{"id":27,"date":"2024-04-04T03:04:45","date_gmt":"2024-04-04T00:04:45","guid":{"rendered":"https:\/\/sisu.ut.ee\/elektroonika\/57-servomootori-juhtimine-pulsilaiusmodulatsiooniga\/"},"modified":"2024-04-04T03:05:54","modified_gmt":"2024-04-04T00:05:54","slug":"57-servomootori-juhtimine-pulsilaiusmodulatsiooniga","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/elektroonika\/57-servomootori-juhtimine-pulsilaiusmodulatsiooniga\/","title":{"rendered":"5.7. Servomootori juhtimine pulsilaiusmodulatsiooniga"},"content":{"rendered":"<p><span>Servomootorist, tema ehitusest t\u00f6\u00f6p\u00f5him\u00f5ttest ja otstarbest tuleb juttu \u00fches hilisemas loengus. Seal r\u00e4\u00e4gitakse kindlasti ka et servomootorit juhitakse pulsilaiusmodulatsiooniga e. PWM-iga. Aga praegu on meil makettplaadile kokku pandud PWM genereerimise skeem, seep\u00e4rast n\u00e4itame servomootori juhtimise siin kohe \u00e4ra. Muidu on skeem t\u00e4pselt samasugune, nagu LEDi heleduse muutmise seade, ainult takistid ja kondensaatorid tuleb \u00e4ra muuta.\u00a0Selles loengus n\u00e4itame, kuidas arvutada takistid ja kondensaatorid servomootori juhtimiseks sobiva PWM jaoks.<\/span><\/p>\n<p><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69d5f2c5b41fa-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69d5f2c5b41fa-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69d5f2c5b41fa-collapse\">M\u00e4rkus<\/button>\n        <\/h2>\n        <div id=\"accordion-69d5f2c5b41fa-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69d5f2c5b41fa-heading\">\n            <div class=\"accordion-body\">\n<p>Videos \u201cServomootori juhtimine pulsilaiusmodulatsiooniga\u201d r\u00e4\u00e4gitakse, et servomootori t\u00f6\u00f6pinge on 4,5-6V.\u00a0<\/p>\n<p>Kursuse komplektis oleva\u00a0<strong>servomootori TG9e\u00a0<\/strong><strong>Eco Micro nominaalpinge on 4,8V<\/strong>.\u00a0Pingega 6V t\u00f6\u00f6tab ta ebastabiilselt (proovisin) ning pole teada kui ruttu ta sellel pingel l\u00e4bi p\u00f5leb (ei proovinud).<\/p>\n<p>Lihtsaim lahendus on servomootori kasutamisel \u00fchendada skeemis 6V toiteallika ja toitel\u00fcliti vahele jadamisi kaks dioodi:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" src=\"\/wp-content\/uploads\/sites\/189\/servo2dioodi.png\" width=\"600\" height=\"358\"><\/p>\n<p>\u00dclej\u00e4\u00e4nud skeem j\u00e4\u00e4b niisuguseks nagu videos n\u00e4idatud.<\/p>\n<p>Dioodi loengutest saab teada, et kaks jadamisi \u00fchendatud dioodi langetab pinget 1,4V v\u00f5rra. Dioodid tuleb \u00fchendada nii, et kummagi dioodi halli ribaga ots j\u00e4\u00e4ks l\u00fcliti poole. Kui tekib dioodi \u00fchendamisel kahtlusi, siis vaata videot 6.2 \u201cDioodi polaarsuse m\u00e4\u00e4ramine\u201d.<\/p>\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<p style=\"text-align: center\"><\/p><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n<p style=\"text-align: center\"><a href=\"https:\/\/youtu.be\/Yx2jyZ-gNAw\" target=\"_blank\" rel=\"noopener\"><span>https:\/\/youtu.be\/Yx2jyZ-gNAw<\/span><\/a><\/p>\n<p>Praktilise t\u00f6\u00f6 jaoks vajad j\u00e4rgmisi vahendeid:<\/p>\n<ul>\n<li>eelmises loengus valminud PWM generaator<\/li>\n<li>servomootor<\/li>\n<li>kondensaatorid<\/li>\n<li>takistid<\/li>\n<\/ul>\n<h5><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-78\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/tahtis.png\" title=\"tahtis.png\" alt=\"tahtis.png\">\u00a0J\u00e4ta meelde!<\/h5>\n<p><strong><span id=\"docs-internal-guid-5797e69e-1d8e-2ded-0fb6-08c8d1afaa63\">Servomootori toitepinge on kuni 6V. Servomootori juhtimiseks on PWM signaali periood 20ms ja impulsi kestus t<sub>H<\/sub> on vahemikus 1-2ms.<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Servomootorist, tema ehitusest t\u00f6\u00f6p\u00f5him\u00f5ttest ja otstarbest tuleb juttu \u00fches hilisemas loengus. Seal r\u00e4\u00e4gitakse kindlasti ka et servomootorit juhitakse pulsilaiusmodulatsiooniga e. PWM-iga. Aga praegu on meil makettplaadile kokku pandud PWM genereerimise skeem, seep\u00e4rast n\u00e4itame servomootori juhtimise siin kohe \u00e4ra. Muidu on &#8230;<\/p>\n","protected":false},"author":93,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-27","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/27","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/users\/93"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/comments?post=27"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/27\/revisions"}],"predecessor-version":[{"id":256,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/27\/revisions\/256"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/media?parent=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}