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이창돈,이현심 한국디지털정책학회 2016 디지털융복합연구 Vol.14 No.2
This study is intended to analyze the conflict between the mother and the daughter revealed in the film, ‘Daughter’ and tries to suggest the therapeutic counseling techniques in the integrated perspective. It used a convergence in-depth psychological method. After deriving the unconscious conflicts of main characters through several film reviews, it was found that at the unconscious level true self and the false self, the ego ideal and the super ego, the individuation and the dependency are in mutual struggle. For Therapeutic counselling, the most important thing in the initial stage of the counselling is the experience of authenticity. The counsellor himself or herself should establish the right life values and stimulate the ego-ideal and strengthen the drive of true self. Also the counsellor should be aware of the dangers of the religious behavior as the transitional phenomenon. In the final stage, the counselor expects the client to continue to make efforts to change with the hope for the well-being.
차동 PWM를 이용한 유압 서어보계의 특성개선에 관한 연구
염만오,김기홍,이창돈 慶南大學校 附設 工業伎術硏究所 1993 硏究論文集 Vol.11 No.-
본 논문에서는 고속전자밸브의 특성을 파악하였고, 고속전자밸브를 단순펄스폭변조 제어로서 유량을 조절하여 유압실린더의 위치제어를 실시하였다. 이때 발생된 정상상태오차를 감소시키고 정착시간의 개선을 위해 변조율에 대한 데드타임 보상 및 차동 펄스폭변조방식을 적용하여 실험한 결과 제어특성이 개선됨을 알수 있었다. This study deals with a hydraulic actuacting system operated by 2-port 3-way high speed solenoid valve in pulse width modulation mode. First, we investigate the characteristics of high speed solenoid valve, when we experiment position control of the hydraulic cylinder using the simple PWM driving method, there are practical problems to be solved. As a method of improving system performance, the differential PWM driving method of hydraulic cylinder that improved the steady state error and settling time in simple PWM and the hydraulic hunting phenomena in deadtime compensated PWM is proposed in this study.