CN105784205B - Motor behavior, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system and method - Google Patents
Motor behavior, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system and method Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
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Abstract
The invention discloses a kind of motor behavior, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system and methods, cover charge measurement sensors and the digital charge meter of metallic film using a kind of upper and lower surface to realize that the measurement of electricity is sent a telegraph in contact；The measurement of Contact reaction-force is realized using a kind of high-precision resistance-strain type three-dimensional force sensor；The top that charge measurement sensors are fixed on force snesor is constituted into a measuring unit, after animal hapteron and charge measurement sensors contact, Contact reaction-force can be obtained with synchro measure and electricity is sent a telegraph in contact；The measuring unit can be embedded in the moving conduit bottom set to be used alone when measurement, one can also be constructed and used completely by the moving conduit that measuring unit is spliced into.The present invention can send a telegraph phenomenal research suitable for animal movement analysis and contact with the behavior of synchronism detection animal movement, Contact reaction-force and contact charge.
Description
Technical field
The invention belongs to be used for behavior, power and electricity synchronous measurement technique field, and in particular to a kind of animal movement behavior,
Counter-force and the contact-friction amount of sending a telegraph synchronized measurement system and method.
Background technique
Electricity is physical phenomenon caused by static or mobile charge, and in the Nature, there are many widely known electricity effects
It answers, such as lightning, triboelectrification, electrostatic induction, electromagnetic induction etc..Friction send a telegraph be electricity research beginning, research shows that
Intensity that different materials are charged by friction, electrification polarity are different；But exposure parameter (power, relative velocity, contact surface state etc.) is to rubbing
The influence sent a telegraph is wiped to understand not enough.During animal movement hapteron inevitably to contact with each other with movement environment,
Friction changes the required movement counter-force of its movement to obtain.Since a kind of generally existing phenomenon in nature is sent a telegraph in contact, that
Does is the hapteron of animal that apparent contact charge can be generated during environmental interaction? if can actually
Contact charge is generated, are these charges acted on ambient enviroment field force and be had an impact again to attachment? these problems are still
Unknown.
Chinese Patent Application No. are as follows: CN200810156169.0, the entitled " test of animal foot-face contact counter force
Method and system " have successfully solved the problems, such as animal movement behavior and reversing of motion power synchronism detection.On this basis, this hair
Bright key is to solve the test of contact charge and its stationary problem with mechanical test.
For contacting charge measurement, usual way is to be measured after the completion of contact and friction using charge detecting device
Charge.As long as the time theoretically measured twice is short enough, charge scatter and disappear it is sufficiently small, then the result measured is to a certain extent
It is believable.However this method is worthless in true operation, firstly, the operation separately measured is extremely difficult；Secondly,
The time measured twice can not accomplish short enough, time-lag effect and Jie such as object under test and air in measurement transfer process
The interaction of matter can make the charge dissipation on object under test, and measurement is caused to be distorted, and error is difficult to determine.In addition, most widely used
General Faraday cup is also infeasible to problem set forth above, because Faraday cup is difficult to the channel as animal movement.
Summary of the invention
Above-mentioned the deficiencies in the prior art are directed to, the purpose of the present invention is to provide a kind of motor behavior, counter-force and are connect
Touching-friction the amount of sending a telegraph synchronized measurement system and method, in the prior art can not be to animal movement behavior, movement counter-force with solution
The synchronism detection problem sent a telegraph with contact.
In order to achieve the above objectives, a kind of motor behavior of the invention, counter-force and contact-the friction amount of sending a telegraph synchro measure system
System, comprising: bracket is installed on rotatable moving conduit on bracket；Moving conduit has embedded power and contact-friction electrical measurement
Unit；Power and contact-friction electrical measurement unit mechanical signal pass through the first signal of mechanical signal conditioning module and computer
Collection terminal is connected；Power and contact-friction electrical measurement unit electric signal are adopted by the second signal of digital charge meter and computer
Collect end to be connected, two groups of signals are synchronous；Moving conduit, power and contact-friction electrical measurement unit are completely encapsulated in metallic shield net
In；
Above-mentioned power and contact-friction electrical measurement unit signal and the high-speed camera system being placed in immediately ahead of moving conduit
The signal of system is synchronous, and high speed video system is connected with the third signal acquisition terminal of computer.
