CN205883084U - Realize whole star self -power owner integrated nonlinear vibration controlling means passively - Google Patents
Realize whole star self -power owner integrated nonlinear vibration controlling means passively Download PDFInfo
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- CN205883084U CN205883084U CN201620714965.1U CN201620714965U CN205883084U CN 205883084 U CN205883084 U CN 205883084U CN 201620714965 U CN201620714965 U CN 201620714965U CN 205883084 U CN205883084 U CN 205883084U
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Abstract
The utility model relates to a realize whole star self -power owner integrated nonlinear vibration controlling means passively, including awl shell adapter, damping material, cube nonlinear spring, quality piece, guide arm, energy gatherer, wire, actuator, controller and sensor, damping material, cube nonlinear spring and quality block group have become non -linear energy and have converged, promptly NES, energy gatherer's one end is fixed in awl shell adapter up end inboard, and the other end is fixed on the quality piece, realizes NES and energy gatherer's combination, the terminal surface is fixed from top to bottom for the both ends and the awl shell adapter of guide arm, retrains the direction of vibration of quality piece, end face contaction about actuator and the awl shell adapter to be connected with energy gatherer through the wire, the controller will be installed in the sensor feedback signal who bores shell adapter upper end converts control signal to and reaches the actuator. The utility model discloses to a great extent solves the energy restricted problem of the actual environment of spacecraft, has outstanding practical application meaning.
Description
Technical field
This utility model relates to one and realizes whole star self energizing active-passive integratedization nonlinear vibration dynamic control device.
Background technology
In aerospace engineering field, satellite in emission process can by the load effect of multi-form, including the cycle, with
Machine and transient state equal excitation.Forefathers are based on whole star vibration isolation technique, and adding isolation mounting in satellite and the rocket connection adaptor (PAF) can be one
Determine to reduce in degree the load harm to structure.
In recent years, nonlinear energy remittance (Nonlinear energy sink, NES) is utilized to realize what mechanism vibrations controlled
Technology receives the research of vast Chinese scholars.NES mainly comprises Nonlinear Cubic rigidity, damping material and mass group
Become, it is possible to realize vibrational energy unidirectional from main system and be irreversibly transferred to non-linear partial, reach effective vibration damping target.
It is transferred to energy on non-linear bump leveller finally dissipated by the damping material of non-linear partial, but what Damping work energy produced
Heat may produce harm to mechanism, it is necessary to research reduces the energy of Damping work in the case of realizing vibration damping.
Energy acquisition recovery technology has obtained a lot of achievements in research, includes piezoelectric type energy collection, electromagnetic driven ring type
Energy acquisition and magnetostriction type energy acquisition etc., and combined type energy collecting device, such as piezoelectricity electromagnetic energy harvester,
Piezoelectricity piezomagnetic energy collecting device etc..These technology make the energy in vibration environment can be one with collected recycling
Plant the implementation of new forms of energy.Thus it is possible to the R. concomitans that acquisition technique converges with nonlinear energy, can in attempting solving to use
The drawback that can bring, and inquire into the collection recovery realizing non-linear vibration energy.
Vibration control problem has obtained a lot of research, including passively controlling, actively control and active-passive integratedization control
System.The control system mainly utilizing actuator and controller composition in the implementation method actively controlled realizes, wherein actuator bag
Include piezoelectric actuator, electromagnetic actuator, shape memory alloy actuator and ultra-magnetic telescopic actuator etc..At this several method
In, active-passive integratedization controls solve the passive shortcoming controlling low frequency restriction and actively control the shortcoming that high frequency limits.Especially
It is in the solution of space structure vibration problem, and active-passive integratedization controls to have had become as the importance of research.But
In actual application, active and passive overall-in-one control schema can be limited by the energy of engineering actual environment, especially residing for spacecraft self
Environment.Therefore, research spacecraft can realize self energizing active-passive integratedization Non-Linear Vibration control there is prominent meaning.
Utility model content
The defect existed for prior art, the utility model proposes one, to realize whole star self energizing active-passive integratedization non-
Linear oscillator controls device, to realize spacecraft self energizing active-passive integratedization Non-Linear Vibration control.
For reaching above-mentioned purpose, this utility model be the technical scheme is that when solving technical problem
One realizes whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, including conical shell adapter, damping
Material, Nonlinear Cubic spring, mass, guide rod, energy collecting device, wire, actuator, controller and sensor；Described resistance
One end of damping material and Nonlinear Cubic spring is fixed on inside conical shell adapter upper surface, and the other end is fixed on mass,
Damping material, Nonlinear Cubic spring and mass constitute nonlinear energy and converge, i.e. NES；One end of described energy collecting device
Being fixed on inside conical shell adapter upper surface, the other end is fixed on mass, it is achieved NES and the combination of energy collecting device；Institute
The two ends stating guide rod are fixed with conical shell adapter upper and lower end face, the direction of vibration of constraint mass；Described actuator is fitted with conical shell
Orchestration upper and lower end face contacts, and is connected with energy collecting device by wire, and described controller will be arranged on conical shell adapter upper end
Sensor feedback signal be converted into control signal and reach in actuator.
