CN108254198A - A kind of torque and angle measurement system and torque and angle measurement method - Google Patents
A kind of torque and angle measurement system and torque and angle measurement method Download PDFInfo
- Publication number
- CN108254198A CN108254198A CN201611243006.7A CN201611243006A CN108254198A CN 108254198 A CN108254198 A CN 108254198A CN 201611243006 A CN201611243006 A CN 201611243006A CN 108254198 A CN108254198 A CN 108254198A
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- angle
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- rotation angle
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention provides a kind of torque and angle measurement systems, and including input shaft and output shaft, input shaft is connected with a torsion bar with output between centers, wherein, input shaft is respectively equipped with input rotor with output shaft and output rotor, torque and angle measurement system further include:First angle measuring apparatus, second angle measuring apparatus, gear set and control module;First angle measuring apparatus is set on input shaft and output between centers, and first angle measuring apparatus measures input rotor rotation angle and output rotor rotation angle respectively;Gear set engages connection, gearratio i driving gear set of the input shaft based on gear set with input shaft;Second angle measuring apparatus is set on outside gear set, measures gear set rotation angle;Control module receives input rotor rotation angle, output rotor rotation angle and gear set rotation angle, and torque and absolute angle are measured according to the difference of input rotor rotation angle, gear set rotation angle and output rotor rotation angle.Therefore, the measurement range of torque and angle is expanded.
Description
Technical field
The present invention relates to Vehicle Engineering more particularly to a kind of torque and angle measurement system and torque and angle measurement
Method.
Background technology
In recent years, with the rapidly development of the rapid growth of social economy, Automobile Electronic Industry and related industry, user couple
It is gradually increased in the requirement of vehicle.Especially automotive electronics servo steering system is increasingly becoming the standard configuration of vehicle.Develop shape herein
Under gesture, the measurement for vehicle torque is also user for necessary configuration in automotive electronics servo steering system.In order to measure
The torque of vehicle, torque angular transducer are widely used, and main function is the angle for measuring vehicle steering wheel rotation
With the torque being subject to.However the existing torque angular transducer for EPS, there is following deficiency:
1. the measurement range of torque cannot meet all requirements using vehicle, the torque angular transducer of mainstream at present
Torque measurement range, for such as ± 10 ° of the torque measurement range of bigger, does not meet the product of its demand within ± 8 °,
Once more than above-mentioned section, will be unable to measure;
2. the measurement of absolute angle range of steering wheel rotation cannot meet all requirements using vehicle, the torsion of mainstream at present
The angle measurement range of square angular transducer can only meet the needs of circle left and right of steering wheel 5 within 1600 °, and for such as
The demand of the circle of heavy truck 7 left and right does not meet the product of its requirement.
Therefore, it is necessary to a kind of Novel torque and angle measurement system for vehicle, torque and absolute angle can be expanded
Measurement range is met the needs of users.
Invention content
In order to overcome above-mentioned technological deficiency, the purpose of the present invention is to provide a kind of torques and angle measurement system and torque
And angle measurement method, it can measure steering wheel torque and absolute angle of a variety of models of such as heavy truck under various operating modes.
The invention discloses a kind of torque and angle measurement system, including input shaft and output shaft, the input shaft with it is defeated
A torsion bar is connected between shaft, wherein, the input shaft end relative to each other with output shaft is respectively equipped with input rotor and defeated
Go out rotor, the input rotor and the input shaft coaxial rotating, the output rotor and the output shaft coaxial rotating, it is described
Torque and angle measurement system further include:First angle measuring apparatus, second angle measuring apparatus, gear set and control module;
The first angle measuring apparatus is set on the input shaft and output between centers, and the first angle measuring apparatus generates one and measures magnetic
, according to the input rotor and the output rotor cutting induced voltage for measuring magnetic field and generating, input is measured respectively and is turned
Sub- rotation angle and output rotor rotation angle, wherein the input rotor includes the first flabellum group, the output rotor includes
Second flabellum group, the quantity of the first flabellum group are twice of the second flabellum group quantity;The gear set and the input shaft
Engagement connection, gearratio i of the input shaft based on the gear set are driven the gear set;The second angle measuring apparatus
Outside the gear set, gear set rotation angle is measured;The control module receives the input rotor rotation angle, output
Rotor rotation angle and gear set rotation angle turn according to the input rotor rotation angle, gear set rotation angle and output
The difference of sub- rotation angle measures torque and absolute angle.
