CN116439666A - System for quantitatively researching influence of ice and snow sport gloves on touch force sense of wearer - Google Patents

System for quantitatively researching influence of ice and snow sport gloves on touch force sense of wearer Download PDF

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CN116439666A
CN116439666A CN202310380932.2A CN202310380932A CN116439666A CN 116439666 A CN116439666 A CN 116439666A CN 202310380932 A CN202310380932 A CN 202310380932A CN 116439666 A CN116439666 A CN 116439666A
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probe
judgment
tester
shape
size
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CN116439666B (en
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陈骐
刘泳庆
郭洪海
孙利鑫
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CHINA INSTITUTE OF SPORT SCIENCE
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4824—Touch or pain perception evaluation
    • A61B5/4827—Touch or pain perception evaluation assessing touch sensitivity, e.g. for evaluation of pain threshold
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
    • A61B5/224—Measuring muscular strength
    • A61B5/225—Measuring muscular strength of the fingers, e.g. by monitoring hand-grip force
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A61B5/6806—Gloves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2503/00—Evaluating a particular growth phase or type of persons or animals
    • A61B2503/10—Athletes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pain & Pain Management (AREA)
  • Psychiatry (AREA)
  • Hospice & Palliative Care (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention provides a system for quantitatively researching the influence of ice and snow sports gloves on the touch force sense of a wearer, which comprises the following components: the device comprises a control device, a touch force sense probe device, a measuring device and intelligent equipment; the control device is used for setting and controlling the touch force sense probe device to change the detection position and sequence and change the detection probes with different shapes and sizes; the tactile force sense probe device is used for controlling probe probes with different shapes and sizes according to the control of the control device and detecting a plurality of measuring points of the palm of a tester wearing the glove for ice and snow exercise; measuring means for measuring actual pressure values applied to respective measurement points on the palm of the tester; the intelligent device is used for displaying a hand diagram of a test scene to a tester, marking the hand diagram according to the shape and the size of the probe which is perceived and subjectively judged by the tester, and quantitatively researching the influence of the ice and snow sport glove on the touch sensation and the force sensation of a wearer according to the measured pressure value.

Description

System for quantitatively researching influence of ice and snow sport gloves on touch force sense of wearer
Technical Field
The invention relates to the technical field of sports equipment, in particular to a system for quantitatively researching the influence of ice and snow sports gloves on the touch sensation and the force sensation of a wearer.
Background
Ice and snow movements are generally performed in a low temperature environment. In a low temperature environment, the sense of touch of the human hand to an external object, and the sense of external force (sense of force) may be affected. Especially the touch to small objects of volume and the sensation of weak strength, the sensitivity thereof is reduced. The sensation of force variation is also affected. In ice and snow sports in a low temperature environment, a person's hand needs to make contact with and operate other equipment and devices, for example, to replace an ice and snow sport mirror lens, operate a hand-held smart device, and the like. After the glove for ice and snow sports is worn, if the influence on the touch force sense of the hand is small, an ice and snow player can operate quickly, flexibly and stably without taking off the glove, and the hand is protected very favorably. In order to better provide data support for the selection, special customization, design and research of the ice and snow sport glove, the influence of the ice and snow sport glove of different brands and models on the hands of a sporter and the difference of touch force sense of different areas of the hands after wearing the ice and snow sport glove need to be more accurately and quantitatively researched.
Disclosure of Invention
The invention provides a system for quantitatively researching the influence of ice and snow sport gloves on the touch and force sense of a wearer, which is used for quantitatively researching the influence of ice and snow sport gloves on the touch and force sense of the wearer. The technical scheme is as follows:
the invention provides a system for quantitatively researching the influence of ice and snow sports gloves on the touch force sense of a wearer, which comprises the following components: the device comprises a control device, a touch force sense probe device, a measuring device and intelligent equipment;
the control device is used for setting and controlling the touch force sense probe device to change the detection position and sequence and change the detection probes with different shapes and sizes;
the touch force sense probe device is used for controlling probe probes with different shapes and sizes according to the control of the control device and detecting a plurality of measuring points of the palm of a tester wearing the ice and snow sports glove;
the measuring device is used for measuring actual pressure values applied to all measuring points on the palm of the tester;
the intelligent device is used for displaying a hand diagram of a test scene to a tester, marking the hand diagram according to the shape and the size of the probe which are perceived and subjectively judged by the tester, and quantitatively researching the influence of the ice and snow sport glove on the touch sensation and the force sensation of a wearer according to the actual pressure value measured by the measuring device.
