CN106205310A - Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself - Google Patents
Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself Download PDFInfo
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- CN106205310A CN106205310A CN201610711930.7A CN201610711930A CN106205310A CN 106205310 A CN106205310 A CN 106205310A CN 201610711930 A CN201610711930 A CN 201610711930A CN 106205310 A CN106205310 A CN 106205310A
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- resistance strain
- type sensor
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- wire
- strain type
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Abstract
The invention discloses a kind of experimental teaching and make simple resistance strain type sensor calibration system device by oneself, including making simple resistance strain type sensor by oneself, hook pallet, counterweight and resistance strain gauge, it is to be connected making simple resistance strain type sensor wire by oneself with the bridge of resistance strain gauge, it is hanging on steel bar flexible member stomidium with hook pallet, power is applied by increasing counterweight in the bottom tray of hook pallet, thus cause steel bar flexible member generation elastic deformation, and then cause the change of resistance wire, physical signalling is changed to the signal of telecommunication, and then realize the signal of telecommunication and push away to the counter of physical signalling, so, constitute a kind of experimental teaching and make simple resistance strain type sensor calibration system device and method by oneself.When experimental teaching, student is allowed to do it yourself to demarcate homemade simple resistance strain type sensor, can reach the purpose of theory teaching, add again student resource thinking and the link of hands-on, this calibration system device has simple operation, simple and practical feature.
Description
Technical field
The present invention relates in the pressure measuring technology experimental teaching of ore deposit, for what self-control resistance strain type sensor was demarcated
Apparatus system, simple resistance strain type sensor calibration system device and scaling method are made in particularly a kind of experimental teaching by oneself.
Background technology
In the pressure measuring technology experimental teaching of ore deposit, laboratory uses makes simple resistance strain type sensor replacement mine pressure by oneself
Sensor carries out the operation principle of sensor and calibration principle teaching, but student makes the simple resistance of self-control doing it yourself
After strain gauge transducer, when carrying out experiment test with the simple resistance strain type sensor of self-control, in this case it is not apparent that be test for power
Size and test result data between corresponding relation, this be accomplished by oneself make sensor carry out demarcate verification, in
It is to be accomplished by the simple resistance strain type sensor calibration system device of a kind of self-control and scaling method thereof.
Summary of the invention
The technical problem to be solved is to provide a kind of experimental teaching and makes simple resistance strain type sensor by oneself
Calibration system device and scaling method.
For achieving the above object, the present invention provides following technical scheme: the present invention includes making simple resistance-strain type by oneself
Sensor, hook pallet, counterweight and resistance strain gauge, the simple resistance strain type sensor of described self-control, including resistance strain gage,
Resistance strain gage egative film, resistance wire, foil gauge lead-out wire, wiring end plate, copper platinum wiring point, terminals disk chassis, wire, glue
Cloth, steel bar flexible member and steel bar flexible member stomidium, be that resistance strain gage glue is firmly pasted onto steel bar flexible member
Middle position, obverse and reverse is symmetrical each pastes two resistance strain gages, so, in steel bar flexible member stress, surface occurs
During deformation, resistance strain gage deforms the most therewith, and the resistance wire of the resistance strain gage of tension face is elongated, and resistance becomes big, compression face
The resistance wire of resistance strain gage shortens, and resistance diminishes, at the lower section round turn of the front end of resistance strain gage and foil gauge lead-out wire
Adhesive plaster, at front end elevational and reverse side one wiring end plate of symmetrical each stickup of adhesive plaster, for foil gauge lead-out wire and the company of wire
Connecing, due to the existence of adhesive plaster, when foil gauge lead-out wire is connected on the copper platinum wiring point of wiring end plate with wire, foil gauge is drawn
Line will not turn on steel bar resilient element contacts；Described hook pallet includes steel wire hook and bottom tray；Described resistance-strain
Instrument, including 1/4th bridge joint drums, half bridging drum, full-bridge patchboard, terminals, on and off switch, control knob and signal
Numerical value display screen.It is by simple for self-control resistance that simple resistance strain type sensor calibration system device is made in a kind of experimental teaching by oneself
Strain gauge transducer wire is connected with the bridge of resistance strain gauge, will make the flexible member of simple resistance strain type sensor by oneself
/ 3rd length of one end are placed on experiment porch, and are pressed in this section with balancing weight and make it fix, the three of remaining section
/ bis-length are unsettled in atmosphere, and described balancing weight is long 150mm, wide 100mm, the cuboid iron block of high 20mm.With hook
The steel wire hook of pallet is hanging on unsettled section of stomidium of steel bar flexible member, by increasing weight in the bottom tray of hook pallet
Code steel bar flexible member is applied power, thus causes steel bar flexible member generation elastic deformation, and then causes the change of resistance wire
Change, by wire transmission to the bridge of resistance strain gauge, in signal numerical value display screen, show signal numerical value, by physical signalling
Change to the signal of telecommunication, and then realize the signal of telecommunication and push away to the counter of physical signalling, so, constitute a kind of experimental teaching simple electricity of self-control
Resistance strain gauge transducer calibration system device.
