CN206283440U - A kind of double varisets of permanent magnet ac servo system torque inertia - Google Patents
A kind of double varisets of permanent magnet ac servo system torque inertia Download PDFInfo
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- CN206283440U CN206283440U CN201621379855.0U CN201621379855U CN206283440U CN 206283440 U CN206283440 U CN 206283440U CN 201621379855 U CN201621379855 U CN 201621379855U CN 206283440 U CN206283440 U CN 206283440U
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- magnetic powder
- inertia
- reductor
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- permanent magnet
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model discloses a kind of double varisets of permanent magnet ac servo system torque inertia, device includes：Permagnetic synchronous motor, reductor, magnetic powder brake, magnetic powder cluth, shaft coupling, thrust ball bearing, small machine, module and sliding block.By the load torque for controlling the exciting curent of magnetic powder brake to control on permagnetic synchronous motor output shaft, the mutation of torque is realized；By controlling the disengaging of magnetic powder cluth and being implemented in combination with the mutation of inertia；By controlling the position of inertia disc inner slide, change the Mass Distribution of inertia disc, realize the multimode gradual change of inertia.The utility model can not only realize the mutation of servo-drive system torque, while the mutation and gradual change of inertia can also be realized.
Description
【Technical field】
The utility model is related to a kind of double varisets of permanent magnet ac servo system torque inertia, belongs to Electromechanical Control technology
Field.
【Background technology】
Because permagnetic synchronous motor has high power density, high efficiency, high reliability and simple structure, small volume, weight
Light the advantages of, it can meet high performance system requirement, such as fast dynamic response, wide speed regulating range and High Power Factor, because
This is widely used in the popular domains such as industrial robot, Digit Control Machine Tool, Aero-Space.High-performance AC servo system is not only
It is required that system can make quick response to servo instruction, and require when disturbance occurs in outside or load characteristics of objects changes
The system of can guarantee that has good robustness, and this requires that the controller architecture and controller parameter of servo-drive system can be with loads
Characteristic makees appropriate adjustment.
The change of the load torque and rotary inertia of servo-drive system is very big to systematic influence, is directly connected to servo-drive system
Runnability.To different rotary inertias, it is necessary to make to servo controller parameter and some parameters related to system operation
Corresponding adjustment, if system can be allowed to have in itself and being recognized rotary inertia and being carried out automatically to the relevant parameter of system according to recognition result
Adjustment and the function of optimization, this will have very important significance to the raising of AC servo performance.In addition, being handed in permanent magnetism
In stream governing system, the static and dynamic performance of control system speed ring can change with the change of load torque, load torque
The fluctuation that change frequently can lead to servomotor rotating speed is produced so that rotating speed produces vibration, it is impossible to meet high accuracy servo system
Dynamic performance requirements.
Therefore, it is necessary to be recognized to load torque and rotary inertia in permanent magnet ac servo system.Used to rotating
, it is necessary to change torque and inertia carry out the correctness of verification algorithm on servo platform when amount and load torque are recognized.Tradition
Method or by motor connection magnetic powder brake, the single mutation for realizing load torque；Or by motor connection magnetic
Clutch is single to realize that rotary inertia is mutated；Magnetic powder cluth and brake being connected simultaneously again or by motor, though can realize
Torque and the change of inertia, but be only capable of realizing mutation.
【Utility model content】
The utility model, to solve problem above, has done structurally and functionally for irrational place in conventional art
Improvement.The utility model can not only realize the mutation of permanent magnet ac servo system load torque, while can also realize turning
The mutation and multimode gradual change of dynamic inertia.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of double varisets of permanent magnet ac servo system torque inertia, including：Permagnetic synchronous motor, magnetic powder brake,
Magnetic powder cluth and inertia disc；Described permagnetic synchronous motor connects the first reductor, the termination magnetic of the first speed reducer output shaft one
Powder brake, another termination magnetic powder cluth, magnetic powder cluth is connected by axle with the second reductor；
Described inertia disc is set on the supporting plate, and inertia disc includes rotating disk, the 3rd reductor, small machine, module and cunning
Block, supporting plate is set on the supporting plate by upright supports, rotating disk, and the second reductor is connected by thrust ball bearing with rotating disk；
Adpting flange is provided with rotating disk, small machine is connected by the 3rd reductor with adpting flange, and adpting flange side is provided with mould
Group, sets sliding block on module.
