{"id":18487,"date":"2014-11-24T10:55:55","date_gmt":"2014-11-24T03:55:55","guid":{"rendered":"https:\/\/banbientan.com\/?p=18487"},"modified":"2014-11-24T10:55:55","modified_gmt":"2014-11-24T03:55:55","slug":"cam-bien-do-luong-thong-minh-la-gi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=18487","title":{"rendered":"C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng th\u00f4ng minh l\u00e0 g\u00ec ?"},"content":{"rendered":"<h3><strong>Gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n v\u1ec1 c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng<\/strong><\/h3>\n<p>S\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p ng\u00e0y nay \u0111\u00e3 \u0111\u1ea1t t\u1edbi tr\u00ecnh \u0111\u1ed9 cao v\u1ec1 \u0111\u1ed9 tinh x\u1ea3o trong c\u00e1c thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m v\u00e0 ph\u01b0\u01a1ng th\u1ee9c s\u1ea3n xu\u1ea5t. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n t\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh v\u00e0 c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng.<\/p>\n<h3><strong>C\u00e1c v\u00ed d\u1ee5 v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng th\u00f4ng minh.<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18489\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/E1372DCA-26C6-462A-8987-5158D46CA6C6.png\" alt=\"ung dung cam bien do luong\" width=\"295\" height=\"219\" \/><br \/>\n<\/strong><\/h3>\n<p>C\u00e1c c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng c\u00f4ng nghi\u1ec7p xu\u1ea5t hi\u1ec7n \u1edf nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<br \/>\nTh\u00f4ng th\u01b0\u1eddng c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1eadt th\u1ec3.<br \/>\n<span style=\"font-family: Arial;\">Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng k\u1ebft h\u1ee3p m\u1ed9t ho\u1eb7c nhi\u1ec1u c\u1ea3m bi\u1ebfn ch\u00ednh x\u00e1c v\u00e0 c\u00e1c d\u1eef li\u1ec7u \u0111o \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd t\u1ed5ng th\u1ec3 \u0111\u1ec3 \u0111\u1ea1t t\u1edbi k\u1ebft qu\u1ea3 mong mu\u1ed1n. \u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 v\u1eady c\u1ea7n t\u1edbi c\u00e1c chuy\u00ean gia c\u00f3 kinh nghi\u1ec7m.<\/span><br \/>\nB\u1ea1n h\u00e3y nh\u1ea5n v\u00e0o h\u00ecnh b\u00ean ph\u1ea3i \u0111\u1ec3 xem m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 s\u1eed d\u1ee5ng C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng trong c\u00f4ng nghi\u1ec7p.<\/p>\n<h3><strong>\u0110\u1ecbnh ngh\u0129a C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng th\u00f4ng minh<\/strong><\/h3>\n<p><strong>C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng c\u1ee7a Omron<\/strong> kh\u00f4ng ch\u1ec9 \u0111\u01b0a ra gi\u00e1 tr\u1ecb \u0111o m\u00e0 c\u00f2n cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng th\u00f4ng minh \u0111i k\u00e8m gi\u00fap ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00e0i \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>X\u1eed l\u00fd c\u00e1c thu\u1eadt to\u00e1n nh\u01b0 g\u00f3c ren, c\u00e1c gi\u00e1 tr\u1ecb\u00a0nh\u1ecf nh\u1ea5t\/l\u1edbn nh\u1ea5t.<\/li>\n<li>T\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh ngu\u1ed3n ph\u00e1t laze cho ph\u00f9 h\u1ee3p \u1ee9ng d\u1ee5ng (c\u00e1c c\u1ea3m bi\u1ebfn d\u00f2ng ZS, ZX2, ZX1)<\/li>\n<li>Ki\u1ec3m so\u00e1t nhi\u1ec1u \u0111\u1ea7u c\u1ea3m bi\u1ebfn<\/li>\n<\/ul>\n<h3><strong>Thu\u1eadt ng\u1eef v\u1ec1 C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng th\u00f4ng minh.<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/BE66ABAA-2D2A-4588-8B8C-1305345FB464.