeed cameras photograph a butterfly in the direction of x, y, and z. For example, DITECT D3 has 1280*1024 resolution and 1000 fps.&nbsp;&nbsp;<\/p>\n                    <p>The wing position, velocity, angle, and angular velocity are calculated by the image processing. Unlike a dragonfly, a butterfly has overlapped fore-and hind-wings and&nbsp; its wings are opacity. Thus, the motion analysis needs high\n                      technology.&nbsp;&nbsp;<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n      <div data-colibri-id=\"925-c11\" class=\"h-row-container gutters-row-lg-1 gutters-row-md-1 gutters-row-0 gutters-row-v-lg-1 gutters-row-v-md-1 gutters-row-v-1 style-519 style-local-925-c11 position-relative\">\n        <!---->\n        <div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-1 gutters-col-md-1 gutters-col-0 gutters-col-v-lg-1 gutters-col-v-md-1 gutters-col-v-1\">\n          <!---->\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-520-outer style-local-925-c12-outer\">\n            <div data-colibri-id=\"925-c12\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-1 h-px-md-1 h-px-1 v-inner-lg-1 v-inner-md-1 v-inner-1 style-520 style-local-925-c12 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-component=\"video\" data-colibri-id=\"925-c13\" class=\"d-block h-video d-block h-video style-522 style-local-925-c13 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"video-container position-relative\">\n                    <div class=\"h-global-transition-all ratio-inner\"><iframe src=https:\/\/www.youtube.com\/embed\/1qVk_r3V-Bo?autoplay=0&#038;mute=0&#038;modestbranding=0&#038;rel=0&#038;enablejsapi=1&#038; class='h-video-main'  allowfullscreen><\/iframe><\/div>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-524-outer style-local-925-c15-outer\">\n            <div data-colibri-id=\"925-c15\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-524 style-local-925-c15 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-id=\"925-c16\" class=\"h-text h-text-component style-664 style-local-925-c16 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"\">\n                    <p>Takeoff of swallowtail butterfly (by Sato the 3rd):<\/p>\n                    <p>Flapping frequency: 10Hz<\/p>\n                    <p>Mass: 0.5 g<\/p>\n                    <p>Wingspan: 10 cm<\/p>\n                    <p>Frame per second: 1000 (?)<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n      <div data-colibri-id=\"925-c17\" class=\"h-row-container gutters-row-lg-1 gutters-row-md-1 gutters-row-0 gutters-row-v-lg-1 gutters-row-v-md-1 gutters-row-v-1 style-525 style-local-925-c17 position-relative\">\n        <!---->\n        <div class=\"h-row justify-content-lg-center justify-content-md-center justify-content-center align-items-lg-stretch align-items-md-stretch align-items-stretch gutters-col-lg-1 gutters-col-md-1 gutters-col-0 gutters-col-v-lg-1 gutters-col-v-md-1 gutters-col-v-1\">\n          <!---->\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-526-outer style-local-925-c18-outer\">\n            <div data-colibri-id=\"925-c18\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-1 h-px-md-1 h-px-1 v-inner-lg-1 v-inner-md-1 v-inner-1 style-526 style-local-925-c18 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-component=\"video\" data-colibri-id=\"925-c19\" class=\"d-block h-video d-block h-video style-527 style-local-925-c19 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"video-container position-relative\">\n                    <div class=\"h-global-transition-all ratio-inner\"><iframe src=https:\/\/www.youtube.com\/embed\/eo8OsYArj88?autoplay=0&#038;mute=0&#038;modestbranding=0&#038;rel=0&#038;enablejsapi=1&#038; class='h-video-main'  allowfullscreen><\/iframe><\/div>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n          <div class=\"h-column h-column-container d-flex h-col-lg-auto h-col-md-auto h-col-auto style-529-outer style-local-925-c21-outer\">\n            <div data-colibri-id=\"925-c21\" class=\"d-flex h-flex-basis h-column__inner h-px-lg-2 h-px-md-2 h-px-2 v-inner-lg-2 v-inner-md-2 v-inner-2 style-529 style-local-925-c21 position-relative\">\n              <!---->\n              <!---->\n              <div class=\"w-100 h-y-container h-column__content h-column__v-align flex-basis-100 align-self-lg-start align-self-md-start align-self-start\">\n                <!---->\n                <div data-colibri-id=\"925-c22\" class=\"h-text h-text-component style-665 style-local-925-c22 position-relative h-element\">\n                  <!---->\n                  <!---->\n                  <div class=\"\">\n                    <p>Pressure contour during roll turn (by Shindo):<\/p>\n                    <p>Red is the positive pressure and blue is the negative pressure. The difference between the positive and negative pressures on the wing generates the lift, and moreover the difference between the left and right lifts creates the roll\n                      moment.<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>&nbsp;We are investing the motion characteristics using the highspeed camera system which can photograph from  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":597,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/full-width-page.php","meta":{"footnotes":""},"class_list":["post-925","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/pages\/925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/comments?post=925"}],"version-history":[{"count":10,"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/pages\/925\/revisions"}],"predecessor-version":[{"id":2394,"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/pages\/925\/revisions\/2394"}],"up":[{"embeddable":true,"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/pages\/597"}],"wp:attachment":[{"href":"https:\/\/www.kikulab.chibatech.ac.jp\/Eng\/wp-json\/wp\/v2\/media?parent=925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}