CN103823046B - Objective evaluation method for fabric touch hand feeling and wearing comfort - Google Patents
Objective evaluation method for fabric touch hand feeling and wearing comfort Download PDFInfo
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- CN103823046B CN103823046B CN201410086244.6A CN201410086244A CN103823046B CN 103823046 B CN103823046 B CN 103823046B CN 201410086244 A CN201410086244 A CN 201410086244A CN 103823046 B CN103823046 B CN 103823046B
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- 239000004744 fabric Substances 0.000 title claims abstract description 77
- 238000011156 evaluation Methods 0.000 title claims abstract description 33
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- 210000004761 scalp Anatomy 0.000 claims abstract description 6
- 239000004753 textile Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 238000004458 analytical method Methods 0.000 claims description 8
- 210000003710 cerebral cortex Anatomy 0.000 claims description 8
- 210000000245 forearm Anatomy 0.000 claims description 8
- 230000002123 temporal effect Effects 0.000 claims description 7
- 238000004132 cross linking Methods 0.000 claims description 5
- 206010016322 Feeling abnormal Diseases 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 229920004933 Terylene® Polymers 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
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- 206010001497 Agitation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention provides an objective evaluation method for fabric touch hand feeling and wearing comfort. A Neuro-scan electroencephalograph system is adopted as an objective evaluation method for evaluating the touch hand feeling and wearing comfort of the fabric, a corresponding relation between the evaluation of the touch hand feeling and the comfort of the fabric and brain waves generated when a human body contacts the electroencephalograph system is firstly established, the electroencephalograph system can be directly connected with the scalp of the human brain in a subsequent test, and the touch hand feeling and the wearing comfort of the fabric are obtained by reading the brain waves generated when the human body touches the fabric and comparing with a previously established standard, so that the touch hand feeling and the wearing comfort of the fabric are objectively evaluated, the difference caused by subjective evaluation is avoided, a large number of repeated measurements are avoided, the evaluation method is simpler and more convenient, and the evaluation result is more accurate.
Description
Technical field
The present invention relates to a kind of evaluation method, particularly relate to the method for objectively evaluating of a kind of textile touch feel and sense comfortable and easy to wear.
Background technology
Whether comfortable when human body wears clothes, by the combined influence of the complicated factors such as clothes, environment and human body, be the important reflection of comfortable features of clothing, mental impression and health with wearer are closely related, even affect its efficiency and work quality.If dress is uncomfortable, fatigue can be increased the weight of.Feel and the comfort of fabric belong to subjective phenomenon, are the comprehensive of the many factors such as clothes, environment, human body, and the unique method obtaining subjective sensation is application subjective assessment technology.The domestic touch feeling to fabric and sense comfortable and easy to wear now adopts subjective evaluation method always.
To the touch feeling of fabric and the subjective evaluation method of sense comfortable and easy to wear be at present: the touch feeling of fabric is divided into several grade, from softness to enduring with all one's will, being divided into several grade from smooth to coarse, then multiple tester evaluates fabric, finally evaluation result is added up, obtain subjective evaluation result.The subjective fairness of people but subjective evaluation result almost places one's entire reliance upon, very big-difference is there is between the viewpoint of next people, if go for gratifying degree of accuracy, need a large amount of measured values, in addition, there is inconsistency in data that subjective assessment obtains, because individual person's development is by the impact of a large amount of psychology, physiology and environmental factor.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide the method for objectively evaluating of a kind of textile touch feel and sense comfortable and easy to wear, for solving in prior art, textile touch feel and sense comfortable and easy to wear are adopted to subjective assessment and there is the large problem of evaluation result difference, final object is the touch sense and sense comfortable and easy to wear that just can obtain fabric by being connected with detecting instrument.
For achieving the above object and other relevant objects, the invention provides the method for objectively evaluating of a kind of textile touch feel and sense comfortable and easy to wear, its step comprises the following steps:
The first step, is connected the scalp of people with brain electric system testing tool, human contact's target fabric, record cerebral cortex current potential;
Second step, is divided into grade by the physical attribute of target fabric, is divided into a point numeral system from soft feeling-stiffening sense, smooth feeling-harsh feeling, thick and heavy sense-frivolous sense, after being tried to touch target fabric, gives divide fabric evaluation;
3rd step, eeg data and the hand valuation score of target fabric is touched according to subject, all subjects are divided into groups to the evaluation of same fabric, what hand valuation score was consistent is included into one group, Treatment Analysis is carried out to the eeg data in group, using temporal signatures and frequency domain character as the objective evaluation dimension of fabric feeling, the corresponding relation of eeg data oscillogram when obtaining human contact's target fabric and textile touch sense, comfortableness;
4th step, using the eeg data oscillogram that establishes as standard, after this human body is connected with brain electric system testing tool, after human contact's fabric, the eeg data be input in instrument is processed, and compare with the standard eeg data oscillogram established, obtain the objective evaluation standard of fabric.