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18502 \" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/BE66ABAA-2D2A-4588-8B8C-1305345FB464.png\" alt=\"thuat ngu cam bien\" width=\"251\" height=\"157\" \/><\/a><\/strong><\/h3>\n<p>Tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c, ch\u00fang ta c\u1ea7n xem qua m\u1ed9t s\u1ed1 \u0111\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh c\u1ee7a nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang. \u0110\u00f3 l\u00e0:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 tuy\u1ebfn t\u00ednh (Linearity)<\/strong><\/li>\n<li><strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i (Resolution)<\/strong><\/li>\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c (Accuracy)<\/strong><\/li>\n<li><strong>\u0110\u1ed9 chu\u1ea9n x\u00e1c (Precision)<\/strong><\/li>\n<\/ul>\n<p><strong>\u0110\u1ed9 tuy\u1ebfn t\u00ednh (Linearity)<br \/>\n<\/strong><br \/>\nT\u00edn hi\u1ec7u \u0111\u1ea7u ra c\u1ee7a c\u1ea3m bi\u1ebfn s\u1ebd t\u1ef7 l\u1ec7 tuy\u1ebfn t\u00ednh v\u1edbi gi\u00e1 tr\u1ecb \u0111o l\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng.<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18503 \" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/0AD42788-8838-4425-B549-58DCB34B36E4.jpg\" alt=\"do tuyen tinh\" width=\"244\" height=\"227\" \/><br \/>\nTrong th\u1ef1c t\u1ebf, c\u00f3 \u0111\u1ed9 l\u1ec7ch (deviation) gi\u1eefa gi\u00e1 tr\u1ecb th\u1ef1c v\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ea7u ra c\u1ee7a c\u1ea3m bi\u1ebfn. \u0110\u1ed9 l\u1ec7ch n\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 cho bi\u1ebft ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9 tuy\u1ebfn t\u00ednh trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt.<br \/>\n<strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i (Resolution) <\/strong><br \/>\n<strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/strong> trong c\u00e1c c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng v\u00e0 c\u1ea3m bi\u1ebfn \u0111o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n c\u1ee7a OMRON \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 dao \u0111\u1ed9ng nh\u1ecf c\u1ee7a \u0111\u1ea7u ra khi c\u1ea3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n \u0111o v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ec1u \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<br \/>\n\u0110\u1ed9 ph\u00e2n gi\u1ea3i c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi \u0111\u1ed9 chu\u1ea9n x\u00e1c c\u1ee7a c\u1ea3m bi\u1ebfn v\u00e0 n\u00f3 ch\u00ednh l\u00e0 m\u1ee9c nhi\u1ec5u t\u00edn hi\u1ec7u c\u1ee7a c\u1ea3m bi\u1ebfn. \u0110\u1ed9 ph\u00e2n gi\u1ea3i c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00e0u s\u1eafc, b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a c\u1ea3m bi\u1ebfn.<br \/>\nHi\u1ec7u ch\u1ec9nh CMOS, quang h\u1ecdc, v\u00e0 thu\u1eadt to\u00e1n ph\u1ea7n m\u1ec1m trong m\u1ed9t s\u1ed1 c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 gi\u1ea3m b\u1edbt \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00e0u s\u1eafc v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n \u0111o t\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i.<br \/>\nTrong nh\u1eefng \u1ee9ng d\u1ee5ng v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n, c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c ch\u1ecdn c\u1ea7n c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t h\u01a1n t\u1eeb 10 \u0111\u1ebfn 100 l\u1ea7n so v\u1edbi lo\u1ea1i \u0111\u01b0\u1ee3c ch\u1ecdn d\u00f9ng \u0111\u1ec3 \u0111o v\u1eadt t\u0129nh.<br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/B59D6807-ECCD-4907-8995-F6A935BEF9BC.