Preferably, above-mentioned power and contact-friction electrical measurement unit are arranged on moving conduit in array n × m.
Preferably, above-mentioned power and contact-friction electrical measurement unit are by precision resister strain-type three-dimensional force sensor and admittedly
It is scheduled on the charge measurement sensors composition on its top；Guarantee the top surface of charge measurement sensors and the surface of moving conduit when installation
It flushes；According to measurement request in the embedded one or more power in moving conduit bottom and contact-friction electrical measurement unit.
Preferably, the charge measurement sensors in above-mentioned power and contact-friction electrical measurement unit are normal by the dielectric of square
The dielectric sheet of number very little and its metallic film of surface covering form, respectively the lower surface from upper layer metallic film and lower layer
The lower surface lead of metallic film is as signal wire.
Preferably, above-mentioned charge measurement sensors not only act as charge measurement sensors in structure, but also act as power
Carrying tablet in measuring system.
Preferably, the metal foil of the upper surface of above-mentioned power and the charge measurement sensors in contact-friction electrical measurement unit
Need to cover one layer of tens microns of thick material according to test on film, hapteron directly rubs with material when animal movement
It wipes, without directly being contacted with metallic film.
Preferably, above-mentioned material is a kind of replaceable thin-film material.
Preferably, acquisition is synchronized to high-speed camera video, mechanical signal and electric signal by computer.
The present invention also provides a kind of motor behavior, counter-force and contact-the friction amount of sending a telegraph method for synchronously measuring, including step
It is as follows:
Step 1: opening power supply and carry out system initialization；
Step 2: adjusting moving conduit to reach the angle of needs；
Step 3: initialization high speed video system, power and contact-friction electrical measurement unit；
Step 4: being simultaneously emitted by one to high speed video system, power and contact-friction electrical measurement unit by computer interface
A high level signal starts synchronous acquisition process when above-mentioned three receives high level signal；
Step 5: the data kept records of after allowing animal to pass through out of channel；Step 2 is repeated if being not finished, and is otherwise being counted
It checked on calculation machine, analyze the data saved.
Preferably, it the initialization procedure of 3 high speed camera system of above-mentioned steps: focuses reach the clear of needs first
Then degree and resolution ratio adjust the brightness that light source reaches needs；Next it sets high speed video system to being continuously shot state.
Preferably, power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: first detect whether
There is signal output, then force snesor is demarcated, next removes zero due to caused by channel rotation, temperature drift factor
Output, finally sets continuous acquisition state for power acquisition unit.
Preferably, power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: detection signal first is defeated
It is whether continuous out, then charge acquisition module is demarcated, is finally continuous acquisition state by charge capture setting.
Beneficial effects of the present invention:
Mechanical meaurement system and electrical measurement system have been carried out integrated processing by the present invention, will be used for the charge of charge measurement
The multi-dimension force sensor of measurement sensor and dynamometry is directly connected to, and makes charge measurement sensors not only as the one of charge measurement
Part, also assumes responsibility for the effect of power transmitting, and this frame mode ensure that contact force and contact synchronism of the charge when generating；
It is truly realized synchronous acquisition, display and the analysis of mechanical signal and two kinds of signals of electrical signal；In addition, also on computers
Generate trigger signal, synchronous triggering high speed video system, power acquisition system and charge acquisition system.