Treat that experimental teaching carries out making by oneself simple resistance strain type sensor timing signal, first student is divided into three groups, one group
The raw wire that the resistance strain gage lead-out wire making simple resistance strain type sensor by oneself is connected and the four of resistance strain gauge
/ mono-bridge joint drum connects at terminals, will make 1/3rd of flexible member one end of simple resistance strain type sensor by oneself
Length is placed on experiment porch, and is pressed in this section with balancing weight and makes it fix, and 2/3rds length of remaining section are unsettled
In atmosphere, it is hanging on unsettled section of stomidium of steel bar flexible member with the steel wire hook of hook pallet, by hook pallet
Increase counterweight in bottom tray steel bar flexible member is applied power, thus cause steel bar flexible member generation elastic deformation, enter
And cause the change of resistance wire, by 1/4th bridges of wire transmission to resistance strain gauge, at signal numerical value display screen
Middle display signal numerical value, by physical signalling to the conversion of the signal of telecommunication, before starting to place counterweight, by aobvious in signal numerical value display screen
The signal numerical value shown resets, and then by the counterweight of interpolation 1-10g weight successively, the deformation of steel bar flexible member also and then increases,
The resistance wire of the resistance strain gage being pasted onto on steel bar flexible member tension face is elongated, the letter of display in signal numerical value display screen
Count value becomes big, records counterweight weight and corresponding signal numerical value, sets up rectangular coordinate system, shows with signal numerical value display screen
Signal numerical value be Y-axis coordinate, with counterweight weight for X-axis coordinate, by coordinate relation curve, list its functional relation, enter
And realize the signal of telecommunication by functional relation and push away to the counter of physical signalling, so, constitute a kind of experimental teaching simple electricity of self-control
Resistance strain gauge transducer scaling method.Same, other two groups will make respectively simple resistance strain type sensor wire and
Half bridging drum and the full-bridge patchboard of resistance strain gauge connect at terminals, so, and should having explained the simple resistance of self-control
After the calibration principle of variant sensor and operating process, student is allowed to do it yourself to demarcate homemade simple resistance-strain type sensing
Device, can reach the purpose of theory teaching, and student can be allowed again to start to demarcate on the basis of understanding to make simple resistance-strain type by oneself
Sensor, adds student resource thinking and the link of hands-on, and then can obtain more preferable class efficacy.
This experimental teaching is made simple resistance strain type sensor calibration system device by oneself and is had simple operation, simple and practical
Feature.
Accompanying drawing explanation
Fig. 1 is to make simple resistance strain type sensor front view by oneself；
Fig. 2 is hook pallet front view；
Fig. 3 is counterweight front view；
Fig. 4 is resistance strain gauge front view；
Fig. 5 is to make simple resistance strain type sensor calibration system device front view by oneself
Wherein, simple resistance strain type sensor 2. resistance strain gage 3. resistance strain gage egative film 4. resistance wire is 1. made by oneself
5. foil gauge lead-out wire 6. wiring end plate 7. bronze medal platinum wiring point 8. terminals disk chassis 9. wire 10. adhesive plaster 11. steel bar
Flexible member 12. steel bar flexible member stomidium 13. links up with pallet 14. steel wire hook 15. bottom tray 16. counterweight 17.