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18505\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/D971AC82-FDC9-404B-96C3-B6794F796707.png\" alt=\"{D971AC82-FDC9-404B-96C3-B6794F796707}\" width=\"269\" height=\"110\" \/><\/a>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18504\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/B59D6807-ECCD-4907-8995-F6A935BEF9BC.png\" alt=\"do phan giai cam bien\" width=\"378\" height=\"312\" \/><br \/>\n\u0110\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u00ec c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng v\u00e0 c\u1ea3m bi\u1ebfn \u0111o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n c\u1ea7n t\u00ednh to\u00e1n l\u1ea5y gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a nhi\u1ec1u ph\u00e9p \u0111o.<br \/>\nV\u00ed d\u1ee5 trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt \u1edf b\u00ean ph\u1ea3i, gi\u00e1 tr\u1ecb v\u1ec1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a 4069 l\u1ea7n \u0111o.<br \/>\n\u0110\u1ed9 ph\u00e2n gi\u1ea3i s\u1ebd t\u0103ng n\u1ebfu c\u1ea3m bi\u1ebft \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp l\u1ea5y gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a nhi\u1ec1u l\u1ea7n \u0111o h\u01a1n. Tuy nhi\u00ean th\u1eddi gian \u0111\u00e1p \u1ee9ng c\u0169ng t\u0103ng theo.<br \/>\nM\u1ed9t s\u1ed1 c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 t\u1ef1 t\u1ed1i \u01b0u s\u1ed1 l\u1ea7n \u0111o nh\u01b0 c\u1ea3m bi\u1ebfn ZX2 v\u00e0 ZX1 c\u1ee7a OMRON. Ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 c\u1ea3m bi\u1ebfn n\u00e0y \u1edf b\u00e0i sau.<br \/>\nC\u00f4ng th\u1ee9c th\u01b0\u1eddng d\u00f9ng khi l\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn l\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i n\u00ean g\u1ea5p 10 l\u1ea7n so v\u1edbi \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u.<br \/>\n<span style=\"color: #000000; font-family: Arial;\">V\u00ed d\u1ee5: N\u1ebfu \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ph\u00e2n gi\u1ea3i 1mm, th\u00ec n\u00ean ch\u1ecdn c\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1i thi\u1ec3u l\u00e0 100\u00b5m.<\/span><br \/>\n<strong>\u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 chu\u1ea9n x\u00e1c<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/2D609CF1-A954-4653-AFDA-5879ABC0C371.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18508\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/2D609CF1-A954-4653-AFDA-5879ABC0C371.png\" alt=\"do chinh xac\" width=\"297\" height=\"155\" \/><\/a><\/strong><br \/>\n<strong>\u0110\u1ed9 ch\u00ednh x\u00e1c (Accuracy)<\/strong> l\u00e0 \u0111\u1ed9 l\u1ec7ch c\u1ee7a gi\u00e1 tr\u1ecb \u0111o hay gi\u00e1 tr\u1ecb t\u00ednh to\u00e1n so v\u1edbi gi\u00e1 tr\u1ecb th\u1ef1c. N\u00f3 ph\u1ea3n \u00e1nh t\u1ea5t c\u1ea3 nh\u1eefng sai s\u1ed1 c\u00f3 th\u1ec3 c\u00f3 nh\u01b0 l\u00e0 sai s\u1ed1 c\u0103n ch\u1ec9nh, sai s\u1ed1 ph\u00e9p \u0111o, sai s\u1ed1 do nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i.<br \/>\n<strong>\u0110\u1ed9 chu\u1ea9n x\u00e1c (Precision)<\/strong> &#8211; c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i &#8211; l\u00e0 c\u1ea5p \u0111\u1ed9 cho th\u1ea5y gi\u00e1 tr\u1ecb \u0111o l\u01b0\u1eddng hay t\u00ednh to\u00e1n c\u1ee7a nhi\u1ec1u ph\u00e9p \u0111o l\u00e0 nh\u01b0 nhau ho\u1eb7c t\u01b0\u01a1ng t\u1ef1 nhau.<br \/>\nV\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng \u0111o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n th\u00ec \u0111\u1ed9 chu\u1ea9n x\u00e1c cao quan tr\u1ecdng h\u01a1n \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n<h3><strong>V\u1eady kh\u00e1c bi\u1ec7t gi\u1eefa c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng (measurement) v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ed9 d\u1ecbch chuy\u1ec3n (displacement)l\u00e0 g\u00ec ?