• Title/Summary/Keyword: Self-Reference

Search Result 664, Processing Time 0.03 seconds

Novel Self-Reference Sense Amplifier for Spin-Transfer-Torque Magneto-Resistive Random Access Memory

  • Choi, Jun-Tae;Kil, Gyu-Hyun;Kim, Kyu-Beom;Song, Yun-Heub
    • JSTS:Journal of Semiconductor Technology and Science
    • /
    • v.16 no.1
    • /
    • pp.31-38
    • /
    • 2016
  • A novel self-reference sense amplifier with parallel reading during writing operation is proposed. Read access time is improved compared to conventional self-reference scheme with fast operation speed by reducing operation steps to 1 for read operation cycle using parallel reading scheme, while large sense margin competitive to conventional destructive scheme is obtained by using self-reference scheme. The simulation was performed using standard $0.18{\mu}m$ CMOS process. The proposed self-reference sense amplifier improved not only the operation speed of less than 20 ns which is comparable to non-destructive sense amplifier, but also sense margin over 150 mV which is larger than conventional sensing schemes. The proposed scheme is expected to be very helpful for engineers for developing MRAM technology.

Reference Model Following Self-Organizing Controller (기준모델 추종 자기 구성 제어기)

  • Kwon, Choon-Ki;Bae, Sang-Wook;Park, Tae-Hong;Park, Gwi-Tae
    • Proceedings of the KIEE Conference
    • /
    • 1993.11a
    • /
    • pp.329-331
    • /
    • 1993
  • A new RMFSOC(Reference Model Following Self-Organizing Controller) is proposed. It is composed by adding the reference model and decision rule to the Mamdani's SOC. The reference model is introduced to explicitly specify the control performance. The self-organizing level of the RMFSOC organizes the control rule which makes the process output follow the reference output generated by the reference model. In order to avoid unnecessary control rule modification, a decision rule is also introduced to determine whether the control rule modification is needed or not.

  • PDF

Effects of Self- and Social-Reference Point Diagnosticity Interfaces on Unbalanced Information Consumption in the Mobile News Context (자기 준거 진단 인터페이스와 사회적 준거 진단 인터페이스가 정보 편식에 미치는 영향: 모바일 뉴스를 중심으로)

  • Kang, HyeBin;Lee, Seongwon;Suh, Kil-Soo
    • Information Systems Review
    • /
    • v.17 no.2
    • /
    • pp.219-238
    • /
    • 2015
  • As Internet and IT have been developed, people have been exposed to large amounts of information. So, many online information providers recommend relevant information to users to relieve an information overload. However, information recommendation which is based on the taste and preference of a user can lead to a problem of unbalanced information consumption. Prior research about online information has not investigated the side-effect of a recommendation function. This research suggests IT solutions for alleviating unbalanced information consumption behavior. Based on adaptation level theory and expectancy theory, we proposed self-reference point diagnosticity interface and social-reference point diagnosticity interface to help people to consume information following their own information consuming goal. We hypothesized positive impacts of these two interfaces on the self-awareness about information consuming pattern. And we predicted that self-awareness has a positive impact on the motivation and actual behavior to conform the ideal information consuming pattern which the user sets. Laboratory experiment was executed as a research method. As a result, the self-reference diagnosticity interface leaded to higher self-awareness and mitigated the unbalanced information consumption. But, the social-reference diagnosticity interface and the motivation to improve the information consuming behavior had no significant results. Academic and practical implications are discussed.

Reference Model Following Self-Organizing Fuzzy Logic Controller (기준모델 추종 자구구성 퍼지 논리 제어기)

  • 배상욱;권춘기;박귀태
    • Journal of the Korean Institute of Intelligent Systems
    • /
    • v.4 no.1
    • /
    • pp.24-34
    • /
    • 1994
  • A RMFSOC(Reference Model Following Self-Organizing Fuzzy Logic Controller) is propose in this paper. In the RMFSOC, the refernce model is introduced, where the desired control performance can be specified by an operator of the controlled process. The self-organizing level of the RMFSOC organizes the control rules of FLC which make the process output follow the reference model output. In addition, for the use of preventing improper modifications of control rules, a complementary decission rule is induced from the possible relations between the process output and reference model output. Through a simulation study, it is shown that the robustness of the control system using the proposed RMFSOC to the set-point changes and distur bances can be greatly improved being conpared with that of the control system using the Procyk and Mamdani's SOC.

  • PDF

A Self-Biased Current Reference in $0.25{\mu}m$ CMOS Technology

  • Park, Jae-Woo;Yoo, Chang-Sik
    • Proceedings of the IEEK Conference
    • /
    • 2006.06a
    • /
    • pp.635-636
    • /
    • 2006
  • A self-biased CMOS current reference is described which provides supply and temperature independent bias current. The supply independency is obtained by subtracting two bias currents which have the same supply dependency. Unlike the conventional self-bias CMOS current reference, excellent supply independency can be obtained even with the minimum channel length devices and thus smaller area implementation becomes possible. The supply independent bias current is then applied to a temperature compensating circuit and as a result supply and temperature independent bias current is obtained. The current reference has been implemented in a $0.25{\mu}m$ standard CMOS technology. The active silicon area is only $45{\mu}m{\times}45{\mu}m$. The simulated temperature coefficient is 64ppm/$^{\circ}C$ in temperature range between $0^{\circ}C$ and $120^{\circ}C$. Supply voltage can be as low as 1.3V and the supply dependency of the current reference is measured to be smaller than 4500ppm/V. While providing $10.25{\mu}A$ output current, the current reference consumes $160{\mu}W$.

