• Title/Summary/Keyword: Human Sensibility Evaluation

Search Result 168, Processing Time 0.03 seconds

Development of Index for Sound Quality Evaluation of Vacuum Cleaner Based on Human Sensibility Engineering (감성공학을 기초한 진공청소기의 음질 인덱스 개발)

  • Gu, Jin-Hoi;Lee, Sang-kwon;Jeon, Wan-Ho;Kim, Chang-Jun
    • Transactions of the Korean Society for Noise and Vibration Engineering
    • /
    • v.15 no.7 s.100
    • /
    • pp.821-828
    • /
    • 2005
  • In our life, we have used many digital appliances. They help us to improve the quality of life but sometimes give us unsatisfactory result. Because they produce specific noise. Especially vacuum cleaner produce much noise that is very annoying. So we need to study what sound metrics affect human sensibility. In this paper, we develop sound quality index for vacuum cleaner using the sound quality metrics defined in psychoacoustics. First, we carry out the subjective evaluation of vacuum cleaner sound to verify what vacuum sound feels good to human. And then artificial neural network estimated the complexity and the nonlinear characteristics of the relations between subjective evaluation and sound metrics. Finally the ANN is trained repeatedly to have a good performance for sound qualify index of the vacuum cleaner. As a result, the sound quality index of vacuum cleaner has a correlation of $93.5\%$ between the subjective evaluation and ANN. So, there exist three factors that Is loudness, sharpness, roughness which affect the sound quality of vacuum cleaner.

모호가중점검목록을 이용한 제품의 감성파악에 관한 연구

  • 박경수;정광태
    • Proceedings of the ESK Conference
    • /
    • 1995.04a
    • /
    • pp.25-29
    • /
    • 1995
  • When we design a product, we need to consider human sensibility for the product. In this study, we developed a technique to measure human sensibility for a product. Because human sensibility for a product is very subjective and fuzzy, it is hard to measure easily. To deal with this difficulty effectively, we used fuzzy-weighted checklist to this problem. The fuzzy- weighted checklist presents a fuzzy version of the weighted checklist technique computerized for evaluating or comparing complex system (or subjects). In this technique, we used pairwise comparison to get the relative weights of wensibility factors. Also, we used linguistic ratings to get the scores of sensibility factors for a product. Then, we synthesize the scores of sensi- bility factors to get fuzzy composite score (and linguistic approximation). If there are several alternatives, we can conduct alternative comparison. Finally, we wrote the program of this technique by Quick Basic software. As an example, this technique applied to car. The results show that we can use this technique effectively to the quantitative evaluation of human sensibility

  • PDF

Human Sensibility Ergonomics Approach to Dynamics-Based Vehicle Simulator (동역학 기반의 차량 시뮬레이터에 대한 감성공학적 접근)

  • Son, Kwon;Choi, Kyung-Hyun;Eom, Sung-Suk
    • Transactions of the Korean Society of Automotive Engineers
    • /
    • v.10 no.2
    • /
    • pp.123-131
    • /
    • 2002
  • Simulators have been used to evaluate drivers'reactions to various transportation products. Most researches, however, have been concentrated on their technical performance, thus this paper considers drivers'senses of moving on a vehicle simulator through the analysis of human sensibility ergonomics. A sensibility ergonomic method is proposed in order to improve the faithfulness of vehicle simulators. A simulator of passenger vehicle consists of such three modules as vehicle dynamics, virtual environment, and motion representation modules. To evaluate drivers'feedback, human feelings are categorized into a set verbal expressions collected and investigated to find the most appropriate ones for translational and angular accelerations of the simulator The cutoff frequency of the washout alter ill the representation module is selected as one sensibility factor Sensibility experiments were carried out to find correlation between the expressions and the cut-off frequency of the filter. This study suggests a methodology to obtain an ergonomic database which can be applied to the sensibility evaluation of dynamic simulators.

Improvement of Dynamic Performance of Vehicle Simulator Using Human Sensibility Ergonomics (감성공학 기법을 이용한 차량 시뮬레이터의 동적 성능 향상에 대한 연구)

  • Lee, Sang-Chul;Um, Sung-Sook;Son, Kwon;Choi, Kyung-Hyun
    • 제어로봇시스템학회:학술대회논문집
    • /
    • 2000.10a
    • /
    • pp.312-312
    • /
    • 2000
  • Human sensibility ergonomics is applied to evaluation of dynamic performance of a vehicle driving simulator. Vehicle, driving environment, and human perception models are constructed and integrated. Driving simulations are carried out based on these models. This study defines a set verbal expressions collected and investigates which are the most appropriate for describing the fidelity of translational and angular accelerations of the driving simulator. An statistical analysis is uscd to find correlation between the ergonomic sensibility and the cut-off frequency of the washout algorithm. This study suggests a methodology to obtain an ergonomic database which can be used for the performance evaluation of dynamic environments.

  • PDF

Analysis of Surface Fibers by Wavelet Transform and Subjective Evaluation of Wool Fabrics (웨이블릿 변환을 이용한 모직물의 표면섬유 분석과 주관적 감각 평가)

  • 김동옥;김은애;유신정
    • Science of Emotion and Sensibility
    • /
    • v.5 no.3
    • /
    • pp.53-59
    • /
    • 2002
  • The surface fibers on the fabric is one of decisive factors which affects human sensory evaluation as well as heat and moisture transfer characteristics. In this study the length and distribution of surface fibers that are extruded from the fabric surface of the wool/wool blend fabrics (14 wool fabrics and 10 wool blend fabrics) and its contribution to subjective sensory evaluation were investigated. In order to quantify the length and distribution of surface fibers, image analysis and wavelet transform technique were introduced. Instant warm-cool feeling of touch, Q$\_$max/, and contact area were also measured and related to the quantified surface fibers. To figure out the effect of surface characteristics on sensory evaluation, human sensory responses to three adjectives which represent surface characteristics and warm-cool feeling of touch were obtained and analyzed. The relationship between the quantified surface fibers assessed by wavelet energy and both warm-cool reeling of touch, Qmax, and human sensory response were discussed.