Detailed description of the invention
Fig. 1 is painted the structural schematic diagram of present system；
Fig. 2 is painted power and contact-friction electrical measurement unit structural schematic diagram in the present invention；
Fig. 3 is painted the structural schematic diagram of charge measurement sensors in the present invention；
Fig. 4 is painted in the present invention to the schematic diagram of electrical body charge measurement；
Fig. 5 is painted the present invention to the schematic diagram of contact separation charge measurement；
Fig. 6 is painted the step flow chart of the method for the present invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
Referring to figs. 1 to shown in Fig. 3, a kind of motor behavior of the invention, counter-force and contact-the friction amount of sending a telegraph synchro measure
System, comprising: bracket 1 is installed on rotatable moving conduit 2 on bracket 1；Moving conduit 2 has embedded power and contact-friction
Electrical measurement unit 3；Power and contact-friction electrical measurement unit 3 mechanical signal pass through mechanical signal conditioning module 10 and computer
13 the first signal acquisition terminal is connected；Power and contact-friction electrical measurement unit 3 electric signal by digital charge meter 9 and calculate
The second signal collection terminal of machine 13 is connected, and two groups of signals are synchronous；Moving conduit 2, power and contact-friction electrical measurement unit 3 are complete
It is wrapped in a metallic shield net 12；Metallic shield net 12 being capable of effective protection power and contact-survey of friction electrical measurement unit 3
It is not interfered by ambient electromagnetic field when measuring charge；
Above-mentioned power and contact-friction electrical measurement unit 3 are arranged on moving conduit 2 in array n × m；It is specific to can be selected
3 × 8 are arranged on moving conduit 2.
Above-mentioned power and contact-friction electrical measurement unit 3 signal and the high-speed camera for being placed in 2 front of moving conduit
The signal of system 11 is synchronous, and high speed video system 11 is connected with the third signal acquisition terminal of computer 13.
Above-mentioned power and contact-friction electrical measurement unit 3 by precision resister strain-type three-dimensional force sensor 4 and are fixed on
The charge measurement sensors 5 on its top form；Guarantee the top surface of charge measurement sensors 5 and the surface of moving conduit 2 when installation
It flushes；According to measurement request in the embedded one or more power in 2 bottom of moving conduit and contact-friction electrical measurement unit 3.
Above-mentioned charge measurement sensors 5 not only act as charge measurement sensors in structure, but also act as power measurement system
Carrying tablet in system.
Referring to shown in Fig. 3, the charge measurement sensors 5 in above-mentioned power and contact-friction electrical measurement unit 3 are by square
Dielectric constant very little dielectric sheet 6 and its surface covering metallic film 7 form, respectively under the metallic film of upper layer
The lower surface lead of surface and lower metal film is as signal wire.In actual use, it will draw from lower metal film
Signal wire good earth.
On the metallic film of the upper surface of above-mentioned power and the charge measurement sensors 5 in contact-friction electrical measurement unit 3
Need to cover one layer tens microns thick of material 8 according to test, material 8 uses welding resistance green oil, main component in the present embodiment
For acrylate copolymer, in addition, be replaced with different materials according to requirement of experiment, the material 8 is a kind of replaceable thin
Membrane material, such as PDMS, polytetrafluoroethylene (PTFE) etc..Hapteron directly contacts friction with material 8 when animal movement, without directly with
Metallic film 7 contacts.
Referring to shown in Fig. 4, when testee is per se with charge and close charge measurement sensors 5, charge measurement is passed
The upper surface of the metallic film 7 of 5 two sides of sensor had because of electrostatic induction with the opposite polarity charge of object, under metallic film
Surface then has charge identical with object polarity；And after being grounded the metallic film of 5 bottom surface of charge measurement sensors, the metal
Film lower surface charge identical with electrical body charge polarity is by the charging neutrality in the earth.By connecting charge measurement sensors
The lead of 5 bottom metallic film of lower surface and charge measurement sensors of 5 top metal films can measure to obtain electrical body
Charge.If object is originally not charged, but with charge after interacting with table covering material 8 in charge measurement sensors 5
(i.e. contact separation charge) can be concluded that if object electrification+Q, covering material electrification is shown in-Q(Fig. 5).Charge measurement
The upper surface of the metallic film of 5 two sides of sensor has the charge opposite with covering material charge polarity because of electrostatic induction, gold
Belong to the lower surface of film then with the identical charge of polarized；And by after the metallic film of 5 bottom surface of charge measurement sensors ground connection, it is somebody's turn to do
Metallic film lower surface charge identical with 8 charge polarity of material is passed by the charging neutrality in the earth by connection charge measurement
The lead of sensor top metal film following table and charge measurement sensors bottom metallic film can measure to obtain the electricity of material 8
Lotus, the opposite number of the charge are equal to the charge of object band.
