CN106594169A - Quasi-zero rigidity inertia actuator - Google Patents
Quasi-zero rigidity inertia actuator Download PDFInfo
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- CN106594169A CN106594169A CN201611203638.0A CN201611203638A CN106594169A CN 106594169 A CN106594169 A CN 106594169A CN 201611203638 A CN201611203638 A CN 201611203638A CN 106594169 A CN106594169 A CN 106594169A
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- movable part
- union joint
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- support member
- component
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a quasi-zero rigidity inertia actuator which comprises a shell, a movable component and a driving component. The movable component is provided with a first supporting component and second supporting components, the first supporting component elastically supports the movable component in the vertical direction, the movable component transmits force to a base through the first supporting component, and the driving component transmits force to the base; and the at least two second supporting components are elastically connected with the movable component in the horizontal direction and are evenly arranged in the circumferential direction of the movable component, the first supporting component is in a static compression state or dynamic compression and stretching alternative state in the vertical direction, and the second supporting components are in a static compression state or dynamic compression state in the horizontal direction. The first supporting component forms a high-static low-dynamic rigidity supporting assembly, the inherent frequency of an assembly formed by the movable component, the first supporting component and the second supporting components can be reduced, the frequency can be close to zero frequency in the ideal state, and the low-frequency even ultra-low-frequency output of the actuator can be increased under the condition that the size and the input current are not increased.
Description
Technical field
The present invention relates to active damping field, and in particular to the non-linear support that a kind of increase actuator low frequency is exerted oneself it is used
Property actuator.
Background technology
With industrial expansion, requirement more and more higher of the people to vibration control.Although and traditional passive vibration isolation technology
There is simple structure, it is easy to accomplish the advantages of, but also have the shortcomings that it is difficult to overcome, after vibrating isolation system structure determination, subtract
Effect of shaking determines, it is impossible to the change of outer scrambling rate is adapted to, while only when driving frequency is more thanTimes vibrating isolation system it is intrinsic
Could play damping effect during frequency, but too low system frequency can cause the quiet deformation excessive when realizing and unstability is asked
Topic, causes a low frequency vibration isolation difficult problem.
Active Vibration Control technology can overcome the problems referred to above, be developed rapidly.Actuator is the weight of active control
Part is wanted, it includes driver part, movable part and resilient support, driver part adopts driving coil, movable part to constitute
One closed magnetic circuit system, on the one hand, the size of exerting oneself of actuator meets left hand rule, its exert oneself size and magnetic field intensity, electric current
Intensity and conductor length are directly proportional, in order to meet use and installation requirement, the volume and current intensity one of existing actuator
As it is unsuitable excessive, and volume again limits magnetic field intensity and conductor length, therefore, exerting oneself for existing actuator is typically small；
On the other hand, the frequency of exerting oneself of actuator is relevant with resilient support, and its frequency of exerting oneself should be greater than movable part and resilient support structure
Into component natural frequency, Authorization Notice No. discloses a kind of double-deck main passive for the Chinese invention patent of CN104500647B
Electromechanical integrated form isolation mounting, it adopts spring as resilient support, and because the rigidity of existing spring is low, its natural frequency is general
Low frequency even intrasonic is unable to reach, therefore, the frequency of exerting oneself of existing actuator is also unable to reach low frequency even intrasonic.It is comprehensive
On, the low frequency of existing actuator is exerted oneself less, thus researching and developing a kind of increases the actuator low frequency inertia that even intrasonic is exerted oneself
Actuator is significant.
The content of the invention
To solve above-mentioned technical problem, the goal of the invention of the present invention is to provide a kind of quasi- zero stiffness inertia actuator,
In the case of volume and input current need not be increased, the low frequency even intrasonic for increasing actuator is exerted oneself.
For achieving the above object, the present invention provides following technical scheme：A kind of quasi- zero stiffness inertia actuator, bag
Shell, movable part and driver part are included, the shell includes base, upper end cover and side wall, the movable part difference
The first support member and guiding parts are provided with, first support member vertically flexibly supports the movable part, institute
State guiding parts and be vertically oriented to the movable part, the movable part is by first support member power transmission to institute
State on base, in the driver part power transmission to the base, the movable part constitutes a closed magnetic circuit system, with synchronous product
The raw active force for driving the driver part vibration and the counteracting force for driving its own vibration, the movable part is additionally provided with the
Two support members, the movable part described in elastic connection and along the activity in the horizontal direction of the second support member described at least two
The circumference of part is uniformly arranged, and first support member is vertically that Static Compression state or dynamic compression stretching replace
State, second support member is in the horizontal direction Static Compression state or dynamic compression state.