Preferably, the human contact position evaluating touch feeling employing is the finger belly position of the five fingers, and the touch time is 2-30 second.
Preferably, evaluate the positions such as the human contact position that sense comfortable and easy to wear adopts is on front side of shoulder, back, large arm, forearm dorsal part, forearm veutro, by these area skin and clothing in contact friction, fraction time is 5-10 second, for simulating the reciprocation of fabric and skin in clothes wearing process.
Preferably, described brain electric system is Neuro-scan electroencephalograph system, selects 32 crosslinking electrode caps, record cerebral cortex current potential.
Preferably, described Neuro-scan electroencephalograph systematic sampling rate is 500 ~ 1000Hz, and filter range is 0 ~ 200Hz.
As mentioned above, the method for objectively evaluating of a kind of textile touch feel of the present invention and sense comfortable and easy to wear, there is following beneficial effect: adopt Neuro-scan electroencephalograph system as the method for objectively evaluating evaluating textile touch feel and sense comfortable and easy to wear, first set up and evaluate textile touch feel, the corresponding relation of the brain wave produced when comfort and human contact's electroencephalograph system, just can directly this electroencephalograph system be connected with human body in test subsequently, by reading human body touch to brain wave during fabric, compare with the standard set up before, obtain the touch feeling of fabric and sense comfortable and easy to wear, the touch feeling of objective appraisal fabric and sense comfortable and easy to wear thus, avoid the otherness that subjective assessment brings, avoid repeatedly a large amount of measurement repeated, make evaluation method easier, evaluation result is more accurate.
Accompanying drawing explanation
Fig. 1 is the brain wave figure that experimenter one touches real silk fabric and measures.
Fig. 2 is the brain wave figure that experimenter one touches dacron and measures.
Fig. 3 is the electrode partial enlarged drawing of leftward position brain wave office in Fig. 1.
Fig. 4 is the wave amplitude partial enlarged drawing of right positions brain wave in Fig. 1.
Fig. 5 is the brain wave figure that experimenter two touches real silk fabric.
Fig. 6 is the brain wave figure that experimenter three touches real silk fabric.
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this instructions can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 6.Notice, structure, ratio, size etc. that this instructions institute accompanying drawings illustrates, content all only in order to coordinate instructions to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
The invention provides the method for objectively evaluating of a kind of textile touch feel and sense comfortable and easy to wear, its evaluation method comprises the following steps:
Adopt Neuro-scan brain electric system testing tool, select 32 crosslinking electrode caps, 32 crosslinking electrode caps are worn on subject's head, and ensureing 32 crosslinking electrode caps and scalp close contact, Neuro-scan electroencephalograph systematic sampling rate is 500 ~ 1000Hz, and filter range is 0 ~ 200Hz, human contact's target fabric subsequently, contact site is the finger belly position of the five fingers, and the touch time is 2-30 second, testing tool record cerebral cortex current potential;
The physical attribute of target fabric is divided into grade, is divided into a point numeral system from soft feeling-stiffening sense, smooth feeling-harsh feeling, thick and heavy sense-frivolous sense, such as, is divided into 10 points, allow after being tried to touch target fabric, fabric evaluation is given and divides.
Select 50 subjects, respectively contact brain electric data collecting and hand valuation scoring are carried out to target fabric, all subjects are divided into groups to the evaluation of same target fabric, what hand valuation score was consistent is included into one group, Treatment Analysis is carried out to the eeg data in this group, Treatment Analysis method comprises: use brain electricity analytical software, through removing artefact, digital filtering, stage extraction, baseline correction, the off-line analysis steps such as superposed average, obtain the data after test fabric, using temporal signatures and frequency domain character as the objective evaluation dimension of fabric feeling, eeg data oscillogram when obtaining human body the five fingers contact target fabric and the corresponding relation of textile touch sense.
Using the corresponding relation of the eeg data oscillogram that establishes and textile touch sense as standard, after this brain electric system testing tool electrode cap is worn on people's scalp, after human body the five fingers contact fabric, test is processed to the eeg data in instrument, and compare with the standard eeg data oscillogram established, thus obtain the objective evaluation standard of textile touch sense.
