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AI to Determine When to Intervene with Your Driving
(Professor Uichin Lee (left) and PhD candidate Auk Kim) Can your AI agent judge when to talk to you while you are driving? According to a KAIST research team, their in-vehicle conservation service technology will judge when it is appropriate to contact you to ensure your safety. Professor Uichin Lee from the Department of Industrial and Systems Engineering at KAIST and his research team have developed AI technology that automatically detects safe moments for AI agents to provide conversation services to drivers. Their research focuses on solving the potential problems of distraction created by in-vehicle conversation services. If an AI agent talks to a driver at an inopportune moment, such as while making a turn, a car accident will be more likely to occur. In-vehicle conversation services need to be convenient as well as safe. However, the cognitive burden of multitasking negatively influences the quality of the service. Users tend to be more distracted during certain traffic conditions. To address this long-standing challenge of the in-vehicle conversation services, the team introduced a composite cognitive model that considers both safe driving and auditory-verbal service performance and used a machine-learning model for all collected data. The combination of these individual measures is able to determine the appropriate moments for conversation and most appropriate types of conversational services. For instance, in the case of delivering simple-context information, such as a weather forecast, driver safety alone would be the most appropriate consideration. Meanwhile, when delivering information that requires a driver response, such as a “Yes” or “No,” the combination of driver safety and auditory-verbal performance should be considered. The research team developed a prototype of an in-vehicle conversation service based on a navigation app that can be used in real driving environments. The app was also connected to the vehicle to collect in-vehicle OBD-II/CAN data, such as the steering wheel angle and brake pedal position, and mobility and environmental data such as the distance between successive cars and traffic flow. Using pseudo-conversation services, the research team collected a real-world driving dataset consisting of 1,388 interactions and sensor data from 29 drivers who interacted with AI conversational agents. Machine learning analysis based on the dataset demonstrated that the opportune moments for driver interruption could be correctly inferred with 87% accuracy. The safety enhancement technology developed by the team is expected to minimize driver distractions caused by in-vehicle conversation services. This technology can be directly applied to current in-vehicle systems that provide conversation services. It can also be extended and applied to the real-time detection of driver distraction problems caused by the use of a smartphone while driving. Professor Lee said, “In the near future, cars will proactively deliver various in-vehicle conversation services. This technology will certainly help vehicles interact with their drivers safely as it can fairly accurately determine when to provide conversation services using only basic sensor data generated by cars.” The researchers presented their findings at the ACM International Joint Conference on Pervasive and Ubiquitous Computing (Ubicomp’19) in London, UK. This research was supported in part by Hyundai NGV and by the Next-Generation Information Computing Development Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT. (Figure: Visual description of safe enhancement technology for in-vehicle conversation services)
2019.11.13
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Mathematical Modeling Makes a Breakthrough for a New CRSD Medication
PhD Candidate Dae Wook Kim (Left) and Professor Jae Kyoung Kim (Right) - Systems approach reveals photosensitivity and PER2 level as determinants of clock-modulator efficacy - Mathematicians’ new modeling has identified major sources of interspecies and inter-individual variations in the clinical efficacy of a clock-modulating drug: photosensitivity and PER2 level. This enabled precision medicine for circadian disruption. A KAIST mathematics research team led by Professor Jae Kyoung Kim, in collaboration with Pfizer, applied a combination of mathematical modeling and simulation tools for circadian rhythms sleep disorders (CRSDs) to analyze the animal data generated by Pfizer. This study was reported in Molecular Systems Biology as the cover article on July 8. Pharmaceutical companies have conducted extensive studies on animals to determine the candidacy of this new medication. However, the results of animal testing do not always translate to the same effects in human trials. Furthermore, even between humans, efficacy differs across individuals depending on an individual’s genetic and environmental factors, which require different treatment strategies. To overcome these obstacles, KAIST mathematicians and their collaborators developed adaptive chronotherapeutics to identify precise dosing regimens that could restore normal circadian phase under different conditions. A