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Tracking Algorithm Based on Moving Slide Window for Manuevering Target
배진호,이종현,전형구,Bae, Jinho,Lee, Chong Hyun,Jeon, Hyoung-Goo The Institute of Electronics and Information Engin 2016 전자공학회논문지 Vol.53 No.4
본 논문에서는 이동 창 함수 추적기라는 새로운 추적 알고리즘을 제안한다. 본 논문에서는 이동표적의 궤적을 효율적으로 추정하기 위해 과거 궤적의 정보를 포함하는 이동 구간이 선형이라는 가정을 한 선형 창 함수를 적용하여 구현한다. 제안된 알고리즘의 창 함수의 파라메터는 측정 잡음의 영향을 줄이기 위해 그리고 알파-베터 추적기와 비교하여 더 적은 계산량 증가로 빠른 이동 표적 추적을 구현하기 위해 적절하게 선택할 수 있다. 본 논문에서 제안한 창 함수 추적기를 검증하기 위해 잡음상황에서 선형과 비선형 궤적에 대한 컴퓨터 모의실험을 수행했다. 또한 제안된 창 함수 추적기는 초기값에 대한 둔감한 특성과 예측할 수 없는 시변 측정 환경에서 창 함수 추적기를 사용할 경우 더 높은 자유도를 가짐을 보였다. In this paper, we propose a novel tracking algorithm called slide window tracker (SWT) suitable for maneuvering target. To efficiently estimate trajectory of moving target, we adopt a sliding piecewise linear window which includes past trace information. By adjusting the window parameters, the proposed algorithm is to reduce measurement noise and to track fast maneuvering target with little computational increment as compared to ${\alpha}-{\beta}$ tracker. Throughout the computer simulations, we verify outstanding tracking performance of the SWT algorithm in noisy linear and nonlinear trajectories. Also, we show that the SWT algorithm is not sensitive to initial model parameter selection, which gives large degree of freedom in applying the SWT algorithm to unknown time-varying measurement environments.
학습 차원을 강조한 초등 과학수업의 과학적 태도와 과학 학습 성취도 분석 - 5학년 '열매' 단원을 중심으로 -
배진호,김동국,Bae Jin-Ho,Kim Dong-Gook 한국초등과학교육학회 2005 초등과학교육 Vol.24 No.5
Dimensions of learning, based on the vast studies on teaming psychology and teaming processes, have been played an important role as one of the frameworks of curriculum and teaming strategies. Dimensions of Learning consist of 5 Dimensions, each of 'Attitudes and Perceptions', 'Acquire and Integrate Knowledge', 'Extend and Refine Knowledge', 'Use Knowledge Meaningfully', 'Habits of Mind'. And each dimension has $3\~8$ lower categories in itself, The elementary 5th grade science lesson emphasizing upon Dimensions of Learning was developed in this study. The lessons dealt with almost every lower categories of Dimensions of learning. We analysed students' scientific attitude and scientific achievement quantitatively after the lesson emphasized upon Dimensions of Learning in comparison with typical lesson laying stress on teachers' guides. The results are as follows; Students' scientific attitude was significantly changed after the lesson emphasized upon Dimensions of Learning. The willingness, positiveness, straightforwardness, and openness of lower categories of students' scientific attitude were more significantly changed especially. But students' scientific achievement was not significantly changed after the lesson emphasized upon Dimensions of Learning.
금형소재용 동합금의 미세조직 및 기계적 성질에 미치는 첨가원소의 영향
배진호,박종성,김명호 ( Jin Ho Bae,Chong Sung Park,Myung Ho Kim ) 한국주조공학회 1998 한국주조공학회지 Vol.18 No.3
N/A Effects of Si and Ni addition on the microstructure and mechanical properties of the Cu-12wt.%Al-5wt.%Fe-1wt.%Mn alloy have been investigated experimentally. Microstructure of the as-cast specimen is found to be refined markedly by additions of Ni and Si. By the addition of Ni, volume fraction of the k phase is increased, but volume fraction of the y phase is decreased. Hardness is increased with the addition of Ni, due to increasing of k phase which is harder than y phase. However, Charpy impact value is not significally decreased possibly due to the formation of isolate k phase. (Received February 19, 1998)
머신비전을 이용한 PWM Shaft의 자동검사 시스템 개발
배진호,김성관,Bae, Jin-Ho,Kim, Sung-Gaun 한국생산제조학회 2013 한국생산제조학회지 Vol.25 No.3
In this paper, in order to overcome shortcomings of manual inspection for the automotive PWM Shaft, we developed an automated inline inspection system. The automated inline inspection system consists of the work feeder unit, conveying unit, outer diameter check unit, run-out and roundness check unit, machine vision, defective separation unit and status alarm unit. We used the machine vision system for automatic inspection process and designed the inline systems for automatic feeding and selecting process. Also the repeated operation test was performed in order to verify the precision and reliability of the proposed automated inline inspection system.
창의기법을 활용한 초등과학수업이 학생들의 과학 학습 동기와 과학 학업 성취도에 미치는 영향
배진호 ( Jin Ho Bae ),강우석 ( Woo Seok Kang ),소금현 ( Kum Hyun So ) 한국초등과학교육학회 2012 초등과학교육 Vol.31 No.2
The purpose of this study was to examine the effect of utilization of creative techniques in elementary science class on science learning motivation and science academic achievement. To verify this study, the subjects of this study were sixth-grade students selected from four classes of an elementary school located in U Metropolitan city. First, the experimental group showed a significant improvement in their science learning motivation compared to the comparative group. Second, the experimental group showed a significant improvement in their science academic achievement compared to the comparative group.
세라믹칩 전기적 성능검사 시스템을 위한 고속구동 액튜에이터 개발
배진호(Bae, Jin-Ho),김성관(Kim, Sung-Gaun) 한국산학기술학회 2011 한국산학기술학회논문지 Vol.12 No.4
IT 제품의 핵심 전자부품에는 MLCC, chip inductors, chip Varistors 등이 있다. chip의 전기적 특성을 검사하 기 위해 리노핀을 이용한 접촉검사 방식이 사용되고 있다. 리노핀을 이용한 칩 검사에 고속으로 구동할 수 있는 Actuator가 필요하다. 그 중 PZT Actuator는 압전소자를 이용한 마이크로 Actuator의 하나로 높은 분해능 및 좋은 응 답성 그리고 큰 힘을 낼 수 있는 장점을 가지고 있다. 하지만 진동변위가 매우 작다는 단점이 있다. 그래서 이러한 단점을 극복하기 위하여 변위 증폭구조를 설계하는 연구가 활발히 진행되고 있다. 따라서 본 논문에서는 유연힌지를 이용한 지레구조 증폭기구를 설계하였으며, 반도체칩 검사장비 산업분야에서 성능검사 및 전기적 특성을 측정할 수 있는 리노핀용 고속구동 Actuator 시스템을 개발하였다. The core of IT products, electronic components, especially the MLCC, chip inductors, chip Varistors and so on. In order to test the electrical characteristics of the chip using the Reno-pin contact test method has been used. In current chips, mass production of semiconductor manufacturing processes, high-speed production test for the chip speed up, precision is required. But Vibration displacement is a very short, so in order to overcome these shortcomings, the displacement amplification to design the structure has been actively studied. In this paper, a building structure with a flexible hinge was designed amplification instrument, semiconductor chip industry in the performance test and inspection equipment to measure the electrical characteristics of high speed linear actuators Reno-Pin using system was developed.