Preferably, the first angle measuring apparatus includes excitation coil, receiving coil, control chip and pcb board;It is described
Excitation coil is set on the pcb board, generates the measurement magnetic field;The receiving coil be set on the pcb board on, and with it is described
Receiving coil is set on same end face, measures the input rotor and the output rotor cutting induced electricity for measuring magnetic field and generating
Pressure;It is described control chip be set on the pcb board on, receive the induced voltage, with measure it is described input rotor rotation angle and
Output rotor rotation angle.
Preferably, through-hole is equipped in the middle part of the pcb board, the torsion bar runs through the through-hole.
Preferably, the gear set includes drive gear and driven gear;The input shaft includes extension, relative to institute
It states input shaft rotor and sets, the drive gear is sheathed on the extension and the input shaft coaxial rotating;It is described driven
Gear is engaged with the gearratio i with the drive gear.
Preferably, the gearratio i=45:37、45:41 or 45:One kind in 43.
Preferably, the first flabellum group includes the first metal blade of m pieces, and the second flabellum group includes the second gold medal of n pieces
Belong to blade;The control module is according to the period angle of second metal bladeAnd the period angle of the gear setWith the period angle of first metal bladeCombination calculate the difference and absolute angle.
Preferably, the m=10, the n=5.
The invention also discloses a kind of torque and angle measurement methods, include the following steps:
Step 1:One first angle measuring apparatus generates in an input shaft and an output between centers and measures magnetic field, and according to described
Input rotor and the output rotor cutting induced voltage for measuring magnetic field and generating measure input rotor rotation angle and output
Rotor rotation angle, wherein the quantity of the first flabellum group that input rotor includes is the number of the second flabellum group that output rotor includes
Twice of amount;
Step 2:One gear set is engaged into connection with input shaft, gearratio i of the input shaft based on the gear set is passed
Move the gear set;
Step 3:One second angle measuring apparatus measures the gear set rotation angle of the gear set;
Step 4:One control module is according to input rotor rotation angle, gear set rotation angle and output rotor rotation angle
Difference measure torque and absolute angle.
Preferably, in the step 1, the first angle measuring apparatus measures the of the input rotor on the input shaft
The period angle of the period angle of one metal blade and the second metal blade of the output rotor on the output shaft, it is defeated to measure
Enter rotor rotation angle and output rotor rotation angle.
Preferably, in the step 2, gear set includes drive gear and driven gear, the second angle measuring apparatus
The rotation angle of the driven gear is measured, to obtain the gear set rotation angle.
After employing above-mentioned technical proposal, compared with prior art, have the advantages that:
1. expanding the measurement range of torque, measurement range understands ± 10 ° even ± 15 °;
2. expanding the measurement range of steering wheel absolute angle, the steering wheel of even heavy truck is made in one direction
3.5-4 is enclosed, and also can measure steering wheel absolute angle when making.
Description of the drawings
Fig. 1 is to meet the structure of input shaft in one embodiment of the present invention, output shaft and first angle measuring apparatus to show
It is intended to;
Fig. 2 is the structure diagram for meeting first angle measuring apparatus in one embodiment of the present invention;
Fig. 3 is to meet the explosive view of torque and angle measurement system in one embodiment of the present invention.
Reference numeral:
10- input shafts, 11- inputs rotor, 12- the first flabellum groups;
20- output shafts, 21- output rotors, 22- the second flabellum groups;
30- torsion bars;
40- first angles measuring apparatus, 41- excitation coils, 42- receiving coils, 43- controls chip, 44-PCB plates, 45-
Through-hole;
50- second angle measuring apparatus;
60- gear sets, 61- drive gears, 62- driven gears.
Specific embodiment
The advantages of the present invention is further explained below in conjunction with attached drawing and specific embodiment.