circadian rhythm is a 24-hour cycle in the physiological processes of living creatures, including humans. A biological clock in the hypothalamic suprachiasmatic nucleus in the human brain sets the time for various human behaviors such as sleep. A disruption of the endogenous timekeeping system caused by changes in one’s life pattern leads to advanced or delayed sleep-wake cycle phase and a desynchronization between sleep-wake rhythms, resulting in CRSDs. To restore the normal timing of sleep, timing of the circadian clock could be adjusted pharmacologically. Pfizer identified PF-670462, which can adjust the timing of circadian clock by inhibiting the core clock kinase of the circadian clock (CK1d/e). However, the efficacy of PF-670462 significantly differs between nocturnal mice and diurnal monkeys, whose sleeping times are opposite. The research team discovered the source of such interspecies variations in drug response by performing thousands of virtual experiments using a mathematical model, which describes biochemical interactions among clock molecules and PF-670462. The result suggests that the effect of PF-670462 is reduced by light exposure in diurnal primates more than in nocturnal mice. This indicates that the strong counteracting effect of light must be considered in order to effectively regulate the circadian clock of diurnal humans using PF-670462. Furthermore, the team also found the source of inter-patients variations in drug efficacy using virtual patients whose circadian clocks were disrupted due to various mutations. The degree of perturbation in the endogenous level of the core clock molecule PER2 affects the efficacy. This explains why the clinical outcomes of clock-modulating drugs are highly variable and certain subtypes are unresponsive to treatment. Furthermore, this points out the limitations of current treatment strategies tailored to only the patient’s sleep and wake time but not to the molecular cause of sleep disorders. PhD candidate Dae Wook Kim, who is the first author, said that this motivates the team to develop an adaptive chronotherapy, which identifies a personalized optimal dosing time of day by tracking the sleep-wake up time of patients via a wearable device and allows for a precision medicine approach for CRSDs. Professor Jae Kyoung Kim said, "As a mathematician, I am excited to help enable the advancement of a new drug candidate, which can improve the lives of so many patients. I hope this result promotes more collaborations in this translational research.” This research was supported by a Pfizer grant to KAIST (G01160179), the Human Frontiers Science Program Organization (RGY0063/2017), and a National Research Foundation (NRF) of Korea Grant (NRF-2016 RICIB 3008468 and NRF-2017-Fostering Core Leaders of the Future Basic Science Program/ Global Ph.D. Fellowship Program). Figure 1. Interspecies and Inter-patients Variations in PF-670462 Efficacy Figure 2. Journal Cover Page Publication: Dae Wook Kim, Cheng Chang, Xian Chen, Angela C Doran, Francois Gaudreault, Travis Wager, George J DeMarco, and Jae Kyoung Kim. 2019. Systems approach reveals photosensitivity and PER2 level as determinants of clock-modulator efficacy. Molecular Systems Biology. EMBO Press, Heidelberg, Germany, Vol. 15, Issue No. 7, Article, 16 pages. https://doi.org/10.15252/msb.20198838 Profile: Prof. Jae Kyoung Kim, PhD jaekkim@kaist.ac.kr http://mathsci.kaist.ac.kr/~jaekkim Associate Professor Department of Mathematical Sciences Korea Advanced Institute of Science and Technology (KAIST) http://kaist.ac.kr Daejeon 34141, Korea Profile: Dae Wook Kim, PhD Candidate 0308kdo@kaist.ac.kr http://mathsci.kaist.ac.kr/~jaekkim PhD Candidate Department of Mathematical Sciences Korea Advanced Institute of Science and Technology (KAIST) http://kaist.ac.kr Daejeon 34141, Korea Profile: Dr. Cheng Chang, PhD cheng.chang@pfizer.com Associate Director of Clinical Pharmacology Clinical Pharmacology, Global Product Development Pfizer https://www.pfizer.com/ Groton 06340, USA (END)
2019.07.09
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KAIST Welcomes Global Participants to AI World Cup 2018
KAIST will host the AI (Artificial Intelligence) World Cup 2018 in August, and this time it is open to the international community. AI World Cup 2018 will be a very exciting challenge for extending the limit of academic and industrial applications based on AI technology. KAIST, after launching its AI World Cup 2017 for domestic participants, is now hosting the AI World Cup 2018 for everyone. The AI World Cup will be comprised of three events: 1) Five on five AI Soccer 2) AI Commentator and 3) AI Reporter. Winner of each category, runner-up of AI Soccer, and 2nd runner-up of AI Soccer will receive awards with cash prizes. For AI Soccer in which AI controlled robots team up to compete, the preliminary rounds will be held in July in a league format, and the final rounds will be played on August 20-22. For AI Commentator and AI Reporter, eight finalists will be selected for each category based on scoring criteria, and their performance will be evaluated by the judges to select the winner from each category on August 22. During the final rounds, a variety of events will also take place at KAIST, including tutorial sessions on AI technology, a poster session where students present their research works on AI, not necessarily limited to the scope of AI Soccer, AI Commentator, and AI Reporter, and panel discussions by prominent experts in the field of AI. Moreover, renowned experts on AI will deliver their keynote addresses. The Cyberbotics CEO Olivier Michel will address his keynote speech on the topic ‘Simulation benchmarks and competitions: a fundamental tool to foster robotics research.’ The AI World Cup was established by the College of Engineering at KAIST to show that AI technology can be further extended to sports, soccer in particular. Professor Jong-Hwan Kim, the inventor of AI World Cup and chairman of the organizing committee said, “I hope that this event will offer a great chance to develop AI technology for use in the coming years. I wish many people can enjoy the AI World Cup 2018. I would recommend that prospective teams not worry about the technical barrier when deciding whether to participate in the games. Participants from academia and industry can test whether their code runs well in the competition simulator; this way, they will know their level of play and perhaps they can further develop their algorithms.” “We will also broadcast the final round of AI Soccer online so that people in remote areas can also enjoy watching the games. I am looking forward to seeing all of you at the AI World Cup. Any participant with a passion to prove excellence in AI technology is welcomed with open arms,” he added. Anyone interested in the AI World Cup 2018 can register online via aiworldcup.org . Registration starts from April 1. The deadline for registration and final code submission is June 30. (Cubical players in the figure for domestic AI Soccer competition have been replaced with cylindrical players for more agile movements while playing) (Opening ceremony of AI World Cup 2017) (Trophy and prize) (Interview of participant) (Casters commentating on game playing)
2018.03.30
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A Glance at the 2017 KAIST Literary Awards Ceremony
Since KAIST is a university specializing in science and engineering, people may think that the students rarely engage in literary activities. But KAIST students also excel in writing literature. The 23rd KAIST Literary Award Ceremony was held on December 14 on the KAIST main campus. The award was established in 1995 to encourage students’ creative activities and to promote literary attainment. It is open to all KAIST students from undergraduate to masters and PhD students. This year, 43 students submitted a total of 68 literary works in the genres of poetry, novel, critique, and scenario. KAIST professors Dong Ju Kim, Bong Gwan Jun, and Yunjeong Jo from the School of Humanities & Social Sciences participated as judges for the awards and they were joined by writers from the 8th Endless Road Program who served as invited judges for the novels and scenarios. The Endless Road Program is a KAIST project for supporting artists who are engaged in literary works including scenarios, novels, webtoons, and movies by providing residences and funds. Novelists Jin Young Choi and Hak Chan Kim participated as judges for the novels and a drama scriptwriter, Joo Kim, as a judge of the scenarios. After thorough evaluation, four submissions were chosen as awardees. Section Award Name Poetry Winner Sung Gil Moon (PhD candidate from the College of Business) Runner-up Jong Ik Jeon (Undergraduate student) Novel Winner Joo Hwan Kim (Undergraduate from the Dept. of Chemical and Biomolecular Engineering) Runner-up - Essay & Critique Winner - Runner-up Jung Joon Park (PhD candidate from the Dept. of Bio and Brain Engineering) Scenario Winner - Runner-up - The literary works as well as a review of the awards will be published in the KAIST Times in 2018.
2017.12.15
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KAIST Partners with Technion and Hyundai Motors for Future Mobility Technology Development
(KAIST Associate Vice President of Research Joung-Ho Kim(third from left) poses with Technion President Pereta Lavie and CTO Tae Won Im of Hyundai Motors) KAIST has partnered with the Israel Institute of Technology, Technion, and Hyundai Motors to take the lead in the field of future mobility technologies. The three parties signed a consortium of global alliance for future mobility partnership at Technion on Sept. 5. KAIST Associate Vice President of Research Kim Joung-Ho, Hyundai Motor’s Central Advanced Research and Engineering CTO Tae Won Lim, and Technion President Peretz Lavie signed the MOU. The three parties agreed to conduct joint research on hi-tech mobility areas including self-driving systems, cyber security, and AI in mobility. With the signing of the consortium, KAIST's technology in AI, semiconductors, and autonomous cars will produce synergy with Technion’s connected car solutions, advancing Hyundai Motor's competitiveness in the future mobility market. In addition to the consortium, the three parties will set-up a startup consulting committee, which will provide consulting services for nurturing venture startups with creative ideas and outstanding technological prowess in their host countries.
