• Title/Summary/Keyword: Adjusting

Search Result 4,476, Processing Time 0.033 seconds

Simple digital control of cell mass in biological CSTR (연속 교반 발효조에서 균체농도의 단순 디지탈 제어)

  • 이경범;황영보;이지태
    • 제어로봇시스템학회:학술대회논문집
    • /
    • 1987.10b
    • /
    • pp.647-651
    • /
    • 1987
  • Yeast biomass in a biological continuous stirred tank reactor was controlled with an APPLE II microcomputer using adaptive control theory of bilinear systems. The controller used is as simple as a PID controller, but required less information. Cell concentration was well controlled by adjusting the inlet flow rate following the algorithm.

  • PDF

A Note for Speed-Up of Interval Regression Neural Network (구간회귀 신경망의 속도개선)

  • 이중우;권순학
    • Proceedings of the Korean Institute of Intelligent Systems Conference
    • /
    • 2001.05a
    • /
    • pp.101-104
    • /
    • 2001
  • This paper deals with the speed-up of interval regression neural network. We propose an improved method of adjusting the parameter alpha used in the interval regression neural network to improve the learning speed and regression performance. Finally, we provide numerical examples to evaluate the performance of the proposed method.

  • PDF

Interfacial Engineering of Polymer Light Emitting Diode

  • Chen, Show-An
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 2007.08a
    • /
    • pp.165-167
    • /
    • 2007
  • The performance of polymer light emitting diode can be improved significantly by interfacial engineering on anode and/or cathode through adjusting the charge injection barriers for holes and electrons. Studies involve CFx and SAM modifications on ITO, thickness and delay time to baking of PEDOT:PSS, and electron injection/hole blocking layer.

  • PDF

Efficient MAC Protocol for Achieving Fairness in Wireless Ad-hoc Networks under the DCF (Wireless Ad-hoc 망의 DCF환경에서 Fairness 구현을 위한 효과적인 MAC 프로토콜)

  • 임희선;박승권
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.29 no.8A
    • /
    • pp.928-936
    • /
    • 2004
  • This paper proposes simple and effective Contention Window (CW) adjusting algorithm to solve the fairness problem of the IEEE 802.11 under the Distributed Coordination Function (DCF). This adjusting algorithm can support variable packet length as well as both RTS/CTS access method and hidden nodes. Simulation results show that fairness problem can be very severe in the original MAC protocol of the wireless network. In case of implement our algorithm, fair sharing was enlarged prominently and the fairness sharing was improved about maximum 30%.

An Investigation of Elementary School Teachers' Epistemological Beliefs about Science on the Bases of Their Strategies for Coping with Critical Incidents (위기 상황에의 대처 전략을 통한 초등교사들의 과학에 대한 인식론적 신념 연구)

  • Han, Su-Jin;Lee, In-Hye;Kang, Suk-Jin;Noh, Tae-Hee
    • Journal of Korean Elementary Science Education
    • /
    • v.30 no.1
    • /
    • pp.61-70
    • /
    • 2011
  • In this study, we examined the types and the characteristics of elementary school teachers' strategies for coping with critical incidents in science classes. Teachers' epistemological beliefs about science were then investigated on the bases of the types of their coping strategies. The teachers (N=107) in 23 elementary schools were asked to respond to an open-ended question about the critical incidents they had experienced in science classes and how to cope with them. Seven types of coping strategies were identified as follows: avoiding, reinterpretation, adjusting, prevaricating, justifying, exploring, and explaining. Among them, adjusting and justifying were the major strategies. In order to classify teachers' epistemological beliefs about science, their coping strategies were grouped into four categories such as transferring facts, constructing facts, transferring meanings, and constructing meanings. The results indicated that most teachers still possessed traditional epistemological beliefs about science. The potential of critical incidents as a probe for revealing teachers' epistemological beliefs about science is discussed.

Temporal Transfer of Locomotion Style

  • Kim, Yejin;Kim, Myunggyu;Neff, Michael
    • ETRI Journal
    • /
    • v.37 no.2
    • /
    • pp.406-416
    • /
    • 2015
  • Timing plays a key role in expressing the qualitative aspects of a character's motion; that is, conveying emotional state, personality, and character role, all potentially without changing spatial positions. Temporal editing of locomotion style is particularly difficult for a novice animator since observers are not well attuned to the sense of weight and energy displayed through motion timing; and the interface for adjusting timing is far less intuitive to use than that for adjusting pose. In this paper, we propose an editing system that effectively captures the timing variations in an example locomotion set and utilizes them for style transfer from one motion to another via both global and upper-body timing transfers. The global timing transfer focuses on matching the input motion to the body speed of the selected example motion, while the upper-body timing transfer propagates the sense of movement flow - succession - through the torso and arms. Our transfer process is based on key times detected from the example set and transferring the relative changes of angle rotation in the upper body joints from a timing source to an input target motion. We demonstrate that our approach is practical in an interactive application such that a set of short locomotion cycles can be applied to generate a longer sequence with continuously varied timings.