Refering to Fig. 1 and Fig. 2, automobile steering system includes steering column, which includes input shaft 10 and defeated
Shaft 20 is connected between the two by torsion bar 30, and after steering wheel stress, torsion bar 30 can deform upon.To turning round in the embodiment
The measuring system of bar 30, including above-mentioned input shaft 10 and output shaft 20 are covered, and input shaft 10 and output shaft 20 are relative to each other
End be equipped with input rotor 11 and output rotor 21, i.e., be equipped with the end that output shaft 20 faces each other should for input shaft 10
Rotor 11 and output rotor 21 are inputted, meanwhile, input rotor 11 and input shaft 10, output rotor 21 and output shaft 20 are coaxial respectively
Rotation so that the torque between input shaft 10 and output shaft 20 can be converted into the torque between input rotor 11 and output rotor 21, right
The torque measurement of wheel steering can be completed in torque measurement between input rotor 11 and output rotor 21.
For the torque measurement to input rotor 11 and output rotor 21, torch measuring system further includes:
First angle measuring apparatus 40
It is arranged between input shaft 10 and output shaft 20, and generates one and measure magnetic field, which can sense in magnetic field
All components are to the cutting effect of the magnetic line of force.Therefore, the magnetic field generated can cover the position to input shaft 10 and output shaft 20,
When direction disc spins drive input rotor 11 and output rotor 21 rotates, the rotation of output rotor 21 and input rotor 11 will be cut
Magnetic field is cut, according to electromagnetic induction principle, magnetic field is measured and induces sensing electric current and sense on output rotor 21 and input rotor 11
Voltage is answered, by the size of the induced voltage induced, would know that the position of input rotor 11 and output rotor 21 in magnetic field,
And then it would know that the rotation angle of input rotor 11 and output rotor 21.
In this embodiment, input rotor 11 includes the first flabellum group 12, and output rotor 21 includes the second flabellum group 22, with
When ensuring to measuring magnetic field intercepts, the multiple metal blades included in the first flabellum group 12 and the second flabellum group 22 are cut at intervals
It cuts and measures magnetic field, and gap between metal blade and metal blade then can be more accurately as judging that flabellum cuts measurement magnetic field
Calculation basis.
Based on described above, the first metal blade quantity that the first flabellum group 12 includes is that the second flabellum group 22 includes
Twice of second metal blade, for example, the first flabellum group 12 includes the first metal blade of m pieces, the second blade group includes n pieces second
Metal blade, wherein m=2n.When measuring torque, the period angle that the first flabellum group 12 rotates and cut measurement magnetic field isSecond flabellum group 22 rotate and cut measure magnetic field period angle bePeriod angle as referred to herein, means phase
Adjacent two metal blades cut interval angles during same measurement magnetic field, for example, the first flabellum group 12 includes 18 first metal leaves
Piece, and the first flabellum group 12 is symmetrical set, i.e., the period angle all same between every one first metal blade, is 20 °.By one
Period angle is returned at identical first metal blade.
First metal blade quantity is that the second metal blade quantity is advantageous in that for twice, inputs the receiving coil of rotor 11
42 and the receiving coil 42 of output rotor 21 can will not be interfered with each other with arranged for interval.The period angle for inputting rotor 11 is defeated
Go out the period angle of rotor 21When input rotor 11 with output rotor 21 cuts and measures magnetic field simultaneously, the first metal leaf
Piece will cut measurement magnetic field with the second metal blade simultaneously or at intervals, be more convenient first angle measuring apparatus 40 and input is turned
The measurement of sub 11 rotation angles and 21 rotation angle of output rotor.Based on this, the quantity of the first metal blade can be 18, the
The quantity of two metal blades can be 9, and most preferably, the quantity of the first metal blade can be 10, the second metal blade
Quantity be 5 then so that input rotor 11 period angle be 36 °, and the period angle of output rotor 21 be 72 °.
Gear set 60
Refering to Fig. 3, gear set 60 engages connection with input shaft 10, and is connect with wheel steering system, when steering wheel turns
When dynamic, the gear set 60 being engaged with it is driven into rotation, and then rotate with driven input shaft 10 first.Usually using person into driving
During turning, the turnning circle of the steering wheel of dilly is 3 circle (± 1080 °) of left and right, the rotation of the steering wheel of oversize vehicle
The number of turns is 4 circle (± 1440 °) of left and right.Afterwards by the gearratio i between input shaft 10 and gear set 60, by the rotation angle of steering wheel
It is converted into another rotation angle of input shaft 10.For example, when 296 ° of the rotation of steering wheel, gear set 60 is based on gearratio i and turns
296 ° of * i are moved, work as i=45:When 37, driven gear 62 rotates 360 °, generates the signal of a cycle, is equivalent to driven gear 62
Period be 296 °.