Described module sets two, and two modules are symmetrical arranged.
Described thrust ball bearing is double-direction thrust ball bearing.
The first described speed reducer output shaft is connected by shaft coupling with magnetic powder cluth, and shaft coupling is positive coupling.
Described magnetic powder brake is arranged on baffle plate, and the first reductor is arranged in reductor fixed plate, baffle plate, deceleration
Machine fixed plate, magnetic powder cluth, column and the second reductor are each attached on base.
Described magnetic powder brake, the first reductor, magnetic powder cluth and the second reductor are coaxially disposed.
A kind of control method based on the double varisets of described permanent magnet ac servo system torque inertia, including torque is prominent
Become, inertia is mutated and three kinds of mode of operations of inertia gradual change；
Torque mutation mode of operation is to control magnetic powder brake by permagnetic synchronous motor, when encouraging in magnetic powder brake
When thering is electric current to pass through in magnetic coil, exciting curent and the transmission proportional example linear relationship of torque, by controlling magnetic powder brake in
The size of exciting curent realizes the control to load torque, so as to realize the mutation to torque；
Inertia mutation mode of operation is by the disengaging of magnetic powder cluth and combines and realize the control to rotary inertia disk,
When magnetic powder cluth is in disengaged position, clutch output shaft is not connected to load, and motor and clutch are in synchronous working shape
State, by controlling magnetic powder cluth to depart from and combining, realizes the mutation of system rotary inertia；
Inertia gradual change mode of operation is that, when magnetic powder cluth is in bonding state, its output shaft connects the transmission of the second reductor
Inertia, the output termination inertia disc of the second reductor, rotary inertia disk rotates in the horizontal plane, and module inner slide does straight line shifting
Move and horizontally rotate, by mobile inertia disc inner slide, change the Mass Distribution of inertia disc, change system rotary inertia, realize
System inertia multimode gradual change.
The implementation steps of inertia multimode gradual change are：
By rotary inertia and the relation and parallel axis principle of quality, the rotary inertia relational expression of inertia disc is obtained：
J (M)=J1+Jm； (1)
Wherein, J1For small machine, the 3rd reductor, rotating disk inertia sum；JmIt is the rotary inertia of sliding block, is sliding block position
Put the function with quality；Permagnetic synchronous motor, the first decelerator and the second reductor, magnetic powder cluth, shaft coupling and other portions
The rotary inertia for dividing is fixed value, is designated as J2；
Then the total rotary inertia J of servo-drive system is exactly the rotary inertia J (M) and other rotary inertias J of inertia disc2It is folded
Plus, i.e.,：
J=Jm+J1+J2；(2) quality point of inertia disc is changed by changing the position of sliding block
Cloth, so as to change the rotary inertia J of sliding blockm, reach the purpose of the total rotary inertia J of change system.
Relative to prior art, the utility model has advantages below：
The utility model is to ensure torque mutation and the variable reliability of inertia, employs reductor to carry out load torque
Transmission, by permagnetic synchronous motor and magnetic powder brake, magnetic powder cluth, motor is coupled together with inertia disc.In order to permanent magnetism is handed over
The stream multifarious requirement of function of servo system, magnetic powder cluth and magnetic powder brake are fused in same device, by control
Exciting curent in magnetic powder brake processed realizes the mutation of torque, by controlling the disengaging and combination of magnetic powder cluth, again may be used
To realize the mutation and gradual change of rotary inertia.The mutation of servo-drive system load torque can be not only realized, while can also realize
The mutation and multimode gradual change of rotary inertia.Permagnetic synchronous motor is controlled to export by controlling the exciting curent of magnetic powder brake
Load torque on axle, realizes the mutation of torque；By controlling the disengaging of magnetic powder cluth and being implemented in combination with the mutation of inertia；It is logical
The position of control inertia disc inner slide is crossed, changes the Mass Distribution of inertia disc, realize the multimode gradual change of inertia.The utility model
Overcome that traditional servo characteristic test device volume is big, structure is lengthy and jumbled, the shortcoming of unitary function and measuring accuracy difference, and will be negative
Set torque is mutated and rotary inertia changeable is melted into same device, vdiverse in function with simple and stable structure, test essence
Degree is high, the characteristics of debugging and be easy to maintenance, for the checking of Load Torque Identification and identification of rotational inertia algorithm is provided effectively
Means.
