{"id":3739,"date":"2019-04-30T12:08:09","date_gmt":"2019-04-30T12:08:09","guid":{"rendered":"https:\/\/www.open-engineering.com\/?page_id=3739"},"modified":"2024-04-08T11:56:02","modified_gmt":"2024-04-08T11:56:02","slug":"piezoelectric-ultrasonic-engine","status":"publish","type":"page","link":"https:\/\/www.open-engineering.com\/index.php\/piezoelectric-ultrasonic-engine\/","title":{"rendered":"Piezoelectric ultrasonic engine"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3739\" class=\"elementor elementor-3739\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b1e345 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b1e345\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d0455e\" data-id=\"4d0455e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5e0ff47 elementor-widget elementor-widget-heading\" data-id=\"5e0ff47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Piezoelectric ultrasonic engine<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-327966a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"327966a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-616f4de\" data-id=\"616f4de\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55161a0 elementor-widget elementor-widget-heading\" data-id=\"55161a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c43f0f elementor-widget elementor-widget-text-editor\" data-id=\"5c43f0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Piezoelectric ultrasonic motors offer great advantages over conventional electromagnetic motors (such as torque to size and weight ratio, reduced noise, small and compact, etc.).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-183a9ca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"183a9ca\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e51da34\" data-id=\"e51da34\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-045166c premium-video__glow-none elementor-widget elementor-widget-premium-addon-video-box\" data-id=\"045166c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;aspect_ratio&quot;:&quot;43&quot;,&quot;premium_video_box_video_type&quot;:&quot;youtube&quot;}\" data-widget_type=\"premium-addon-video-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\r\n\r\n\t\t\r\n\t\t\t\t\t<div id=\"premium-video-box-container-045166c\" class=\"premium-video-box-container\" data-overlay=\"true\" data-type=\"youtube\" data-thumbnail=\"\" data-hover=\"none\">\r\n\t\t\t\t<div  >\r\n\t\t\t\t\t\r\n\t\t\t\t\t<div class=\"premium-video-box-inner-wrap\" data-video-animation=\" animated-\" data-delay-animation=\"\">\r\n\t\t\t\t\t\t<div data-src=\"https:\/\/www.youtube.com\/embed\/Kc3nhQfZlzU?feature=oembed&amp;rel=0&amp;mute=1&amp;loop=1&amp;controls=1&amp;playsinline=0&amp;autoplay=1&amp;cc_load_policy=0\" class=\"premium-video-box-video-container\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t<div style=\"background-image:transparent\" class=\"premium-video-box-image-container none\"><\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a994be2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a994be2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-44617c2\" data-id=\"44617c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e2df302 elementor-widget elementor-widget-heading\" data-id=\"e2df302\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Operating mode<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1745b3e elementor-widget elementor-widget-text-editor\" data-id=\"1745b3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The ultrasonic motor consists in a stator (a fixed circular ring), and a rotor, (another circular plate) which is compressed on the vibrating ring and is free to rotate. A set of piezoelectric patches are located on the stator. With the application to those patches of a suitable harmonic electric voltage, a travelling wave can be generated along the ring.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa9ced0 elementor-widget elementor-widget-image-gallery\" data-id=\"fa9ced0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-gallery\">\n\t\t\t<div id='gallery-1' class='gallery galleryid-3739 gallery-columns-2 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a  href='https:\/\/www.open-engineering.com\/wp-content\/uploads\/2019\/04\/Conjugated-modes-for-piezoelectric-engine-Piezo-Engine-Mode-16_medium.png'><img decoding=\"async\" width=\"200\" height=\"137\" src=\"https:\/\/www.open-engineering.com\/wp-content\/uploads\/2019\/04\/Conjugated-modes-for-piezoelectric-engine-Piezo-Engine-Mode-16_medium.png\" class=\"attachment-medium size-medium\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a  href='https:\/\/www.open-engineering.com\/wp-content\/uploads\/2019\/04\/Conjugated-modes-for-piezoelectric-engine-Piezo-Engine-Mode-17_medium.png'><img decoding=\"async\" width=\"200\" height=\"131\" src=\"https:\/\/www.open-engineering.com\/wp-content\/uploads\/2019\/04\/Conjugated-modes-for-piezoelectric-engine-Piezo-Engine-Mode-17_medium.png\" class=\"attachment-medium size-medium\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af91ded elementor-widget elementor-widget-text-editor\" data-id=\"af91ded\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The presence of the travelling wave induces a rotation of the rotor in the opposite direction by contact.<br \/>The modelling of the ultrasonic engine involves the use of 3D elements. Several analyses can be performed:<\/p><p><div class=\"su-list\" style=\"margin-left:0px\"><\/p><ul><li><i class=\"sui sui-check-square-o\" style=\"color:#c00000\"><\/i> Modal analysis to determine the right frequency of the signal to apply to the piezoelectric patches (Figure 16 : the conjugated modes)<\/li><li><i class=\"sui sui-check-square-o\" style=\"color:#c00000\"><\/i> Knowing the right frequency, an harmonic analysis can be done to simulate the harmonic response of the coupled system<\/li><li><i class=\"sui sui-check-square-o\" style=\"color:#c00000\"><\/i> The direct integration method using the HHT (Hilbert-Hughes-Taylor) algorithm can also simulate the transient response of the system (from start-up to established harmonic response, for example).<\/li><\/ul><p><\/div><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Piezoelectric ultrasonic engine Introduction Piezoelectric ultrasonic motors offer great advantages over conventional electromagnetic motors (such as torque to size and weight ratio, reduced noise, small and compact, etc.). Operating mode [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3740,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"on","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-3739","page","type-page","status-publish","has-post-thumbnail","hentry","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Piezoelectric ultrasonic engine - Open Engineering | OOFELIE::Multiphysics<\/title>\n<meta name=\"description\" content=\"Piezoelectric ultrasonic engine Introduction Piezoelectric ultrasonic motors offer great advantages over conventional electromagnetic motors (such as\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.open-engineering.com\/index.php\/piezoelectric-ultrasonic-engine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Piezoelectric ultrasonic engine - Open Engineering | OOFELIE::Multiphysics\" \/>\n<meta property=\"og:description\" content=\"Piezoelectric ultrasonic engine Introduction Piezoelectric ultrasonic motors offer great advantages over conventional electromagnetic motors (such as\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.open-engineering.com\/index.php\/piezoelectric-ultrasonic-engine\/\" \/>\n<meta property=\"og:site_name\" content=\"Open Engineering | OOFELIE::Multiphysics\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/oofelieMP\/\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-08T11:56:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.open-engineering.com\/wp-content\/uploads\/2019\/04\/Piezoelectric-ultrasonic-engine_medium.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"131\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@OofelieMP\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.open-engineering.com\/index.php\/piezoelectric-ultrasonic-engine\/\",\"url\":\"https:\/\/www.open-engineering.com\/index.php\/piezoelectric-ultrasonic-engine\/\",\"name\":\"Piezoelectric ultrasonic engine - 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