Optionally, the system is provided with a plurality of tactile force sense probe devices to form a multi-probe assembly, and the distance and the position are adjusted according to the test requirement, and a plurality of measurement points of the palm or the back of the hand are tested at the same time.
Optionally, the tactile sensation detection probe device selects detection probes with different shapes and sizes according to the setting of the control device to carry out detection measurement.
Optionally, the tactile-force sensing probe device includes: probe tray 1, three different shapes and sizes of probe heads: the probe comprises a round probe 2-1, a rectangular probe 2-2, a triangular probe 2-3, a servo motor 3, a probe bracket 4, two stepping motors 5 and 6 and a probe telescopic motor 7;
the stepping motor 5 controls the probe bracket 4 to move to the controlled measuring position along the finger direction, the probe bracket 4 is respectively provided with a round probe 2-1, a rectangular probe 2-2 and a triangular probe 2-3, and each probe is respectively provided with 8 different sizes; the servo motor 3 controls the rotation of the probe tray 1 to rotate the probe with the selected size to the position above the selected measuring point; the stepping motor 6 controls the probe telescopic motor 7 to move above the selected measuring point, and then pushes the probe with the selected size to apply pressure to the measuring point;
after the tester senses the pressure, the shape and size of the probe which is sensed and subjectively judged are marked on the intelligent device.
Optionally, the measuring means comprises a plurality of pressure sensors, in use, mounted at one or more measurement points within the glove for ice and snow movement where measurements are required.
Optionally, the intelligent device is further configured to display a measurement point where the probe is located to the tester, and when the probe starts to contact the palm of the tester, mark the test subject on the display screen of the intelligent device according to the subjective feeling of the tester on the initial compression, and receive the pressure value measured by the measurement device at the moment.
Optionally, under the drive of a program set by the control device, the tactile-force sensing probe device controls probe probes with different shapes and sizes to perform detection on the same specific measuring point or a plurality of measuring points;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining a shape judgment difference delta s between the shape of the actual probe and subjective feeling and judgment of a tester, a size judgment difference delta d between the size of the actual probe and subjective feeling and judgment of the tester, and an initial compression feeling pressure value p f And initially a pressure value p at which the shape of the probe can be determined s And p f And (3) with P is p s The difference Δp;
the accuracy of the tester's haptic sensation judgment is calculated according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, and the size coefficients are respectively marked as d i =1, 2,3, n, the size judgment difference between the judgment size and the actual size of the tester is Deltad;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Proceeding withThe standard, i=1, 2, once again, n, get Andi=1, 2,..n, and form a normalized data matrix P, as follows:
and (3) calculating:
calculating the P of the data matrix P of the ice and snow sport gloves with different brands or models according to the formula (1) F ，P F The small matrix has high judgment accuracy of a tester, and the ice and snow sport glove has small influence on the touch force sense of the hand of the wearer; p (P) F The large matrix has low judgment accuracy of a tester, and the ice and snow sport glove has large influence on the touch force sense of the hand of the wearer.
Optionally, under the drive of a program set by the control device, the touch force sense probe device controls probe probes with different shapes and sizes to detect a plurality of measuring points simultaneously or sequentially;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining a shape judgment difference delta s between the shape of the actual probe and subjective feeling and judgment of a tester, a size judgment difference delta d between the size of the actual probe and subjective feeling and judgment of the tester, and an initial compression feeling pressure value p f And initially can distinguish the probePressure value p at head shape s And p f And p is as follows s The difference Δp;
the accuracy of the haptic sensation judgment of the different measurement points is calculated and compared according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, and the size coefficients are respectively marked as d i =1, 2,3, n, the size judgment difference between the judgment size and the actual size of the tester is Deltad;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Normalized, i=1, 2, n, gives Andi=1, 2,..n, and form normalized data vector a i The following are provided:
calculating the modulo length |A of each data vector i |,i＝1,2,3,...,n；
And if the model length is small, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is small, and if the model length is large, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is large, so that the judgment accuracy of the tactile sensation of the ice and snow sport glove to the different palm or back of the hand region is quantitatively researched.
