{"id":27801,"date":"2023-12-07T04:45:34","date_gmt":"2023-12-07T04:45:34","guid":{"rendered":"https:\/\/masterskills.org\/blog\/bieu-do-kiem-soat-chat-luong-quality-control-chart-la-gi-dac-diem.html"},"modified":"2023-12-22T16:55:48","modified_gmt":"2023-12-22T09:55:48","slug":"bieu-do-kiem-soat-chat-luong-quality-control-chart-la-gi-dac-diem","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/bieu-do-kiem-soat-chat-luong-quality-control-chart-la-gi-dac-diem.html","title":{"rendered":"Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng (Quality Control Chart) l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m"},"content":{"rendered":"
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\u1ea2nh minh h\u1ecda. Ngu\u1ed3n: 123RF.<\/p>\n<\/div>\n<\/div>\n

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/font><\/b><\/h2>\n

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

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng <\/b>ti\u1ebfng Anh l\u00e0 Quality Control Chart.<\/b><\/p>\n

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/b> l\u00e0 m\u1ed9t h\u00ecnh \u1ea3nh m\u00f4 t\u1ea3 xem c\u00e1c s\u1ea3n ph\u1ea9m ho\u1eb7c qui tr\u00ecnh \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u0129 thu\u1eadt d\u1ef1 \u0111\u1ecbnh c\u1ee7a ch\u00fang hay kh\u00f4ng, n\u1ebfu kh\u00f4ng, th\u00ec bi\u1ec3u \u0111\u1ed3 m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 m\u00e0 ch\u00fang thay \u0111\u1ed5i so v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u0129 thu\u1eadt \u0111\u00f3. Bi\u1ec3u \u0111\u1ed3 ph\u00e2n t\u00edch m\u1ed9t thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3 c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bi\u1ec3u \u0111\u1ed3 \u0111\u01a1n bi\u1ebfn.<\/p>\n

Khi bi\u1ec3u \u0111\u1ed3 \u0111o l\u01b0\u1eddng ph\u01b0\u01a1ng sai trong m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh s\u1ea3n ph\u1ea9m, n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bi\u1ec3u \u0111\u1ed3 \u0111a bi\u1ebfn. C\u00e1c s\u1ea3n ph\u1ea9m ch\u1ecdn ng\u1eabu nhi\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra thu\u1ed9c t\u00ednh m\u00e0 bi\u1ec3u \u0111\u1ed3 \u0111ang theo d\u00f5i.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/font><\/b><\/h3>\n

M\u1ed9t d\u1ea1ng ph\u1ed5 bi\u1ebfn c\u1ee7a bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 Bi\u1ec3u \u0111\u1ed3 X-Bar, trong \u0111\u00f3 tr\u1ee5c Y tr\u00ean bi\u1ec3u \u0111\u1ed3 theo d\u00f5i m\u1ee9c \u0111\u1ed9 m\u00e0 ph\u01b0\u01a1ng sai c\u1ee7a thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Tr\u1ee5c X theo d\u00f5i c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh ph\u01b0\u01a1ng sai \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1eb1ng bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh xem c\u00e1c l\u1ed7i x\u1ea3y ra ng\u1eabu nhi\u00ean hay theo h\u1ec7 th\u1ed1ng.<\/p>\n

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng c\u00f3 th\u1ec3 l\u00e0 \u0111\u01a1n bi\u1ebfn ho\u1eb7c \u0111a bi\u1ebfn, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb li\u1ec7u s\u1ea3n ph\u1ea9m ho\u1eb7c qui tr\u00ecnh c\u00f3 l\u1ec7ch kh\u1ecfi m\u1ed9t ho\u1eb7c nhi\u1ec1u h\u01a1n m\u1ed9t k\u1ebft qu\u1ea3 mong mu\u1ed1n hay kh\u00f4ng.<\/p>\n

Qui tr\u00ecnh x\u00e2y d\u1ef1ng Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng:<\/p>\n

1. Ch\u1ecdn bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t th\u00edch h\u1ee3p cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n