The natural frequency of the component that the movable part, first support member and second support member are constituted
Less than the frequency of vibration of the movable part.
Further, first support member adopt board-like complex spring, the board-like complex spring include connecting plate,
Connecting bushing and rubber slab, the connecting plate and the connecting bushing are metal material, and the connecting plate is provided with middle through-hole,
The connecting bushing is co-axially located in the middle through-hole, the rubber slab sulfidization molding in the connecting plate inner side edge and
Between the outer wall of the connecting bushing, the connecting plate is relatively fixed with the base, the connecting bushing and the movable part
Part is relatively fixed and vacantly arranges.
Further, the base portion upwardly extends to form annular boss, the annular boss and the connecting plate phase
To fixation.
Further, second support member adopts pillar complex spring, the pillar complex spring to connect including inner side
Joint, outside union joint and rubber bar, the inner side union joint and the outside union joint are metal material, and the inner side connects
Joint and the outside union joint are coaxially disposed, and the rubber bar sulfidization molding connects in the inner side union joint and the outside
Between head, the inner side union joint is relatively fixed with the movable part, and the outside union joint is relatively fixed with the side wall.
Further, rubber bar decrement in the horizontal direction is adjustable, and the outside union joint passes through the side wall
Through hole, the outside union joint be also threaded with respectively positioned at the through hole both sides adjusting nut.
Further, the movable part includes magnetic cylinder, the permanent magnet being arranged in the magnetic cylinder and is arranged on the magnetic
The fixed plate of cylinder and the permanent magnet upper side position, the fixed plate is relatively fixed respectively with the magnetic cylinder and the permanent magnet,
The driver part includes coil rack and driving coil, and the coil rack is arranged between the magnetic cylinder and the permanent magnet
Air gap in and the base that is connected, the driving coil is wrapped on the coil rack.
Further, the base portion upwardly extends to form cylindrical stent, and the cylindrical stent is used as the coil bone
Frame.
Further, the permanent magnet is upper, and lower position is also respectively provided with, lower yoke, it is described on, lower yoke point
Not between the magnetic cylinder formed on, lower air gap, it is described on, the driver part is respectively provided with lower air gap, described in two
Driver part is cured as an entirety by epoxy resin set.
Further, the guiding parts includes the axis of guide, and the lower end of the axis of guide is connected with the base, described to lead
It is connected with the upper end cover to the upper end of axle, is arranged on the axis of guide and linear bearing is installed, the inner ring of the linear bearing
It is relatively fixed with the axis of guide, the outer ring of the linear bearing is relatively fixed with the movable part, second supporting part
Part is connected between the side wall and the outer ring of the linear bearing.
Further, vibration row of the space between the movable part and the upper end cover slightly larger than the movable part
Journey.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages：
(1) work in the present invention is the present invention by arranging the first support member and Yan Shui that vertically flexibly support
Square to elastic connection the second support member, first support and second support formed a high static low dynamic rate support
Component, when movable part is static, the second support member is in horizontality and does not play a supportive role, and the first support member is born
Duty supports movable part, and at this moment the Static Correction of movable part is little, and when movable part is moved, the second support member plays negative stiffness and makees
With equivalent to making the dynamic rate of the first support diminish, so as to realize movable part, the first support member and the second support
The characteristics of resilient support assemblies that part is constituted have high static low dynamic rate, can reduce the natural frequency of moving component,
Perfect condition can close zero-frequency, therefore, increase the low frequency even intrasonic output of actuator；
(2) size f of exerting oneself of the actuator in the present invention is synthesized by two power of Ampere force and rigidity power, i.e.,Wherein f=BIL is Ampere force, and k is rigidity, and x is displacement of the movable part with regard to static center,
W be Ampere force frequency, wnFor natural frequency, it can be seen that when the frequency of driving force is much smaller than 1 relative to natural frequency, rigidity
The denominator of power can be approximated to be -1 therefore rigidity power is approximately equal to-f, and total exerts oneself close to 0, but when the frequency of driving force is more than solid
When having frequency, both rigidity power and Ampere force direction is identical, and total exerts oneself equal to both sums.Made not by reducing natural frequency
The scope in power area in the same direction is increase only, also increases frequency ratio, increased exerting oneself for low frequency range.And general linear is supported when logical
Crossing can make quiet deformation excessive, bad stability when reduction rigidity reduces natural frequency, and passes through the first support and second and support shape
Into with high static low dynamic non-linear support, not only with high Static stiffness but also with low dynamic stiffness, so as to
In the case of ensureing system stability, reduce natural frequency and be even up to zero natural frequency, increase actuator low frequency and exert oneself.