Optionally, for a specific measurement point of the palm or the back of the hand of the tester, under the drive of the program set by the control device, the touch force sense probe device controls n probe probes with different shapes and sizes to alternately detect the measurement point;
the intelligent device is specifically configured to:
recording actual shape values s of various probes i Actual size value d of multiple probes i The method comprises the steps of carrying out a first treatment on the surface of the Sensed pressure value p of initial compression fi And initially a pressure value p at which the shape of the probe can be determined si ；
Study with pressure value p si As dependent variable, in s i 、d i 、p fi A regression model that is an independent variable, the regression model being a multiple linear regression model or a nonlinear regression model;
for the above n sets of probe and measurement data (s i 、d i 、p fi ；p si ) I=1, 2,3, n, the linear regression model form is expressed as:
wherein ≡ 0 ，∝ 1 ，∝ 2 ，∝ 3 ，∝ 4 As regression coefficient epsilon i Is a random error;
and a nonlinear regression model, labeled p si ＝f(s i ,d i ,p fi ,∝)+ε i I=1, 2, n, wherein ∈is a regression coefficient vector i Is a random error;
the regression model of different measuring points is used for researching the change trend of the ice and snow sport glove at the measuring points on the haptic and force sense influence of the hand, and provides data support and basis for special customization of the ice and snow sport glove.
Compared with the prior art, the technical scheme has at least the following beneficial effects:
1) The invention can quantitatively study the accuracy of the shape and the size judgment of the hands on the external object after the gloves are worn.
2) The invention can quantitatively study the accuracy of judging the pressure exerted by the hand on the external object after the glove is worn by the ice and snow sports glove.
3) The invention can quantitatively classify the influence of ice and snow sports gloves of different brands and models on the accuracy of judging the shape and the size of external objects by the hands of a wearer.
4) The invention can quantitatively classify the influence of ice and snow sports gloves of different brands and models on the accuracy of judging the pressure of external objects by the hands of a wearer.
5) The invention can be used for researching a regression model of the accuracy of the physical sense and the touch judgment of the external object at a specific measuring part when a tester wears ice and snow sports gloves with different brands and models.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a system for quantitatively researching the influence of ice and snow sport gloves on the touch sensation and the force sensation of a wearer according to an embodiment of the invention;
FIG. 2 is a schematic diagram of hand pressure measurement according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a multi-probe assembly provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a tactile-force sensing probe device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
As shown in FIG. 1, an embodiment of the present invention provides a system 100 for quantitatively studying the effect of a glove for ice and snow sports on the tactile sensation of a wearer, comprising: a control device 110, a touch force sense probe device 120, a measuring device 130 and an intelligent device 140;
the control device 110 is configured to set and control the tactile-force sensing probe device 120 to change the sensing position and sequence, and change the sensing probes with different shapes and sizes;
the control device 110 can control the motor in the tactile-force sensing probe device 120 in a programmable manner through system software to realize the movement of the position of the probe and the replacement of probes with different shapes and sizes.
The tactile sensation detection probe device 120 is used for controlling detection probes with different shapes and sizes according to the control of the control device 110, and detecting a plurality of measurement points of the palm of a tester wearing the glove for ice and snow exercise;
the measuring device 130 is used for measuring actual pressure values applied to each measuring point on the palm of the tester;
as shown in fig. 2, the intelligent device 140 is configured to display a hand diagram of a test scene to a tester, so that the tester can identify the hand diagram according to the shape and size of the probe that he experiences and subjectively judges, and quantitatively study the influence of the ice and snow sport glove on the touch sensation and the force sensation of the wearer according to the actual pressure value measured by the measuring device 130.
Optionally, as shown in fig. 3, the system is provided with a plurality of tactile-force sensing probe devices to form a multi-probe assembly, and the spacing and the position are adjusted according to the testing requirement, and a plurality of measuring points of the palm or the back of the hand are tested at the same time.
Optionally, the tactile sensation detection probe device selects detection probes with different shapes and sizes according to the setting of the control device to carry out detection measurement.
