CN103823046A - Method for objectively evaluating touch hand feeling and wearing comfortable sensation of fabric - Google Patents
Method for objectively evaluating touch hand feeling and wearing comfortable sensation of fabric Download PDFInfo
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- 239000004744 fabric Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000035807 sensation Effects 0.000 title abstract description 7
- 210000004556 brain Anatomy 0.000 claims abstract description 36
- 238000011156 evaluation Methods 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 210000004761 scalp Anatomy 0.000 claims abstract description 6
- 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 3
- 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
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 206010001497 Agitation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008433 psychological processes and functions Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention provides a method for objectively evaluating touch hand feeling and wearing comfortable sensation of a fabric. The method for objectively evaluating the touch hand feeling and the wearing comfortable sensation of the fabric comprises the following steps: adopting a Neuro-scan electroencephalograph system, establishing a corresponding relation of the touch hand feeling and comfortable sensation of the evaluated fabric and the electroencephalogram produced when a human body is in contact with the electroencephalograph system, directly connecting the electroencephalograph system with the brain scalp of the human body in the subsequent test, reading the electroencephalogram when the human body touches the fabric, and comparing the electroencephalogram with preestablished standard so as to obtain the touch hand feeling and the wearing comfortable sensation of the fabric. Through the adoption of the method to objectively evaluate the touch hand feeling and the wearing comfortable sensation of the fabric, difference caused by subjective evaluation is avoided, and repeated measurement is avoided, so that the evaluation method is relatively simple and convenient, and the evaluation result is relatively 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 fabric touch feeling and sense comfortable and easy to wear.
Background technology
Whether comfortable when human body is worn clothes, be subject to the combined influence of the complicated factors such as clothes, environment and human body, be the important reflection of comfortable features of clothing, with wearer's mental impression and healthy closely related, even affect its efficiency and work quality.If dress is uncomfortable, can increase the weight of fatigue.The feel of fabric and comfort belong to subjective phenomenon, are the comprehensive of the many factors such as clothes, environment, human body, and the unique method that obtains subjective sensation is application subjective assessment technology.Domestic touch feeling and sense comfortable and easy to wear to fabric now adopts subjective evaluation method always.
Touch feeling to fabric and the subjective evaluation method of sense comfortable and easy to wear are at present: the touch feeling of fabric is divided into several grades, from softness to stiffening, be divided into several grades from smooth to coarse, then multiple testers evaluate fabric, finally evaluation result is added up, obtain subjective assessment result.People's the subjective fairness but subjective assessment result almost places one's entire reliance upon, secondly between people's viewpoint, there is very big-difference, 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's reaction is subject to 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 fabric touch feeling and sense comfortable and easy to wear, for solving prior art, fabric touch feeling and sense comfortable and easy to wear are adopted subjective assessment and have the problem that evaluation result difference is large, final object is just can obtain by being connected with detecting instrument touch sense and the sense comfortable and easy to wear of fabric.
For achieving the above object and other relevant objects, the invention provides the method for objectively evaluating of a kind of fabric touch feeling and sense comfortable and easy to wear, its step comprises the following steps:
The first step, is connected people's scalp with brain electric system testing tool, human body contact target fabric, records 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, is tried to touch after target fabric, and fabric evaluation is given and divided;
The 3rd step, touch eeg data and the hand valuation score of target fabric according to subject, evaluation grouping by all subjects to same fabric, what hand valuation score was consistent is included into one group, eeg data in group is carried out to Treatment Analysis, objective evaluation dimension using temporal signatures and frequency domain character as fabric feeling, the eeg data oscillogram while obtaining human body contact target fabric and fabric touch the corresponding relation of sense, comfortableness;
The 4th step, using the eeg data oscillogram establishing as standard, after this human body is connected with brain electric system testing tool, after human body contact fabric, the eeg data being input in instrument is processed, and compare with the standard eeg data oscillogram establishing, obtain the objective evaluation standard of fabric.
Preferably, the finger belly position that the human body contact site of evaluating touch feeling employing is the five fingers, the touch time is 2-30 second.
Preferably, the human body contact site of evaluating sense employing comfortable and easy to wear is the positions such as shoulder, back, large arm front side, forearm dorsal part, forearm veutro, by these position skins and clothing in contact friction, fraction time is 5-10 second, for simulating the reciprocation of clothes wearing process fabric and skin.
Preferably, described brain electric system is Neuro-scan electroencephalograph system, selects 32 crosslinking electrode caps, records 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 fabric touch feeling 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 of evaluating fabric touch feeling and sense comfortable and easy to wear, model is evaluated fabric touch feeling, the corresponding relation of the brain wave that comfort produces while contacting electroencephalograph system with human body, in test subsequently, just can directly this electroencephalograph system be connected with human body, brain wave when reading human body touch to fabric, compare with the standard of setting up before, obtain touch feeling and the sense comfortable and easy to wear of fabric, the touch feeling of objective appraisal fabric and sense comfortable and easy to wear thus, the otherness of avoiding subjective assessment to bring, avoid repeatedly a large amount of measurements that repeat, make evaluation method easier, evaluation result is more accurate.