<\/strong><\/h3>\n<p>T\u00e0i li\u1ec7u c\u1ea3m bi\u1ebfn th\u01b0\u1eddng ph\u00e2n bi\u1ec7t gi\u1eefa v\u00e0 <strong><span style=\"text-decoration: underline;\">c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng<\/span><\/strong> v\u00e0 <strong><span style=\"text-decoration: underline;\">c\u1ea3m bi\u1ebfn \u0111o d\u1ecbch chuy\u1ec3n.<\/span><\/strong><br \/>\n<strong>C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng (measurement)<\/strong> <span style=\"font-family: Arial; font-size: medium;\">c\u00f3 kh\u1ea3 n\u0103ng \u0111o m\u1ed9t gi\u00e1 tr\u1ecb hay kho\u1ea3ng c\u00e1ch tuy\u1ec7t \u0111\u1ed1i. .<\/span><br \/>\n<strong>C\u1ea3m bi\u1ebfn \u0111o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n (displacement)<\/strong> <span style=\"font-family: Arial; font-size: medium;\">th\u00ec \u0111o gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i (v\u00ed d\u1ee5 di chuy\u1ec3n t\u1eeb v\u1ecb tr\u00ed A t\u1edbi v\u1ecb tr\u00ed B) .<\/span><br \/>\nC\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng c\u00f9ng nh\u00f3m v\u1edbi c\u1ea3m bi\u1ebfn \u0111o d\u1ecbch chuy\u1ec3n b\u1edfi v\u00ec ch\u00fang c\u0103n theo m\u1ed9t gi\u00e1 tr\u1ecb tham chi\u1ebfu \u0111\u00e3 bi\u1ebft \u0111\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb kho\u1ea3ng c\u00e1ch tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<h3><strong>C\u00e1c c\u00f4ng ngh\u1ec7 C\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng th\u00f4ng minh<\/strong><\/h3>\n<p>Hi\u1ec7n c\u00f3 nhi\u1ec1u c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn \u0111o v\u00e0 c\u1ea3m bi\u1ebfn d\u1ecbch chuy\u1ec3n.<br \/>\nTrong kh\u00f3a n\u00e0y ch\u00fang ta s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c lo\u1ea1i ch\u00ednh \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u1ea3m bi\u1ebfn \u0111o v\u00e0 c\u1ea3m bi\u1ebfn d\u1ecbch chuy\u1ec3n c\u1ee7a Omron:<\/p>\n<ul>\n<li><strong>C\u00f4ng ngh\u1ec7 Tam gi\u00e1c laze (Laser Triangulation)<br \/>\n<\/strong><\/li>\n<li><strong>Micro-m\u00e9t laze (Laser Micrometer)<br \/>\n<\/strong><\/li>\n<li><strong>C\u00f4ng ngh\u1ec7 \u0110o ti\u1ebfp x\u00fac<br \/>\n<\/strong><\/li>\n<li><strong>\u0110o theo nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng t\u1eeb<\/strong><\/li>\n<\/ul>\n<p><strong>C\u00f4ng ngh\u1ec7 Tam gi\u00e1c Laze (Laser Triangulation)<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/DE4C264A-940F-459A-A564-61FDEBF7DD43.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18511 \" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/DE4C264A-940F-459A-A564-61FDEBF7DD43.png\" alt=\"Laser Triangulation\" width=\"140\" height=\"233\" \/><\/a><\/strong><br \/>\nC\u00e1c c\u1ea3m bi\u1ebfn s\u1eed d\u1ee5ng nguy\u00ean l\u00fd <strong>Tam gi\u00e1c Laze<\/strong> x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 l\u1ea1i t\u1eeb b\u1ec1 m\u1eb7t v\u1eadt. M\u1ed9t tia laze \u0111\u01b0\u1ee3c ph\u00f3ng v\u1ec1 \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 tia ph\u1ea3n x\u1ea1 \u0111\u01b0\u1ee3c t\u1eadp trung b\u1eb1ng 1 \u1ed1ng k\u00ednh quang h\u1ecdc v\u00e0o thi\u1ebft b\u1ecb c\u1ea3m nh\u1eadn \u00e1nh s\u00e1ng hay <strong>\u0111\u1ea7u thu<\/strong>.<br \/>\nN\u1ebfu v\u1ecb tr\u00ed \u0111\u1ed1i t\u01b0\u1ee3ng thay \u0111\u1ed5i t\u1eeb v\u1ecb tr\u00ed tham chi\u1ebfu, v\u1ecb tr\u00ed c\u1ee7a \u0111i\u1ec3m ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng tr\u00ean \u0111\u1ea7u thu c\u0169ng thay \u0111\u1ed5i theo. V\u1ecb tr\u00ed c\u1ee7a \u0111i\u1ec3m n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang gi\u00e1 tr\u1ecb \u0111\u1ea7u ra s\u1ed1 hay t\u01b0\u01a1ng t\u1ef1 t\u1ef7 l\u1ec7 v\u1edbi v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<br \/>\nKho\u1ea3ng c\u00e1ch ph\u00e1t hi\u1ec7n xa, t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao cho ph\u00e9p c\u1ea3m bi\u1ebfn Laze \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p.