Second angle measuring apparatus 50
Second angle measuring apparatus 50 is set on the outside of gear set 60, measures the rotation angle of driven gear 62 in gear set 60
Degree.This angle combine the first flabellum group 12 rotate and cut measure magnetic field period angle beSteering wheel rotation can be finally inversed by
Wide-angle.
By the setting of above equipment, data below can be measured:
1) 11 rotation angle of input rotor of rotor 11 is inputted;
2) 21 rotation angle of output rotor of output rotor 21;
3) in gear set 60 driven gear 62 rotation angle.
By calculating above-mentioned data 1) and data 2), the difference of the two is Torsion rod angle, i.e. torque, and data 1)
With the absolute angle of least common multiple 3), as steering wheel.
Torque and angle measurement system in the embodiment, further comprise:
Control module
Control module is communicated to connect with first angle measuring apparatus 40 and second angle measuring apparatus 50, receives above-mentioned measure
Data, and according to the mathematic interpolation torque of input 11 rotation angle of rotor and 21 rotation angle of output rotor, and combination gear
The rotation angle of driven gear 62, calculates the absolute angle rotated in steering wheel in group 60.
With continued reference to Fig. 2, in a preferred embodiment, first angle measuring apparatus 40 includes:Excitation coil 41, receiving coil
42nd, chip 43 and pcb board 44 are controlled.Excitation coil 41 and receiving coil 42 are set on the same end face on pcb board 44 and towards defeated
Enter rotor 11, wherein excitation coil 41, which generates, measures magnetic field, and receiving coil 42 measures input rotor 11 and output rotor 21 is cut
Measure the induced voltage that magnetic field generates.Receiving coil 42 while 43 communication link of control chip with being similarly disposed on pcb board 44
It connects, receives the data of the induced voltage measured, and input 11 rotation angle of rotor and output are calculated according to the size of induced voltage
21 rotation angle of rotor.Hall sensor is replaced by the first angle measuring apparatus 40 in the embodiment, originally using Hall
11 rotation angle of input rotor that sensor can not be learnt can be presented with 21 rotation angle of output rotor to user.
When the first angle measuring apparatus 40 is installed, a through-hole 45 is equipped at the middle part of pcb board 44, then torsion bar 30 is through logical
Hole 45 so that first angle measuring apparatus 40 can be mounted between input shaft 10 and output shaft 20, and in first angle measuring apparatus
Outside 40, a mounting bracket can be separately set, consolidates the position of first angle measuring apparatus 40.
Another preferably or in alternative embodiment, the gearratio i of gear set 60 is by the drive gear 61 that is included in it and driven
Gear 62 is formed.It is connected between input shaft 10 and gear set 60 by the extension that input shaft 10 includes.Specifically, 10 face of input shaft
It extending up to the end of gear set 60 to gear set 60 and is engaged with gear set 60, driven gear 62 is engaged with drive gear 61,
And drive gear 61 is set on extension and 10 coaxial rotating of input shaft.The number of gears of drive gear 61 and driven gear 62 it
Than for i, to form gearratio i.For example, gearratio i=45:37, when 296 ° of direction disc spins, driven gear 62 rotates
360 °, i.e. driven gear 62 generates the signal of 296 ° of a cycle, other transmissions such as 45:41 or 45:43 grades are all applicable.When
Gearratio is 45:When 41,328 ° of direction disc spins, driven gear 62 is rotated by 360 °, i.e., driven gear 62 generates a cycle
328 ° of signal, when gearratio is 45:When 43,344 ° of direction disc spins, driven gear 62 is rotated by 360 °, i.e., driven gear 62 produces
The signal of raw 344 ° of a cycle.