2. X\u00e1c \u0111\u1ecbnh kho\u1ea3ng th\u1eddi gian th\u00edch h\u1ee3p \u0111\u1ec3 thu th\u1eadp v\u00e0 v\u1ebd d\u1eef li\u1ec7u.<\/p>\n

3. Thu th\u1eadp d\u1eef li\u1ec7u, x\u00e2y d\u1ef1ng bi\u1ec3u \u0111\u1ed3 v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n

4. T\u00ecm “t\u00edn hi\u1ec7u ngo\u00e0i t\u1ea7m ki\u1ec3m so\u00e1t” tr\u00ean bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t. Khi m\u1ed9t t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, \u0111\u00e1nh d\u1ea5u n\u00f3 tr\u00ean bi\u1ec3u \u0111\u1ed3 v\u00e0 \u0111i\u1ec1u tra nguy\u00ean nh\u00e2n. Ghi l\u1ea1i c\u00e1ch nghi\u00ean c\u1ee9u, ki\u1ebfn th\u1ee9c v\u00e0 kinh nghi\u1ec7m c\u1ee7a m\u00ecnh, nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c nh\u1eefng t\u00edn hi\u1ec7u ngo\u00e0i t\u1ea7m ki\u1ec3m so\u00e1t \u0111\u00f3. <\/p>\n

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi n\u00e0o?<\/font><\/b><\/h3>\n

Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, v\u00ed d\u1ee5:<\/p>\n

– Khi ki\u1ec3m so\u00e1t c\u00e1c qu\u00e1 tr\u00ecnh \u0111ang di\u1ec5n ra b\u1eb1ng c\u00e1ch t\u00ecm v\u00e0 s\u1eeda c\u00e1c v\u1ea5n \u0111\u1ec1 khi ch\u00fang x\u1ea3y ra<\/p>\n

– Khi d\u1ef1 \u0111o\u00e1n ph\u1ea1m vi k\u1ebft qu\u1ea3 d\u1ef1 ki\u1ebfn t\u1eeb m\u1ed9t qu\u00e1 tr\u00ecnh<\/p>\n

– Khi x\u00e1c \u0111\u1ecbnh xem m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 \u1ed5n \u0111\u1ecbnh hay kh\u00f4ng (trong ki\u1ec3m so\u00e1t th\u1ed1ng k\u00ea)<\/p>\n

– Khi ph\u00e2n t\u00edch c\u00e1c m\u1eabu bi\u1ebfn th\u1ec3 c\u1ee7a qu\u00e1 tr\u00ecnh t\u1eeb c\u00e1c nguy\u00ean nh\u00e2n \u0111\u1eb7c bi\u1ec7t (c\u00e1c s\u1ef1 ki\u1ec7n kh\u00f4ng th\u01b0\u1eddng xuy\u00ean) ho\u1eb7c c\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn (\u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong qui tr\u00ecnh)<\/p>\n

– Khi x\u00e1c \u0111\u1ecbnh li\u1ec7u d\u1ef1 \u00e1n c\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 nh\u1eb1m m\u1ee5c \u0111\u00edch ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i c\u01a1 b\u1ea3n cho qui tr\u00ecnh hay kh\u00f4ng.<\/p>\n

(Theo\u00a0Investopedia<\/i> v\u00e0 ASQ<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng (ti\u1ebfng Anh: Quality Control Chart) l\u00e0 m\u1ed9t h\u00ecnh \u1ea3nh m\u00f4 t\u1ea3 xem c\u00e1c s\u1ea3n ph\u1ea9m ho\u1eb7c qui tr\u00ecnh \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u0129 thu\u1eadt d\u1ef1 \u0111\u1ecbnh c\u1ee7a ch\u00fang hay kh\u00f4ng, n\u1ebfu kh\u00f4ng, th\u00ec bi\u1ec3u \u0111\u1ed3 m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 m\u00e0 ch\u00fang thay \u0111\u1ed5i so v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u0129 thu\u1eadt \u0111\u00f3.\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\/27801"}],"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=27801"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27801\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}