Description of the drawings
Fig. 1 is the front view of quasi- zero stiffness inertia actuator disclosed by the invention；
Fig. 2 is the upward view of quasi- zero stiffness inertia actuator disclosed by the invention；
Fig. 3 is the rear cross sectional view of Section A-A in Fig. 2；
Fig. 4 is the upward view of section B-B in Fig. 3；
Fig. 5 is the front view of the first support member disclosed by the invention；
Fig. 6 is the top view of the first support member disclosed by the invention；
Fig. 7 is to improve the power curve after the front initial power curve of actuator and improvement after the reduction of moving component natural frequency
Comparison diagram.
Wherein, 110, base；111st, connecting hole；120th, upper end cover；130th, side wall；131st, first interface；132nd, second connect
Mouthful；211st, magnetic cylinder；212nd, permanent magnet；213rd, upper yoke；214th, lower yoke；215th, fixed plate；220th, rubber slab；221st, connection lining
Set；222nd, connecting plate；230th, stay bolt；240th, rubber bar；251st, the axis of guide；252nd, linear bearing；253rd, bolt；310th, drive
Coil；320th, coil rack.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.It is below use
In a preferred embodiment of the explanation present invention, but it is not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 6, as shown in legend therein：
A kind of quasi- zero stiffness inertia actuator, including：
- shell, it includes base 110, upper end cover 120 and side wall 130, and base 110 is provided with and is connected with controlled device
Connecting hole 111, offer first interface 131 and second interface 132 on side wall 130 respectively；
- moving component, it includes movable part, the first support member, the second support member and guiding parts,
-- above-mentioned movable part includes magnetic cylinder 211, the permanent magnet 212 being arranged in magnetic cylinder 211, is separately positioned on permanent magnet
212 it is upper, lower position it is upper, lower yoke 213,214 and be arranged on the fixed plate of magnetic cylinder 211 and the upper side position of upper yoke 213
215, fixation is worn by bolt between fixed plate 215 and magnetic cylinder 211；
-- above-mentioned first support member adopts board-like complex spring, the board-like complex spring to include connecting plate 222, connection lining
Set 221 and rubber slab 220, connecting plate 222 and connecting bushing 221 are metal material, and connecting plate 222 is provided with middle through-hole, even
Connect bushing 221 to be co-axially located in middle through-hole, the sulfidization molding of rubber slab 220 is in the inner side edge and connecting bushing of connecting plate 222
Between 221 outer wall, connecting plate 222 is connected to base 110 and upwardly extends on the annular boss to be formed, fixed plate 215, upper yoke
213rd, permanent magnet 212, lower yoke 214 are worn by a stay bolt 230 and are connected together, and wear one in the unthreaded hole of connecting bushing 221 short
Bolt, the lag bolt is threadedly coupled through the unthreaded hole of above-mentioned connecting bushing 221 with stay bolt 230, and rubber slab 220 is vertically
Resilient support movable part, rubber slab 220 is vertically Static Compression state or dynamic compression stretching alternating state；
-- above-mentioned second support member is using at least two compound bullets of two pillars being circumferentially uniformly arranged along movable part
Spring, the pillar complex spring includes inner side union joint, outside union joint and rubber bar 240, and inner side union joint and outside connect
Head is metal material, and inner side union joint and outside union joint are coaxially disposed, and the sulfidization molding of rubber bar 240 is in inner side union joint and outward
Between the union joint of side, inner side union joint is threadedly coupled with movable part, and outside union joint is threadedly coupled with side wall 130, rubber bar
240 elastic connection movable parts in the horizontal direction, rubber bar 240 is in the horizontal direction Static Compression state or dynamic compression shape
State；
-- above-mentioned guiding parts includes the axis of guide 251 and linear bearing 252, the lower end of the axis of guide 251 by bolt 253 with
Base 110 connects, and the upper end of the axis of guide 251 is connected by bolt with upper end cover 120, and linear bearing 252 is arranged installed in guiding
On axle 251, inner ring and the axis of guide 251 of linear bearing 252 are relatively fixed, the outer ring of linear bearing 252 and magnetic cylinder 211 and/or
Fixed plate 215 is relatively fixed, and the other end of rubber torsional spring 240 is threaded on the outer ring of linear bearing 252；
- driver part, it is separately positioned on two annulars that magnetic cylinder 211 is formed respectively with upper yoke 213 and lower yoke 214
In air gap, including driving coil 310 and coil rack 320, coil rack 320 is arranged on what magnetic cylinder 211 and permanent magnet 212 were formed
It is relatively fixed in air gap and with base 110, driving coil 310 is wrapped on coil rack 320, two driver parts pass through epoxy
Resin set is cured as an entirety.
