CN106884926A - The selectable longitudinal linear vibration restraining device of passively/active control - Google Patents

The selectable longitudinal linear vibration restraining device of passively/active control Download PDF

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Publication number
CN106884926A
CN106884926A CN201710232838.7A CN201710232838A CN106884926A CN 106884926 A CN106884926 A CN 106884926A CN 201710232838 A CN201710232838 A CN 201710232838A CN 106884926 A CN106884926 A CN 106884926A
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China
Prior art keywords
outer sleeve
sleeve body
active
passive
vibration
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CN201710232838.7A
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Chinese (zh)
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CN106884926B (en
Inventor
董小闵
李文峰
席军
于建强
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Chongqing University
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Chongqing University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535Magnetorheological [MR] fluid dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00Nature of movement
    • F16F2232/06Translation-to-rotary conversion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a kind of passive/selectable longitudinal linear vibration restraining device of active control, linear motion including stand, the rotary magnetorheological damper being arranged on stand and for longitudinal linear vibration to be produced is converted to rotary motion so that rotary magnetorheological damper be filled with the movement conversion mechanism for being suppressed, rotary magnetorheological damper magnetic flow liquid and can change Shear Yield Stress of Magnetorheological Fluids under magnetic fields to vibrating;Also include being rotated for active drive outer sleeve body so that rotary magnetorheological damper coordinates the active suppression drive mechanism for carrying out Active vibration suppression with movement conversion mechanism;This equipment for inhibiting of vibration not only has the security of passive vibration damping and half active damping, but also the performance with active damping;It is applicable on Photoelectric Tracking and Aiming type intelligence vibration-isolating platform, after being installed on multi-degree-of-freedom vibration isolation platform, effectively the vibration that vehicle environment is caused effectively can be suppressed, improves the job stability of Photoelectric Tracking and Aiming equipment.

Description

The selectable longitudinal linear vibration restraining device of passively/active control
Technical field
The present invention relates to structural vibration control platform field, more particularly to a kind of passive/selectable longitudinal direction of active control Straight-line oscillation restraining device.
Background technology
Structural vibration control is one of high-tech area of current structure engineering, and whether foundation needs outside resources, structure Control can be divided into passive control, active control, semi- active control and mixing four classes of control, and passive control is also referred to as Passive Shape Control, it Outside input energy is not needed, and the process of active control then depends on dynamic excitation and structural response information, and need outside Input energy, there is provided controling power, semi- active control also utilizes structural response or dynamic excitation information, but only needs to be input into a small amount of energy Amount reaches the purpose for changing structural dynamic characteristic so as to mitigate response to change control system form.Mixing control is referred to The mixing application of three classes control is stated, applies actively and passively to control in structure simultaneously, it is responded for global analysis, has both overcome pure quilt The application limitation of dynamic control, also reduces controling power, and then reduces power, submission, the energy and the maintenance cost of external control devices, The reliability of increase system.
In Photoelectric Tracking and Aiming technical field, stability when Photoelectric Tracking and Aiming equipment works to its support platform under vibration It is required that it is very high, equipment is placed in when on vehicular platform, the flexibility of system can be improved, more information are obtained, but it is vehicle-mounted The random vibration of environment and impact, by the stability of the system of influence, are that the random vibration of vehicle environment is suppressed, it is ensured that light The normal operation of electric pointing equipment, in the prior art, for the outside longitudinal linear vibration of the random vibration structure of vehicle environment Restraining device have various, generally using oil damper, produced by flow channel that variable cross section is accumulated using fluid and The adaptable damping force of external environment condition, this method is needed using valve arrangement control flow channel by area, causes the structure can It is not high by property, it is easy to produce failure;On the other hand, need to adapt to complicated external environment condition due to being controlled structure, common fluid subtracts The damping characteristic of device of shaking cannot follow the external environment condition to carry out Automatic adjusument, cause controlled structure objects to be difficult to the property being optimal Energy;To solve this problem, someone is devised a kind of being combined with flexible member using MR damper and carries out vibration suppression The selectable longitudinal linear vibration restraining device of passively/active control, and movement conversion mechanism is provided with, flexible member is set Between movement conversion mechanism and straight-line oscillation restraining device, the device is only capable of realizing the vibration damping control of passive-half active, not only Passive damping property is poor, half active damping limited capacity, and can not realize active damping, and vibration-damping function is limited, and the dress Put that structure is complex and structure is not compact enough, in being unfavorable for using various precision equipments.