2017.09.07
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FinTech Conference by KAIST, EDHEC-Risk Institute, Princeton, and Tsinghua
KAIST will partner with EDHEC-Risk Institute, Princeton University, and Tsinghua University to host a series of annual rotation conference on FinTech. The inaugural conference will be held in Princeton on April 26 and is entitled ‘Four-University Rotating FinTech Conference: Wealth Management Systems for Individual Investors.’ The conference will facilitate discussion among all interest parties of academics, practitioners, and regulators from around the world. Professor Woo Chang Kim of the Department of Industrial & Systems Engineering will represent KAIST. Professor Kim is also the head of the Center for Wealth Management Technologies at KAIST. In addition to Professor Kim, leading experts from the US, Asia, and Europe will present at the conference, including Andrew Yao (Turing Award recipient and founder of IIIS FinTech Center at Tsinghua University), John Bogle (founder of the Vanguard Group, and president of the Bogle Financial Markets Research Center), Lionel Martellini (director of EDHEC-Risk Institute), John Mashey (Bell Labs/Silicon Valley computer scientist/corporate executive), and John Mulvey (professor and founding member of the Bendheim Center for Finance at Princeton University). This year’s conference will feature following sessions: · Mass-Customization of Goal-Based Investment Solutions: The New Frontier in Digital Wealth Management Services · Goal-Based Investment via Multi-Stage Stochastic Goal Programming for Robo-Advisor Services · Big Data – Yesterday, Today and Tomorrow · Applying Machine Learning Concepts for Asset Allocation and ALM · FinTech: Drawing Strengths from Computing Theories · Savings and Investing to Achieve Retirement Goals: An Update Given Current Market Assumptions · The Rise of Robo-Advisors: A Threat or an Opportunity for the Wealth Management Industry? The conference will include the participation of official partner Samsung Asset Management.
2017.04.20
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ANSYS Korea Donates Engineering Simulation Software
ANSYS Korea made an in-kind donation of engineering simulation software, Multiphysics Campus Solution, to KAIST on March 24. ANSYS Korea donated 10,000 copies for education and 1,000 copies for research valued at about 4 billion KRW (about 200 billion KRW commercially). The ANSYS software will benefit the engineering simulation work in nine departments and 60 labs for three years, including the departments of mechanical engineering, aerospace engineering, electrical engineering, civil and environmental engineering, nuclear and quantum engineering, chemical and bimolecular engineering, bio and brain engineering, materials science and engineering, and the Cho Chun Shik Graduate School of Green Transportation. ANSYS is a global engineering simulation company. It provides ANSYS CAE (Computer Aided Engineering) software products in various industries in the world as well as various support, training, and consulting services. Deemed an exemplary model of university-industry R&D collaboration especially in the Industry 4.0 era, their donation will help create the best engineering education environment possible at KAIST. ANSYS's multi-physics campus solution is a comprehensive software suite that spans the entire range of physics, providing access to virtually any field of engineering simulation that a design process requires. It expands the fields of fluids, structures, electromagnetics, and semiconductors. Undergraduates use it to learn physics principles and gain hands-on, real-world experience that can lead to a deeper understanding of engineering concepts. Postgraduate researchers apply simulation tools to solve complex engineering problems and produce data for their theses. "Engineering simulations are playing a stronger role in science and engineering. ANSYS software will help our undergraduates and our researchers learn the principles of physics and deepen their understanding of engineering concepts. We hope this will serve as an instrumental tool for multidisciplinary studies, critical to fostering our students," said President Sung-Chul Shin. ANSYS Korea CEO Yong-Won Cho added, "We sincerely hope our software will help KAIST students and researchers experience the best engineering education and achieve significant research results." (Photo caption: President Shin (left) poses with ANSYS Korea CEO Yong-Won Cho at the donation ceremony on March 24 at KAIST)