Optionally, as shown in fig. 4, the tactile-force sensing probe apparatus includes: probe tray 1, three different shapes and sizes of probe heads: the probe comprises a round probe 2-1, a rectangular probe 2-2, a triangular probe 2-3, a servo motor 3, a probe bracket 4, two stepping motors 5 and 6 and a probe telescopic motor 7;
the stepping motor 5 controls the probe bracket 4 to move to the controlled measuring position along the finger direction, the probe bracket 4 is respectively provided with a round probe 2-1, a rectangular probe 2-2 and a triangular probe 2-3, and each probe is respectively provided with 8 different sizes, for example, the diameters of the round probes are respectively 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm and 9mm; the width of the rectangular probe is 2mm, the length of the rectangular probe is 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm and 9mm, the triangular probe is an equilateral triangle, and the side lengths of the triangular probe are 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm and 9mm respectively; the servo motor 3 controls the rotation of the probe tray 1 to rotate the probe with the selected size to the position above the selected measuring point; the stepping motor 6 controls the probe telescopic motor 7 to move above the selected measuring point, and then pushes the probe with the selected size to apply pressure to the measuring point;
after the tester senses the pressure, the shape and size of the probe which is sensed and subjectively judged are marked on the intelligent device.
Optionally, the measuring means comprises a plurality of pressure sensors, in use, mounted at one or more measurement points within the glove for ice and snow movement where measurements are required. The specific number and location may be determined based on measurement requirements. .
The measuring device can transmit the measured pressure value to the intelligent equipment in a wired or wireless communication mode, and system software in the intelligent equipment is used for collecting, recording and calculating.
Optionally, the intelligent device is further configured to display a measurement point where the probe is located to the tester, and when the probe starts to contact the palm of the tester, mark the test subject on the display screen of the intelligent device according to the subjective feeling of the tester on the initial compression, and receive the pressure value measured by the measurement device at the moment.
Optionally, under the drive of a program set by the control device, the tactile-force sensing probe device controls probe probes with different shapes and sizes to perform detection on the same specific measuring point or a plurality of measuring points;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining a shape judgment difference delta s between the shape of the actual probe and subjective feeling and judgment of a tester, a size judgment difference delta d between the size of the actual probe and subjective feeling and judgment of the tester, and an initial compression feeling pressure value p f And initially a pressure value p at which the shape of the probe can be determined s And p f And p is as follows s The difference Δp;
the accuracy of the tester's haptic sensation judgment is calculated according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, and the size coefficients are respectively marked as d i The size judgment difference between the judgment size of the tester and the actual size is Δd, for example, the actual size coefficient d=3 of the probe, and the judgment size coefficient d=1 of the tester, Δd=3-1=2;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Normalized, i=1, 2, n, gives Andi=1, 2,..n, and form a normalized data matrix P, as follows:
and (3) calculating:
calculating the P of the data matrix P of the ice and snow sport gloves with different brands or models according to the formula (1) F ，P F The small matrix has high judgment accuracy of a tester, and the ice and snow sport glove has small influence on the touch force sense of the hand of the wearer; p (P) F The large matrix has low judgment accuracy of a tester, and the ice and snow sport glove has large influence on the touch force sense of the hand of the wearer.
Optionally, under the drive of a program set by the control device, the touch force sense probe device controls probe probes with different shapes and sizes to detect a plurality of measuring points simultaneously or sequentially;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining the shape of the actual probe and subjective feeling of a tester and judgingThe shape judgment difference deltas of the test probe, the size judgment difference deltad of the actual probe size and the subjective feeling and judgment of the tester, and the feeling pressure value p of the initial compression f And initially a pressure value p at which the shape of the probe can be determined s And p f And p is as follows s The difference Δp;
the accuracy of the haptic sensation judgment of the different measurement points is calculated and compared according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, and the size coefficients are respectively marked as d i The size judgment difference between the judgment size of the tester and the actual size is Δd, for example, the actual size coefficient d=3 of the probe, and the judgment size coefficient d=1 of the tester, Δd=3-1=2;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Normalized, i=1, 2, n, gives Andi=1, 2,..n, and form normalized data vector a i The following are provided:
calculating the modulo length |A of each data vector i |,i＝1,2,3,...,n；
And if the model length is small, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is small, and if the model length is large, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is large, so that the judgment accuracy of the tactile sensation of the ice and snow sport glove to the different palm or back of the hand region is quantitatively researched.
