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공조 AUTO 사용성 개선을 위한 운전자 맞춤형 학습 제어기 개발
이정훈(Jeonghoon Lee),신기영(Kiyoung Shin),김중재(Joongjae Kim),권동호(Dongho Kwon),이성제(Sungje Lee),황동우(Dongwoo Hwang) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
An ‘auto’ mode on conventional FATC system provides climate control automatically based on the map which is preset. The values preset on the map are setting temperature, ambient temperature, in-car temperature, sun-road, evaporator temperature, coolant temperature, and etc. Those various values are regarded as inputs to calculate Td; thermal index. Calculated Td determines output values for discharging air temperature, Mode selection, AC on/off, blower steps, or compressor capacity to control internal cabin climate environment. The output values; however, does not always guarantee to satisfy every passengers’ climate comfort in cabin. Therefore, customized or passenger climate preference reflection on FATC are needed to provide better climate comfort to passenger in cabin area. To reflect a user climate preference into FATC, machine learning algorithm has been incorporated into FATC logic. Its machine learning algorithm is based on frequency of climate operation setting and lasting time. It is suitable for vehicle climate control because of no need for high performance CPU and heavy memory compared with deep learning and others. This is demonstrated in a bench test and vehicle experiments.
냉온처치가 20대 만성요통환자의 고유수용성감각과 근활성도에 미치는 영향
우보영 ( Bo-young Woo ),김민지 ( Min-ji Kim ),김효정 ( Hyo-jeong Kim ),박진옥 ( Jin-ok Park ),박찬규 ( Chan-kyu Park ),이찬호 ( Chan-ho Lee ),정소희 ( So-hee Jeong ),황동우 ( Dong-woo Hwang ),손호희 ( Ho-hee Son ) 대한신경치료학회 2018 신경치료 Vol.22 No.2
Purpose The Purpose of this study was to investigate the effects of cold and hot intervention on proprioceptio and nmuscle activity in low back pain patients. Methods The intervention was applied to the lumbar joint for 15 minutes and repositioning test was inspected at 30° and 60° trunk flexion to measure the proprioception. In addition, muscle activity was measured at 30° with EMG. All measurements and tests were implemented before and after the intervention. Results The results showed that repositioning error was significant only in the 30° trunk flexion posture of the hot intervention group. In the case of muscle activity, the muscle activity increased in the hot intervention group and the muscle activity decreased in the cold intervention group. Conclusion In this study cold and hot intervention did not affect the proprioception. In the case of cold intervention, the muscle activity was decreased, but the joint may become stiff and there is a risk of injury. In the case of hot intervention, the muscle activity is increased. But according to the preceding articles, after the long-term hot intervention, the decrease in muscle activity can be predictable. This may be helpful in decreasing the muscle activity of back pain patients who have more muscle activity than normal people due to the presence of maladaptive muscleguarding to protect the spine.