CN107436647A - The vibration insulating system and oscillation damping method of a kind of computer hardware - Google Patents

The vibration insulating system and oscillation damping method of a kind of computer hardware Download PDF

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Publication number
CN107436647A
CN107436647A CN201710592030.XA CN201710592030A CN107436647A CN 107436647 A CN107436647 A CN 107436647A CN 201710592030 A CN201710592030 A CN 201710592030A CN 107436647 A CN107436647 A CN 107436647A
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China
Prior art keywords
vibration
signal
pillar
fixed seat
exciter
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CN201710592030.XA
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Chinese (zh)
Inventor
姜良斌
李清臣
龚振兴
王东升
孔庆瑞
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Shandong Chaoyue Numerical Control Electronics Co Ltd
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Shandong Chaoyue Numerical Control Electronics Co Ltd
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Priority to CN201710592030.XA priority Critical patent/CN107436647A/en
Publication of CN107436647A publication Critical patent/CN107436647A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present invention provides a kind of vibration insulating system and oscillation damping method of computer hardware, vibrating sensor senses the vibration acceleration signal and vibration displacement signal of fixed seat, signal processing and analysis unit is stored the fixed seat vibration acceleration signal of reception and vibration displacement signal, and form vibration acceleration and the curve of displacement, vibration acceleration signal and displacement signal are resolved to the form of sinusoidal vibration signal on curve, form delay phase signal, the inverse parsing of phase signal will be postponed again as the exciter response signal that stimuli subsystem can be driven to produce vibration, pass to stimuli subsystem；Exciter response signal is converted into the drive signal that vibration exciter can be driven to work by stimuli subsystem, and drive signal is converted into mechanical oscillation by vibration exciter；Caused mechanical oscillation are acted on dividing plate, then pass to the casing of computer hardware, improve the versatility of vibrating isolation system, and the system can be used for automobile shelter or the complete machine under carrier-borne environment or rack vibration isolation processing.

Description

The vibration insulating system and oscillation damping method of a kind of computer hardware
Technical field
The present invention relates to computer vibration measuring to move field, more particularly to a kind of vibration insulating system of computer hardware and vibration damping side Method.
Background technology
The electrical parts such as the mainboard of computer-internal, internal memory, hard disk, power supply under effect of vibration easily due to solder joint failure, Structural fatigue and electrical connectivity failure, lead to not normal work, cause machine failure, therefore deposit when under computer operating environment When external vibratory impulse encourages, need to take vibration isolation measure or anti-vibration measure for above-mentioned electricity piece, carry out Design of Reinforcement.
Current anti-vibration Design of Reinforcement main thought is：The complete machine rigidity of fixing circuit board or electrical part is improved, that is, is adopted Cabinet is manufactured with high modulus material and improves the bending resistance of fixture；Vibration reducing measure is taken to weaken circuit board or electrical part Vibratory response, i.e., to complete machine or major electrical equipment part take increase buffer measure；Or vibration damping is used to hold-down support Device, vibration isolation measure is taken from whole equipment, as automobile shelter inner machine installs wire rope damper.Above-mentioned reinforcing mode has obtained Ripe application was obtained, but the limitation of above-mentioned thinking is obvious, i.e., can only weaken the response of vibration in theory, it is impossible to eliminate Vibratory response, and weakening effect can not quantify, therefore propose that a kind of vibration isolation that vibratory response can be completely eliminated, Vibration Absorption Designing are Current assistant officer technical problem to be solved.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention provides a kind of vibration insulating system of computer hardware, including： Vibrate delay device, signal processing and analysis unit, stimuli subsystem and vibration exciter；
Vibration delay device includes：Body of pillar, Body of pillar one end are connected with the supporting part for load capacity calculation machine hardware, branch The cylinder other end is connected with fixed seat；
Fixed seat is provided with multiple vibrating sensors, and each vibrating sensor is connected with signal processing and analysis unit respectively, Vibrating sensor is used for the vibration acceleration signal and vibration displacement signal for sensing fixed seat, and by vibration acceleration and vibrates position Shifting is transmitted to signal processing and analysis unit, signal processing and analysis unit and is connected with stimuli subsystem；
Signal processing and analysis unit is used to be deposited the fixed seat vibration acceleration signal of reception and vibration displacement signal Storage, and vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved into sine on curve The form of vibration signal, by sinusoidal vibration signal delay (π+θ) phase, delay phase signal is formed, then phase signal will be postponed Inverse parsing turns into the exciter response signal that stimuli subsystem can be driven to produce vibration, passes to stimuli subsystem；
Stimuli subsystem is connected with vibration exciter, and stimuli subsystem is after exciter response signal is received, by exciter response Signal is converted into the drive signal that vibration exciter can be driven to work, and vibration exciter is imitated according to magnetostrictive effect or piezoelectricity Should, the drive signal of stimuli subsystem transmission is converted into mechanical oscillation.