  • PDF

A Study on the Money Management Behavior of Adolescents with Reference to the Self-Concepts (청소년의 자아개념과 금전관리행동에 관한 연구)

  • 황덕순
    • Journal of the Korean Home Economics Association
    • /
    • v.18 no.2
    • /
    • pp.49-55
    • /
    • 1980
  • As the society has been capitalized, the importance of money has appeared widely. And there are many problems caused from the lack of money is supposed rather a qualitative problem happened by mismanagement of money than a quantitative. The purposes of this study are to suggest the desirable direction in money management education to adolescents and to provide some basic data to resolve the juvenile delin-quency caused from lack of money. With this purposes this study dealt with the money management behavior of adolescents with reference to self-concept, which was considered one of the influential factors to the money management behavior. Questionnaires composed with the Self-concept test (developed by Dr. chung) and the Money management test (developed by Dr. Troelstrup) were distributed to 300 high school students. 180 of them was taken as data. mean score and F-ratio were applied as statistical methods. As result, significant difference in money management behavior between the groups divided by self-concept scores were found. The higher the self-concept score is, the more desirable the money management behavior is. Here we cannclude as follow; As the money management behavior of adolescents differs with reference to the self-concept, it is possible to help the adolescents 세 develop the money management by inspiring the self-concept. And money management training as a consumer education is needed by all means at home, because it has an important effect upon the identity establishment, the major developmental task in adolescence.

  • PDF

Wavelet based Blind Watermarking using Self-reference Method (웨이블릿 기반의 자기참조 기법을 이용한 블라인드 워터마킹)

  • Piao, Yong-Ri;Kim, Seok-Tae
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.33 no.1C
    • /
    • pp.62-67
    • /
    • 2008
  • In this paper, wavelet based blind watermarking using self-reference method is proposed. First, we process wavelet transform of original image. Then, we set all domain except for the low-frequency domain to zero and make self-reference image after wavelet reverse transformation. By choosing specific domain according to the pixel value difference between original image and self-reference image, we make random sequence, use as watermark and embed. The experimental results of the watermark embedding and extraction on various images show that the proposed scheme not only has good image quality, but also has stability on JPEG lossy compression, filtering, sharpening, blurring and noise.

Impact of social relationships on self-related information processing and emotional experiences (사회적 관계가 개인의 정보처리와 정서경험에 미치는 효과)

  • Hong Im Shin;Juyoung Kim
    • Korean Journal of Culture and Social Issue
    • /
    • v.24 no.1
    • /
    • pp.29-47
    • /
    • 2018
  • Do social situations have an impact on an individual's information processing and emotional experiences? Two studies were conducted to investigate relationships between self-reference effects, emotional experiences and social information processing. Study 1 examined whether biases favoring self-related stimuli could occur automatically. Participants had to judge whether sequential geometric shape-label pairs matched or mismatched. The results showed that self-related stimuli are more rapidly processed than friends/others-related stimuli. In Study 2, the participants had to recall items which were presented with different instructions (either chosen by a friend or by the computer). Here we explored whether the self-reference effect is reduced in a social learning condition. When comparing the social learning condition (seated in pairs) with the nonsocial learning condition (seated alone), the participants recalled more self-related words in the nonsocial learning condition than in the social learning condition. Importantly, the automatic self-reference effect disappeared in the social learning condition. More friends-related words were recalled in the social condition than self-related words. In addition, while tasting chocolates, the participants judged them to be more likeable in the social condition than in the nonsocial condition. These results implicated that social processing can be useful for reducing the automatic self-reference effects and shared experiences are perceived more intensely than unshared experiences.

Moore's Paradox and Self-Reference (무어의 역설과 자기-지시)

  • Kwon, Hongwoo
    • Korean Journal of Logic
    • /
    • v.19 no.3
    • /
    • pp.341-368
    • /
    • 2016
  • Asserting a sentence of the form "p but I do not believe that p" sounds inappropriate, and even absurd or contradictory. The problem that Moore's paradox raises is to explain why asserting such a sentence is absurd despite the fact that there is apparently no logical contradiction in it. Many of the influential accounts of Moore's paradox try to locate its source in the nature of belief or in the nature of assertion. In this paper, I argue that these accounts are not satisfactory, and develop and defend a novel account. According to this account, the source of Moore's paradox should be located in self-reference. Self-reference is constituted by a certain disposition to form second-order beliefs. A subject who is ready to assert "p but I do not believe p" fails to conform to the disposition that is constitutive of self-reference, while at the same time referring to the relevant individual with "I."

  • PDF

Self-calibration Algorithm of Systematic Errors For Interferometer (간섭계에 있어서의 계통 오차의 자율 교정 알고리즘)

  • Ikumatsu Fujimoto;Lee Taeyong
    • Journal of the Korean Society for Precision Engineering
    • /
    • v.22 no.5 s.170
    • /
    • pp.63-71
    • /
    • 2005
  • When an almost flat surface under test is measured by an interferometer, the measurement result is largely influenced by systematic errors that include geometrical errors of a reference flat surface. To determine the systematic errors of the interferometer by the conventional method that is called the three flat method, we must take the reference flat surface out from the interferometer and measure it. Because of difficulties to set the reference flat surface to the interferometer exactly and quickly, this method is not practical. On the other hand, the method that measures a surface under test with some shifts in the direction being perpendicular to the optical axis of the interferometer is studied. However, the parasitic pitching, rolling and up-down movement caused by the above shifts brings serious error to the measurement result, and the algorithm by which the influences can be eliminated is not still established. In this paper, we propose the self-calibration algorithm for determining the systematic errors that include geometrical errors of a reference flat surface by several rotation shifts and a linear shift of general surface under test, and verify by a numerical experiment that this algorithm is useful for determining the systematic errors.