http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
( Roman Maciej Kalina ),( Kazimierz Witkowski ),( Wojciech B. Cieslinski ) 국제태권도학회 2017 International Symposium for Taekwondo Studies Vol.2017 No.-
A common factor of all combat sports is that there is an impact on the opponent’s body in order to document one’s advantage or to defeat the opponent before the lapse of time specified in the rules. The likelihood of injuries, permanent disability and even death is greater than in many other sports. The goal of this paper is to provide argumentation based on scientific facts and elementary logic which defines the possibilities and limits of using innovative technology in combat sport training. In some scientific circles, there is a strong temptation to implement new, up-to-date technologies in as many diverse human activities as possible, such as intellectual, motor, or artistic technologies. In numerous circles, practitioners (i.e., athletes, artists, medical doctor, etc.) are excessively attached to tradition of certain activities which in fact slows the progress down (e.g., health prevention or injury prevention). However, in another perspective, these activities protect scientists against intellectual embarrassment (e.g., education, training, and interdisciplinary evaluation). Yet, being modern does not necessarily mean being rational and effective in a broad sense. As long as virtual reality technology opens up a comprehensive perspective of the simulations of how to avoid collisions with moving objects (e.g., strikes in Taekwondo, punches in boxing, and objects thrown), in other words a preventive purpose, augmented reality technology applied while teaching techniques typical for particular combat sports like Taekwondo and Judo-even when limited to a vertical posture-will remain a technological novelty for a long time. Experience, intuition, ability to select individual methodological paths, adequate intervention at the right moment of training, and mutual understanding between the master and trainee of combat sports cannot be converted into “intelligent” computer programs.
New Records of the Diatom Species (Bacillariophyta) from the Seaweed and Tidal Flats in Korea
김병석,김소연,박종규,Andrzej Witkowski 한국환경생물학회 2017 환경생물 : 환경생물학회지 Vol.35 No.4
This research was conducted to find the indigenous diatom species unrecorded in Korea from February to December 2016. The samples were taken at 28 sites of the coastal regions on the west coast of Korea and Jeju Island. Diatoms were collected mostly from sand and mud of tidal flats, including gravel, seaweed on the bottom and macrophytes floating in the seawater. Diatom specimens were observed by means of light and scanning electron microscopy. Twenty one species were discovered and added as new specimens to the Korean diatom flora, which are divided into 9 orders, 12 families, and 16 genera. The list and photographs of the species are included with the description of the morphological characteristics and distribution in Korea.
A Modified Multiple Depth First Search Algorithm for Grid Mapping Using Mini-Robots Khepera
El-Ghoul, Sally,Hussein, Ashraf S.,Wahab, M. S. Abdel,Witkowski, U.,Ruckert, U. Korean Institute of Information Scientists and Eng 2008 Journal of Computing Science and Engineering Vol.2 No.4
This paper presents a Modified Multiple Depth First Search algorithm for the exploration of the indoor environments occupied with obstacles in random distribution. The proposed algorithm was designed and implemented to employ one or a team of Khepera II mini robots for the exploration process. In case of multi-robots, the BlueCore2 External Bluetooth module was used to establish wireless networks with one master robot and one up to three slaves. Messages are sent and received via the module's Universal Asynchronous Receiver/Transmitter (UART) interface. Real exploration experiments were performed using locally developed teleworkbench with various autonomy features. In addition, computer simulation tool was also developed to simulate the exploration experiments with one master robot and one up to ten slaves. Computer simulations were in good agreement with the real experiments for the considered cases of one to one up to three networks. Results of the MMDFS for single robot exhibited 46% reduction in the needed number of steps for exploring environments with obstacles in comparison with other algorithms, namely the Ants algorithm and the original MDFS algorithm. This reduction reaches 71% whenever exploring open areas. Finally, results performed using multi-robots exhibited more reduction in the needed number of exploration steps.
A Modified Multiple Depth First Search Algorithm for Grid Mapping Using Mini-Robots Khepera
Sally El-Ghoul,Ashraf S. Hussein,M. S. Abdel Wahab,U. Witkowski,U. Ruckert 한국정보과학회 2008 Journal of Computing Science and Engineering Vol.2 No.4
This paper presents a Modified Multiple Depth First Search algorithm for the exploration of the indoor environments occupied with obstacles in random distribution. The proposed algorithm was designed and implemented to employ one or a team of Khepera II mini robots for the exploration process. In case of multi-robots, the BlueCore2 External Bluetooth module was used to establish wireless networks with one master robot and one up to three slaves. Messages are sent and received via the module’s Universal Asynchronous Receiver/Transmitter (UART) interface. Real exploration experiments were performed using locally developed teleworkbench with various autonomy features. In addition, computer simulation tool was also developed to simulate the exploration experiments with one master robot and one up to ten slaves. Computer simulations were in good agreement with the real experiments for the considered cases of one to one up to three networks. Results of the MMDFS for single robot exhibited 46% reduction in the needed number of steps for exploring environments with obstacles in comparison with other algorithms, namely the Ants algorithm and the original MDFS algorithm. This reduction reaches 71% whenever exploring open areas. Finally, results performed using multi-robots exhibited more reduction in the needed number of exploration steps.
New Records of the Diatom Species (Bacillariophyta) from the Seaweed and Tidal Flats in Korea
Kim, Byoung Seok,Kim, So Yeon,Park, Jong-Gyu,Witkowski, Andrzej Korean Society of Environmental Biology 2017 환경생물 : 환경생물학회지 Vol.35 No.4
This research was conducted to find the indigenous diatom species unrecorded in Korea from February to December 2016. The samples were taken at 28 sites of the coastal regions on the west coast of Korea and Jeju Island. Diatoms were collected mostly from sand and mud of tidal flats, including gravel, seaweed on the bottom and macrophytes floating in the seawater. Diatom specimens were observed by means of light and scanning electron microscopy. Twenty one species were discovered and added as new specimens to the Korean diatom flora, which are divided into 9 orders, 12 families, and 16 genera. The list and photographs of the species are included with the description of the morphological characteristics and distribution in Korea.