Preferably, Body of pillar includes：First pillar, the second pillar, the 3rd pillar, the 4th pillar；
First pillar, the second pillar, the 3rd pillar, the 4th pillar are encircled into rectangular configuration in fixed seat, the first pillar, Second pillar, the 3rd pillar, the 4th pillar are respectively the summit of the rectangular configuration.
Preferably, dividing plate is provided between vibration exciter and fixed seat.
Preferably, vibration exciter is arranged on the center of rectangular configuration.
Preferably, including：Four vibrating sensors；
Each set location of the vibrating sensor in fixed seat respectively close to fixed seat and the link position of the first pillar, Fixed seat and the link position of the second pillar, fixed seat and the link position of the 3rd pillar, fixed seat and the connection of the 4th pillar Position.
Preferably, drive signal includes the current signal or voltage signal of driving vibrator work.
Preferably, dividing plate is made using the composite of steel plate and copper coin.
Preferably, dividing plate is provided with vibrating sensor；
Vibrating sensor on dividing plate is connected with signal processing and analysis unit, the vibrating sensor sensing dividing plate on dividing plate Vibration acceleration and vibration displacement are transmitted to signal processing and analysis unit；Final sound after the monitoring vibration isolation of signal processing and analysis unit It should be worth, realize the amendment that excitation is rung to feedback.
A kind of oscillation damping method of computer hardware, method include：
Vibrating sensor senses the vibration acceleration signal and vibration displacement signal of fixed seat, and by vibration acceleration and shakes Displacement transmission is moved to signal processing and analysis unit；
Signal processing and analysis unit is stored the fixed seat vibration acceleration signal of reception and vibration displacement signal, and Vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved into sinusoidal vibration letter on curve Number form, by sinusoidal vibration signal delay (π+θ) phase, form delay phase signal, then will the inverse parsing of delay phase signal As the exciter response signal that stimuli subsystem can be driven to produce vibration, stimuli subsystem is passed to；
For stimuli subsystem after exciter response signal is received, exciter response signal, which is converted into, can drive vibration exciter work The drive signal of work, vibration exciter believe the driving of stimuli subsystem transmission according to magnetostrictive effect or piezo-electric effect Number it is converted into mechanical oscillation；Caused mechanical oscillation are acted on dividing plate, then pass to the casing of computer hardware.
As can be seen from the above technical solutions, the present invention has advantages below：
The vibration insulating system of computer hardware make it that computer hardware casing vibration perseverance is zero, obtains vibration isolating effect；By Composed in the wide work of stimuli subsystem and signal processing and analysis unit, improve the versatility of vibrating isolation system, it is no longer necessary to distinguish The type of wanted device for vibration insutation；The system can be used for automobile shelter or the complete machine under carrier-borne environment or rack vibration isolation processing.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in description will be made below simple Ground introduction, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill For personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the vibration insulating system overall schematic of computer hardware；
Fig. 2 is the oscillation damping method flow chart of computer hardware.
Embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, will use below specific Embodiment and accompanying drawing, the technical scheme protected to the present invention are clearly and completely described, it is clear that implementation disclosed below Example is only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this area All other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model of this patent protection Enclose.
The present embodiment provides a kind of vibration insulating system of computer hardware, as shown in figure 1, including：Vibrate delay device, signal Collection analysis unit 5, stimuli subsystem 11 and vibration exciter 6；
Vibration delay device includes：Body of pillar, Body of pillar one end are connected with the supporting part 4 for load capacity calculation machine hardware 1, The Body of pillar other end is connected with fixed seat 8；
Fixed seat 8 is provided with multiple vibrating sensors 3, and each vibrating sensor 3 connects with signal processing and analysis unit 5 respectively Connect, vibrating sensor 3 is used to sensing the vibration acceleration signal and vibration displacement signal of fixed seat 8, and by vibration acceleration and Vibration displacement is transmitted to signal processing and analysis unit 5, signal processing and analysis unit 5 and is connected with stimuli subsystem 11；
Signal processing and analysis unit 5 is used to carry out the vibration acceleration signal of fixed seat 8 of reception and vibration displacement signal Storage, and vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved to just on curve The form of string vibration signal, by sinusoidal vibration signal delay (π+θ) phase, delay phase signal is formed, then will delay phase letter Number inverse parsing turns into the exciter response signal that stimuli subsystem 11 can be driven to produce vibration, passes to stimuli subsystem 11；Excitation Source unit 11 is connected with vibration exciter 6, and stimuli subsystem 11 converts exciter response signal after exciter response signal is received For that can drive the drive signal that vibration exciter 6 works, vibration exciter 6, will according to magnetostrictive effect or piezo-electric effect The drive signal that stimuli subsystem 11 transmits is converted into mechanical oscillation.Computer hardware can also be electronic equipment.