Accordingly, it would be desirable to be improved to existing structural vibration control device, make its simple structure and compact, not only have The security of passive vibration damping and half active damping, but also the performance with active damping, and observable index is relatively low.
The content of the invention
In view of this, the present invention provides a kind of passive/selectable longitudinal linear vibration restraining device of active control, its knot Structure is simple and compact, the not only security with passive vibration damping and half active damping, but also the performance with active damping, and Observable index is relatively low.
Passive/selectable longitudinal linear vibration restraining device of active control of the invention, including stand, it is arranged at stand On rotary magnetorheological damper and the linear motion for longitudinal linear vibration to be produced be converted to rotary motion so that rotation The movement conversion mechanism that transition MR damper is suppressed to vibration;
Rotary magnetorheological damper includes supporting the overcoat being arranged on the stand in the way of it can be driven and rotated Rotor that body and outer sleeve body inner sleeve are rotatably assorted and the magnetic flow liquid being filled between outer sleeve body and rotor, the magnetic flow liquid Shear yield stress can be changed under magnetic fields so that rotary magnetorheological damper is controlled to turn to semi- active control from passive Become;
The rotor of the rotary magnetorheological damper is placed in the rotary motion output par, c of the movement conversion mechanism And be fixedly connected;
Passive/selectable longitudinal linear vibration the restraining device of active control also includes being used for active drive outer sleeve body Rotate so that rotary magnetorheological damper coordinates the active suppression driving machine for carrying out Active vibration suppression with movement conversion mechanism Structure, locking can be formed under the active suppression drive mechanism off working state to outer sleeve body.
Further, annular damper chamber is formed between the side wall of rotor and outer sleeve body, magnetic flow liquid is filled in annular damper chamber It is interior.
Further, movement conversion mechanism is ball-screw nut mechanism, and it includes the silk for bearing oscillating load effect Thick stick axle and match somebody with somebody with lead screw shaft and merge the ball nut to form movement output part, the rotary magnetorheological is placed in ball nut The rotor of damper is simultaneously fixedly connected.
Further, the magnet exciting coil for producing magnetic field to change Shear Yield Stress of Magnetorheological Fluids is provided with rotor.
Further, on outer sleeve body madial wall circumferentially arranged with annular groove, annular damper chamber by rotor lateral wall and ring Connected in star is surrounded jointly, is additionally provided between outer sleeve body madial wall and the lateral wall of rotor close for what is sealed to annular damper chamber Sealing.
Further, rotor upper and lower ends are equipped with by bearing with outer sleeve body respectively.
Further, active suppression drive mechanism includes motor and is arranged on outer sleeve body and for the power output with motor The gear ring of engagement is held, cooperation realization engage to the locking of outer sleeve body with gear ring when motor is powered off.
Further, gear ring is integrally formed the bottom for being arranged at outer sleeve body.
Further, it is equipped with by bearing unit between outer sleeve body and stand, bearing unit includes being fixedly connected with stand Outer ring, overcoat be fixed on the inner ring and the rotating sphere that is arranged between outer ring and inner ring of outer sleeve body setting.