<br \/>\nXem th\u00eam v\u1ec1 c\u00f4ng ngh\u1ec7 n\u00e0y t\u1ea1i:\u00a0<a href=\"https:\/\/banbientan.com\/cong-nghe-tam-giac-laze-laser-triangulation\/\" target=\"_blank\" rel=\"noopener\"><strong>C\u00f4ng ngh\u1ec7 Tam gi\u00e1c Laze<\/strong><\/a><br \/>\n<strong>C\u00f4ng ngh\u1ec7 Micro-m\u00e9t Laze (Laser Micrometer)<\/strong><br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/8F7FF6BC-165A-4545-BF76-FF82D56DE2EE.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18520\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/8F7FF6BC-165A-4545-BF76-FF82D56DE2EE.png\" alt=\"Laser Micrometer 1\" width=\"517\" height=\"123\" \/><\/a> <a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/D19DDBA6-AA39-4070-ACE3-08AFD9937A13.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18521\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/D19DDBA6-AA39-4070-ACE3-08AFD9937A13.jpg\" alt=\"Laser Micrometer\" width=\"133\" height=\"127\" \/><\/a><br \/>\nMicro-m\u00e9t Laze t\u1ea1o ra 1 d\u1ea3i \u00e1nh s\u00e1ng gi\u1eefa \u0111\u1ea7u ph\u00e1t v\u00e0 \u0111\u1ea7u thu. \u1ede \u0111\u1ea7u ph\u00e1t, 1 \u1ed1ng k\u00ednh chu\u1ea9n tr\u1ef1c (collimation lens) m\u1edf r\u1ed9ng tia laze th\u00e0nh 1 d\u1ea3i s\u00e1ng. \u1ede \u0111\u1ea7u thu, c\u00f3 1 d\u1ea3i c\u00e1c c\u1ea3m bi\u1ebfn nh\u1eadn \u00e1nh s\u00e1ng (v\u00ed d\u1ee5 CCD) \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ecb tr\u00ed d\u1ea3i \u00e1nh s\u00e1ng b\u1ecb ch\u1eafn, d\u00f9 l\u00e0 nh\u1ecf nh\u1ea5t.<br \/>\nDo v\u1eady, Micro-m\u00e9t Laze ph\u00e1t hi\u1ec7n c\u00e1c g\u00f3c c\u1ea1nh, \u0111o \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng k\u00ednh v\u00e0 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c v\u1ecb tr\u00ed c\u1ee7a v\u1eadt n\u1eb1m trong d\u1ea3i s\u00e1ng. Ph\u01b0\u01a1ng ph\u00e1p \u0111o n\u00e0y r\u1ea5t \u1ed5n \u0111\u1ecbnh th\u1eadm ch\u00ed cho c\u1ea3 \u0111\u1ed1i t\u01b0\u1ee3ng trong su\u1ed1t hay b\u1ec1 m\u1eb7t b\u00f3ng lo\u00e1ng. \u0110\u1ed9 ph\u00e2n gi\u1ea3i \u0111i\u1ec3n h\u00ecnh c\u1ee7a Micro-m\u00e9t Laze l\u00e0 10\u00b5m.<br \/>\nXem th\u00eam c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1i: <a href=\"https:\/\/banbientan.com\/ung-dung-cong-nghe-micro-met-laze-laser-micrometer\/\" target=\"_blank\" rel=\"noopener\"><strong>\u1ee9ng d\u1ee5ng C\u00f4ng ngh\u1ec7 Micro-m\u00e9t Laze\u00a0<\/strong><\/a><br \/>\n<strong>C\u00f4ng ngh\u1ec7 \u0110o ti\u1ebfp x\u00fac<\/strong>\u00a0<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/41288103-D9B7-4476-9499-5A2E1F0DC567.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18528 \" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/41288103-D9B7-4476-9499-5A2E1F0DC567.jpg\" alt=\"cam bien do tiep xuc\" width=\"261\" height=\"141\" \/><\/a><br \/>\nC\u1ea3m bi\u1ebfn ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u01b0 m\u00e1y c\u00f4ng c\u1ee5 hay chi ti\u1ebft \u00f4t\u00f4 v\u00e0 cho \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u1ea5t trong s\u1ed1 c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u1ec1 c\u1eadp trong kh\u00f3a n\u00e0y (v\u00ed d\u1ee5 ZX-T c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i 0.1\u00b5m).<br \/>\nC\u1ea3m bi\u1ebfn \u0111o ti\u1ebfp x\u00fac c\u0169ng n\u00ean \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 d\u00ednh d\u1ea7u m\u1ee1 hay c\u00e1c ph\u1ea7n t\u1eed vi m\u00f4.