{"id":53648,"date":"2022-09-22T08:04:46","date_gmt":"2022-09-22T13:04:46","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/are-the-voltage-outputs-from-piezo-strain-gage-repeatable\/"},"modified":"2025-01-21T07:05:52","modified_gmt":"2025-01-21T12:05:52","slug":"are-the-voltage-outputs-from-piezo-strain-gage-repeatable","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/are-the-voltage-outputs-from-piezo-strain-gage-repeatable\/","title":{"rendered":"\u0110\u1ed9 l\u1eb7p l\u1ea1i t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n"},"content":{"rendered":"<p>\u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n (piezo strain gage) l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111o l\u01b0\u1eddng bi\u1ebfn d\u1ea1ng. M\u1eb7c d\u00f9 c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 \u0111\u1ed9 nh\u1ea1y cao, d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, nh\u01b0ng t\u00ednh l\u1eb7p l\u1ea1i c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1, \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u00e0 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n v\u00e0 \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o.<\/p>\n<h3>\u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h3>\n<p>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m l\u00e0 hai y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra. T\u01b0\u01a1ng t\u1ef1, \u0111\u1ed9 \u1ea9m cao c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i c\u1ee7a v\u1eadt li\u1ec7u, g\u00e2y ra s\u1ef1 tr\u00f4i d\u1ea1t t\u00edn hi\u1ec7u.<\/p>\n<h3>\u1ea2nh h\u01b0\u1edfng c\u1ee7a t\u1ea3i tr\u1ecdng<\/h3>\n<p>\u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 v\u00e0 c\u00e1ch th\u1ee9c t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00ean c\u1ea3m bi\u1ebfn. Vi\u1ec7c \u00e1p d\u1ee5ng t\u1ea3i tr\u1ecdng qu\u00e1 m\u1ee9c ho\u1eb7c t\u1ea3i tr\u1ecdng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u1edbi t\u1ea7n s\u1ed1 cao c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn s\u1ef1 suy gi\u1ea3m hi\u1ec7u su\u1ea5t v\u00e0 gi\u1ea3m \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ki\u1ec3u t\u1ea3i tr\u1ecdng<\/th>\n<th>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 l\u1eb7p l\u1ea1i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea3i tr\u1ecdng t\u0129nh<\/td>\n<td>\u0110\u1ed9 l\u1eb7p l\u1ea1i cao<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea3i tr\u1ecdng \u0111\u1ed9ng<\/td>\n<td>\u0110\u1ed9 l\u1eb7p l\u1ea1i th\u1ea5p h\u01a1n, ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea3i tr\u1ecdng qu\u00e1 m\u1ee9c<\/td>\n<td>Gi\u1ea3m \u0111\u1ed9 l\u1eb7p l\u1ea1i \u0111\u00e1ng k\u1ec3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u<\/h3>\n<p>M\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c khu\u1ebfch \u0111\u1ea1i v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n.  S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ch \u0111i\u1ec1u h\u00f2a \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111o.  C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec5u, tr\u00f4i d\u1ea1t c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed trong m\u1ea1ch c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a k\u1ebft qu\u1ea3 \u0111o.<\/p>\n<h3>Gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n \u0111\u1ed9 l\u1eb7p l\u1ea1i<\/h3>\n<p>\u0110\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n, c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n<ul>\n<li>Ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng \u0111o:  Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh \u0111o.<\/li>\n<li>S\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cao: L\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn.<\/li>\n<li>Hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3: Hi\u1ec7u chu\u1ea9n c\u1ea3m bi\u1ebfn th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/li>\n<li>Thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u ph\u00f9 h\u1ee3p: S\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf m\u1ea1ch t\u1ed1i \u01b0u \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nhi\u1ec5u v\u00e0 tr\u00f4i d\u1ea1t.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1.  Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea3i thi\u1ec7n ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c ph\u00e9p \u0111o s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n.  B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng, l\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cao, hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u t\u1ed1i \u01b0u, ch\u00fang ta c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n (piezo strain gage) l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111o l\u01b0\u1eddng bi\u1ebfn d\u1ea1ng. M\u1eb7c d\u00f9 c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 \u0111\u1ed9<\/p>\n","protected":false},"author":1,"featured_media":5004,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-53648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/53648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=53648"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/53648\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/5004"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=53648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=53648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=53648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}