Beneficial effects of the present invention:Passive/selectable longitudinal linear vibration restraining device of active control of the invention, leads to Cross the motion importation and fixation that rotary magnetorheological damper is placed in the rotary motion output par, c of movement conversion mechanism The linear motion that structural vibration is produced is converted to rotary motion by connection, movement conversion mechanism so that rotary magnetorheological is damped Device suppresses to vibration, whole when not applying under magnetic fields and active suppression drive mechanism off position to magnetic flow liquid Body equipment for inhibiting of vibration is in passive vibration suppression pattern, changes shear yield stress and actively presses down when magnetic flow liquid applies magnetic field Under drive mechanism off position processed, body vibration restraining device is in half Active vibration suppression pattern, when active suppression drives When the outer sleeve body of mechanism's task driven rotary magnetorheological damper is with respect to gantry rotation, body vibration restraining device has the initiative Vibration suppression pattern;That is the present invention not only simple structure and compact, and its vibration suppression pattern can be existed as the case may be Passively, half actively, actively under selected, i.e., the security with passive vibration damping and half active damping, it may have actively subtract The performance shaken, and observable index is relatively low.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Fig. 1 is schematic structural view of the invention, as shown in the figure:The selectable longitudinal direction of passive/active control of the present embodiment is straight Linearly coupled restraining device, is primarily adapted for use on Photoelectric Tracking and Aiming type intelligence vibration-isolating platform, is being installed on multi-degree-of-freedom vibration isolation platform Afterwards, effectively the vibration that vehicle environment is caused effectively can be suppressed, so as to improve the job stability of Photoelectric Tracking and Aiming equipment;Should Equipment for inhibiting of vibration includes stand 1, the rotary magnetorheological damper being arranged on stand 1 and for longitudinal linear vibration to be produced Raw linear motion is converted to rotary motion so that rotary magnetorheological damper is to vibrating the movement conversion mechanism for being suppressed;
Rotary magnetorheological damper includes supporting the overcoat being arranged on the stand 1 in the way of it can be driven and rotated Body 2 and the inner sleeve of outer sleeve body 2 rotor 3 being rotatably assorted and the magnetic flow liquid 4 being filled between outer sleeve body 2 and rotor 3, it is magnetorheological Liquid 4 can change shear yield stress under magnetic fields so that rotary magnetorheological damper is from passively controlling to semi- active control Transformation;
The rotor 3 of rotary magnetorheological damper and fixed company are placed in the rotary motion output par, c of movement conversion mechanism Connect;The selectable longitudinal linear vibration restraining device of passively/active control also include rotated for active drive outer sleeve body 2 so that Rotary magnetorheological damper coordinates the active suppression drive mechanism for carrying out Active vibration suppression, the master with movement conversion mechanism It is dynamic to suppress that locking is formed to outer sleeve body 2 under drive mechanism off working state.
As illustrated, rotary magnetorheological damper installing space is provided with stand 1, rotary magnetorheological damper peace In stand 1, movement conversion mechanism is arranged in rotary magnetorheological damper, when structure integrally produces longitudinal linear vibration When, the linear motion of generation is converted into rotary motion by movement conversion mechanism, hindered by rotational movement rotary magnetorheological The motion importation motion of Buddhist nun's device, so as to produce vibration damping;The present invention can be used in the heavy constructions such as bridge, house Vibration damping field, it is possible to use on the precision equipment of smaller size smaller.
Rotor 3 forms the motion importation of rotary magnetorheological damper, i.e., the rotation after being changed by movement conversion mechanism Transhipment is dynamic to be input into damper by rotor 3, is changed when the shear yield stress of magnetic flow liquid in damper is not issued in magnetic fields During change and under the non-working condition of active suppression drive mechanism, overall equipment for inhibiting of vibration by rotary magnetorheological liquid 4 rotor 3 Passive rotational shear magnetic flow liquid 4 and there is the vibration suppression of Passive Mode;When magnetic flow liquid 4 changes shearing under magnetic fields During yield stress, and now active suppression drive mechanism is not worked, then body vibration restraining device is in because of the class of magnetic flow liquid 4 Solid state and under the half Active vibration suppression pattern that produces;At active suppression drive mechanism working condition and magnetic flow liquid 4 When under magnetic fields, active suppression drive mechanism can drive outer sleeve body 2 to produce the rotation relative to stand 1, and due to magnetorheological Liquid 4 is changed into class solid-state from liquid so that the rotor 3 of MR damper is acted with the one of outer sleeve body 2, so as to realize the master of device Dynamic control.
In the present embodiment, annular damper chamber is formed between the side wall of rotor 3 and outer sleeve body 2, magnetic flow liquid 4 is filled in annular In damping cavity;Magnetic flow liquid 4 is mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic liquid Suspended substance, it can be changed into class solid-state under magnetic fields from liquid, magnetic flow liquid 4 be filled in it is being sealed and by rotor 3 with In the annular damper chamber formed between the side wall of outer sleeve body 2, simple structure, it is easy to accomplish, and there is phase with outer sleeve body 2 in rotor 3 There is passive vibration suppression during to rotating, and rotor 3 can be facilitated to be formed with outer sleeve body 2 when magnetic flow liquid 4 is under magnetic fields Integral structure.