<br \/>\nV\u00ec vi\u1ec7c \u0111o c\u1ee7a c\u1ea3m bi\u1ebfn \u0111o ti\u1ebfp x\u00fac c\u1ea7n m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh n\u00ean n\u00f3 kh\u00f4ng th\u1ec3 \u1ee9ng d\u1ee5ng cho c\u00e1c qu\u00e1 tr\u00ecnh t\u1ed1c \u0111\u1ed9 cao.<br \/>\n<strong>\u1ee8ng d\u1ee5ng:<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td>\u0110o \u0111\u1ed9 d\u00e0y p\u00edt t\u00f4ng<\/td>\n<td>\u0110o \u0111\u1ed9 m\u00e9o c\u1ee7a t\u1ea5m che \u1ed5 c\u1ee9ng HDD<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/AA5B2D68-026C-40A0-A59B-D7FE1957E800.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18496\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/AA5B2D68-026C-40A0-A59B-D7FE1957E800.png\" alt=\"cam bien do do day pit tong\" width=\"354\" height=\"277\" \/><\/a><\/td>\n<td><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/7DAB4F33-6C23-4C63-8B74-E6F3838A240A.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18529\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/7DAB4F33-6C23-4C63-8B74-E6F3838A240A.png\" alt=\"cam bien do do day o cung HHD\" width=\"273\" height=\"273\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>C\u00f4ng ngh\u1ec7 \u0111o theo nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng t\u1eeb<\/strong><br \/>\nC\u1ea3m bi\u1ebfn d\u1ecbch chuy\u1ec3n \u0111o theo nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng t\u1eeb d\u00f9ng 1 tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb dao \u0111\u1ed9ng \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt. Do v\u1eady n\u00f3 ch\u1ec9 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 kim lo\u1ea1i.<br \/>\nC\u1ea3m bi\u1ebfn lo\u1ea1i n\u00e0y th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i 1\u00b5m v\u00e0 th\u1eddi gian \u0111\u00e1p \u1ee9ng kho\u1ea3ng 150\u00b5s.<br \/>\nC\u1ea3m bi\u1ebfn d\u1ecbch chuy\u1ec3n c\u1ea3m \u1ee9ng t\u1eeb \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 ng\u00e0nh ch\u1ebf t\u1ea1o \u00f4 t\u00f4, m\u00e1y gia c\u00f4ng kim lo\u1ea1i.<br \/>\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng ki\u1ec3m so\u00e1t \u0111\u1ed9 l\u1ec7ch t\u00e2m.<br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/95DDA5A1-0657-4C19-ACE0-C5FF831B204B.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18532\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/95DDA5A1-0657-4C19-ACE0-C5FF831B204B.png\" alt=\"cam bien cam ung tu\" width=\"244\" height=\"246\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18531\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/11\/4CDF56C8-2846-470B-B223-06C6DAB1B333.png\" alt=\"cam bien do do lech tam\" width=\"323\" height=\"247\" \/><\/a><br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n v\u1ec1 c\u1ea3m bi\u1ebfn \u0111o l\u01b0\u1eddng S\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p ng\u00e0y nay \u0111\u00e3 \u0111\u1ea1t t\u1edbi tr\u00ecnh \u0111\u1ed9 cao v\u1ec1 \u0111\u1ed9 tinh x\u1ea3o trong c\u00e1c thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m v\u00e0 ph\u01b0\u01a1ng th\u1ee9c s\u1ea3n xu\u1ea5t. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n t\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn h\u00ecnh [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":18488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13159],"tags":[12459,13158,13160],"class_list":["post-18487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cam-bien-do-luong-thong-minh","tag-cam-bien","tag-cam-bien-do-luong","tag-laser-triangulation"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18487"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18487\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}