The technical basis of the present invention is that the vibration regardless of form can be converted into the vibration mode of ripple, and ripple has There is superposability, but two train waves meet and necessarily lead to synergistic effect, if the frequency of two train waves can be controlled equal, phase by pi, fold Add postwave amplitude be changed into two train waves amplitude difference；If the amplitude of two train waves is identical, frequency is equal, phase difference π, after superposition No longer vibrate, vibratory response perseverance is zero.
Vibratory impulse effect suffered by computer hardware mostlys come from the fixed seat of fixed equipment, such as automobile square cabin apparatus Fixed seat, on-board equipment cabin fixed seat etc., the vibration of fixed seat are first transferred to the shell of computer hardware, then are transferred to internal electricity Device, the effect amplified step by step is presented during transmission.To make the vibration cancellation of equipment, first using vibration test system Coordinate acceleration transducer to gather the vibrational excitation of fixed seat in real time, mechanical signal is converted into electric signal, excitation information collection Analysis system is passed to afterwards, and any vibration analysis are converted into the sinusoidal fluctuation form of certain frequency by analysis system, and automatically will letter Number phase be adjusted after as feedback signal pass to excitation system, between fixed seat and equipment using known materials, just Material isolation is spent, plays vibration transmission delay effect, compensation incentive system drives vibrator to produce according to the feedback signal being collected into Raw compensation incentive vibration, compensation incentive are cancelled out each other after being superimposed with the response of fixed seat so that suffered by computer hardware casing Vibrational excitation perseverance is zero, so as to reach the purpose of vibration damping.Drive signal includes the current signal or voltage of driving vibrator work Signal.
In the present embodiment, Body of pillar includes：First pillar 12, the second pillar 13, the 3rd pillar 14, the 4th pillar 15；
First pillar 12, the second pillar 13, the 3rd pillar 14, the 4th pillar 15 are encircled into rectangular configuration in fixed seat 8, First pillar, the second pillar, the 3rd pillar, the 4th pillar are respectively the summit of the rectangular configuration.
Dividing plate 2 is provided between vibration exciter 6 and fixed seat 8.Vibration exciter 6 is arranged on the centre bit of rectangular configuration Put.Dividing plate 2 is made using the composite of steel plate and copper coin.Dividing plate 2 is provided with vibrating sensor；Vibrating sensing on dividing plate 2 Device is connected with signal processing and analysis unit 5, and the vibration acceleration and vibration displacement of the vibrating sensor sensing dividing plate on dividing plate 2 pass Transport to signal processing and analysis unit 5；Signal processing and analysis unit 5 monitors the final response after vibration isolation, realizes and rings excitation to feedback Amendment.
In the present embodiment, including：Four vibrating sensors 3；Each set location of the vibrating sensor 3 in fixed seat 8 Respectively close to the link position of fixed seat and the first pillar 12, the link position of the pillar 13 of fixed seat 8 and second, fixed seat 8 and The link position of 3rd pillar 14, the link position of the pillar 15 of fixed seat 8 and the 4th.
The present invention also provides a kind of oscillation damping method of computer hardware, as shown in Fig. 2 method includes：
S1, vibrating sensor sense the vibration acceleration signal and vibration displacement signal of fixed seat, and by vibration acceleration And vibration displacement is transmitted to signal processing and analysis unit；
S2, signal processing and analysis unit are deposited the fixed seat vibration acceleration signal of reception and vibration displacement signal Storage, and vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved into sine on curve The form of vibration signal, by sinusoidal vibration signal delay (π+θ) phase, delay phase signal is formed, then phase signal will be postponed Inverse parsing turns into the exciter response signal that stimuli subsystem can be driven to produce vibration, passes to stimuli subsystem；
S3, for stimuli subsystem after exciter response signal is received, exciter response signal, which is converted into, can drive vibrational excitation The drive signal of device work, vibration exciter is according to magnetostrictive effect or piezo-electric effect, by the drive of stimuli subsystem transmission Dynamic signal is converted into mechanical oscillation；Caused mechanical oscillation are acted on dividing plate, then pass to the casing of computer hardware.
