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公开(公告)号：US10296379B2
公开(公告)日：2019-05-21
申请号：US15462683
申请日：2017-03-17
Inventor： Kang Ho Kim , Kwang Won Koh , Jin Mee Kim , Jeong Hwan Lee , Seung Hyub Jeon , Sung In Jung , Yeon Jeong Jeong , Seung Jun Cha
Abstract: Scheduling threads in a system with many cores includes generating a thread map where a connection relationship between a plurality of threads is represented by a frequency of inter-process communication (IPC) between threads, generating a core map where a connection relationship between a plurality of cores is represented by a hop between cores, and respectively allocating the plurality of threads to the plurality of cores defined by the core map, based on a thread allocation policy defining a mapping rule between the thread map and the core map.
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公开(公告)号：US20230314282A1
公开(公告)日：2023-10-05
申请号：US18193346
申请日：2023-03-30
Inventor： Munyoung LEE , Sung Jae YOON , Jung-Chan Na , Jeong Hwan Lee , Seung Hyub Jeon
CPC classification number: G01M99/005 , G05B13/0265
Abstract: In order to increase the accuracy of status or failure diagnosis of machine tools and reduce the time and costs required for data collection and algorithm development for diagnosis, sensors are mounted on specific elements of the machine tools and measurement data is collected while operating under the specific operating conditions during a time interval between one machining operation and another machining operation to perform status or failure diagnosis of the machine tools. According to the present invention, by using data collected while operating machine tools under the predefined specific conditions using a time interval between one machining operation and another machining operation, it is possible to more accurately perform diagnosis while allowing less noise to be mixed in the data and reducing the time required for data collection for the development of diagnostic algorithm.
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公开(公告)号：US09867156B2
公开(公告)日：2018-01-09
申请号：US14820551
申请日：2015-08-06
Inventor： Changhee Lee , Wooram Shin , Sung-Min Oh , Ae-Soon Park , Jeong Hwan Lee
CPC classification number: H04W56/004 , H04L27/2678 , H04W56/0095 , H04W76/14 , H04W88/04
Abstract: A method for synchronization by a D2D terminal in a D2D communication network through receiving a first D2D synchronization signal from at least one D2D synchronization source and performing synchronization according to a synchronization timing reference provided through the first D2D synchronization signal, and a method for negotiating whether to perform a role as a synchronization source with another D2D synchronization source through determining, when a D2D synchronization signal and a D2D synchronization channel are received from at least one D2D synchronization source, whether to maintain a role as the independent synchronization source based on negotiation information for negotiation between synchronization sources included in the D2D synchronization channel, and operating as a relaying synchronization source when the role as the independent synchronization source is not maintained, are provided.
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