In the present embodiment, movement conversion mechanism is ball-screw nut mechanism, and it is included for bearing oscillating load effect Lead screw shaft 5 and match somebody with somebody with lead screw shaft 5 and merge the ball nut 6 to form movement output part, ball nut 6 is interior to be placed on the rotation The rotor 3 of type MR damper is simultaneously fixedly connected;Movement conversion mechanism, except being ball-screw nut mechanism, can also be leading screw spiral shell The mechanism of the achievable straight line such as parent agency, gear & rack structure-rotational motion conversion, being realized by movement conversion mechanism will longitudinal direction The motion of straight-line oscillation and energy are converted to the motion and energy for circumferentially rotating;On the one hand realize to be linearly moved to and circumferentially rotate The conversion of motion mode, on the other hand realizes more energetically, compared with thin tail sheep energy mode to low-force, larger displacement energy mode Conversion;In addition, as illustrated, ball nut 6 be close in be enclosed within inside rotor 3, lead screw shaft 5 is in the ball nut 6 through simultaneously For with bear external load, the upper end of ball nut 6 is provided with radial flange 7, and the upper end of rotor 3 and radial flange 7 are against whole The vibration suppression group device of body also includes upper press cover 8, and screw 9 sequentially passes through upper press cover 8, radial flange 7 and stretches into rotor 3 The interior formation ball nut 6 of wall is fixedly connected with rotor 3.
In the present embodiment, the excitation wire for producing magnetic field to change the shear yield stress of magnetic flow liquid 4 is provided with rotor 3 Circle 10;As illustrated, the outer circumference of rotor 3 is provided with coil mounting groove, magnet exciting coil 10 is arranged in coil mounting groove, and Set at least one to enclose, the installation position of magnet exciting coil 10 is just set annular damper chamber, magnetorheological when magnet exciting coil 10 is not powered on Liquid 4 will not produce the change of shear yield stress, i.e., the transformation from liquid to class solid-state will not occur, and MR damper is in Under passive vibration damping state, when magnet exciting coil 10 is powered, and magnetic field intensity can be changed according to electrical current value, so as to change damping Damping torque between the outer sleeve body 2 and rotor 3 of device, realizes the semi- active control of single unit system.
In the present embodiment, circumferentially arranged with annular groove on the madial wall of outer sleeve body 2, annular damper chamber by rotor 3 outside Wall is surrounded jointly with annular groove, is additionally provided between the lateral wall of the madial wall of outer sleeve body 2 and rotor 3 for annular damper chamber The seal 11 of sealing;Be provided with the mounting groove of seal 11 on rotor 3, seal 11 is sealing ring, rotor 3 by sealing ring tightly Compression leans against the sealing formed on the madial wall of outer sleeve body 2 to annular damper chamber axial direction upper and lower ends.
In the present embodiment, the upper and lower ends of rotor 3 are equipped with by bearing 12 with outer sleeve body 2 respectively;As illustrated, rotor 3 periphery is provided with annular boss, and coil mounting groove and the mounting groove of seal 11 are arranged at outer sleeve body 2 on annular boss Bearing block is inside provided with, bearing is arranged on bearing block.