Further, the utility model have also been devised double modular structures, add the dress such as thrust ball bearing and positive coupling
Put, it is ensured that the reliability of control system and the stability of operation.To ensure the control accuracy and fortune of permanent-magnet AC. servomechanism installation
Capable stability, inertia disc is by the way of bimodulus group is symmetrical；It is the stability for increasing inertia plant running, in intermediate plate and used
Double-direction thrust ball bearing is disposed between amount disk.
Further, in order that device can compensate for the relative displacement produced because servo-drive system runs at high speed.This practicality
It is new to employ the positive coupling that lightweight, inertia is low and sensitivity is high.
The utility model control method can work under Three models：By control the exciting curent of magnetic powder brake come
Load torque on control permagnetic synchronous motor output shaft, realizes the mutation of torque；By control magnetic powder cluth disengaging and
It is implemented in combination with the mutation of inertia；By controlling the position of inertia disc inner slide, change the Mass Distribution of inertia disc, realize inertia
Multimode gradual change.
【Brief description of the drawings】
Fig. 1 is the double variset entirety graphics of permanent magnet ac servo system torque inertia of the present utility model；
Fig. 2 is the double variset inertia disc structure charts of permanent magnet ac servo system torque inertia of the present utility model.
In figure, 1- magnetic powder brakes；2- baffle plates；3- reductor fixed plates；The reductors of 4- first；5- shaft couplings；6- magnetics
Clutch；7- nuts；8- bases；9- studs；10- columns；The reductors of 11- second；12- supporting plates；13- thrust ball bearings；14-
Module；15- rotating disks；16- sliding blocks；17- adpting flanges；The reductors of 18- the 3rd；19- small machines；20- permagnetic synchronous motors.
【Specific embodiment】
Further to illustrate the technical scheme that the utility model is used, below in conjunction with accompanying drawing to tool of the present utility model
Body implementation method is described in detail.The implementation method is only applicable to description and interpretation the utility model, does not constitute to this
The restriction of utility model protection scope.
As shown in figure 1, a kind of double varisets of permanent magnet ac servo system torque inertia of the present utility model, its structure bag
Include permagnetic synchronous motor 20, reductor, magnetic powder brake 1, magnetic powder cluth 6, shaft coupling 5, thrust ball bearing 13, small machine
19th, the structure such as module 14 and sliding block 16, magnetic powder brake 1 is controlled by permagnetic synchronous motor 20, is had when in magnetic powder brake 1
When exciting curent passes through, due to exciting curent and the transmission proportional example linear relationship of torque, by controlling magnetic powder brake 1 in
The size of exciting curent realizes the control to load torque；Control to inertia disc is realized by magnetic powder cluth 6, when magnetic from
When clutch 6 is in bonding state, its output shaft connects decelerator transmission torque, and inertia disc rotates in the horizontal plane, module
14 inner slides 16 move linearly and horizontally rotate, the rotary inertia for changing inertia disc be by mobile inertia disc inner slide 16,
So as to change the Mass Distribution of inertia disc, the purpose that multimode changes system rotary inertia is played.
