{"id":29421,"date":"2023-12-07T07:36:29","date_gmt":"2023-12-07T07:36:29","guid":{"rendered":"https:\/\/masterskills.org\/blog\/kiem-soat-qua-trinh-bang-thong-ke-statistical-process-control-spc-la-gi.html"},"modified":"2023-12-23T06:09:21","modified_gmt":"2023-12-22T23:09:21","slug":"kiem-soat-qua-trinh-bang-thong-ke-statistical-process-control-spc-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/kiem-soat-qua-trinh-bang-thong-ke-statistical-process-control-spc-la-gi.html","title":{"rendered":"Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea (Statistical process control – SPC) l\u00e0 g\u00ec?"},"content":{"rendered":"
\n
\n
<\/div>\n
\n

H\u00ecnh minh ho\u1ea1<\/p>\n<\/div>\n<\/div>\n

Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea (Statistical process control – SPC)<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea<\/b> trong ti\u1ebfng Anh l\u00e0 Statistical process control<\/b>, vi\u1ebft t\u1eaft l\u00e0 SPC<\/b>.\u00a0<\/p>\n

Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea<\/i> l\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea \u0111\u1ec3 thu th\u1eadp, tr\u00ecnh b\u00e0y, ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn, ch\u00ednh x\u00e1c v\u00e0 k\u1ecbp th\u1eddi nh\u1eb1m theo d\u00f5i, ki\u1ec3m so\u00e1t, c\u1ea3i ti\u1ebfn qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb, m\u1ed9t t\u1ed5 ch\u1ee9c b\u1eb1ng c\u00e1ch gi\u1ea3m t\u00ednh bi\u1ebfn \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n

C\u0169ng c\u00f3 th\u1ec3 hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m n\u00e0y nh\u01b0 sau:<\/p>\n

Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea<\/i> l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c k\u0129 thu\u1eadt th\u00f4ng k\u00ea trong thu th\u1eadp, ph\u00e2n lo\u1ea1i, x\u1eed l\u00ed v\u00e0 ph\u1ea3n \u00e1nh c\u00e1c d\u1eef li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c t\u1eeb k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi nh\u1eefng h\u00ecnh th\u1ee9c nh\u1ea5t \u0111\u1ecbnh gi\u00fap nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng th\u1ef1c tr\u1ea1ng v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00f3.<\/p>\n

M\u1ee5c \u0111\u00edch<\/font><\/h3>\n

M\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 c\u1ee7a ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea<\/b> l\u00e0:<\/p>\n

– Ph\u00e1t hi\u1ec7n s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh, s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a nguy\u00ean nh\u00e2n g\u00e1n \u0111\u01b0\u1ee3c.<\/p>\n

– X\u00e1c \u0111\u1ecbnh c\u00e1c nguy\u00ean nh\u00e2n l\u00e0m qu\u00e1 tr\u00ecnh ngo\u00e0i ki\u1ec3m so\u00e1t, kh\u1eafc ph\u1ee5c tr\u00e1nh g\u00e2y thi\u1ec7t h\u1ea1i v\u1ec1 kinh t\u1ebf.<\/p>\n

– N\u00e2ng cao, c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh, hay n\u00f3i c\u00e1ch kh\u00e1c l\u00e0 c\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n

Nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 bi\u1ebfn \u0111\u1ed9ng<\/font><\/h3>\n

– S\u1ef1 bi\u1ebfn \u0111\u1ed9ng n\u00e0y do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau:<\/p>\n

+ Lo\u1ea1i th\u1ee9 nh\u1ea5t: Do bi\u1ebfn \u0111\u1ed5i ng\u1eabu nhi\u00ean v\u1ed1n c\u00f3 c\u1ee7a qu\u00e1 tr\u00ecnh, ch\u00fang ph\u1ee5 thu\u1ed9c m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb, c\u00f4ng ngh\u1ec7 v\u00e0 c\u00e1ch \u0111o. Bi\u1ebfn \u0111\u1ed5i do nh\u1eefng nguy\u00ean nh\u00e2n n\u00e0y l\u00e0 \u0111i\u1ec1u t\u1ef1 nhi\u00ean, b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh, s\u1eeda sai.<\/p>\n

+ Lo\u1ea1i th\u1ee9 hai: Do nh\u1eefng nguy\u00ean nh\u00e2n kh\u00f4ng ng\u1eabu nhi\u00ean, nh\u1eefng nguy\u00ean nh\u00e2n \u0111\u1eb7c bi\u1ec7t b\u1ea5t th\u01b0\u1eddng m\u00e0 nh\u00e0 qu\u1ea3n tr\u1ecb c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng v\u00e0 c\u1ea7n ph\u1ea3i ng\u0103n ng\u1eeba nh\u1eefng sai s\u00f3t ti\u1ebfp t\u1ee5c ph\u00e1t sinh. Nguy\u00ean nh\u00e2n lo\u1ea1i n\u00e0y c\u00f3 th\u1ec3 do thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng ph\u00f9 h\u1ee3p, nguy\u00ean v\u1eadt li\u1ec7u c\u00f3 sai s\u00f3t, m\u00e1y m\u00f3c b\u1ecb h\u01b0, c\u00f4ng nh\u00e2n thao t\u00e1c kh\u00f4ng \u0111\u00fang…<\/p>\n

T\u00e1c d\u1ee5ng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea<\/font><\/h3>\n

Vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea gi\u00fap ch\u00fang ta gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nhi\u1ec1u v\u1ea5n \u0111\u1ec1 nh\u01b0:<\/p>\n

– T\u1eadp h\u1ee3p s\u1ed1 li\u1ec7u d\u1ec5 d\u00e0ng<\/p>\n

– X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1<\/p>\n

– Ph\u1ecfng \u0111o\u00e1n v\u00e0 nh\u1eadn bi\u1ebft c\u00e1c nguy\u00ean nh\u00e2n<\/p>\n

– Lo\u1ea1i b\u1ecf nguy\u00ean nh\u00e2n<\/p>\n

– Ng\u0103n ng\u1eeba c\u00e1c sai l\u1ed7i<\/p>\n

– X\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a c\u1ea3i ti\u1ebfn<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh Qu\u1ea3n tr\u1ecb kinh doanh, NXB T\u00e0i ch\u00ednh)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh b\u1eb1ng th\u1ed1ng k\u00ea (ti\u1ebfng Anh: Statistical process control) l\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea \u0111\u1ec3 thu th\u1eadp, tr\u00ecnh b\u00e0y, ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 k\u1ecbp th\u1eddi nh\u1eb1m theo d\u00f5i, ki\u1ec3m so\u00e1t, c\u1ea3i ti\u1ebfn qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[416],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/29421"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=29421"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/29421\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=29421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=29421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=29421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}