With above-mentioned with postponing, when steering wheel rotates, first angle measuring apparatus 40 will measure the rotation for inputting rotor 11
The rotation angle of gyration and output rotor 21.For example, when m=10, n=5, first angle measuring apparatus 40 will measure defeated
Enter rotor 11 with 36 ° of rotation angles and output rotor 21 for the period with 72 ° of rotation angles for the period, between the two
Rotational difference between poor input shaft 10 and output shaft 20 to be generated by torque.Meanwhile the degree of the driven gear 62 with reference to measurement
Number, such as 296 ° (after gearratio i transmissions), the corresponding steering number of degrees to steering wheel, so that user would know that in direction
Absolute angle under a certain rotation angle of disk.Because the period of 36 ° of period angle and driven gear 62 based on input rotor 11
2664 ° of the least common multiple that 296 ° of angle, in the range of 0-2664 °, input rotor 11 period angle and number of cycles and
The period angle and number of cycles of driven gear 62 be it is one-to-one, within the above range, can the not repeatedly side of measurement
To the gyration that spirals.
During using above-mentioned torque and angle measurement system, it can be performed by following steps:
Step 1:One first angle measuring apparatus 40 is set between the input shaft 10 and output shaft 20 for causing torque, and this
One Angle Measuring Equipment 40, which can generate, measures magnetic field, when the input rotor 11 being set on input shaft 10 and is set to output shaft 20
On output rotor 21 cutting measure magnetic field when, induced voltage will be generated, by first angle measuring apparatus 40 to induced voltage
Measurement, can measure input rotor 11 and output rotor 21 rotation angle.And in this step, output rotor 21 include
The quantity of one flabellum group 12 is twice of the quantity of the second flabellum group 22 that output rotor 21 includes so that input rotor 11 is revolved
Cycle turnover, angle was that output rotor 21 revolves the 1/2 of angle cycle turnover.
Step 2:One gear set 60 engages connection with input shaft 10, by the gearratio i driving gear sets 60 of gear set 60,
Then the rotation angle of gear set 60 and the rotation angle of input shaft 10 have using gearratio i as the relationship of direct ratio.
Step 3:One Hall sensor measures the of driven gear 62 in gear set 60 as second angle measuring apparatus 50
Two rotation angles, to correspond to the rotation angle of steering wheel for vehicle.
Step 4:One control module receive above-mentioned 11 rotation angle of input rotor measured, 21 rotation angle of output rotor and
The rotation angle of driven gear 62 in gear set 60, and according to input 21 rotation angle of 11 rotation angle of rotor and output rotor
Mathematic interpolation torque calculates steering wheel according to the rotation angle of driven gear 62 in input 11 rotation angle of rotor and gear set 60
The absolute angle of rotation.
In above-mentioned steps 1, the measurement of 20 rotation angle of rotation angle and output shaft to input shaft 10 can be converted into pair
Input the first metal blade included of rotor 11 and the measurement of the period angle of the second metal blade included to output rotor 21.
Furthermore it is preferred that or optionally, the measurement of 60 rotation angle of gear set can pass through the drive gear 61 to including in it
Measurement with driven gear 62 is realized.Specifically, there is a gearratio i between drive gear 61 and driven gear 62, steering wheel
Rotation angle is converted to another angle by gearratio i, and the measurement to the angle is the measurement to steering wheel angle.
It should be noted that the embodiment of the present invention has preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, what technical spirit according to the present invention made above example
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of torque and angle measurement system, including input shaft and output shaft, the input shaft is connected with one with output between centers
Torsion bar, wherein, the input shaft is respectively equipped with input rotor and output rotor, the input with output shaft end relative to each other
Rotor and the input shaft coaxial rotating, the output rotor and the output shaft coaxial rotating, which is characterized in that
The torque and angle measurement system further include:First angle measuring apparatus, second angle measuring apparatus, gear set and control
Molding block;
The first angle measuring apparatus is set on the input shaft and output between centers, and the first angle measuring apparatus generates one and surveys
Magnetic field is measured, according to the input rotor and the output rotor cutting induced voltage for measuring magnetic field and generating, is measured respectively defeated
Enter rotor rotation angle and output rotor rotation angle, wherein
The input rotor includes the first flabellum group, and the output rotor includes the second flabellum group, the number of the first flabellum group
Amount is twice of the second flabellum group quantity;
The gear set engages connection with the input shaft, described in gearratio i transmissions of the input shaft based on the gear set
Gear set;
The second angle measuring apparatus is set on outside the gear set, measures gear set rotation angle;
The control module receives the input rotor rotation angle, output rotor rotation angle and gear set rotation angle, root
Torque and absolute angle are measured according to the difference of input rotor rotation angle, gear set rotation angle and output rotor rotation angle.