Wherein, movable part constitutes a closed magnetic circuit system, with it is synchronous produce drive driver part vibration active force and
The counteracting force for driving its own to vibrate, the natural frequency of above-mentioned moving component is less than the frequency of vibration of movable part, movable part
Vibratility adjustment of the space between part and upper end cover 120 slightly larger than above-mentioned movable part.It is not required between movable part and upper end cover
Resilient support is set up again, the invalid distance between movable part and upper end cover is saved, and the whole height of actuator can be reduced
20% or so.
It is to improve going out after the reduction of moving component natural frequency after the front initial power curve of actuator and improvement referring to Fig. 7
Force curve comparison diagram, (because Figure of description is unable to chromatic colour, I am red to being modified as dotted line) actuator goes out
Power size f is synthesized by two power of Ampere force and rigidity power, i.e.,Wherein f=BIL be Ampere force, k
For rigidity, x is displacement of the movable part with regard to static center, and w is Ampere force frequency, wnFor natural frequency, it can be seen that work as drive
When the frequency of power is much smaller than 1 relative to natural frequency, the denominator of rigidity power can be approximated to be -1 therefore rigidity power be approximately equal to-f,
Total exerts oneself close to 0, but when the frequency of driving force is more than natural frequency, and both rigidity power and Ampere force direction is identical, always
Exert oneself equal to both sum.Diagram dotted line is that to reduce natural frequency be curve after original 1/10th, can by figure
To find out, make to not only increase the scope in power area in the same direction by reducing natural frequency, also increase frequency ratio, increased low frequency
Area exerts oneself.And general linear supports and quiet deformation excessive, bad stability can be made when by reducing rigidity and reducing natural frequency,
And pass through the first support and second support formed with high static low dynamic non-linear support, not only with high Static stiffness
And with low dynamic stiffness, so as in the case where system stability is ensured, make natural frequency reduce even up to zero intrinsic frequency
Rate, increases actuator low frequency and exerts oneself.
In a kind of embodiment, the integrative-structure that coil rack 320 is formed in one with base 110.
In a kind of embodiment, the decrement in the horizontal direction of rubber bar 240 is adjustable, and outside union joint passes through side wall 130
Through hole, outside union joint be also threaded with respectively positioned at through hole both sides adjusting nut.
By the decrement for adjusting rubber bar 240, decrement adjustment makes horizontal rubber bar 240 in compressive state so as to produce
Raw negative stiffness, the decrement of rubber bar 240 is relevant with the stiffness ratio of horizontal rubber bar 240 and vertical rubber slab 220, decrement
Value be to be obtained by Theoretical Calculation, rubber bar 240 level and must compress and could produce negative stiffness, could reduction activity group
The natural frequency of part, allows rubber slab 220 and rubber bar 240 to realize high static rigidity and low static rigidity, and rubber bar 240 is counted
Amount can make rubber slab 220 and rubber bar 240 to play a supporting role without limiting with multiple, move back and forth in movable part
When can also reach relatively low dynamic stiffness, reduce the natural frequency of moving component, increase the output of actuator low frequency；Guidance set is one
Kinematic constraint mechanism is planted, unnecessary transverse movement is accurately positioned and is limited to movable part using linear bearing 252, from
And ensure that movable part moves reciprocatingly in the axial direction of the axis of guide 251.