In the present embodiment, active suppression drive mechanism includes motor 13 and is arranged on outer sleeve body 2 and is used for and motor 13 Clutch end engagement gear ring 14, engage cooperation realization to the locking of outer sleeve body 2 with gear ring 14 when motor 13 is powered off;Outward The portion integral shaping of body 2 is provided with for forming the gear ring 14 that tooth is engaged with motor 13, on the power output shaft of motor 13 It has been provided with the meshed gears 19 of gear ring 14;As illustrated, motor 13 is installed in the supporting plate 15 in stand 1, when motor 13 is disconnected The relative stand 1 of locking, i.e. outer sleeve body 2 is formed not rotatably to outer sleeve body 2 when electric, now rotary magnetorheological damper is in quilt Under dynamic or semi-active vibration-isolating state, and when motor 13 is powered, the self-locking of motor 13 is eliminated, and outer sleeve body 2 can be with respect to stand 1 in electricity Rotation is produced under the driving of machine 13, and now magnet exciting coil 10 is powered, and magnetic flow liquid 4 is changed into class solid-state from liquid so that The rotor 3 of MR damper is acted with the one of outer sleeve body 2, on the one hand, when the motion and energy that put on the vibration of lead screw shaft 5 When, motor 13 is engaged by gear and puts on the ball nut 6 of movement conversion mechanism damping torque, realizes the active of device Control;Another aspect motor 13 is engaged by gear, and driving moment can be put on the ball nut 6 of movement conversion mechanism, and then Lead screw shaft 5 is acted on, drives lead screw shaft 5 to move along a straight line, realize the active lifting control of device;Motor 13 is servomotor 13, Its control is carried out by control algolithm, is prior art, be will not be repeated here.
In the present embodiment, it is equipped with by bearing unit between outer sleeve body 2 and stand 1, bearing unit includes solid with stand 1 The rotating sphere that the outer ring 16, overcoat of fixed connection is fixed on the inner ring 17 of the setting of outer sleeve body 2 and is arranged between outer ring and inner ring 18。
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to skill of the invention Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this In the middle of the right of invention.

Claims (9)

1. a kind of passive/selectable longitudinal linear vibration restraining device of active control, it is characterised in that:Including stand, set Rotary motion is converted in the rotary magnetorheological damper on stand and the linear motion for longitudinal linear vibration to be produced So that the movement conversion mechanism that rotary magnetorheological damper is suppressed to vibration;
The rotary magnetorheological damper includes supporting the overcoat being arranged on the stand in the way of it can be driven and rotated Rotor that body and outer sleeve body inner sleeve are rotatably assorted and the magnetic flow liquid being filled between outer sleeve body and rotor, the magnetic flow liquid Shear yield stress can be changed under magnetic fields so that rotary magnetorheological damper is controlled to turn to semi- active control from passive Become;
The rotor of the rotary magnetorheological damper is placed in the rotary motion output par, c of the movement conversion mechanism and is consolidated Fixed connection;
Passive/selectable longitudinal linear vibration the restraining device of active control also includes being rotated for active drive outer sleeve body So that rotary magnetorheological damper coordinates the active suppression drive mechanism for carrying out Active vibration suppression, institute with movement conversion mechanism State and can form locking to outer sleeve body under active suppression drive mechanism off working state.
2. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:Annular damper chamber is formed between the side wall of the rotor and the outer sleeve body, the magnetic flow liquid is filled in the annular resistance In Buddhist nun chamber.
3. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:The movement conversion mechanism be ball-screw nut mechanism, it include for bear oscillating load effect lead screw shaft and with Lead screw shaft forms the ball nut of movement output part with merging, and the rotary magnetorheological damping is placed in the ball nut The rotor of device is simultaneously fixedly connected.
4. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:The magnet exciting coil for producing magnetic field to change Shear Yield Stress of Magnetorheological Fluids is provided with the rotor.
5. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:Circumferentially arranged with annular groove on the outer sleeve body madial wall, lateral wall and institute of the annular damper chamber by the rotor State annular groove to surround jointly, be additionally provided with for annular damper chamber between the outer sleeve body madial wall and the lateral wall of rotor The seal of sealing.
6. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:The rotor upper and lower ends are equipped with by bearing with outer sleeve body respectively.
7. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:Active suppression drive mechanism includes motor and is arranged at the tooth on outer sleeve body and for being engaged with the clutch end of motor Circle, cooperation realization engage to the locking of outer sleeve body when motor is powered off with gear ring.
8. passive/selectable longitudinal linear vibration restraining device of active control according to claim 7, its feature exists In:The gear ring is integrally formed the bottom for being arranged at outer sleeve body.
9. passive/selectable longitudinal linear vibration restraining device of active control according to claim 1, its feature exists In:It is equipped with by bearing unit between the outer sleeve body and the stand, the bearing unit includes being fixedly connected with stand Outer ring, overcoat be fixed on the inner ring and the rotating sphere that is arranged between outer ring and inner ring of outer sleeve body setting.
