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- 저자 : 이서경(Seokyung Lee) (검색결과 2 건)
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김병국(Byungkook Kim),이서경(Seokyung Lee),정재일(Jaeil Jung) 한국자동차공학회 2006 한국자동차공학회 Symposium Vol.- No.-
Due to the increase of electronic control system and a variety of function improvement in vehicle, the need for safety, reliability, and convenience became an outstanding issue. Therefore, the CAN protocol has become the primary choice of protocol for real time communication sub-system within automotive electronics applications. This is despite the fact that CAN, according to many options, is unsuitable for distributed real-time applications with hard real-time requirements due to the protocol’s bus contention, non-preemptive property. In this paper, RT(Real-Time) CAN based CAN is proposed considering critical messages in CAN. We define function of Master node and describe a method of RTCAN implementation. Finally, RTCAN are simulated by CANoe.
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주의력결핍-과잉운동장애의 비중추신경흥분제 치료의 최신지견
반건호,손소정,이서경,강원섭,조아랑,박진경 경희대학교 2006 慶熙醫學 Vol.22 No.1
Methylphenidate (MPH), amphetamine, and pemoline are cerebrostimulants that have been commonly prescribed for more than half century in the treatment of attention-deficit/hyperactivity disorder (ADHD). The use of such drugs, however, is often followed by untoward effects such as loss of appetite, insomnia, nausea, abdominal pain, vomiting, irritability, and etc. There are also debates about decrements in height and weight percentiles and drug dependency. Thus, in this study, we discussed new therapeutic drugs, non cerebro-stimulants, with possibly less adverse effects and more efficacies. Atomoxetine, highly selective inhibitor of the presynaptic noradrenaline transporter with little or no affinity for other neurotransmitter transporters and receptors, is a non-excitatory drug with a strong possibility to replace CNS excitatory drugs. It is also safer in relation to drug dependency since it does not affect nucleus accumbens or the striatum. Atomoxetine, therefore, can be used in patients who do not respond to the CNS excitatory drugs. Tricyclic antidepressants, imipramine and desipramine are also most extensively studied drugs as ADHD treatment modalities. They also exert inhibitory effect on the reuptake of norepinephrine. The use of these drugs in children, however, is limited because of cardiovascular effects. Bupropion is one of promising drugs in treating prepubertal children with ADHD. It is also useful for comorbid depression and conduct problems. Increasing attention is being given to a narcolepsy drug, modafinil. Modafinil acts on histamine pathway resulting in wakefulness. This effect is similar to that of neuropeptide orexin. Since the effect of modafinil is independent of catecholamine, drug dependency adverse effect is not expected. Recently, some new drugs, such as reboxetine, are reported as safe and efficacious for children with ADHD, but they need long-term safety and controlled studies.
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