Actuator is installed in control machinery by the connecting hole 111 on base 110 using nut.The magnetic circuit of actuator
Principle is：Permanent magnet 212 → 213 → air gap of upper yoke → magnetic 211 → air gap of cylinder → 214 → permanent magnet of lower yoke 212, thus
Constitute the magnetic circuit of a closing.The driving coil 310 of actuator draws both positive and negative polarity by first interface 131, and by second
Interface 132 is drawn and is connected to outside power amplifier (depending on not going out in figure), power amplifier output current to driving coil 310, when driving coil 310
In when being connected with alternating current, electromagnetic action produces electromagnetic force to driving coil 310, because driving coil 310 is fixed on rustless steel
Coil rack 320, therefore electromagnetic force is delivered to base 110 by stainless steel wire ring framework 320, while the alternation of driving coil 310
Cutting magnetic line makes movable part produce reciprocating motion, and reciprocating motion can make rubber produce restoring force and be delivered to base 110,
The as power output of making a concerted effort of two power.
It is more than the description to the embodiment of the present invention, by the foregoing description of the disclosed embodiments, makes this area special
Industry technical staff can realize or using the present invention.Various modifications to these embodiments come to those skilled in the art
Say and will be apparent, generic principles defined herein can be in the situation without departing from the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, but to accord with
Close the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a kind of quasi- zero stiffness inertia actuator, including shell, movable part and driver part, the shell include base,
Upper end cover and side wall, the movable part is respectively equipped with the first support member and guiding parts, the first support member edge
Vertical direction flexibly supports the movable part, and the guiding parts is vertically oriented to the movable part, the activity
Part by first support member power transmission to the base, in the driver part power transmission to the base, the work
Dynamic component constitutes a closed magnetic circuit system, drives the active force of the driver part vibration with synchronous generation and drives its own to shake
Dynamic counteracting force, it is characterised in that the movable part is additionally provided with the second support member, the second supporting part described at least two
Part movable part described in the elastic connection and circumference along the movable part is uniformly arranged, first supporting part in the horizontal direction
Part is vertically Static Compression state or dynamic compression stretching alternating state, and second support member is in the horizontal direction
Static Compression state or dynamic compression state.
2. quasi- zero stiffness inertia actuator according to claim 1, it is characterised in that first support member adopts plate
Formula complex spring, the board-like complex spring includes connecting plate, connecting bushing and rubber slab, the connecting plate and the connection
Bushing is metal material, and the connecting plate is provided with middle through-hole, and the connecting bushing is co-axially located in the middle through-hole, institute
Rubber slab sulfidization molding is stated between the inner side edge of the connecting plate and the outer wall of the connecting bushing, the connecting plate with it is described
Base is relatively fixed, and the connecting bushing is relatively fixed with the movable part and vacantly arranges.
3. quasi- zero stiffness inertia actuator according to claim 2, it is characterised in that the base portion upwardly extends shape
Boss is circularized, the annular boss is relatively fixed with the connecting plate.
4. quasi- zero stiffness inertia actuator according to claim 1, it is characterised in that second support member adopts post
Formula complex spring, the pillar complex spring includes inner side union joint, outside union joint and rubber bar, the inner side union joint
It is metal material with the outside union joint, the inner side union joint and the outside union joint are coaxially disposed, the rubber bar
Sulfidization molding is between the inner side union joint and the outside union joint, and the inner side union joint is relative with the movable part
Fixed, the outside union joint is relatively fixed with the side wall.
5. quasi- zero stiffness inertia actuator according to claim 4, it is characterised in that the rubber bar is in the horizontal direction
Decrement is adjustable, and the outside union joint passes through the through hole of the side wall, the outside union joint to be also threaded with position respectively
In the adjusting nut of the both sides of the through hole.
6. quasi- zero stiffness inertia actuator according to claim 1, it is characterised in that the movable part include magnetic cylinder,
The permanent magnet being arranged in the magnetic cylinder and the fixed plate for being arranged on the magnetic cylinder and the permanent magnet upper side position, the fixation
Plate is relatively fixed respectively with the magnetic cylinder and the permanent magnet, and the driver part includes coil rack and driving coil, described
Coil rack is arranged in the air gap between the magnetic cylinder and the permanent magnet and the base that is connected, the driving coil
It is wrapped on the coil rack.