The synchronized measurement system synchronizes high-speed camera video, mechanical signal and electric signal by computer 13
Acquisition.
Referring to shown in Fig. 6, a kind of animal movement behavior, counter-force and contact-the friction amount of sending a telegraph synchro measure side of the invention
Method comprises the following steps that
Step 1: opening power supply and carry out system initialization；
Step 2: adjusting moving conduit to reach the angle of needs；
Step 3: initialization high speed video system, power and contact-friction electrical measurement unit；
Step 4: being simultaneously emitted by one to high speed video system, power and contact-friction electrical measurement unit by computer interface
A high level signal starts synchronous acquisition process when above-mentioned three receives high level signal；
Step 5: the data kept records of after allowing animal to pass through out of channel；Step 2 is repeated if being not finished, and is otherwise being counted
It checked on calculation machine, analyze the data saved.
Wherein, the initialization procedure of 3 high speed camera system of above-mentioned steps: the clarity for reaching needs is focused first
And resolution ratio, then adjust the brightness that light source reaches needs；Next it sets high speed video system to being continuously shot state.
Wherein, power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: first detected whether
Signal output, then demarcates force snesor, next removes due to channel rotation, is zero defeated caused by temperature drift factor
Out, continuous acquisition state finally is set by power acquisition unit.
Wherein, power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: detection signal output first
It is whether continuous, then charge acquisition module is demarcated, is finally continuous acquisition state by charge capture setting.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention, it is noted that for
For those skilled in the art, without departing from the principle of the present invention, it can also make several improvements, this
A little improve also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of motor behavior, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system characterized by comprising bracket, peace
Loaded on moving conduit rotatable on bracket；Moving conduit has embedded power and contact-friction electrical measurement unit；Power and contact-
The mechanical signal of friction electrical measurement unit is connected by mechanical signal conditioning module with the first signal acquisition terminal of computer；Power and
Contact-friction electrical measurement unit electric signal is connected by digital charge meter with the second signal collection terminal of computer, two groups of letters
Number synchronization；Moving conduit, power and contact-friction electrical measurement unit are completely encapsulated in metallic shield net；
Above-mentioned power and contact-friction electrical measurement unit signal and the high speed video system that is placed in immediately ahead of moving conduit
Signal is synchronous, and high speed video system is connected with the third signal acquisition terminal of computer；
Above-mentioned power and contact-friction electrical measurement unit by precision resister strain-type three-dimensional force sensor and are fixed on its top
Charge measurement sensors composition；Guarantee that the top surface of charge measurement sensors and the surface of moving conduit flush when installation；According to
Measurement request is in the embedded one or more power in moving conduit bottom and contact-friction electrical measurement unit.
2. motor behavior according to claim 1, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system, feature exist
In above-mentioned power and contact-friction electrical measurement unit are arranged on moving conduit in array n × m.
3. motor behavior according to claim 2, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system, feature exist
In the charge measurement sensors in above-mentioned power and contact-friction electrical measurement unit are situated between by the electricity of the dielectric constant very little of square
Matter thin slice and its metallic film composition of surface covering, respectively under the lower surface and lower metal film of upper layer metallic film
Surface leads are as signal wire.
4. motor behavior according to claim 1, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system, feature exist
According to test on the metallic film of the upper surface of above-mentioned power and the charge measurement sensors in contact-friction electrical measurement unit
Need to cover one layer of tens microns of thick material, when animal movement hapteron directly with material friction, without direct
It is contacted with metallic film.