Described energy collecting device is piezoelectric type energy harvester, electromagnetic energy harvester, magnetostriction type energy acquisition
Device or combined type energy collecting device etc., described combined type energy collecting device is piezoelectricity electromagnetic energy harvester, piezoelectricity piezomagnetic
Energy collecting device etc..Described actuator is piezoelectric type actuator, electromagnetic actuator, shape memory alloy actuator or super mangneto
Flexible actuator etc..
This utility model has following prominent substantive distinguishing features and a significant advantage:
This utility model utilizes nonlinear energy remittance (NES) and the feature of energy collecting device device, is combined and is installed on
In satellite and the rocket conical shell adapter, this combination unit is connected with actuator by wire, and being designed to one, can to realize whole star self-energizing
Active and passive integrated vibration control device.
(1) nonlinear energy converges (NES) and the combination unit of energy collecting device is capable of vibrational energy on conical shell structure
Orientation transfer and vibrational energy collection reclaim.This combination unit utilizes the NES can be by the most non-for vibrational energy unidirectional delivery
In linear unit, energy collecting device can will be transmitted to the vibrational energy of this part and reclaim with the form part collection of electric energy
Arrive.On the one hand the device of this new model reduces the harm that may produce mechanism because of the heat of Damping work energy generation,
On the other hand achieve the recovery again of the vibrational energy being transferred in NES, improve conventional NES during mechanism's weakening
Vibrational energy is only the single mode that Damping work falls, and realizes the passive vibration control of mechanism and the mesh of collecting energy simultaneously
Mark.
(2) in NES and energy collecting device combination unit, reclaim the electric energy obtained and can supply a class actuator by circuit,
According to the control signal of feedback, multiple actuator being connected with conical shell adapter can realize the active to whole star and control.Self energizing
Active-passive integratedization Non-Linear Vibration controls largely to solve the energy restricted problem of spacecraft actual environment, has prominent
Actual application value.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing whole star self energizing active-passive integratedization nonlinear vibration dynamic control device.
Detailed description of the invention
Below in conjunction with the accompanying drawings of the present utility model being embodied as is further described.
As it is shown in figure 1, one realizes whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, fit including conical shell
Orchestration 1, damping material 2, Nonlinear Cubic spring 3, mass 4, guide rod 5, energy collecting device 6, wire 7, actuator 8, control
Device 9 and sensor 10；One end of described damping material 2 and Nonlinear Cubic spring 3 is fixed in conical shell adapter 1 upper surface
Side, the other end is fixed on mass 4, and damping material 2, Nonlinear Cubic spring 3 and mass 4 constitute nonlinear energy
Converge, i.e. NES；One end of described energy collecting device 6 is fixed on inside conical shell adapter 1 upper surface, and the other end is fixed on mass 4
On, it is achieved NES and the combination of energy collecting device 6；The two ends of described guide rod 5 are fixed with conical shell adapter 1 upper and lower end face, retrain matter
The direction of vibration of gauge block 4；Described actuator 8 contacts with conical shell adapter 1 upper and lower end face, and by wire 7 and energy collecting device 6
Connecting, sensor 10 feedback signal being arranged on conical shell adapter 1 upper end is converted into control signal and reaches by described controller 9
In actuator 8.
The described selectable kind of energy collecting device 6 has: piezoelectric type energy harvester, electromagnetic energy harvester, mangneto
Telescopic energy collecting device and combined type energy collecting device, such as piezoelectricity electromagnetic energy harvester, piezoelectricity piezomagnetic energy
Harvester etc.；The described selectable kind of actuator 8 has: piezoelectric actuator, electromagnetic actuator, shape memory alloy actuator
With ultra-magnetic telescopic actuator etc..According to the difference of energy collecting device 6, its mounting means the most difference, can change flexibly.
The operation principle that this utility model realizes whole star self energizing active-passive integratedization nonlinear vibration dynamic control device is as follows:
Time as it is shown in figure 1, space structure conical shell adapter is in the work environment by dynamic excitation, it is connected to conical shell and fits
Vibrational energy targeting on whole star can be transferred to NES own partial by NES on orchestration 1 continuously.Quickly it is transferred to NES continuously
On non-linear vibration energy a part presented in mechanical energy, a part dissipated by the damping material 2 of NES, it is achieved that
Passive vibration control.Due to the relative displacement existed between NES and conical shell adapter 1, the energy collecting device 6 being connected with NES can
The vibrational energy of remainder is reclaimed with the form collection of electric energy and obtains.The electric energy collected can be supplied by some wires 7
To actuator 8.On the premise of providing electric energy there being energy collecting device 6 to gather, controller 9 will be fixed on conical shell adapter 1
Acceleration transducer feedback signal is changed into control signal, and according to control signal, actuator 8 is optionally to conical shell adapter 1
Produce active force, it is achieved Vibration Active Control.When vibration control problem, the feature that this utility model highlights is conducive to the biggest
Solve spacecraft in degree and can run into the difficult problem that in environment, the energy limits.