2017.03.24
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KAIST's Patina Engraving System Awarded at ACM CHI
Professor Tek-Jin Nam’s research team of the Industrial Design Department of KAIST received the Best Paper Award in the 2015 Association for Computing Machinery’s (ACM) Conference on Human Factors in Computing Systems (CHI) which was held from April 18 to 23, 2015. The team consisted of two KAIST students: Moon-Hwan Lee, a Ph.D. candidate, and Sejin Cha, a master's student. The team was the first in Asia to receive the award. The ACM CHI represents the premier conference in the field of Human-Computer Interaction (HCI). This year’s event, held in Seoul, South Korea, was the first conference that the ACM had held in Asia in its thirty-three year history. The KAIST team’s paper, entitled “Patina Engraver: Visualizing Activity Logs as Patina in Fashionable Trackers,” ranked in the top 1% of 2,000 submitted papers. The team developed Patina Engraver, an activity tracker, which monitors and tracks fitness-related metrics such as distances walked or run, calorie consumption, heartbeat, sleep quality, and blood pressure. The device wirelessly connects to a computer or smartphone so that it can store and utilize long-term tracking data. However, what makes Patina Engraver, a smart wristband, different from other health trackers is its ability to display different design patterns based on users’ activity on the surface of the wristband. The research team was inspired to build this system from the fact that wearable electronics including activity trackers can be used not only as health care devices, but also as fashion items to express emotions and personalities. Equipped with an engraving feature, the charging pad or holder for Patina Engraver draws individualized patterns to reflect the user’s activities, such as walking or running, while the device is being charged. The pattern display syncs with the frequency of usage, therefore, the more the tracker is used, the greater the number of patterns will show up. According to the team, since Patina Engraver provides users with a personalized illustration of their activity on the tracker, users are more motivated to put on the tracker and exercise. Professor Nam said, “This research can be applied in producing other wearable devices to enhance users’ emotional satisfaction. When wearable technology is combined with design and emotion, the industry market will quickly expand.” Figure 1: Patina engraving system developed by KAIST research team Figure 2: The process of engraving illustrations of the activity records onto the tracker Figure 3: Personalized activity trackers based on activity records
2015.05.15
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KAIST Hosts a Symposium on IPR
KAIST’s Graduate School of Future Strategy (http://futures.kaist.ac.kr) hosted a symposium entitled “Future Strategies to Grow Korea as the Hub for the World’s Intellectual Property Rights (IPRs)” under the theme of “Patent Laws and a Revised Bill for the Code of Civil Procedures” in the National Assembly’s Memorial Hall on April 9, 2015. Experts who attended the symposium included Professor James Dator, Director of the Hawaii Research Center for Futures Studies, Sang-Wook Han, a lawyer and Vice President of Korea Intellectual Property Protection Association (KIPRA), and Min Seo, a former Chairman of Civil Law Revision Commission of the Ministry of Justice, Korea. The event consisted of special lectures, patent law presentations, a revised bill for the code of civil procedures in patent law, and a general discussion forum. Professor Dator, the keynote speaker, addressed the future of intellectual property. San-Wook Han (KIPRA) talked about new and effective changes in Korean patent law such as the compensation against IPR violations and the reduction of legal burden of proof in IPR disputes. Min Seo from the Ministry of Justice moderated a panel of eight members, which offered an in-depth discussion on the revised bill. A ceremony for “The Third Future Strategy Award” was also held at the symposium. Yeon-Soo Park, former Administrator of the National Emergency Management Agency, received the award for his work on the Northeast Asian International Business Center City Project which enabled the construction of Incheon International Airport and Songdo International City.