Specifically, computer hardware can also be electronic equipment, it is fixed in equipment fixed seat, fixed seat is that rigidity is higher Part, it is middle to postpone Body of pillar across vibration.Fixed seat rigidity is very high, can be with to the amplification of vibration in vibration processes Ignore, its vibration acceleration and displacement curve can be measured by vibrating sensor, Body of pillar is with certain rigidity Material makes, and the change perseverance to vibration phase angle is θ, although the value at θ angles is not π, this phase difference exists for equipment Processing time has been reserved in signal, collection, feedback excitation.
The vibration acceleration signal and vibration displacement signal that vibrating sensor is measured are sent to signal acquisition through measurement circuitry Analytic unit, signal processing and analysis unit are stored the fixed seat vibration acceleration signal of reception and vibration displacement signal, And vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved into sinusoidal vibration on curve The form of signal, by sinusoidal vibration signal delay (π+θ) phase, delay phase signal is formed, then will the inverse solution of delay phase signal Analysis turns into the exciter response signal that stimuli subsystem can be driven to produce vibration, passes to stimuli subsystem.
Stimuli subsystem is then converted to the electricity of change that vibration exciter can be driven to work after exciter response signal is received Stream or voltage signal, vibration exciter make according to magnetostrictive effect or piezo-electric effect, can be by the electric current of exciting source transmission Or voltage signal is converted into mechanical oscillation.Caused vibration is acted on dividing plate first, then passes to electronic device shell.
Fixed seat is produced in dividing plate with vibration caused by vibration exciter from the vibration that environment transmission comes and is superimposed, two kinds of sides Produced after the ripple superposition that formula transmission comes and bury in oblivion phenomenon, i.e., it is 0 that the vibration of particle is permanent, so that vibration no longer passes into casing Pass, have the function that complete vibration isolation.But the energy of vibration now is completely converted into the form of interior energy, it is necessary in view of dividing plate Radiating, therefore the dividing plate between vibration exciter and equipment must select the good material of heat conductivility, optional steel plate adds copper The composite of plate.
Also one group of vibrating sensor can be increased in dividing plate upper surface during actual use, to monitor the final response after vibration isolation Value, signal processing and analysis unit is equally passed into by this signal, is easy to implement the amendment that excitation is rung to feedback.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (9)

  1. A kind of 1. vibration insulating system of computer hardware, it is characterised in that including：Vibration delay device, signal processing and analysis unit, Stimuli subsystem and vibration exciter；
    Vibration delay device includes：Body of pillar, Body of pillar one end are connected with the supporting part for load capacity calculation machine hardware, Body of pillar The other end is connected with fixed seat；
    Fixed seat is provided with multiple vibrating sensors, and each vibrating sensor is connected with signal processing and analysis unit respectively, vibration Sensor is used for the vibration acceleration signal and vibration displacement signal for sensing fixed seat, and vibration acceleration and vibration displacement are passed Signal processing and analysis unit is transported to, signal processing and analysis unit is connected with stimuli subsystem；
    Signal processing and analysis unit is used to be stored the fixed seat vibration acceleration signal of reception and vibration displacement signal, and Vibration acceleration and the curve of displacement are formed, vibration acceleration signal and displacement signal are resolved into sinusoidal vibration letter on curve Number form, by sinusoidal vibration signal delay (π+θ) phase, form delay phase signal, then will the inverse parsing of delay phase signal As the exciter response signal that stimuli subsystem can be driven to produce vibration, stimuli subsystem is passed to；
    Stimuli subsystem is connected with vibration exciter, and stimuli subsystem is after exciter response signal is received, by exciter response signal Be converted into the drive signal that vibration exciter can be driven to work, vibration exciter according to magnetostrictive effect or piezo-electric effect, The drive signal of stimuli subsystem transmission is converted into mechanical oscillation.
  2. 2. the vibration insulating system of computer hardware according to claim 1, it is characterised in that
    Body of pillar includes：First pillar, the second pillar, the 3rd pillar, the 4th pillar；
    First pillar, the second pillar, the 3rd pillar, the 4th pillar are encircled into rectangular configuration in fixed seat, the first pillar, and second Pillar, the 3rd pillar, the 4th pillar are respectively the summit of the rectangular configuration.