Resistance strain gauge 1/18.th 4 bridges drum 19. half bridging drum 20. full-bridge patchboard 21. terminals 22. power supply
Switch 23. control knob 24. signal numerical value display screen 25. balancing weight 26. experiment porch
Detailed description of the invention
Below in conjunction with the accompanying drawings, by the description to embodiment, the present invention will be further described:
As shown in Figure 1 be make by oneself simple resistance strain type sensor, including resistance strain gage 2, wiring end plate 6, wire 9,
Adhesive plaster 10 and steel bar flexible member 11, described resistance strain gage 2 is by resistance strain gage egative film 3, resistance wire 4 and foil gauge lead-out wire
5 are constituted, and each resistance strain gage 2 is containing two foil gauge lead-out wires 5；Described wiring end plate 6 is by copper platinum wiring point 7 and terminals
Disk chassis 8 is constituted, and each wiring end plate 6 is containing four copper platinum wiring points 7；It is hook pallet front view shown in Fig. 2, including steel wire
Hook 14 and bottom tray 15；It it is counterweight front view shown in Fig. 3；It it is resistance strain gauge front view shown in Fig. 4；Including 1/4th
Bridge joint drum 18, half bridging drum 19, full-bridge patchboard 20, terminals 21, on and off switch 22, control knob 23 and signal numerical value
Display screen 24；It is to make simple resistance strain type sensor calibration system device front view by oneself shown in Fig. 5；A kind of experimental teaching is with certainly
Make simple resistance strain type sensor calibration system device, including make by oneself simple resistance strain type sensor 1, hook pallet 13,
Counterweight 16 and resistance strain gauge 17, the simple resistance strain type sensor of described self-control 1, including resistance strain gage 2, resistance strain gage
Egative film 3, resistance wire 4, foil gauge lead-out wire 5, wiring end plate 6, copper platinum wiring point 7, terminals disk chassis 8, wire 9, adhesive plaster 10,
Steel bar flexible member 11 and steel bar flexible member stomidium 12, be that resistance strain gage 2 glue is firmly pasted onto steel bar elasticity unit
The middle position of part 11, obverse and reverse two resistance strain gages 2 of symmetrical each stickup, so, in steel bar flexible member 11 stress
When there is areal deformation, resistance strain gage 2 deforms the most therewith, and the resistance wire 4 of the resistance strain gage 2 of tension face is elongated, and resistance becomes
Greatly, the resistance wire 4 of the resistance strain gage 2 of compression face shortens, and resistance diminishes, and draws in the front end of resistance strain gage 2 and foil gauge
The lower section round turn adhesive plaster 10 of line 5, at front end elevational and reverse side one wiring end plate 6 of symmetrical each stickup of adhesive plaster 10, for answering
Become sheet lead-out wire 5 and the connection of wire 9, owing to the existence of adhesive plaster 10, foil gauge lead-out wire 5 and wire 9 are at the copper of wiring end plate 6
When connecting on platinum wiring point 7, foil gauge lead-out wire 5 will not contact conducting with steel bar flexible member 11；Described hook pallet 13 wraps
Include steel wire hook 14 and bottom tray 15；Described resistance strain gauge 17, including 1/4th bridge joint drum 18, half bridging drums
19, full-bridge patchboard 20, terminals 21, on and off switch 22, control knob 23 and signal numerical value display screen 24.A kind of experimental teaching
With make by oneself simple resistance strain type sensor calibration system device be by simple for self-control resistance strain type sensor 1 wire 9 and
The bridge of resistance strain gauge 17 connects, and will make 1/3rd length of flexible member 11 one end of simple resistance strain type sensor by oneself
Degree is placed on experiment porch 26, and is pressed in this section with balancing weight 25 and makes it fix, and 2/3rds length of remaining section are hanged
In atmosphere, described balancing weight 25 is long 150mm to sky, wide 100mm, the cuboid iron block of high 20mm.Steel with hook pallet 13
Silk hook 14 is hanging on steel bar flexible member free end stomidium 12, by increasing weight in the bottom tray 15 of hook pallet 13
Code 16 applies power to steel bar flexible member 11, thus causes steel bar flexible member 11 that elastic deformation occurs, and then causes resistance
The change of silk 4, is transferred in the bridge of resistance strain gauge 17 by wire 9, shows signal number in signal numerical value display screen 24
Value, changes physical signalling to the signal of telecommunication, and then realizes the signal of telecommunication and push away to the counter of physical signalling, so, constitutes one experiment religion
Make simple resistance strain type sensor calibration system device by oneself.