Accompanying drawing explanation
Fig. 1 is that experimenter one touches the brain wave figure that real silk fabric is measured.
Fig. 2 is that experimenter one touches the brain wave figure that dacron is measured.
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 explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this instructions below.
Refer to Fig. 1 to Fig. 6.Notice, appended graphic the illustrated structure of this instructions, ratio, size etc., all contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, not in order 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, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this instructions, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
The invention provides the method for objectively evaluating of a kind of fabric touch feeling 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 guarantee 32 crosslinking electrode caps and scalp close contact, and Neuro-scan electroencephalograph systematic sampling rate is 500～1000Hz, filter range is 0～200Hz, human body contact target fabric subsequently, contact site is the finger belly position of the five fingers, and the touch time is 2-30 second, and testing tool records 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, for example, be divided into 10 points, allow and tried to touch after target fabric, fabric evaluation is given and divided.
Select 50 subjects, respectively target fabric is contacted to brain electric data collecting and hand valuation scoring, evaluation grouping by all subjects to same target fabric, what hand valuation score was consistent is included into one group, eeg data in this group is carried out to Treatment Analysis, 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, objective evaluation dimension using temporal signatures and frequency domain character as fabric feeling, eeg data oscillogram while obtaining human body the five fingers contact target fabric and fabric touch the corresponding relation of sense.
The eeg data oscillogram establishing and fabric are touched to the corresponding relation of feeling 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 establishing, touch thereby obtain fabric the objective evaluation standard of feeling.
Adopt same instrument, in the time that subject tests, by target fabric and subject's shoulder, back, large arm front side, 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 clothes wearing process fabric and skin, after this allow equally subject mark to fabric, identical scoring mark is classified as to one group, eeg data in this group is carried out to Treatment Analysis, objective evaluation dimension using temporal signatures and frequency domain character as fabric sense comfortable and easy to wear, the eeg data oscillogram that the stimulation that brain while obtaining human body contact target fabric is experienced forms and the corresponding relation of fabric sense comfortable and easy to wear, using this as standard, for measure the reference standard of the objective evaluation of the sense comfortable and easy to wear of fabric later.
Fig. 1 is that experimenter one touches the brain wave figure that real silk fabric is measured.Fig. 2 is that experimenter one touches the brain wave figure that dacron is measured.By Fig. 1 and Fig. 2 comparison, can find out that same experimenter touches different fabrics, distinguish to some extent with the brain wave figure that Neuro-scan brain electric system testing tool is measured.People is in the time touching different fabrics as can be seen here, the stimulation difference that cerebral cortex is subject to, 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 left side longitudinal axis position brain wave office in Fig. 1.Fig. 4 is the wave amplitude partial enlarged drawing of right side longitudinal axis position brain wave in Fig. 1.Carry out data processing, can obtain in following table.
P2 is that second positive wave that 150-300ms front and back cerebral cortex occurs occurs external stimulus, the impact of irriate object physical characteristics, and its wave amplitude height represents that brain is to the nervous excitation degree stimulating.Before and after 200ms, by palm grip fabric, induce significant P2 composition, and terylene brings out the wave amplitude of current potential and maximal value before and after the 200ms all higher than real silk, illustrates that the external physical features of terylene more can cause the excitability of brain, and it is more strong compared with real silk that terylene produces comprehensive feel, 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 more soft.
P3 is the 3rd positive wave that before and after 300ms-600ms, cerebral cortex occurs, because it on average appears at 300ms left and right, so be also referred to as P300.The beginning of the end that goes out to represent consciousness, thinking and the memory of P3 cannot form P3 under non-attention condition, and it is relevant with people's consciousness, cognitive psychological process, belongs to endogenous component.Between P300 irritant reaction ripple and fabric touch, have close ties, the difference of fabric softness is corresponding to the difference of P300 wave amplitude, and soft feel, P300 fluctuating range when level and smooth and comfortable and easy to wear are lower; Otherwise wave amplitude is higher while 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 explanation feels more soft and comfortable than grasping terylene when tested grasping real silk.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 more stiffening.Hence one can see that, and the wave amplitude of P2 composition and P3 composition can be used as and judges fabric sofetening, level and smooth or comfortable foundation.Thereby 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 is that same real silk fabric is touched to the consistent experimenter of marking with experimenter three, the brain wave figure that these two experimenters are touched to fabric compares analysis, from scheming, can calculate frequency and amplitude, 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 evaluating temporal signatures and the frequency domain character of this oscillogram.Can find, same fabric be touched to the consistent different tests person's of marking brain wave temporal signatures and frequency domain character in same scope, the feasibility of provable this method.
The relevant of technique scheme is explained as follows:
Temporal signatures:
independent variableit is the time,
transverse axisit is the time, the longitudinal axis is the variation of signal, and the time in the present invention refers to and touches the skin at position and the 5-10 seconds of clothing in contact friction beginning such as 2-30 second that fabric starts or shoulders of human body, back, large arm front side, forearm dorsal part, forearm veutro from the human body the five fingers.
Frequency domain character: independent variable is frequency, transverse axis is frequency, the longitudinal axis is this frequency
signalamplitude, namely conventionally say
spectrogram.Spectrogram has been described 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 fabric touch feeling and sense comfortable and easy to wear, adopt first Neuro-scan electroencephalograph system as the method for objectively evaluating of evaluating fabric touch feeling and sense comfortable and easy to wear, model is evaluated fabric touch feeling, the corresponding relation of the brain wave that comfort produces while contacting electroencephalograph system with human body, in test subsequently, just can directly this electroencephalograph system electrode cap be worn on tester's scalp, brain wave when reading human body touch to fabric, compare with the standard of setting up before, obtain touch feeling and the sense comfortable and easy to wear of fabric, the touch feeling of objective appraisal fabric and sense comfortable and easy to wear thus, the otherness of avoiding subjective assessment to bring, avoid repeatedly a large amount of measurements that repeat, make evaluation method easier, evaluation result is more accurate.So the present invention has effectively overcome 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 can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (5)
1. a method for objectively evaluating for fabric touch feeling and sense comfortable and easy to wear, is characterized in that: comprise the following steps:
The first step, is connected people's scalp with brain electric system testing tool, human body contact target fabric, records 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, is tried to touch after target fabric, and fabric evaluation is given and divided;
The 3rd step, touch eeg data and the hand valuation score of target fabric according to subject, evaluation grouping by all subjects to same fabric, what hand valuation score was consistent is included into one group, eeg data in group is carried out to Treatment Analysis, objective evaluation dimension using temporal signatures and frequency domain character as fabric feeling, the eeg data oscillogram while obtaining human body contact target fabric and fabric touch the corresponding relation of sense, comfortableness;
The 4th step, using the eeg data oscillogram establishing as standard, after this human body is connected with brain electric system testing tool, after human body contact fabric, the eeg data being input in instrument is processed, and compare with the standard eeg data oscillogram establishing, obtain the objective evaluation standard of fabric.
2. the method for objectively evaluating of a kind of fabric touch feeling according to claim 1 and sense comfortable and easy to wear, is characterized in that: the finger belly position that the human body contact site of evaluating touch feeling employing is the five fingers, the touch time is 2-30 second.
3. the method for objectively evaluating of a kind of fabric touch feeling according to claim 1 and sense comfortable and easy to wear, it is characterized in that: the human body contact site of evaluating sense employing comfortable and easy to wear is the positions such as shoulder, back, large arm front side, forearm dorsal part, forearm veutro, by these position skins and clothing in contact friction, fraction time is 5-10 second.
4. the method for objectively evaluating of a kind of fabric touch feeling 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, records cerebral cortex current potential.
5. the method for objectively evaluating of a kind of fabric touch feeling 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104076133A (en) * | 2014-07-22 | 2014-10-01 | 苏州大学 | Wear contact feeling determination device and method |
| CN104374877A (en) * | 2014-11-07 | 2015-02-25 | 东华大学 | Clothes touch capture stimulator based on electroencephalogram |
| WO2017020331A1 (en) * | 2015-08-03 | 2017-02-09 | 香港纺织及成衣研发中心有限公司 | Hand-feel evaluation method for warp-knitting fabric, and warp-knitting method |
| 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 |
| CN111265209A (en) * | 2020-03-14 | 2020-06-12 | 温州大学 | Method for judging wearing comfort level based on electrocardiogram and electroencephalogram |
| CN111830241A (en) * | 2019-04-17 | 2020-10-27 | 特步(中国)有限公司 | Method for judging skin-friendly performance of fabric |
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2014
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076133A (en) * | 2014-07-22 | 2014-10-01 | 苏州大学 | Wear contact feeling determination device and method |
| CN104374877A (en) * | 2014-11-07 | 2015-02-25 | 东华大学 | Clothes touch capture stimulator based on electroencephalogram |
| 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 |
| WO2017020331A1 (en) * | 2015-08-03 | 2017-02-09 | 香港纺织及成衣研发中心有限公司 | Hand-feel evaluation method for warp-knitting fabric, and warp-knitting method |
| CN106405057A (en) * | 2015-08-03 | 2017-02-15 | 香港纺织及成衣研发中心有限公司 | Assessment method for hand feeling of warp-knitted fabric and warp knitting method |
| 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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