Optionally, for a specific measurement point of the palm or the back of the hand of the tester, under the drive of the program set by the control device, the touch force sense probe device controls n probe probes with different shapes and sizes to alternately detect the measurement point;
the intelligent device is specifically configured to:
recording actual shape values s of various probes i Actual size value d of multiple probes i The method comprises the steps of carrying out a first treatment on the surface of the Sensed pressure value p of initial compression fi And initially a pressure value p at which the shape of the probe can be determined si ；
Study with pressure value p si As dependent variable, in s i 、d i 、p fi A regression model that is an independent variable, the regression model being a multiple linear regression model or a nonlinear regression model;
for the above n sets of probe and measurement data (s i 、d i 、p fi ；p si ) I=1, 2,3, n, the linear regression model form is expressed as:
wherein ≡ 0 ，∝ 1 ，∝ 2 ，∝ 3 ，∝ 4 As regression coefficient epsilon i Is a random error;
and a nonlinear regression model, labeled p si ＝f(s i ,d i ,p fi ,∝)+ε i I=1, 2, n, wherein ∈is a regression coefficient vector i Is a random error;
the regression model of different measuring points is used for researching the change trend of the ice and snow sport glove at the measuring points on the haptic and force sense influence of the hand, and provides data support and basis for special customization of the ice and snow sport glove.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (9)

1. A system for quantitatively studying the effect of a snowy athletic glove on the tactile sensation of a wearer, comprising: the device comprises a control device, a touch force sense probe device, a measuring device and intelligent equipment;
the control device is used for setting and controlling the touch force sense probe device to change the detection position and sequence and change the detection probes with different shapes and sizes;
the touch force sense probe device is used for controlling probe probes with different shapes and sizes according to the control of the control device and detecting a plurality of measuring points of the palm of a tester wearing the ice and snow sports glove;
the measuring device is used for measuring actual pressure values applied to all measuring points on the palm of the tester;
the intelligent device is used for displaying a hand diagram of a test scene to a tester, marking the hand diagram according to the shape and the size of the probe which are perceived and subjectively judged by the tester, and quantitatively researching the influence of the ice and snow sport glove on the touch sensation and the force sensation of a wearer according to the actual pressure value measured by the measuring device.
2. The system of claim 1, wherein said system provides a plurality of said tactile-force probe means forming a multi-probe assembly and adjusting spacing and position according to test requirements while testing a plurality of measurement points of the palm or back of the hand.
3. The method according to claim 1, wherein the tactile-force sensing probe device selects probe heads with different shapes and sizes according to the setting of the control device to perform the sensing measurement.
4. The method of claim 1, wherein the haptic force sense probe device comprises: probe tray 1, three different shapes and sizes of probe heads: the probe comprises a round probe 2-1, a rectangular probe 2-2, a triangular probe 2-3, a servo motor 3, a probe bracket 4, two stepping motors 5 and 6 and a probe telescopic motor 7;
the stepping motor 5 controls the probe bracket 4 to move to the controlled measuring position along the finger direction, the probe bracket 4 is respectively provided with a round probe 2-1, a rectangular probe 2-2 and a triangular probe 2-3, and each probe is respectively provided with 8 different sizes; the servo motor 3 controls the rotation of the probe tray 1 to rotate the probe with the selected size to the position above the selected measuring point; the stepping motor 6 controls the probe telescopic motor 7 to move above the selected measuring point, and then pushes the probe with the selected size to apply pressure to the measuring point;
after the tester senses the pressure, the shape and size of the probe which is sensed and subjectively judged are marked on the intelligent device.
5. The system of claim 1, wherein the measuring means comprises a plurality of pressure sensors, in use, mounted at one or more measurement points of a desired measurement within the ice and snow sport glove.
6. The system of claim 1, wherein the smart device is further configured to display a measurement point where the probe is located to the tester, and when the probe begins to contact the palm of the tester, to identify on a display screen of the smart device based on subjective feelings of the tester about initial compression, and to receive the pressure value measured by the measurement device at that time.
7. The system according to claim 6, wherein the tactile-force probe device controls probe probes of different shapes and sizes to perform probing to the same specific measurement point or points under the drive of the program set by the control device;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining a shape judgment difference delta s between the shape of the actual probe and subjective feeling and judgment of a tester, a size judgment difference delta d between the size of the actual probe and subjective feeling and judgment of the tester, and an initial compression feeling pressure value p f And initially a pressure value p at which the shape of the probe can be determined s And p f And p is as follows s The difference Δp;
the accuracy of the tester's haptic sensation judgment is calculated according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, and the size coefficients are respectively marked as d i =1, 2,3, n, the size judgment difference between the judgment size and the actual size of the tester is Deltad;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Normalized, i=1, 2, n, gives Andand forms a normalized data matrix P as follows:
and (3) calculating:
calculating the P of the data matrix P of the ice and snow sport gloves with different brands or models according to the formula (1) F ，P F The small matrix has high judgment accuracy of a tester, and the ice and snow sport glove has small influence on the touch force sense of the hand of the wearer; p (P) F The large matrix has low judgment accuracy of a tester, and the ice and snow sport glove has large influence on the touch force sense of the hand of the wearer.
8. The system according to claim 6, wherein the tactile-force sensing probe device controls the sensing probes of different shapes and sizes to sense to a plurality of measuring points simultaneously or sequentially under the driving of the program set by the control device;
the intelligent device is specifically configured to:
recording the shape and the size of an actual probe, and recording the subjective feeling of a tester and judging the shape and the size of the actual probe;
determining the shape judgment difference delta s between the shape of the actual probe and subjective feeling and judgment of the tester, the size judgment difference delta d between the size of the actual probe and subjective feeling and judgment of the tester, and the initial timePressure value p of initial pressure f And initially a pressure value p at which the shape of the probe can be determined s And p f And p is as follows s The difference Δp;
the accuracy of the haptic sensation judgment of the different measurement points is calculated and compared according to the following algorithm:
when the test person has a difference between the judgment of the probe shape and the actual shape, the shape judgment difference deltas is deltas=1; when no deviation exists, delta s=0 is calculated;
according to the test requirement, the probes with the same shape are manufactured according to a plurality of different sizes, the size coefficients are respectively marked as d i =1, 2,3, n, the size judgment difference between the judgment size and the actual size of the tester is Deltad;
the perceived pressure value of the initial compression of each measuring point is p f And an initial pressure value p at which the probe shape can be discriminated s ，p f And p is as follows s The difference is the initial pressure judgment difference Δp;
assuming that the number of measurement points is n, the shape judgment difference deltas obtained by the test is i Difference Δd in size judgment i 、p fi 、p si Initial pressure judgment difference Δp i Normalized, i=1, 2, n, gives Andand form normalized data vector A i The following are provided:
calculating the modulo length |A of each data vector i |,i＝1,2,3,...,n；
And if the model length is small, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is small, and if the model length is large, the judgment deviation of the tactile sensation of the palm or the back of the hand region of the measuring point corresponding to the vector is large, so that the judgment accuracy of the tactile sensation of the ice and snow sport glove to the different palm or back of the hand region is quantitatively researched.
9. The system according to claim 6, wherein the tactile force probe device controls n probe probes of different shapes and sizes for a specific measuring point of the palm or the back of the hand of the tester under the drive of the program set by the control device, and the n probe probes are alternately detected to the measuring point;
the intelligent device is specifically configured to:
recording actual shape values s of various probes i Actual size value d of multiple probes i The method comprises the steps of carrying out a first treatment on the surface of the Sensed pressure value p of initial compression fi And initially a pressure value p at which the shape of the probe can be determined si ；
Study with pressure value p si As dependent variable, in s i 、d i 、p fi A regression model that is an independent variable, the regression model being a multiple linear regression model or a nonlinear regression model;
for the above n sets of probe and measurement data (s i 、d i 、p fi ；p si ) I=1, 2,3, n, the linear regression model form is expressed as:
wherein ≡ 0 ，∝ 1 ，∝ 2 ，∝ 3 ，∝ 4 As regression coefficient epsilon i Is a random error;
and a nonlinear regression model, labeled p si ＝f(s i ,d i ,p fi ,∝)+ε i I=1, 2, n, where oc is the regression coefficientVector epsilon i Is a random error;
the regression model of different measuring points is used for researching the change trend of the ice and snow sport glove at the measuring points on the haptic and force sense influence of the hand, and provides data support and basis for special customization of the ice and snow sport glove.
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