Treat that experimental teaching carries out making by oneself simple resistance strain type sensor timing signal, first student is divided into three groups, one group
The raw wire 9 that the resistance strain gage lead-out wire 5 making simple resistance strain type sensor 1 by oneself is connected and resistance strain gauge 17
1/4th bridge joint drums 18 connect at terminals 21, will make by oneself simple resistance strain type sensor flexible member 11 one end
1/3rd length be placed on experiment porch 26, and be pressed in this section with balancing weight 25 and make it fix, the three of remaining section
/ bis-length are unsettled in atmosphere, are hanging to steel bar flexible member free end stomidium 12 with the steel wire hook 14 of hook pallet 13
On, by increasing counterweight 16 in the bottom tray 15 of hook pallet 13, steel bar flexible member 11 is applied power, thus cause
There is elastic deformation in steel bar flexible member 11, and then causes the change of resistance wire 4, is transferred to resistance strain gauge 17 by wire 9
1/4th bridges in, in signal numerical value display screen 24, show signal numerical value, by physical signalling to the conversion of the signal of telecommunication, open
Before beginning to place counterweight 16, the signal numerical value of display in signal numerical value display screen 24 is reset, then by adding 1-10g weight successively
The counterweight 16 of amount, the deformation of steel bar flexible member 11 also and then increases, is pasted onto the resistance on steel bar flexible member 11 tension face
The resistance wire 4 of foil gauge 2 is elongated, and in signal numerical value display screen 24, the signal numerical value of display becomes big, records counterweight 16 weight
With corresponding signal numerical value, set up rectangular coordinate system, with signal numerical value display screen 24 display signal numerical value for Y-axis coordinate, with
Counterweight weight is X-axis coordinate, by coordinate relation curve, lists its functional relation, and then realizes electricity by functional relation
Signal pushes away to the counter of physical signalling, so, constitutes a kind of experimental teaching and makes simple resistance strain type sensor scaling method by oneself.
Same, the half-bridge wiring of simple resistance strain type sensor 1 wire 9 and resistance strain gauge 17 will be made by oneself respectively for other two groups
Dish 19 and full-bridge patchboard 20 connect at terminals 21, so, at the mark having explained the simple resistance strain type sensor of self-control 1
After determining principle and operating process, allow student do it yourself to demarcate homemade simple resistance strain type sensor, reason can be reached
The purpose of opinion teaching, can allow again student start to demarcate on the basis of understanding to make simple resistance strain type sensor 1 by oneself, add
Student resource thinking and the link of hands-on, and then more preferable class efficacy can be obtained.
Technique scheme, a kind of experimental teaching is used to make simple resistance strain type sensor calibration system device by oneself,
Including making simple resistance strain type sensor, hook pallet, counterweight and resistance strain gauge by oneself, a kind of experimental teaching is simple with self-control
Resistance strain type sensor calibration system device is by simple for self-control resistance strain type sensor wire and resistance strain gauge
Bridge connects, and 1/3rd length making flexible member one end of simple resistance strain type sensor by oneself are placed on experiment porch
On, and be pressed in this section with balancing weight and make it fix, 2/3rds length of remaining section are unsettled in atmosphere, with hook pallet
Steel wire hook be hanging on steel bar flexible member free end stomidium, by hook pallet bottom tray on increase counterweight
Steel bar flexible member is applied power, thus causes steel bar flexible member generation elastic deformation, and then cause the change of resistance wire, logical
Cross wire transmission in the bridge of resistance strain gauge, signal numerical value display screen shows signal numerical value, thus realizes physics letter
Number to the conversion of the signal of telecommunication, and then pushed away to the counter of physical signalling by the signal of telecommunication, so, constitute a kind of experimental teaching self-control letter
Easily resistance strain type sensor calibration system device.Treat that experimental teaching carries out making simple resistance strain type sensor timing signal by oneself,
The wire that the resistance strain gage lead-out wire making simple resistance strain type sensor by oneself is connected and the bridge wiring of resistance strain gauge
Dish connects at terminals, and 1/3rd length making flexible member one end of simple resistance strain type sensor by oneself are placed on reality
Testing on platform, and be pressed in this section with balancing weight and make it fix, 2/3rds length of remaining section are unsettled in atmosphere, with extension
The steel wire hook of hook pallet is hanging on steel bar flexible member free end stomidium, by increasing in the bottom tray of hook pallet
Counterweight steel bar flexible member is applied power, thus causes steel bar flexible member generation elastic deformation, and then causes resistance wire
Change, by wire transmission to the bridge of resistance strain gauge, shows signal numerical value in signal numerical value display screen, thus realizes
Physical signalling is to the conversion of the signal of telecommunication, before starting to place counterweight, is reset by the signal numerical value of display in signal numerical value display screen,
Then by the counterweight of interpolation 1-10g weight successively, the deformation of steel bar flexible member also and then increases, is pasted onto steel bar flexible member