First provide a kind of specific embodiment of embodiment of the utility model：
As depicted in figs. 1 and 2, permagnetic synchronous motor 20 connects the first reductor 4 being fixed on base 8, the first reductor 4
Output shaft one terminates magnetic powder brake 1, another termination magnetic powder cluth 6.Supporting plate 12 is fixed on base 8 by column 10,
The lower section of supporting plate 12 is provided with the second reductor 11, and magnetic powder cluth 6 connects the second reductor 11；It is provided with supporting plate 12 and is turned
Disk 15, the second reductor 11 is connected with rotating disk 15；Rotating disk 15 is connected by thrust ball bearing 13 with supporting plate 12.Set on rotating disk 15
Adpting flange 17 is equipped with, small machine 19 is provided with adpting flange 17, small machine 19 connects the 3rd reductor 18, adpting flange 17
Both sides are provided with module 14, and sliding block 16 is provided with module 14, and small machine 19 drives sliding block 16 for linear motion on module 14.
When the output end of magnetic powder cluth 6 is not connected to load, i.e., when in disengaged position, control magnetic powder brake 1 has excitatory
Electric current passes through, because exciting curent is substantially linear with the torque of transmission in magnetic powder brake 1, as long as change excitatory electricity
The size of stream, it is possible in the size of interior control torque in a big way, therefore by changing exciting curent in magnetic powder brake 1
Size can just realize the mutation of load torque.
The control for realizing rotating inertia disc by the disengaging and combination of magnetic powder cluth 6, when magnetic powder brake 1 is in
When disengaged position is that no exciting curent passes through, the output shaft of magnetic powder cluth 6 is not connected to load, permagnetic synchronous motor 20 and magnetic
Clutch 6 is in synchronous working state.By controlling the exciting curent of magnetic powder cluth 6 come controlled motor axle and magnetic powder cluth
6 disengaging and engagement, realizes the mutation of system rotary inertia.
When magnetic powder cluth 6 is in bonding state, its output shaft connects the transmission torque of the second reductor 11, and second subtracts
The output termination inertia disc of fast machine 11, rotary inertia disk rotates in the horizontal plane, the inner slide 16 of module 14 do rectilinear movement and
Horizontally rotate, therefore it is by mobile inertia disc inner slide 16, so as to change the matter of inertia disc to change the rotary inertia of inertia disc
Amount distribution, plays the purpose of change system rotary inertia, the characteristics of realize permanent magnet ac servo system inertia multimode gradual change.
The implementation steps of inertia gradual change are：
Inertia disc rotary inertia and sliding block 16 are derived by the relation and parallel axis principle of rotary inertia and quality
The relation of quality：
J (M)=J1+Jm； (1)
Wherein J1It is small machine 19, reductor, the inertia sum of rotating disk 15 (including fixing device and attachment means), JmFor
The rotary inertia of sliding block 16 and the relation of quality.Permagnetic synchronous motor 20, decelerator, magnetic powder cluth 6, shaft coupling 5 etc. other
Partial rotary inertia is fixed value, is designated as J2；So, the total rotary inertia J of servo-drive system is exactly the rotary inertia J of inertia disc
And other rotary inertias J (M)2Superposition.I.e.：
J=Jm+J1+J2 (2)
The control of the double varisets of permanent magnet ac servo system torque inertia in sum, involved by the utility model
Method, can both realize the mutation of servo-drive system torque, while can realize the mutation and multimode gradual change of rotary inertia again.It is logical
Cross the exciting curent of control magnetic powder brake 1 to control the load torque on the output shaft of permagnetic synchronous motor 20, realize torque
Mutation；By controlling the disengaging of magnetic powder cluth 6 and being implemented in combination with the mutation of inertia；By the position for controlling inertia disc inner slide 16
Put, change the Mass Distribution of inertia disc, realize the multimode gradual change of inertia.
Compared to conventional method, the utility model has simple and stable structure, and small volume is vdiverse in function, and measuring accuracy is high,
The characteristics of debugging and be easy to maintenance.Load torque mutation and torque inertia changeable are melted into same device by the utility model
In, for the checking of Load Torque Identification and identification of rotational inertia algorithm provides effective means.