  3. 3. the vibration insulating system of computer hardware according to claim 2, it is characterised in that
    Dividing plate is provided between vibration exciter and fixed seat.
  4. 4. the vibration insulating system of computer hardware according to claim 3, it is characterised in that
    Vibration exciter is arranged on the center of rectangular configuration.
  5. 5. the vibration insulating system of computer hardware according to claim 2, it is characterised in that
    Including：Four vibrating sensors；
    Each set location of the vibrating sensor in fixed seat is fixed respectively close to fixed seat and the link position of the first pillar The link position of seat and the second pillar, fixed seat and the link position of the 3rd pillar, fixed seat and the link position of the 4th pillar.
  6. 6. the vibration insulating system of computer hardware according to claim 1 or 2, it is characterised in that
    Drive signal includes the current signal or voltage signal of driving vibrator work.
  7. 7. the vibration insulating system of computer hardware according to claim 3, it is characterised in that
    Dividing plate is made using the composite of steel plate and copper coin.
  8. 8. the vibration insulating system of computer hardware according to claim 3, it is characterised in that
    Dividing plate is provided with vibrating sensor；
    Vibrating sensor on dividing plate is connected with signal processing and analysis unit, the vibration of the vibrating sensor sensing dividing plate on dividing plate Acceleration and vibration displacement are transmitted to signal processing and analysis unit；Final response after the monitoring vibration isolation of signal processing and analysis unit Value, realize the amendment that excitation is rung to feedback.
  9. 9. a kind of oscillation damping method of computer hardware, it is characterised in that method includes：
    Vibrating sensor senses the vibration acceleration signal and vibration displacement signal of fixed seat, and by vibration acceleration and vibrates position Shifting is transmitted to signal processing and analysis unit；
    Signal processing and analysis unit is stored the fixed seat vibration acceleration signal of reception and vibration displacement signal, and is formed Vibration acceleration and the curve of displacement, sinusoidal vibration signal is resolved on curve by vibration acceleration signal and displacement signal Form, by sinusoidal vibration signal delay (π+θ) phase, delay phase signal is formed, then the inverse parsing of delay phase signal is turned into Stimuli subsystem can be driven to produce the exciter response signal of vibration, pass to stimuli subsystem；
    For stimuli subsystem after exciter response signal is received, exciter response signal, which is converted into, can drive what vibration exciter worked Drive signal, vibration exciter turn the drive signal of stimuli subsystem transmission according to magnetostrictive effect or piezo-electric effect Turn to mechanical oscillation；Caused mechanical oscillation are acted on dividing plate, then pass to the casing of computer hardware.
CN201710592030.XA 2017-07-19 2017-07-19 The vibration insulating system and oscillation damping method of a kind of computer hardware Pending CN107436647A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110488882A (en) * 2019-08-16 2019-11-22 西安邮电大学 Piezoelectricity semi-active vibration control experimental provision and method based on acceleration detection
CN112220441A (en) * 2020-10-14 2021-01-15 泰州国安医疗用品有限公司 Minimally invasive in vivo data acquisition system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101144516A (en) * 2007-09-30 2008-03-19 北京航空航天大学 Vibration isolator
CN102777527A (en) * 2012-08-17 2012-11-14 中国联合工程公司 Intelligent vibration isolation device for precision machine tool
US20130264455A1 (en) * 2005-04-06 2013-10-10 Jody G. Robbins Method and apparatus for an adaptive suspension support system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130264455A1 (en) * 2005-04-06 2013-10-10 Jody G. Robbins Method and apparatus for an adaptive suspension support system
CN101144516A (en) * 2007-09-30 2008-03-19 北京航空航天大学 Vibration isolator
CN102777527A (en) * 2012-08-17 2012-11-14 中国联合工程公司 Intelligent vibration isolation device for precision machine tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110488882A (en) * 2019-08-16 2019-11-22 西安邮电大学 Piezoelectricity semi-active vibration control experimental provision and method based on acceleration detection
CN110488882B (en) * 2019-08-16 2020-11-24 西安邮电大学 Experimental method for piezoelectric semi-active vibration control based on acceleration detection
CN112220441A (en) * 2020-10-14 2021-01-15 泰州国安医疗用品有限公司 Minimally invasive in vivo data acquisition system

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