The resistance wire of the resistance strain gage on tension face is elongated, and in signal numerical value display screen, the signal numerical value of display becomes big, records
Counterweight weight and corresponding signal numerical value, set up rectangular coordinate system, sits with the signal numerical value that signal numerical value display screen shows for Y-axis
Mark, with counterweight weight for X-axis coordinate, by coordinate relation curve, lists its functional relation, and then real by functional relation
The existing signal of telecommunication pushes away to the counter of physical signalling, so, constitutes a kind of experimental teaching and makes the demarcation of simple resistance strain type sensor by oneself
Method.After the operation principle having explained resistance strain type sensor demarcation and operating process, student is allowed to do it yourself to demarcate
Homemade simple resistance strain type sensor, can reach the purpose of theory teaching, adds again student resource thinking and starts
The link of operation, and then more preferable class efficacy can be obtained.This experimental teaching is made simple resistance strain type sensor by oneself and is demarcated
System and device has simple operation, simple and practical feature.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (3)
1. experimental teaching makes a simple resistance strain type sensor calibration system device by oneself, including making simple resistance-strain by oneself
Formula sensor (1), hook pallet (13), counterweight (16) and resistance strain gauge (17), it is characterised in that: the simple resistance of described self-control
Strain gauge transducer calibration system device, is that simple for self-control resistance strain type sensor (1) is used wire (9) and resistance strain gauge
(17) bridge connects, and 1/3rd length of flexible member (11) one end making simple resistance strain type sensor by oneself are placed on
On experiment porch (26), and be pressed in this section with balancing weight (25) and make it fix, 2/3rds length of remaining section unsettled
In air, it is hanging on steel bar flexible member stomidium (12) with the steel wire hook (14) of hook pallet (13), by hook torr
Increase counterweight (16) in the bottom tray (15) of dish (13) and steel bar flexible member (11) is applied power, thus cause steel bar elastic
Element (11) generation elastic deformation, and then cause the change of resistance wire (4), it is transferred to resistance strain gauge (17) by wire (9)
Bridge in, display signal numerical value in signal numerical value display screen (24).
The most according to claim 1, simple resistance strain type sensor calibration system device is made in a kind of experimental teaching by oneself, its
It is characterised by: including a kind of hook pallet (13), described hook pallet (13) includes steel wire hook (14) and bottom tray (15),
Steel wire hook (14) is suspended on flexible member stomidium (12), and counterweight (16) is placed in bottom tray (15).
The most according to claim 1, simple resistance strain type sensor calibration system device is made in a kind of experimental teaching by oneself, its
Be characterised by: include a kind of resistance strain gauge (17), described resistance strain gauge (17) include 1/4th bridge joints drum (18), half
Bridge joint drum (19), full-bridge patchboard (20), terminals (21), on and off switch (22), control knob (23) and signal numerical value show
Display screen (24), makes simple resistance strain type sensor (1) by oneself and is connected with the bridge of resistance strain gauge (17), be to pass through resistance-strain
The wire (9) that sheet lead-out wire (5) connects is connected at terminals (21) with the bridge patchboard of resistance strain gauge (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610711930.7A CN106205310A (en) | 2016-08-23 | 2016-08-23 | Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself |
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| CN201610711930.7A CN106205310A (en) | 2016-08-23 | 2016-08-23 | Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644259A (en) * | 2016-12-26 | 2017-05-10 | 哈尔滨工业大学 | Posture influenced compensation method for cantilever beam type sensor |
| CN107328498A (en) * | 2017-08-11 | 2017-11-07 | 安徽天光传感器有限公司 | A kind of link sensor of pole structure |
| CN109612608A (en) * | 2018-11-29 | 2019-04-12 | 浙江大学 | A kind of installation method of shaft strain bridge and underwater turbine exciting force measuring table |
| CN110954252A (en) * | 2019-11-20 | 2020-04-03 | 上海理工大学 | Pelvis force measuring method combining finite element and strain gauge force measurement mutual verification |
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| CN105571692A (en) * | 2016-01-08 | 2016-05-11 | 锐马（福建）电气制造有限公司 | Consistency compensation method and apparatus for resistance strain type weighing sensor |
| CN206075664U (en) * | 2016-08-23 | 2017-04-05 | 安徽理工大学 | A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control |
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| DE19606457A1 (en) * | 1996-02-21 | 1997-08-28 | Michael Johannes Mueller | Scales for measuring air resistance of different objects in educational use |
| CN201421416Y (en) * | 2009-04-03 | 2010-03-10 | 天津商业大学 | Simple experimental facility suitable for university material mechanics course |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644259A (en) * | 2016-12-26 | 2017-05-10 | 哈尔滨工业大学 | Posture influenced compensation method for cantilever beam type sensor |
| CN107328498A (en) * | 2017-08-11 | 2017-11-07 | 安徽天光传感器有限公司 | A kind of link sensor of pole structure |
| CN109612608A (en) * | 2018-11-29 | 2019-04-12 | 浙江大学 | A kind of installation method of shaft strain bridge and underwater turbine exciting force measuring table |
| CN110954252A (en) * | 2019-11-20 | 2020-04-03 | 上海理工大学 | Pelvis force measuring method combining finite element and strain gauge force measurement mutual verification |
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Application publication date: 20161207 |