CN201710232838.7A 2017-04-11 2017-04-11 The selectable longitudinal linear vibration of passively/active control inhibits device Active CN106884926B (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN108194570A (en) * 2018-03-09 2018-06-22 上海材料研究所 A kind of firm elasticity conversion damper
CN108237276A (en) * 2018-03-19 2018-07-03 苏州科技大学 A kind of device and method of automatic inhibition molybdenum filament form and position
CN109268442A (en) * 2018-10-30 2019-01-25 中国船舶重工集团公司第七〇九研究所 A kind of integration active vibration isolation actuator
CN110145566A (en) * 2019-04-28 2019-08-20 东南大学 A kind of revolving type magnetic rheologic damper and its working method of ball-screw-transmission
CN110549156A (en) * 2019-09-03 2019-12-10 西北工业大学 Sucker type magnetorheological damping system and method
WO2020155643A1 (en) * 2019-02-01 2020-08-06 青岛理工大学 Self-powered active-passive compound rotating inertia drive control system
CN111722162A (en) * 2020-07-15 2020-09-29 中国民航大学 Magnetic field testing device for polar coordinate type magnetorheological damper
CN117167428A (en) * 2023-11-01 2023-12-05 南京航空航天大学 Variable damping vibration attenuation device for industrial robot cutting machining and vibration attenuation method thereof

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CN101576141A (en) * 2009-06-04 2009-11-11 重庆大学 Longitudinal linear vibration inhibiting method and device based on rotary magnetorheological device
CN204419973U (en) * 2015-01-29 2015-06-24 西安科技大学 A kind of energy magneto-rheological vibration damper
CN205896014U (en) * 2016-08-09 2017-01-18 河南天一减振器科技有限公司 Can effectively avoid connecting rod novel shock absorber of mill partially

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KR100696934B1 (en) * 2000-03-28 2007-03-21 주식회사 만도 Shock absorber using magnetorheological fluid
US20070045068A1 (en) * 2005-08-24 2007-03-01 Namuduri Chandra S Damping device having controllable resistive force
CN101576141A (en) * 2009-06-04 2009-11-11 重庆大学 Longitudinal linear vibration inhibiting method and device based on rotary magnetorheological device
CN204419973U (en) * 2015-01-29 2015-06-24 西安科技大学 A kind of energy magneto-rheological vibration damper
CN205896014U (en) * 2016-08-09 2017-01-18 河南天一减振器科技有限公司 Can effectively avoid connecting rod novel shock absorber of mill partially

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Publication number Priority date Publication date Assignee Title
CN108194570A (en) * 2018-03-09 2018-06-22 上海材料研究所 A kind of firm elasticity conversion damper
CN108194570B (en) * 2018-03-09 2024-02-13 上海材料研究所有限公司 Rigid-elastic conversion shock absorber
CN108237276A (en) * 2018-03-19 2018-07-03 苏州科技大学 A kind of device and method of automatic inhibition molybdenum filament form and position
CN109268442A (en) * 2018-10-30 2019-01-25 中国船舶重工集团公司第七〇九研究所 A kind of integration active vibration isolation actuator
WO2020155643A1 (en) * 2019-02-01 2020-08-06 青岛理工大学 Self-powered active-passive compound rotating inertia drive control system
CN110145566A (en) * 2019-04-28 2019-08-20 东南大学 A kind of revolving type magnetic rheologic damper and its working method of ball-screw-transmission
CN110549156A (en) * 2019-09-03 2019-12-10 西北工业大学 Sucker type magnetorheological damping system and method
CN111722162A (en) * 2020-07-15 2020-09-29 中国民航大学 Magnetic field testing device for polar coordinate type magnetorheological damper
CN111722162B (en) * 2020-07-15 2022-09-02 中国民航大学 Magnetic field testing device for polar coordinate type magnetorheological damper
CN117167428A (en) * 2023-11-01 2023-12-05 南京航空航天大学 Variable damping vibration attenuation device for industrial robot cutting machining and vibration attenuation method thereof
CN117167428B (en) * 2023-11-01 2024-02-06 南京航空航天大学 Variable damping vibration attenuation device for industrial robot cutting machining and vibration attenuation method thereof

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