2. torque as described in claim 1 and angle measurement system, which is characterized in that
The first angle measuring apparatus includes excitation coil, receiving coil, control chip and pcb board;
The excitation coil is set on the pcb board, generates the measurement magnetic field;
The receiving coil is set on the pcb board, and is set on same end face with the receiving coil, measures the input rotor
With the output rotor cutting induced voltage for measuring magnetic field and generating;
It is described control chip be set on the pcb board on, receive the induced voltage, with measure it is described input rotor rotation angle and
Output rotor rotation angle.
3. torque as claimed in claim 2 and angle measurement system, which is characterized in that
Through-hole is equipped in the middle part of the pcb board, the torsion bar runs through the through-hole.
4. torque as described in claim 1 and angle measurement system, which is characterized in that
The gear set includes drive gear and driven gear;
The input shaft includes extension, is set relative to the input shaft rotor, the drive gear is sheathed on the extension
In portion with the input shaft coaxial rotating;
The driven gear is engaged with the gearratio i with the drive gear.
5. torque as claimed in claim 4 and angle measurement system, which is characterized in that
The gearratio i=45:37、45:41 or 45:One kind in 43.
6. torque as described in claim 1 and angle measurement system, which is characterized in that
The first flabellum group includes the first metal blade of m pieces, and the second flabellum group includes the second metal blade of n pieces;
The control module is according to the period angle of second metal bladeAnd the period angle of the gear setWith
The period angle of first metal bladeCombination calculate the difference and absolute angle.
7. torque as claimed in claim 6 and angle measurement system, which is characterized in that
The m=10, the n=5.
8. a kind of torque and angle measurement method, which is characterized in that include the following steps:
Step 1:One first angle measuring apparatus generates in an input shaft and an output between centers and measures magnetic field, and according to the input
Rotor measures input rotor rotation angle and output rotor with the output rotor cutting induced voltage for measuring magnetic field and generating
Rotation angle, wherein the quantity of the first flabellum group that input rotor includes is the quantity of the second flabellum group that output rotor includes
Twice;
Step 2:One gear set is engaged into connection, gearratio i transmission institute of the input shaft based on the gear set with input shaft
State gear set;
Step 3:One second angle measuring apparatus measures the gear set rotation angle of the gear set;
Step 4:One control module is according to the difference for inputting rotor rotation angle, gear set rotation angle and output rotor rotation angle
Value measures torque and absolute angle.
9. torque as claimed in claim 8 and angle measurement method, which is characterized in that
In the step 1, the first angle measuring apparatus measures the first metal blade of the input rotor on the input shaft
Period angle and the output rotor on the output shaft the second metal blade period angle, with measure input rotor rotation
Angle and output rotor rotation angle.
10. torque as claimed in claim 8 and angle measurement method, which is characterized in that
In the step 2, gear set includes drive gear and driven gear, and the second angle measuring apparatus measures described driven
The rotation angle of gear, to obtain the gear set rotation angle.
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CN201611243006.7A CN108254198A (en) | 2016-12-29 | 2016-12-29 | A kind of torque and angle measurement system and torque and angle measurement method |
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CN201611243006.7A CN108254198A (en) | 2016-12-29 | 2016-12-29 | A kind of torque and angle measurement system and torque and angle measurement method |
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Cited By (1)
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CN113381665A (en) * | 2021-06-09 | 2021-09-10 | 上海晟矽微电子股份有限公司 | Motor control method and device, motor and electric tool |
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CN106197255A (en) * | 2016-07-07 | 2016-12-07 | 安徽沃巴弗电子科技有限公司 | A kind of induction moment of torsion angular transducer |
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US6341426B1 (en) * | 1998-01-07 | 2002-01-29 | Alps Electric Co., Ltd. | Rotation angle sensor and torque sensor |
CN1433514A (en) * | 1999-12-04 | 2003-07-30 | 罗伯特-博希股份公司 | Sensor system for detecting angle of rotation and/or torque |
CN101331049A (en) * | 2006-07-25 | 2008-12-24 | Lg伊诺特有限公司 | Steering angle sensing apparatus and method thereof |
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