Adopt same instrument, when subject tests, by target fabric and subject's shoulder, back, on front side of large arm, forearm dorsal part, the skin contact friction at the positions such as forearm veutro, fraction time is 5-10 second, for simulating the reciprocation of fabric and skin in clothes wearing process, after this subject is allowed to mark to fabric equally, identical for scoring mark is classified as one group, Treatment Analysis is carried out to the eeg data in this group, using temporal signatures and frequency domain character as the objective evaluation dimension of fabric sense comfortable and easy to wear, the corresponding relation of the eeg data oscillogram that the stimulation that brain when obtaining human contact's target fabric is experienced is formed and fabric sense comfortable and easy to wear, in this, as standard, for measuring the reference standard of the objective evaluation of the sense comfortable and easy to wear of fabric later.
Fig. 1 is the brain wave figure that experimenter one touches real silk fabric and measures.Fig. 2 is the brain wave figure that experimenter one touches dacron and measures.Fig. 1 and Fig. 2 is compared, can find out that same experimenter touches different fabric, distinguish to some extent with the brain wave figure that Neuro-scan brain electric system testing tool is measured.People is when touching different fabrics as can be seen here, and the stimulation that cerebral cortex is subject to is different, and the wave frequency that Neuro-scan brain electric system testing tool is measured and amplitude are also just different.In Fig. 1, the left side longitudinal axis is electrode coordinate, and horizontal ordinate is time coordinate, and the right side longitudinal axis is wave amplitude coordinate.Fig. 3 is the electrode partial enlarged drawing of longitudinal axis positions brain wave office in left side in Fig. 1.Fig. 4 is the wave amplitude partial enlarged drawing of right side longitudinal axis positions brain wave in Fig. 1.Carry out data processing, can obtain in following table.
P2 is second positive wave that external stimulus occurs that before and after 150-300ms, cerebral cortex occurs, the impact of irriate object physical characteristics, and its wave amplitude height represents that brain is to the nervous excitation degree stimulated.Before and after 200ms, by palm grip fabric, induce significant P2 composition, and the wave amplitude of terylene Evoked ptential before and after 200ms and maximal value are all higher than real silk, illustrate that the external physical features of terylene more can cause the excitability of brain, terylene produces comprehensive feel, and comparatively real silk is more strong, infer thus, P2 composition is relevant with the hard and soft sense of fabric, and the fabric that wave amplitude is larger is comparatively stiffening, and the fabric that wave amplitude is less is then more soft.
P3 is the 3rd positive wave that before and after 300ms-600ms, cerebral cortex occurs, because it on average appears at about 300ms, so be also referred to as P300.The beginning going out to represent the end of consciousness, thinking and memory of P3, cannot form P3 under non-attention condition, and its consciousness with people, cognitive psychological process are relevant, belong to endogenous component.Have close ties between P300 irritant reaction ripple and fabric touch, namely the difference of fabric softness corresponds to the difference of P300 wave amplitude, and soft feel, level and smooth and comfortable and easy to wear time P300 fluctuating range lower; Otherwise wave amplitude is higher when feeling coarse, uncomfortable.As can be seen from the above table, the P300 wave amplitude that terylene brings out is apparently higher than real silk, and this illustrates feels more soft and comfortable when tested grasping real silk than grasping terylene.The rule of this and P2 composition has consistance, and the fabric that wave amplitude is less is comparatively soft, and the fabric that wave amplitude is larger is then more stiffening.It can thus be appreciated that the wave amplitude of P2 composition and P3 composition can as judging fabric sofetening, level and smooth or comfortable foundation.Thus the feasibility of provable this method.
Fig. 5 is the brain wave figure that experimenter two touches real silk fabric.Fig. 6 is the brain wave figure that experimenter three touches real silk fabric.Experimenter two and experimenter three touch the consistent experimenter of marking to same real silk fabric, the brain wave figure that these two experimenters touch fabric is compared analysis, frequency and amplitude can be calculated from figure, again by brain electricity analytical software, through removing the off-line analysis steps such as artefact, digital filtering, stage extraction, baseline correction, superposed average, obtain temporal signatures and the frequency domain character of evaluating this oscillogram.Can find, the brain wave temporal signatures of consistent different tests person and frequency domain character be given a mark in same scope to same textile touch, the feasibility of provable this method.
The relevant of technique scheme is explained as follows:
Temporal signatures:
independent variableit is the time, namely
transverse axisit is the time, the longitudinal axis is the change of signal, and the time in the present invention refers on front side of 2-30 second from the human body the five fingers touch fabric or shoulders of human body, back, large arm, the skin at the position such as forearm dorsal part, forearm veutro and clothing in contact rub the 5-10 second started.
