{"id":631,"date":"2021-10-01T08:00:27","date_gmt":"2021-10-01T08:00:27","guid":{"rendered":"https:\/\/rosetta.vn\/triz\/?p=631"},"modified":"2021-10-01T08:00:27","modified_gmt":"2021-10-01T08:00:27","slug":"bai-tap-thuc-hanh-giai-quyet-van-de-voi-triz-dot-23","status":"publish","type":"post","link":"https:\/\/rosetta.vn\/triz\/bai-tap-thuc-hanh-giai-quyet-van-de-voi-triz-dot-23\/","title":{"rendered":"B\u00e0i t\u1eadp th\u1ef1c h\u00e0nh gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u1edbi TRIZ – \u0111\u1ee3t 23"},"content":{"rendered":"

B\u00e0i 23.1. Xoay \u1ed1ng \u0111\u1ec3 h\u00e0n<\/strong><\/p>\n

H\u00e0n b\u1eb1ng ma s\u00e1t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 n\u1ed1i 2 kim lo\u1ea1i v\u1edbi nhau. M\u1ed9t mi\u1ebfng kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh trong khi mi\u1ebfng c\u00f2n l\u1ea1i quay xung quanh n\u00f3. Kh\u00f4ng c\u00f3 g\u00ec x\u1ea3y ra khi gi\u1eefa 2 mi\u1ebfng c\u00f3 kho\u1ea3ng c\u00e1ch. Ngay khi 2 mi\u1ebfng \u0111\u01b0\u1ee3c \u00e9p l\u1ea1i v\u1edbi nhau, m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn \u0111\u01b0\u1ee3c t\u1ea1o ra ch\u1ed7 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, v\u00e0 mi\u1ebfng kim lo\u1ea1i b\u1eaft \u0111\u1ea7u tan ch\u1ea3y. N\u1ebfu ta \u00e1p m\u1ed9t \u00e1p l\u1ef1c l\u1edbn v\u00e0o 2 mi\u1ebfng, ch\u00fang s\u1ebd g\u1eafn l\u1ea1i v\u1edbi nhau.<\/span><\/p>\n

Trong m\u1ed9t nh\u00e0 m\u00e1y, 1 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1eeb c\u00e1c \u1ed1ng s\u1eaft d\u00e0i 10m. Nh\u1eefng \u1ed1ng n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c n\u1ed1i b\u1eb1ng c\u00e1ch h\u00e0n ch\u00fang v\u1edbi ma s\u00e1t. \u0110\u01b0\u1eddng \u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c \u0111i qua v\u00e0i c\u00f4ng x\u01b0\u1edfng trong nh\u00e0 m\u00e1y. Ng\u01b0\u1eddi k\u1ef9 s\u01b0 tr\u01b0\u1edfng quy\u1ebft \u0111\u1ecbnh l\u1ea5y l\u1eddi khuy\u00ean t\u1eeb c\u00e1c k\u1ef9 s\u01b0:<\/span><\/p>\n

\u201cCh\u00fang ta kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p h\u00e0n. H\u00e0n b\u1eb1ng ma s\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u00e1y h\u00e0n kh\u00f4ng th\u1ec3 cho v\u1eeba v\u00e0o c\u00e1c x\u01b0\u1edfng m\u00e0 \u0111\u01b0\u1eddng \u1ed1ng \u0111i qua.\u201d<\/span><\/p>\n

\u201cCh\u00fang ta c\u00f3 th\u1ec3 d\u1eebng s\u1ea3n xu\u1ea5t \u1edf x\u01b0\u1edfng th\u1ee9 nh\u1ea5t, th\u00e1o r\u1eddi c\u00e1c thi\u1ebft b\u1ecb, l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 l\u1ea1i l\u1eafp \u0111\u1eb7t l\u1ea1i c\u00e1c thi\u1ebft b\u1ecb l\u1ea7n n\u1eefa. Sau \u0111\u00f3 chuy\u1ec3n sang x\u01b0\u1edfng k\u1ebf ti\u1ebfp.\u201d<\/span><\/p>\n

\u201cC\u00e1ch \u0111\u00f3 kh\u00f4ng kh\u1ea3 thi \u0111\u00e2u. C\u00e1c x\u01b0\u1edfng s\u1ebd m\u1ea5t r\u1ea5t nhi\u1ec1u th\u1eddi gian. Ch\u00fang ta c\u00f3 th\u1ec3 l\u1eafp \u0111\u01b0\u1eddng \u1ed1ng t\u1eeb nh\u1eefng \u1ed1ng ng\u1eafn h\u01a1n v\u1edbi \u0111\u1ed9 d\u00e0i ch\u1ec9 50 cm. M\u1ed9t c\u1ed7 m\u00e1y nh\u1ecf h\u01a1n c\u00f3 th\u1ec3 xoay c\u00e1i \u1ed1ng. Ch\u00fang ta c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c x\u01b0\u1edfng.\u201d<\/span><\/p>\n

