Shape Control |https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/tags/shape-control/Shape ControlHugo Blox Builder (https://hugoblox.com)en-usFri, 01 Jul 2022 00:00:00 +0000https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/media/logo.svgShape Controlhttps://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/tags/shape-control/A New Sparse-Learning Model for Maximum Gap Reduction of Composite Fuselage Assemblyhttps://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-new-sparse-learning-model-2022/Fri, 01 Jul 2022 00:00:00 +0000https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-new-sparse-learning-model-2022/Optimal Shape Control via $L_\infty$ Loss for Composite Fuselage Assemblyhttps://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/Tue, 12 Nov 2019 00:00:00 +0000https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/<h2 id="motivation">Motivation</h2> <ol> <li>Initial gap between the pair of fuselages.</li> <li>Target on the maximum gap after assembly.</li> <li>Consider the optimal actuator placement.</li> </ol> <h2 id="formulation">Formulation</h2> <p>Formulation of the model.</p> <p> <figure id="figure-a"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(a)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28a%29_hu502b187dd338bc88ceb687a6304898f7_337139_afe76c65c0ede1ccb1359838c7ba97ce.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28a%29_hu502b187dd338bc88ceb687a6304898f7_337139_38113ae152e6562fb74a2df9c896d682.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28a%29_hu502b187dd338bc88ceb687a6304898f7_337139_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28a%29_hu502b187dd338bc88ceb687a6304898f7_337139_afe76c65c0ede1ccb1359838c7ba97ce.webp" width="760" height="225" loading="lazy" data-zoomable /></div> </div><figcaption> (a) </figcaption></figure> <figure id="figure-b"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(b)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28b%29_hu920f23100493b81fd2fe7affedd104f2_159441_f55ea8ca9f04ebe61745c61260a65e65.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28b%29_hu920f23100493b81fd2fe7affedd104f2_159441_eea3c068733b85206ca51fc1a25d9d3b.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28b%29_hu920f23100493b81fd2fe7affedd104f2_159441_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28b%29_hu920f23100493b81fd2fe7affedd104f2_159441_f55ea8ca9f04ebe61745c61260a65e65.webp" width="760" height="331" loading="lazy" data-zoomable /></div> </div><figcaption> (b) </figcaption></figure> <figure id="figure-c"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(c)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28c%29_huad8aa9431d38f7ef87bc10e037113ec3_64426_28ba009ce02ea81e4720e723623accd4.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28c%29_huad8aa9431d38f7ef87bc10e037113ec3_64426_689bad2524c42b9da1b123e0dd3b3798.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28c%29_huad8aa9431d38f7ef87bc10e037113ec3_64426_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-shape-control-2019/2.2%28c%29_huad8aa9431d38f7ef87bc10e037113ec3_64426_28ba009ce02ea81e4720e723623accd4.webp" width="760" height="133" loading="lazy" data-zoomable /></div> </div><figcaption> (c) </figcaption></figure> </p>Optimal Placement of Actuators Via Sparse Learning for Composite Fuselage Shape Controlhttps://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/Tue, 01 Oct 2019 00:00:00 +0000https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/<h2 id="motivation">Motivation</h2> <ol> <li>There are natural dimensional variations in fuselage due to multiple suppliers or multiple manufacturing batches.</li> <li>The interface of section requires shape adjustment to the target before assembly.</li> <li>Actuators are used for shape adjustment in practice.</li> </ol> <h2 id="technical-challenge">Technical Challenge</h2> <p>Dimensional variations affect assembly speed and quality of section-to-fuselage joins.</p> <h2 id="innovative-sparse-learning-modeling">Innovative Sparse Learning Modeling</h2> <ol> <li>Consider incoming fuselage dimensions.</li> <li>General structure such as composite fuselage.</li> <li>Convex formulation.</li> </ol> <p> <figure id="figure-a"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(a)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28a%29_hueb233b67efc811f1d19c986f87c65e16_1529359_cb8a6ab083dae88edf831845eed43f50.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28a%29_hueb233b67efc811f1d19c986f87c65e16_1529359_d159cd687d0624258b990b821b9c69b4.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28a%29_hueb233b67efc811f1d19c986f87c65e16_1529359_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28a%29_hueb233b67efc811f1d19c986f87c65e16_1529359_cb8a6ab083dae88edf831845eed43f50.webp" width="760" height="445" loading="lazy" data-zoomable /></div> </div><figcaption> (a) </figcaption></figure> <figure id="figure-b"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(b)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28b%29_hu4ed7fd483d88620002314e82755957a8_2240710_78f2721e9aeb63a10778e0409cf8b106.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28b%29_hu4ed7fd483d88620002314e82755957a8_2240710_34d568dee591d2643cd5dde3c041cfbe.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28b%29_hu4ed7fd483d88620002314e82755957a8_2240710_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28b%29_hu4ed7fd483d88620002314e82755957a8_2240710_78f2721e9aeb63a10778e0409cf8b106.webp" width="760" height="354" loading="lazy" data-zoomable /></div> </div><figcaption> (b) </figcaption></figure> <figure id="figure-c"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(c)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28c%29_hu9af9ad832aec49881d8c7cb6367b2384_145090_41fea4cddb07d3aa7c38849210ae18d7.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28c%29_hu9af9ad832aec49881d8c7cb6367b2384_145090_5d0d799d2d1f90ea8aec13a99f4034d7.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28c%29_hu9af9ad832aec49881d8c7cb6367b2384_145090_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28c%29_hu9af9ad832aec49881d8c7cb6367b2384_145090_41fea4cddb07d3aa7c38849210ae18d7.webp" width="760" height="316" loading="lazy" data-zoomable /></div> </div><figcaption> (c) </figcaption></figure> <figure id="figure-d"> <div class="d-flex justify-content-center"> <div class="w-100" ><img alt="(d)" srcset=" /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28d%29_huc485949a97e098269c23e9761913f2f6_218951_1a4d759b9f700d20277ab7b232dbbe40.webp 400w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28d%29_huc485949a97e098269c23e9761913f2f6_218951_9a151e3e96ef01776b03adaf1eb6538f.webp 760w, /juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28d%29_huc485949a97e098269c23e9761913f2f6_218951_1200x1200_fit_q75_h2_box_3.webp 1200w" src="https://personal.hkust-gz.edu.cn/juandu/IDADM-Lab/juandu/IDADM-Lab/publication/du-optimal-placement-actuators-2019/2.1%28d%29_huc485949a97e098269c23e9761913f2f6_218951_1a4d759b9f700d20277ab7b232dbbe40.webp" width="760" height="381" loading="lazy" data-zoomable /></div> </div><figcaption> (d) </figcaption></figure> </p>