  • PDF

Evaluation of Waist Pressure Using Electroencephalogram(EEG) Signal (뇌파를 이용한 허리 압박감 평가 기술)

  • Kim, Dong-Jun;Woo, Seung-Jin
    • The Transactions of The Korean Institute of Electrical Engineers
    • /
    • v.60 no.6
    • /
    • pp.1190-1195
    • /
    • 2011
  • This paper presents a waist pressure evaluation method in human sensibility using a electroencephalogram(EEG) signal. For this objective, a size-controllable waist-belt is used. First of all, EEG signals for relaxed state are acquired. Then, the waist-belt of the subject is tightened about 90% of normal state. After a few minutes, the belt of the subject is released. Some necessary preprocessing is performed on the acquired signals, Linear Prediction (LP) coefficients are utilized as the feature parameters extracting the characteristics of EEG signal, and a multi-layer neural network is used for indicating the state of body pressure. The results of the method showed 77.2% of coincidence with body pressure states. This may be compromising results for ssubject-independent sensibility evaluation using EEG signal.

An effective evaluation method for the subjective sensibility of linen-like silk (의마 가공된 견직물의 효율적인 주관적 감성평가 방법)

  • You, Ji-Ho;Lee, Jung-Soon
    • Korean Journal of Human Ecology
    • /
    • v.15 no.3
    • /
    • pp.439-447
    • /
    • 2006
  • The purpose of this study is to explore the accuracy and reliability of subjective evaluation instruments in evaluating sensibility of similar fabrics, Kendall's coefficient of concordance W (agreement among subjects) and Spearman rank correlation coefficient (reproducibility after 1 week) were used to evaluate which one is more efficient. Eight kinds of linen-like silk fabrics finished with polyurethane resin were used, Subjective evaluation instruments such as rating scale method, contrasting method against a control, rank ordering method, paired comparison and Quad analysis were used, 'Stiffness and Pliability' and 'Preference of summer fabric' were estimated, From the result of subjective stiffness and pliability, which are effective on objective properties of fabric, the rating scale method in Kendall's coefficient of concordance W and Quad analysis in Spearman rank correlation coefficient were given the highest score, From the result of subjective preference of summer fabric, which are effective on individual sensibility, contrasting method against a control in Kendall's coefficient of concordance W and Quad analysis in Spearman rank correlation coefficient revealed the highest score, Regarding the accuracy, reliability and efficiency, Quad analysis was an efficient method for subjective evaluation of linen-like silk fabrics.

  • PDF

The Effects of the Structure and Sensible Characteristics of Fabrics on the Texture Image and Preference On-line (의류소재의 구조와 감각특성에 따른 온라인에서의 질감이미지와 선호도)

  • Kim, Hee-Sook;Cho, Shin-Hyun
    • Korean Journal of Human Ecology
    • /
    • v.19 no.1
    • /
    • pp.137-147
    • /
    • 2010
  • This research was designed to compare the subjective evaluation of texture image and preference by structure and sensible characteristics of women's suits fabrics between on- and off-line. 78 subjects who majored in fashion design evaluated the sensibility image and preference of 15 various kinds of specimens on- and off-line. Factor analysis, t-test, Pearson correlation and regression were used for a statistical analysis by SPSS WIN 13.0. The results of this study were as follows: 1. Women's suits fabrics were classified according to five sensibility image factors: 'classic', 'sophisticated', 'natural', 'characteristic', and 'practical'. 2. The results of the t-test showed that there were no differences between the on- and off-line evaluation of sensibility images. 3. The analysis of correlation indicated that the 'classic'-'sophisticated' and 'natural'- 'practical' sensibility images show a significant correlation between the two kinds of evaluation. 4. The results of regression revealed that 'sophisticated', 'characteristic' and 'practical' sensibility images had an effect on the purchase preference of women's suits fabrics. 5. 'Sophisticated', 'characteristic' and 'classic' sensibility images had an effect on the tactile preference of women's suits fabrics. 6. The structural characteristics of fabrics: thickness, weave and weight had an effect on the 'classic' sensibility image. Thickness had an effect on the 'sophisticated' sensibility image and fabric count had an effect on the 'characteristic' sensibility image.

WebSES : Web Site Sensibility Evaluation System based on Color Combination (WebSES : 배색을 이용한 웹 사이트 감성 평가 시스템)

  • 유헌우;조경자;홍지영;박수이
    • Science of Emotion and Sensibility
    • /
    • v.7 no.1
    • /
    • pp.51-64
    • /
    • 2004
  • In this paper, we propose a web page retrieval system based on the sensibility evaluation induced by the color combination of web pages. The realized system consist of two modules - the indexing module that automatically extracts and indexes the color information from the web page and the retrieval module that retrieves web pages based on the color combination when sensibility adjective is presented. Also, to verify the system usefulness, we analyzed the ranking of web pages retrieved by the system and by human subjects (non-expels and experts for color web page design) using two statistical methods of correlation and paired-t test. Results by non-experts showed the realized system was suitable for 10 sensibility adjectives among 18 sensibility adjectives, and results by experts showed that the realized system was suitable for 14 sensibility adjectives among 18 sensibility adjectives.

  • PDF