\u201cC\u00e1ch \u0111\u00f3 c\u0169ng kh\u00f4ng t\u1ed1t. V\u1edbi nh\u1eefng \u1ed1ng d\u00e0i c\u1ee1 \u0111\u00f3 ch\u00fang ta s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u m\u1ed1i n\u1ed1i, v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng s\u1ebd kh\u00f4ng ch\u1eafc ch\u1eafn. H\u01a1n n\u1eefa ch\u00fang ta kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i d\u1ef1 \u00e1n. \u0110\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh l\u00e0 ph\u1ea3i d\u00e0i 10 m v\u00e0 \u0111\u00f3 l\u00e0 chi\u1ec1u d\u00e0i c\u1ea7n thi\u1ebft c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng.\u201d<\/span><\/p>\n

V\u00e0 nh\u00e0 ph\u00e1t minh xu\u1ea5t hi\u1ec7n.<\/span><\/p>\n

\u201cC\u00f3 m\u1ed9t m\u00e2u thu\u1eabn \u1edf \u0111\u00e2y. C\u00e1c \u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c xoay \u0111\u1ec3 h\u00e0n, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 tr\u00e1nh vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t c\u1ed7 m\u00e1y c\u1ed3ng k\u1ec1nh. Gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0: \u0111\u01b0\u1eddng \u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c xoay v\u00e0 kh\u00f4ng xoay. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 ch\u00fang ta ph\u1ea3i\u2026\u201d<\/span><\/p>\n

Ngu\u1ed3n: \u0111\u00e2y l\u00e0 Problem 63: \u201cAn ideal solution<\/span>\u201d trong s\u00e1ch c\u1ee7a Genrikh Altshuller (And suddenly the inventor appeared)<\/p>\n

B\u00e0i 23.2. B\u00e1c s\u0129 Ai-b\u00f4-l\u00edt c\u1ea7n m\u1ed9t c\u00e1i nhi\u1ec7t k\u1ebf<\/strong><\/p>\n

Nhi\u1ec7t k\u1ebf y t\u1ebf truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c ph\u00e1t minh t\u1eeb r\u1ea5t l\u00e2u. N\u00f3 bao g\u1ed3m m\u1ed9t \u0111\u0129a d\u00e0i v\u1edbi c\u00e1c v\u1ea1ch v\u00e0 s\u1ed1 \u0111\u1eb7t trong m\u1ed9t \u1ed1ng th\u00ed nghi\u1ec7m th\u1ee7y tinh. M\u1ed9t \u1ed1ng th\u1ee7y tinh nh\u1ecf h\u01a1n ch\u1ee9a\u00a0 th\u1ee7y ng\u00e2n \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi c\u00e1i \u0111\u0129a. Khi \u00e1p nhi\u1ec7t v\u00e0o, th\u1ee7y ng\u00e2n s\u1ebd n\u1edf ra v\u00e0 \u0111i l\u00ean ho\u1eb7c co l\u1ea1i v\u00e0 \u0111i xu\u1ed1ng b\u00ean trong c\u00e1i \u1ed1ng nh\u1ecf h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y l\u00e0 nhi\u1ec7t k\u1ebf c\u00f3 m\u1ed9t thi\u1ebft k\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf c\u1ee7a n\u00f3. V\u1ea5n \u0111\u1ec1 l\u00e0 r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u1ecdc v\u1ecb tr\u00ed c\u1ee7a th\u1ee7y ng\u00e2n b\u00ean trong \u1ed1ng.<\/span><\/p>\n

B\u00e1c s\u0129 Ai-b\u00f4-l\u00edt \u0111\u00e3 10 \u0111\u00eam li\u00ean t\u1ee5c kh\u00f4ng \u0103n kh\u00f4ng ng\u1ee7 \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u0103m s\u00f3c nh\u1eefng con v\u1eadt b\u1ecb b\u1ec7nh v\u00e0 \u0111o nhi\u1ec7t \u0111\u1ed9 cho ch\u00fang b\u1eb1ng nhi\u1ec7t k\u1ebf. Nh\u00ecn v\u00e0o nhi\u1ec7t k\u1ebf trong 10 ng\u00e0y li\u00ean ti\u1ebfp kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t vi\u1ec7c d\u1ec5. S\u1ebd t\u1ed1t h\u01a1n n\u1ebfu b\u00e1c s\u0129 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i nhi\u1ec7t k\u1ebf c\u00f3 c\u1ed9t th\u1ee7y ng\u00e2n d\u1ec5 nh\u00ecn h\u01a1n.<\/span><\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 t\u1edbi vi\u1ec7c l\u00e0m c\u00e1i \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n. Th\u1eadt kh\u00f4ng may l\u00e0 v\u1edbi m\u1ed9t \u1ed1ng r\u1ed9ng h\u01a1n, c\u1ed9t th\u1ee7y ng\u00e2n s\u1ebd \u0111i xu\u1ed1ng ngay khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn v\u1edbi m\u1ed9t nhi\u1ec7t k\u1ebf y t\u1ebf.<\/span><\/p>\n