Claims (4)
1. one kind realizes whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, it is characterised in that: include that conical shell is fitted
Orchestration (1), damping material (2), Nonlinear Cubic spring (3), mass (4), guide rod (5), energy collecting device (6), wire
(7), actuator (8), controller (9) and sensor (10)；Described damping material (2) and one end of Nonlinear Cubic spring (3)
Being fixed on inside conical shell adapter (1) upper surface, the other end is fixed on mass (4), damping material (2), Nonlinear Cubic
Spring (3) and mass (4) constitute nonlinear energy and converge, i.e. NES；One end of described energy collecting device (6) is fixed on conical shell
Inside adapter (1) upper surface, the other end is fixed on mass (4), it is achieved NES and the combination of energy collecting device (6)；Described
The two ends of guide rod (5) are fixed with conical shell adapter (1) upper and lower end face, the direction of vibration of constraint mass (4)；Described actuator
(8) contact with conical shell adapter (1) upper and lower end face, and be connected with energy collecting device (6) by wire (7), described controller (9)
Sensor (10) feedback signal being arranged on conical shell adapter (1) upper end is converted into control signal and reaches in actuator (8).
The most according to claim 1 realize whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, its feature
It is: described energy collecting device (6) is piezoelectric type energy harvester, electromagnetic energy harvester, magnetostriction type energy acquisition
Device or combined type energy collecting device.
The most according to claim 2 realize whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, its feature
It is: described combined type energy collecting device is piezoelectricity electromagnetic energy harvester, piezoelectricity piezomagnetic energy collecting device.
The most according to claim 1 realize whole star self energizing active-passive integratedization nonlinear vibration dynamic control device, its feature
It is: described actuator (8) is piezoelectric type actuator, electromagnetic actuator, shape memory alloy actuator or ultra-magnetic telescopic
Actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620714965.1U CN205883084U (en) | 2016-07-08 | 2016-07-08 | Realize whole star self -power owner integrated nonlinear vibration controlling means passively |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620714965.1U CN205883084U (en) | 2016-07-08 | 2016-07-08 | Realize whole star self -power owner integrated nonlinear vibration controlling means passively |
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| Publication Number | Publication Date |
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| CN205883084U true CN205883084U (en) | 2017-01-11 |
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| CN201620714965.1U Withdrawn - After Issue CN205883084U (en) | 2016-07-08 | 2016-07-08 | Realize whole star self -power owner integrated nonlinear vibration controlling means passively |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059392A (en) * | 2016-07-08 | 2016-10-26 | 上海大学 | Apparatus for realizing whole-satellite self-energy-supply active and passive integrated nonlinear vibration control |
| CN109780130A (en) * | 2019-02-28 | 2019-05-21 | 西安理工大学 | A kind of nonlinear energy trap shock-absorbing means for whole star vibration suppression |
| CN110715782A (en) * | 2019-10-15 | 2020-01-21 | 河海大学 | Vortex-induced vibration suppression experimental device based on nonlinear energy trap |
| CN111641351A (en) * | 2020-05-18 | 2020-09-08 | 扬州大学 | Vortex vibration piezoelectric power generation device with broadband energy collection function |
-
2016
- 2016-07-08 CN CN201620714965.1U patent/CN205883084U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059392A (en) * | 2016-07-08 | 2016-10-26 | 上海大学 | Apparatus for realizing whole-satellite self-energy-supply active and passive integrated nonlinear vibration control |
| CN106059392B (en) * | 2016-07-08 | 2018-04-06 | 上海大学 | One kind realizes whole star self energizing active-passive integratedization Non-Linear Vibration control device |
| CN109780130A (en) * | 2019-02-28 | 2019-05-21 | 西安理工大学 | A kind of nonlinear energy trap shock-absorbing means for whole star vibration suppression |
| CN110715782A (en) * | 2019-10-15 | 2020-01-21 | 河海大学 | Vortex-induced vibration suppression experimental device based on nonlinear energy trap |
| CN110715782B (en) * | 2019-10-15 | 2021-09-17 | 河海大学 | Vortex-induced vibration suppression experimental device based on nonlinear energy trap |
| CN111641351A (en) * | 2020-05-18 | 2020-09-08 | 扬州大学 | Vortex vibration piezoelectric power generation device with broadband energy collection function |
| CN111641351B (en) * | 2020-05-18 | 2022-03-25 | 扬州大学 | Vortex vibration piezoelectric power generation device with broadband energy collection function |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180406 |