2015.04.09
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Qualcomm Innovation Award Recognizes 20 KAIST Students
The award provides research fellowships, worth of USD 100,000, to 20 KAIST graduate students With an audience of 100 people present, KAIST held a ceremony for the Qualcomm Innovation Award 2015 at the Information Technology Convergence building on campus on March 12, 2015. The Qualcomm Innovation Award, established in 2010, is a fellowship that supports innovative science and engineering master’s and doctoral students at KAIST. Qualcomm donated USD 100,000 to KAIST, stipulating that it be used to foster a creative research environment for graduate students. To select the recipients, KAIST formed an award committee chaired by Professor Soo-Young Lee of the Department of Electrical Engineering and accepted research proposals until late January. The award committee first selected 37 proposals from 75 papers submitted and then chose the final 20 research proposals on March 12, 2015 after presentation evaluations. The presentations had to show promise of innovation and creativity; prospective influence on wireless communications and mobile industry; and the prospect of being implemented. Each recipient received a USD 4,500 research fellowship along with an opportunity to present their research findings at a workshop where Qualcomm engineers and other distinguished individuals of the industry will attend. Previously, Qualcomm has donated research fellowships to KAIST graduate students in 2011 and 2013.
2015.03.19
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Professor Eunjoon Kim Is KAIST's Person of the Year 2014
KAIST announced that it has named Chair Professor Eunjoon Kim of the Department of Biological Sciences as its “Person of the Year 2014.” The award ceremony took place at the auditorium on campus on January 5, 2014. Established in 2001, the award has been presented to a KAIST faculty member who has made great achievements in research and education, thereby contributing to the advancement of KAIST. Professor Kim was the first to identify the mechanism of synapse formation between neurons during his post-doctoral program at Harvard Medical School in 1995. The research was published in Nature. In 2011, Professor Kim discovered that the lack of protein GIT1, a neuronal synapse in the brain, caused ADHD (Attention Deficit Hyperactivity Disorder). He is widely recognized for his work concerning synapse proteins and brain disease related research that set the foundation for future medical developments. In his award speech, Professor Kim said, “Whenever a research finding concerning a new drug therapy or research is published, I receive many inquiries from the parents of children with ADHD or autism. As a scientist, I would like to focus my research ultimately to help those in pain, rather than just pursuing research excellence or reputation.”
2015.01.06
View 9735
KAIST wins second place in unmanned boat competition
KAIST took second place in an international competition to promote technologies of the autonomous underwater vehicle (AUV). Professor Jin-hwan Kim’s research team from KAIST’s Ocean Systems Engineering Department won the second place in Maritime RobotX Challenge which took place for the first time from October 20 - 26 in Marina Bay, Singapore. Along with automobiles and drones, the necessity for unmanned boats has grown. To encourage and examine the development of these technologies, the U.S. Office of Naval Research decided to organize an unmanned boat competition which took place for the first time this year. After three teams were selected from a domestic competition in each countries, a total of fifteen teams from five countries from the Pacific Rim including Korea, the United States, Australia, Japan, and Singapore competed. Teams from such universities as MIT, Tokyo University, Tokyo Institute of Technology, National University of Singapore, Nanyang Technological University, and Queensland University of Technology participated. In addition to KAIST, Seoul National University and Ulsan University participated. Using a 4.5 meters long and 2.5 meters wide unmanned boat provided by the organizer, each team had to implement an integrated system that combined a propulsion system, hardware, and autonomous software. Each team’s vessel had to perform tasks without manual control, employing autonomous driving through recognition of the course, searching underwater for acoustic sources, automatically approaching piers, remote observation of buoy, and avoidance and detection of obstacles. Although KAIST outpaced MIT in the semifinal which selected six out of fifteen teams, it won the second place in the final. As well as winning second prize, KAIST also won best website prize and a special prize from the competition sponsor, Northrop Grumman Corporation, an American defense technology company, totaling 16,500 U.S. dollars of prize money. The Vice President for Planning and Budget, Professor Seungbin Park said, “It was a great opportunity to showcase the advanced unmanned robot technology of Korea.” He added that “this raised KAIST’s reputation as a global research oriented university.” Professor Kim commented, “Along with automobiles and drones, the necessity for the development of unmanned ocean vehicles such as unmanned boats and submarines are recognized these days.” He added that “the use of unmanned boats will make the process of channel investigation, ocean exploration, surveillance over water territories safer and more effective.” Professor Kim’s team was sponsored by the U.S. Office of Naval Research, Samsung Heavy Industries, Sonar Tech, Daeyang Electric, and Red-one Technology. KAIST Team's Unmanned Boat The Competition's Missions
2014.12.12
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