H\u00e3y ngh\u0129 t\u1edbi m\u1ed9t c\u00e1i nhi\u1ec7t k\u1ebf m\u1edbi. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a nhi\u1ec7t k\u1ebf c\u0169 v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n, nh\u01b0ng c\u1ed9t th\u1ee7y ng\u00e2n c\u00f3 th\u1ec3 nh\u00ecn d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/p>\n

Ngu\u1ed3n: \u0111\u00e2y l\u00e0 Problem 69: \u201cAibolit Needs a Thermometer<\/span>\u201d trong s\u00e1ch c\u1ee7a Genrikh Altshuller (And suddenly the inventor appeared)<\/p>\n

B\u00e0i 23.3. S\u1ebd kh\u00f4ng \u0111\u1eaft l\u1eafm<\/strong><\/p>\n

Trong s\u00e1ch v\u1eadt l\u00fd 10, r\u1ea5t nhi\u1ec1u lo\u1ea1i t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u. C\u00f3 m\u1ed9t lo\u1ea1i \u0111\u01a1n gi\u1ea3n l\u00e0 hai \u0111\u0129a kim lo\u1ea1i v\u1edbi l\u1edbp c\u00e1ch \u0111i\u1ec7n l\u00e0 kh\u00f4ng kh\u00ed. Kho\u1ea3ng c\u00e1ch gi\u1eefa 2 \u0111\u0129a c\u00e0ng nh\u1ecf th\u00ec \u0111i\u1ec7n dung c\u1ee7a t\u1ee5 c\u00e0ng l\u1edbn. M\u1ed9t thi\u1ebft b\u1ecb tr\u01b0\u1eddng h\u1ecdc \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 thay \u0111\u1ed5i kho\u1ea3ng c\u00e1ch 2 \u0111\u0129a c\u1ee7a t\u1ee5 \u0111i\u1ec7n. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd con v\u00edt c\u00f3 b\u01b0\u1edbc c\u1ef1c nh\u1ecf. Tuy nhi\u00ean gi\u00e1 th\u00e0nh con v\u00edt r\u1ea5t cao. H\u1ecfi l\u00e0m sao \u0111\u1ec3 di chuy\u1ec3n \u0111\u0129a c\u1ee7a t\u1ee5 \u0111i\u1ec7n m\u00e0 chi ph\u00ed kh\u00f4ng th\u1eadt \u0111\u1eaft?<\/span><\/p>\n

Ngu\u1ed3n: \u0111\u00e2y l\u00e0 Problem 75: \u201cIt is going to be inexpensive<\/span>\u201d trong s\u00e1ch c\u1ee7a Genrikh Altshuller (And suddenly the inventor appeared)<\/p>\n

—<\/p>\n

G\u1ee3i \u00fd: \u0111\u1ec3 ti\u1ec7n ghi l\u1ea1i c\u00e1c b\u01b0\u1edbc d\u00f9ng c\u00f4ng c\u1ee5 t\u01b0 duy ki\u1ec3u TRIZ \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng template v\u0103n b\u1ea3n \u1edf\u00a0https:\/\/rosetta.vn\/triz\/template-chua-cac-buoc-giai-quyet-van-de-voi-triz\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 23.1. Xoay \u1ed1ng \u0111\u1ec3 h\u00e0n H\u00e0n b\u1eb1ng ma s\u00e1t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 n\u1ed1i 2 kim lo\u1ea1i v\u1edbi nhau. M\u1ed9t mi\u1ebfng kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh trong khi mi\u1ebfng c\u00f2n l\u1ea1i quay xung quanh n\u00f3. Kh\u00f4ng c\u00f3 g\u00ec x\u1ea3y ra khi gi\u1eefa 2 mi\u1ebfng c\u00f3 kho\u1ea3ng … Continue reading “B\u00e0i t\u1eadp th\u1ef1c h\u00e0nh gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u1edbi TRIZ – \u0111\u1ee3t 23”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[54,1],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxfGB-ab","jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/posts\/631"}],"collection":[{"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/comments?post=631"}],"version-history":[{"count":1,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/posts\/631\/revisions"}],"predecessor-version":[{"id":632,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/posts\/631\/revisions\/632"}],"wp:attachment":[{"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/media?parent=631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/categories?post=631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rosetta.vn\/triz\/wp-json\/wp\/v2\/tags?post=631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}