The utility model have also been devised the symmetrical structure of bimodulus group 14, add double-direction thrust ball bearing 13 and positive coupling
5, this considerably increases the reliability and the stability of operation of the double varisets of permanent magnet ac servo system torque inertia.
The above combination accompanying drawing is described in detail to the utility model specific embodiment, but the utility model is simultaneously
It is not limited to above-mentioned implementation method, it is every any simply to be repaiied according to what technical spirit of the present utility model was done to embodiment of above
Change, belong within the technical scope of the utility model protection.
Claims (6)
1. double varisets of a kind of permanent magnet ac servo system torque inertia, it is characterised in that including：Permagnetic synchronous motor
(20), magnetic powder brake (1), magnetic powder cluth (6) and inertia disc；Described permagnetic synchronous motor (20) connects the first reductor
(4), the first reductor (4) output shaft one terminates magnetic powder brake (1), another termination magnetic powder cluth (6), magnetic powder cluth
(6) it is connected with the second reductor (11) by axle；
Described inertia disc is arranged in supporting plate (12), and inertia disc includes rotating disk (15), the 3rd reductor (18), small machine
(19), module (14) and sliding block (16), supporting plate (12) are supported by column (10), and rotating disk (15) is arranged on supporting plate (12)
On, the second reductor (11) is connected by thrust ball bearing (13) with rotating disk (15)；Rotating disk is provided with adpting flange on (15)
(17), small machine (19) is connected by the 3rd reductor (18) with adpting flange (17), and adpting flange (17) side is provided with mould
Group (14), sets sliding block (16) on module (14).
2. a kind of double varisets of permanent magnet ac servo system torque inertia according to claim 1, it is characterised in that institute
The module (14) stated sets two, and two modules (14) are symmetrical arranged.
3. a kind of double varisets of permanent magnet ac servo system torque inertia according to claim 1, it is characterised in that institute
The thrust ball bearing (13) stated is double-direction thrust ball bearing (13).
4. a kind of double varisets of permanent magnet ac servo system torque inertia according to claim 1, it is characterised in that institute
The first reductor (4) output shaft stated is connected by shaft coupling (5) with magnetic powder cluth (6), and shaft coupling (5) is rigid shaft coupling
Device.
5. a kind of double varisets of permanent magnet ac servo system torque inertia according to claim 1, it is characterised in that institute
The magnetic powder brake (1) stated on baffle plate (2), the first reductor (4) in reductor fixed plate (3), baffle plate
(2), reductor fixed plate (3), magnetic powder cluth (6), column (10) and the second reductor (11) are each attached on base (8).
6. a kind of double varisets of permanent magnet ac servo system torque inertia according to claim 1, it is characterised in that institute
Magnetic powder brake (1), the first reductor (4), magnetic powder cluth (6) and the second reductor (11) stated are coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379855.0U CN206283440U (en) | 2016-12-15 | 2016-12-15 | A kind of double varisets of permanent magnet ac servo system torque inertia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379855.0U CN206283440U (en) | 2016-12-15 | 2016-12-15 | A kind of double varisets of permanent magnet ac servo system torque inertia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283440U true CN206283440U (en) | 2017-06-27 |
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ID=59074098
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621379855.0U Expired - Fee Related CN206283440U (en) | 2016-12-15 | 2016-12-15 | A kind of double varisets of permanent magnet ac servo system torque inertia |
Country Status (1)
| Country | Link |
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| CN (1) | CN206283440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788024A (en) * | 2016-12-15 | 2017-05-31 | 西安交通大学 | A kind of double varisets of permanent magnet ac servo system torque inertia and its control method |
-
2016
- 2016-12-15 CN CN201621379855.0U patent/CN206283440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788024A (en) * | 2016-12-15 | 2017-05-31 | 西安交通大学 | A kind of double varisets of permanent magnet ac servo system torque inertia and its control method |
| CN106788024B (en) * | 2016-12-15 | 2023-09-15 | 西安交通大学 | Torque and inertia double-variable device of permanent magnet alternating current servo system and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20191215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |