{"id":3534,"date":"2018-01-13T03:14:04","date_gmt":"2018-01-13T03:14:04","guid":{"rendered":"http:\/\/filewood.snu.ac.kr\/wordpress\/?page_id=3534"},"modified":"2018-03-23T10:19:20","modified_gmt":"2018-03-23T10:19:20","slug":"research_2018","status":"publish","type":"page","link":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/research_2018\/","title":{"rendered":"Research_2018"},"content":{"rendered":"
\n\ub525\ub7ec\ub2dd \uae30\ubc18 AI\ub294 \ubbf8\ub798 \uc790\uc728\uc8fc\ud589\uc790\ub3d9\ucc28\uc758 \ub300\uccb4 \ubd88\uac00\ub2a5\ud55c \ud575\uc2ec \uae30\uc220\ub85c \ubd80\uc0c1\ud558\uace0 \uc788\ub2e4. \ud558\uc9c0\ub9cc Automotive AI \uad6c\ud604\uc740 \uadf9\ub2e8\uc758 \ub3c4\uc804\uc774\ub2e4. (1) High Performance Real-Time Computing, (2) Functional Safety\ub97c \uace0\ub824\ud55c Computing, (3) Security\ub97c \uace0\ub824\ud55c Computing, (4) Low Power Computing<\/span><\/strong> \ub4f1\uc758 \ud575\uc2ec \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\uc744 \ub3d9\uc2dc\uc5d0 \ub9cc\uc871\uc2dc\ucf1c\uc57c \ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ub9ce\uc740 \uae30\uc5c5\uacfc \uc5f0\uad6c\uc2e4\ub4e4\uc774 \uc790\uc728\uc8fc\ud589\uc790\ub3d9\ucc28 \uae30\uc220 \uac1c\ubc1c\uc744 \uc9c4\ud589\ud558\uace0 \uc788\uc9c0\ub9cc, \uc774\ub7f0 \uc694\uad6c\uc0ac\ud56d\ub4e4\uc5d0 \uccb4\uacc4\uc801\uc73c\ub85c \uc811\uadfc\ud558\ub294 \uc5f0\uad6c\ub294 \ub9e4\uc6b0 \ub4dc\ubb3c\ub2e4. RTOS Lab\uc740 Automotive AI<\/span><\/strong>\ub97c \uc704\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud50c\ub7ab\ud3fc\uacfc \uc774\ub97c \uc704\ud55c \ud575\uc2ec \uc694\uc18c \uae30\uc220 \uac1c\ubc1c\uc744 \ud1b5\ud574 \uc644\uc804\ud55c \uc790\uc728\uc8fc\ud589\uc744 \uc704\ud55c \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\ub4e4\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ub9cc\uc871\uc2dc\ud0a8\ub2e4.<\/span><\/span>
\n
\n
Research Map<\/div>
\u00a0\"ResearchRTOS Lab\uc740 Automotive AI\uc5d0\uc11c \uc694\uad6c\ub418\ub294 Architectural Design Approach\ub97c \uc9c0\uc6d0\ud558\uae30 \uc704\ud55c Language-oriented Software Platform\uc744 \uac1c\ubc1c\ud55c\ub2e4. \uccab\uc9f8, \uc790\uc728\uc8fc\ud589\uc758 \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\ub4e4\uc744 \uba85\uc2dc\ud560 \uc218 \uc788\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc778 SPLAD(Stream Processing Language for Autonomous Driving)\uc744 \uc81c\uc548\ud55c\ub2e4. \ub458\uc9f8, SPLAD\ub97c \ud1b5\ud574 \uba85\uc2dc\ub41c \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\ub4e4\uc744 \ub9cc\uc871\uc2dc\ud0a4\uba70 Automotive AI \uc751\uc6a9\ub4e4\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub294 \ub7f0\ud0c0\uc784 \uc2a4\ud0dd\uc744 \uac1c\ubc1c\ud55c\ub2e4. \uc14b\uc9f8, SPLAD\ub85c \uc791\uc131\ub41c \ud504\ub85c\uadf8\ub7a8\uc758 Timing Constraints \ub9cc\uc871 \uc5ec\ubd80\ub97c \ub514\uc790\uc778 \ub2e8\uacc4\uc5d0\uc11c \ubd84\uc11d\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\ub860\uc744 \uc81c\uc548\ud558\uace0 \ubd84\uc11d \ud234\uc744 \uac1c\ubc1c\ud55c\ub2e4.<\/span><\/div><\/div>\n
\n
1. SPLAD: Stream Processing Language for Autonomous Driving<\/div>
\"SPLAD:RTOS Lab\uc740 \uc790\uc728\uc8fc\ud589 \uc54c\uace0\ub9ac\uc998\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud45c\ud604\ud558\uace0 \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\uc744 \uba85\ud655\ud558\uac8c \uae30\uc220\ud558\uae30 \uc704\ud55c \uc0c8\ub85c\uc6b4 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc778 SPLAD(Stream Processing Language for Autonomous Driving)\ub97c \uc81c\uc548\ud55c\ub2e4. SPLAD\ub294 data flow graph\ub97c \uc774\uc6a9\ud558\uc5ec \uc790\uc728\uc8fc\ud589\uc790\ub3d9\ucc28\uc758 \uc13c\uc11c \ub370\uc774\ud130 \ucc98\ub9ac \uacfc\uc815\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\ub2e4. \ub610\ud55c, SPLAD\ub294 \uc2e4\uc2dc\uac04\uc131\uc744 \ub9cc\uc871\uc2dc\ud0a4\uae30 \uc704\ud574 Timing Constraints\uc744 \uba85\uc2dc\ud560 \uc218 \uc788\uace0, \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c Exception\uc744 \uc815\uc758\ud558\uace0 \uc774\uc5d0 \ub300\ud55c \ucc98\ub9ac\ub97c \uba85\uc2dc\ud560 \uc218 \uc788\ub2e4. \ubcf8 \uc5f0\uad6c\uc2e4\uc740 SPLAD \ud504\ub85c\uadf8\ub7a8 \uac1c\ubc1c\uc744 \uc9c0\uc6d0\ud558\uae30 \uc704\ud574 GUI-based Schematic Capture Tool, Code Generation Tool \ub4f1 \ub2e4\uc591\ud55c \ub3c4\uad6c\ub97c \uac1c\ubc1c\ud55c\ub2e4.<\/span><\/div><\/div>\n
\n
2. SPLAD Runtime<\/div>
\u00a0\"SPLADRTOS Lab\uc740 SPLAD \ud504\ub85c\uadf8\ub7a8\uc744 \uc218\ud589\ud558\uae30 \uc704\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc2a4\ud0dd\uc778 SPLAD Runtime\uc744 \uac1c\ubc1c\ud55c\ub2e4. SPLAD Runtime\uc740 SPLAD \ud504\ub85c\uadf8\ub7a8 \uc0c1\uc5d0 \uba85\uc2dc\ub41c \ube44\uae30\ub2a5\uc801 \uc694\uad6c\uc0ac\ud56d\ub4e4\uc744 \ub9cc\uc871\uc2dc\ud0ac \uc218 \uc788\ub3c4\ub85d (1) Real-Time Stream Processing Framework, (2) DDS \uae30\ubc18 Real-Time Pub-Sub Communication Middleware, (3) Linux Kernel\ub85c \uad6c\uc131\ub41c\ub2e4. \ud2b9\ud788, \ubcf8 \uc5f0\uad6c\uc2e4\uc740 \uc2e4\uc2dc\uac04 \uc2a4\ud2b8\ub9bc \ud504\ub85c\uc138\uc2f1\uc744 \uc704\ud574 \uc790\uc728\uc8fc\ud589\uc790\ub3d9\ucc28\uc5d0 \ub3c4\uc785\ub418\ub294 \uc0c8\ub85c\uc6b4 \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc9c0\uc6d0\ud558\uae30 \uc704\ud574 Linux Kernel\uc744 \ucd5c\uc801\ud654\ud558\ub294 \uc5f0\uad6c\ub4e4\uc744 \ud65c\ubc1c\ud558\uac8c \uc9c4\ud589\ud558\uace0 \uc788\ub2e4. \uc774\ub7f0 \uc5f0\uad6c\uc758 \ub300\ud45c\uc801\uc778 \uc608\ub85c\ub294 CPU\uc640 GPU\uac00 \uba54\ubaa8\ub9ac\ub97c \uacf5\uc720\ud558\uace0 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uba54\ubaa8\ub9ac \uacbd\ud569\uc73c\ub85c \uc2e4\uc2dc\uac04 \ud0dc\uc2a4\ud06c\uc758 \uc9c0\uc5f0\uc774 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uc5f0\uad6c\uac00 \uc788\ub2e4.
\n<\/span><\/div><\/div>\n
\n
3. Timing Verification of SPLAD Program with RT Calculus<\/div>
\"Timing\uc790\uc728\uc8fc\ud589\uc790\ub3d9\ucc28\ub294 \uc2e4\uc2dc\uac04 \uc2dc\uc2a4\ud15c\uc774\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc804 \ubd84\uc11d\uc744 \ud1b5\ud574 Timing Constraints\uc758 \ub9cc\uc871 \uc5ec\ubd80\ub97c \uac80\uc99d\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. \uc774\ub97c \uc704\ud574 RTOS Lab\uc740 SPLAD \ud504\ub85c\uadf8\ub7a8 \uc0c1\uc5d0 \uba85\uc2dc\ub41c Timing Constraints\uc758 \ub9cc\uc871 \uc5ec\ubd80\ub97c \uccb4\ud06c\ud560 \uc218 \uc788\ub294 \ub3c4\uad6c\ub97c \uac1c\ubc1c\ud55c\ub2e4. \ucd94\uac00\ub85c \uc774 \ub3c4\uad6c\ub294 Timing Violation \ubc1c\uc0dd \uc2dc \uadf8 \uc6d0\uc778\uc744 \ubd84\uc11d\ud560 \uc218 \uc788\ub294 \uc5ec\ub7ec \ud2b9\uc131\uc744 \ub3c4\ucd9c\ud560 \uc218 \uc788\ub2e4. \uc6b0\uc120 SPLAD\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud45c\ud604\ub41c \uc54c\uace0\ub9ac\uc998\uacfc \ucc28\ub7c9\uc5d0 \ud0d1\uc7ac\ub41c \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc218\ud559\uc801\uc73c\ub85c \ubaa8\ub378\ub9c1\ud558\uc5ec Abstract Performance Model\uc744 \uad6c\ucd95\ud55c\ub2e4. \uadf8 \uc774\ud6c4 \uc0ac\uc804\uc5d0 Real-Time Calculus\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub3c4\ucd9c\ud55c \uc774\ub860\ub4e4\uc744 \uc0ac\uc6a9\ud558\uc5ec End-to-end Latency Bound, Minimum\/Maximum Rate \ub4f1\uc758 Timing Property\ub4e4\uc744 \uacc4\uc0b0\ud55c\ub2e4.
\n<\/span><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3534","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/pages\/3534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=3534"}],"version-history":[{"count":374,"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/pages\/3534\/revisions"}],"predecessor-version":[{"id":4207,"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/pages\/3534\/revisions\/4207"}],"wp:attachment":[{"href":"http:\/\/redwood.snu.ac.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=3534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}