http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
스프링 예압을 받는 회전 조인트를 이용한 승용차 시트 평가용 인간형 더미의 구조와 자세 모니터링 시스템
이민용(Minyong Lee),장인배(Inbae Chang),김경민(Kyungmin Kim),최형연(Hyungyun Choi),이광노(Kwangnoh Lee),김석환(Seokhwan Kim),황수환(Suhwan Hwang) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In order to audit the comfort of passenger car seats, various dummy models are developed based on the data of standard human body. Those dummies are generally composed of joint style skeleton structures and the outside of the body structures are covered with soft materials such as latex or silicon rubber, which has similar material characteristics such as skin, fat and muscle. The existing dummy models for comfort assessment uses the same skeletal structures with human body that has kinematical similarity. But those do not have systematic posture monitoring system that it is impossible to assess the global posture change according to relative joint rotations. In this paper, vertebral column and hip joints which has spring preload, are developed that it is possible to follow the kinematically similar seating behavior with human motion. Furthermore, realtime monitoring system is developed for all the rotation angle of the joints that it is possible to audit the comfort of passenger car seats on the basis of standard human body dummy, which is developed in this paper.
노재승(Jaeseung Noh),김병진(Byungjin Kim),장인배(Inbae Chang) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
The intravenous injection is widely used for medication injection and blood sampling. The injection training kit is developed for the virtual exercise of intravenous injection instead of live body. The kit is composed of needle and virtual arm. The virtual arm have polar coordinate rotating and translating mechanisms and sensors respectively that it can measure the depth of injection, roll and pitch angle of the injected needle and it is also possible to calculate the location of the needle in the virtual 3-dimensional space. The 3-dimensional virtual arm and blood vessels are modelled and matched with the training kit that it is possible to move the needle in the virtual 3-dimensional training space where the virtual arm and blood vessels are located. This training kit may help the training of nurse candidates without any human injury problems.
김병진(Byeongjin Kim),박재훈(Chaehoon Park),장인배(Inbae Chang) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
The artificial arm is developed for medical trainees to exercise pulsimeter and tonometer. The arm has a pressure gage to monitor the cuff pressure. If the cuff pressure changes to the blood pressure range which is set by external controller, a audio speaker which is driven by MP3 chip plays the Korotkoff sounds an artificial vane which is located at the wrist which is driven by a solenoid actuator beats. The touch screen type LCD monitor is adopted for external controller and the control system can set not only the blood pressure but also various types of disease. The artificial arm which is developed in this paper can be applied for training the student nurses.
박재훈(ChaeHoon Park),노재승(JaeSeung Noh),장인배(InBae Chang) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
BLDC motor is widely used as a servo motor, because it has efficiency, high power ratio, low inertia, and low maintenance. However, BLDC motor generally needs position and speed sensors to synchronize the phase angle that it raises the system costs and complexity. This paper describes a simple sensor-less speed control of BLDC motor with using back EMF signal. Adaptive PID speed control algorithm was developed and verified for wide speed ranges.
고속터보 머신용 자기베어링의 제어와 모니터링에 관한 연구
윤주형(Juhyung Yoon),박인황(InHwang Park),박영호(Youngho Park),장인배(Inbae Chang),한동철(Dongchul Han) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
Bearing that support rotating machinery in field of high speed turbo machinery is very dominant part because it determine the performance and commission of system. But existent rolling element bearing can not raise high speed (2,000,000 Dn) and have a short lifetime at high load. Once replace the existent bearings to the AMB(active magnetic bearing), that can raise heavy load capacity as well as high speed ability (4,000,000 Dn). Also can realize more stable performance in high speed area because it actively control the damping and stiffness of bearing. Therefore in this paper, achieve the research about AMB to apply high speed turbo machinery. Accordingly, achieved the modal analysis of AMB-rigid rotor system using FEM. Thereafter derive the 4DOF model of high speed AMB system and design the controller. Finally, constructing the monitoring system and experiment device in order to estimate the performance of AMB system by LQR integral controller.