Frequency domain character: independent variable is frequency, namely transverse axis is frequency, and the longitudinal axis is this frequency
signalamplitude, namely usually say
spectrogram.Spectrogram describes the frequency structure of signal and the relation of frequency and this frequency signal amplitude.
In sum, the invention provides the method for objectively evaluating of a kind of textile touch feel and sense comfortable and easy to wear, adopt Neuro-scan electroencephalograph system as the method for objectively evaluating evaluating textile touch feel and sense comfortable and easy to wear first, first set up and evaluate textile touch feel, the corresponding relation of the brain wave produced when comfort and human contact's electroencephalograph system, just can directly this electroencephalograph system electrode cap be worn on tester's scalp in test subsequently, by reading human body touch to brain wave during fabric, compare with the standard set up before, obtain the touch feeling of fabric and sense comfortable and easy to wear, the touch feeling of objective appraisal fabric and sense comfortable and easy to wear thus, avoid the otherness that subjective assessment brings, avoid repeatedly a large amount of measurement repeated, make evaluation method easier, evaluation result is more accurate.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (5)
1. a method for objectively evaluating for textile touch feel and sense comfortable and easy to wear, is characterized in that: comprise the following steps:
The first step, is connected the scalp of people with brain electric system testing tool, human contact's target fabric, record cerebral cortex current potential;
Second step, is divided into grade by the physical attribute of target fabric, is divided into a point numeral system from soft feeling-stiffening sense, smooth feeling-harsh feeling, thick and heavy sense-frivolous sense, after being tried to touch target fabric, gives divide fabric evaluation;
3rd step, eeg data and the hand valuation score of target fabric is touched according to subject, all subjects are divided into groups to the evaluation of same fabric, what hand valuation score was consistent is included into one group, Treatment Analysis is carried out to the eeg data in group, using temporal signatures and frequency domain character as the objective evaluation dimension of fabric feeling, the corresponding relation of eeg data oscillogram when obtaining human contact's target fabric and textile touch sense, comfortableness;
4th step, using the eeg data oscillogram that establishes as standard, after this human body is connected with brain electric system testing tool, after human contact's fabric, the eeg data be input in instrument is processed, and compare with the standard eeg data oscillogram established, obtain the objective evaluation standard of fabric.
2. the method for objectively evaluating of a kind of textile touch feel according to claim 1 and sense comfortable and easy to wear, is characterized in that: the human contact position evaluating touch feeling employing is the finger belly position of the five fingers, and the touch time is 2-30 second.
3. the method for objectively evaluating of a kind of textile touch feel according to claim 1 and sense comfortable and easy to wear, it is characterized in that: evaluate that the human contact position that sense comfortable and easy to wear adopts is on front side of shoulder, back, large arm, forearm dorsal part, forearm veutro position, by these area skin and clothing in contact friction, fraction time is 5-10 second.
4. the method for objectively evaluating of a kind of textile touch feel according to claim 1 and sense comfortable and easy to wear, is characterized in that: described brain electric system is Neuro-scan electroencephalograph system, selects 32 crosslinking electrode caps, record cerebral cortex current potential.
5. the method for objectively evaluating of a kind of textile touch feel according to claim 4 and sense comfortable and easy to wear, is characterized in that: described Neuro-scan electroencephalograph systematic sampling rate is 500 ~ 1000Hz, and filter range is 0 ~ 200Hz.
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| CN104374877B (en) * | 2014-11-07 | 2016-07-06 | 东华大学 | A kind of clothing sense of touch based on brain electricity catches stimulator |
| CN106405057B (en) * | 2015-08-03 | 2018-08-14 | 香港纺织及成衣研发中心有限公司 | The feel appraisal procedure and warp knitting method of knitted fabric |
| CN108956959A (en) * | 2018-07-23 | 2018-12-07 | 浙江艾莱依羽绒制品有限公司 | By class product comfort evaluation method and device |
| CN109767088A (en) * | 2018-12-27 | 2019-05-17 | 中国矿业大学 | The quantitative assessment of fabric tactile texture and identifying system based on multi-mode brain-computer interface |
| CN111830241A (en) * | 2019-04-17 | 2020-10-27 | 特步(中国)有限公司 | Method for judging skin-friendly performance of fabric |
| CN111265209A (en) * | 2020-03-14 | 2020-06-12 | 温州大学 | Method for judging wearing comfort level based on electrocardiogram and electroencephalogram |
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