7. quasi- zero stiffness inertia actuator according to claim 6, it is characterised in that the base portion upwardly extends shape
Into cylindrical stent, the cylindrical stent is used as the coil rack.
8. quasi- zero stiffness inertia actuator according to claim 6, it is characterised in that upper, the downside position of the permanent magnet
Put and be also respectively provided with, lower yoke, it is described on, lower yoke respectively between the magnetic cylinder formed on, lower air gap is described
On, the driver part is respectively provided with lower air gap, two driver parts are cured as an entirety by epoxy resin set.
9. quasi- zero stiffness inertia actuator according to claim 1, it is characterised in that the guiding parts includes being oriented to
Axle, the lower end of the axis of guide is connected with the base, and the upper end of the axis of guide is connected with the upper end cover, the axis of guide
On be arranged linear bearing be installed, the inner ring of the linear bearing is relatively fixed with the axis of guide, the linear bearing it is outer
Circle is relatively fixed with the movable part, second support member be connected to the side wall and the linear bearing outer ring it
Between.
10. quasi- zero stiffness inertia actuator according to claim 1, it is characterised in that the movable part with it is described on
Vibratility adjustment of the space between end cap slightly larger than the movable part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203638.0A CN106594169B (en) | 2016-12-23 | 2016-12-23 | A kind of quasi- zero stiffness inertia actuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203638.0A CN106594169B (en) | 2016-12-23 | 2016-12-23 | A kind of quasi- zero stiffness inertia actuator |
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| Publication Number | Publication Date |
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| CN106594169A true CN106594169A (en) | 2017-04-26 |
| CN106594169B CN106594169B (en) | 2019-03-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654552A (en) * | 2017-08-31 | 2018-02-02 | 哈尔滨工程大学 | A kind of quasi-zero stiffness vibration isolators that centering regulation is carried out using piezoelectric patches |
| CN109667868A (en) * | 2018-12-25 | 2019-04-23 | 西安交通大学 | Resonant line spectrum inertia actuator, active control system and control method |
| CN109681572A (en) * | 2018-11-30 | 2019-04-26 | 上海交通大学 | A kind of vibration isolation device and power-equipment |
| CN112413044A (en) * | 2020-11-18 | 2021-02-26 | 中国核动力研究设计院 | Ultralow frequency inertial type actuator |
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| US20160084338A1 (en) * | 2014-09-24 | 2016-03-24 | Keihin Corporation | Active vibration isolation device |
| CN104500647A (en) * | 2015-01-04 | 2015-04-08 | 哈尔滨工程大学 | Double-layer active-passive electromechanical integrated type vibration isolation device |
| CN104989776A (en) * | 2015-07-08 | 2015-10-21 | 中国船舶重工集团公司第七一九研究所 | Electromagnetic type active and passive composite vibration isolator |
| CN206468742U (en) * | 2016-12-23 | 2017-09-05 | 苏州东菱智能减振降噪技术有限公司 | A kind of quasi- zero stiffness inertia actuator |
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| CN107654552A (en) * | 2017-08-31 | 2018-02-02 | 哈尔滨工程大学 | A kind of quasi-zero stiffness vibration isolators that centering regulation is carried out using piezoelectric patches |
| CN107654552B (en) * | 2017-08-31 | 2019-07-16 | 哈尔滨工程大学 | A kind of quasi-zero stiffness vibration isolators for carrying out adjusting neutrality using piezoelectric patches |
| CN109681572A (en) * | 2018-11-30 | 2019-04-26 | 上海交通大学 | A kind of vibration isolation device and power-equipment |
| CN109681572B (en) * | 2018-11-30 | 2020-06-30 | 上海交通大学 | Active and passive vibration isolator and power equipment |
| CN109667868A (en) * | 2018-12-25 | 2019-04-23 | 西安交通大学 | Resonant line spectrum inertia actuator, active control system and control method |
| CN112413044A (en) * | 2020-11-18 | 2021-02-26 | 中国核动力研究设计院 | Ultralow frequency inertial type actuator |
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