5. motor behavior according to claim 4, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system, feature exist
In above-mentioned material is a kind of replaceable thin-film material.
6. a kind of motor behavior, counter-force and contact-the friction amount of sending a telegraph method for synchronously measuring, which is characterized in that be based on claim
The described in any item motor behaviors of 1-5, counter-force and contact-the friction amount of sending a telegraph synchronized measurement system, comprise the following steps that
Step 1: opening power supply and carry out system initialization；
Step 2: adjusting moving conduit to reach the angle of needs；
Step 3: initialization high speed video system, power and contact-friction electrical measurement unit；
Step 4: a height is simultaneously emitted by high speed video system, power and contact-friction electrical measurement unit by computer interface
Level signal starts synchronous acquisition process when above-mentioned three receives high level signal；
Step 5: the data kept records of after allowing animal to pass through out of channel；Step 2 is repeated if being not finished, otherwise in computer
On check, analyze save data.
7. motor behavior according to claim 6, counter-force and contact-the friction amount of sending a telegraph method for synchronously measuring, feature exist
In, the initialization procedure of 3 high speed camera system of above-mentioned steps: focusing the clarity and resolution ratio for reaching needs first,
Then the brightness that light source reaches needs is adjusted；Next it sets high speed video system to being continuously shot state.
8. motor behavior according to claim 6, counter-force and contact-the friction amount of sending a telegraph method for synchronously measuring, feature exist
In power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: first detect whether signal output,
Then force snesor is demarcated, next removes the zero output due to caused by channel rotation, temperature drift factor, finally will
Power acquisition unit is set as continuous acquisition state.
9. motor behavior according to claim 6, counter-force and contact-the friction amount of sending a telegraph method for synchronously measuring, feature exist
In power and contact-friction electrical measurement unit initialization procedure in above-mentioned steps 3 are as follows: whether the output of detection signal is continuous first,
Then charge acquisition module is demarcated, is finally continuous acquisition state by charge capture setting.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380235A (en) * | 2008-09-24 | 2009-03-11 | 南京航空航天大学 | Test method and system of animal foot-face contact counter force |
| CN103654803A (en) * | 2013-11-29 | 2014-03-26 | 南京航空航天大学 | Synchronous acquisition system used for images and contact force under motion state |
| CN104964922A (en) * | 2015-06-10 | 2015-10-07 | 南京航空航天大学 | Contact-friction force and contact charge synchronous measurement apparatus and method thereof |
| CN105091913A (en) * | 2014-04-18 | 2015-11-25 | 北京纳米能源与系统研究所 | Sensor and sensing method based on electrostatic induction |
| CN105337527A (en) * | 2014-06-27 | 2016-02-17 | 北京纳米能源与系统研究所 | Surface charge modulation method, corresponding friction power generating device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9408372B2 (en) * | 2011-05-11 | 2016-08-09 | University Of Kansas | Modular force sensor system, device, and method for behavioral measurement |
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2016
- 2016-03-08 CN CN201610131788.9A patent/CN105784205B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380235A (en) * | 2008-09-24 | 2009-03-11 | 南京航空航天大学 | Test method and system of animal foot-face contact counter force |
| CN103654803A (en) * | 2013-11-29 | 2014-03-26 | 南京航空航天大学 | Synchronous acquisition system used for images and contact force under motion state |
| CN105091913A (en) * | 2014-04-18 | 2015-11-25 | 北京纳米能源与系统研究所 | Sensor and sensing method based on electrostatic induction |
| CN105337527A (en) * | 2014-06-27 | 2016-02-17 | 北京纳米能源与系统研究所 | Surface charge modulation method, corresponding friction power generating device and method |
| CN104964922A (en) * | 2015-06-10 | 2015-10-07 | 南京航空航天大学 | Contact-friction force and contact charge synchronous measurement apparatus and method thereof |
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