CN106941330A - A kind of method and system of control motor vibrations - Google Patents
A kind of method and system of control motor vibrations Download PDFInfo
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- CN106941330A CN106941330A CN201710358439.5A CN201710358439A CN106941330A CN 106941330 A CN106941330 A CN 106941330A CN 201710358439 A CN201710358439 A CN 201710358439A CN 106941330 A CN106941330 A CN 106941330A
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- motor
- vibration
- drive signal
- intrinsic frequency
- frequency
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Control Of Multiple Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The method and system of motor vibrations is controlled the embodiment of the invention discloses a kind of, including according to the first drive signal the first motor of driving, is vibrated so that the first motor produces first；The second motor is driven according to the second drive signal, is vibrated so that the second motor produces second；First drive signal and the second drive signal have preset phase poor；First vibration is overlapped with the second vibration and obtains the 3rd vibration；The intrinsic frequency of first motor differs n times with the intrinsic frequency of the second motor, and n is more than 1.The present invention can not only control the first motor and the second motor integrally to produce symmetric vibration but also the first motor and the second motor can be controlled integrally to produce nonsymmetrical vibration in use, the diversity reduction of motor function is added to a certain extent, expands the application of motor.
Description
Technical field
It is more particularly to a kind of to control the method for motor vibrations and be the present embodiments relate to technical field of electronic products
System.
Background technology
At present, motor is more and more extensive in the application of electronic product, and most products are realized using the vibrating function of motor
The purpose pointed out user.In the prior art, user can only be carried out with realizing by controlling motor to produce symmetric vibration
The purpose of prompting, and single symmetric vibration reduces the diversity of motor function, so as to limit horse to a certain extent
The application reached.
Therefore, how to provide a kind of method and system for the control motor vibrations for solving above-mentioned technical problem turns into this area
The problem of technical staff needs to solve.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and system of control motor vibrations, one during its use
Determining to add the diversity of motor function in degree reduces, and expands the application of motor.
In order to solve the above technical problems, the embodiments of the invention provide a kind of method for controlling motor vibrations, including：
The first motor is driven according to the first drive signal, is vibrated so that first motor produces first；
The second motor is driven according to the second drive signal, is vibrated so that second motor produces second；Described first drives
Dynamic signal has preset phase poor with second drive signal；
Described first vibration is overlapped with the described second vibration and obtains the 3rd vibration；
The intrinsic frequency of first motor differs n times with the intrinsic frequency of second motor, and the n is more than 1.
Optionally, preset phase difference is more than 0, the preset phase difference according to first drive signal frequency,
The frequency and Fourier analysis method of second drive signal are calculated.
Optionally, the amplitude of first drive signal and the amplitude of second drive signal are equal.
Optionally, the frequency of first drive signal is equal with the intrinsic frequency of first motor；Described second drives
The frequency of dynamic signal is equal with the intrinsic frequency of second motor.
Optionally, the intrinsic frequency of first motor differs 2 times with the intrinsic frequency of second motor.
In order to solve the above technical problems, the embodiments of the invention provide a kind of system for controlling motor vibrations, including：
Driver, for driving the first motor according to the first drive signal, vibrates so that first motor produces first；
For driving the second motor according to the second drive signal, vibrated so that second motor produces second；The first driving letter
Number with second drive signal have preset phase poor；
Synthesizer is vibrated, the 3rd vibration is obtained for the described first vibration to be overlapped with the described second vibration, institute
It is nonsymmetrical vibration to state the 3rd vibration；
The intrinsic frequency of first motor differs integral multiple with the intrinsic frequency of second motor.
Driven the embodiments of the invention provide a kind of method and system of control motor vibrations, including according to the first drive signal
Dynamic first motor, vibrates so that the first motor produces first；The second motor is driven according to the second drive signal, so that the second motor
Second is produced to vibrate；First drive signal and the second drive signal have preset phase poor；By first vibration with second vibrate into
Row superposition obtains the 3rd vibration；The intrinsic frequency of first motor differs n times with the intrinsic frequency of the second motor, and n is more than 1.
By the first drive signal and the second drive signal respectively to the first motor and the second motor in the embodiment of the present invention
It is driven, the first motor and the second motor is produced corresponding first vibration and the second vibration respectively, and this first is shaken
Dynamic and the second vibration is overlapped the 3rd vibration after being superimposed, and the first drive signal and the second drive signal it
Between have certain preset phase poor, when preset phase difference is 0, the 3rd vibration is symmetric vibration, when the preset phase is poor
During more than 0, the 3rd vibration is nonsymmetrical vibration.So the present invention can both control the first motor and the second horse in use
Up to the overall symmetric vibration that produces the first motor and the second motor can be controlled integrally to produce nonsymmetrical vibration again, to a certain extent
The diversity reduction of motor function is added, the application of motor is expanded.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the method for control motor vibrations provided in an embodiment of the present invention；
Fig. 2 is a kind of motor vibrations effect emulation schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the system of control motor vibrations provided in an embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of method and system of control motor vibrations, to a certain degree during its use
On add motor function diversity reduction, expand the application of motor.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of schematic flow sheet of the method for control motor vibrations provided in an embodiment of the present invention.
This method includes：
S101：The first motor is driven according to the first drive signal, is vibrated so that the first motor produces first；
S102：The second motor is driven according to the second drive signal, is vibrated so that the second motor produces second；First driving letter
Number with the second drive signal have preset phase poor；
S103：First vibration is overlapped with the second vibration and obtains the 3rd vibration；
The intrinsic frequency of first motor differs n times with the intrinsic frequency of the second motor, and n is more than 1.
Specifically, the embodiment of the present invention is while respectively to two motors using the first drive signal and the second drive signal
(the first motor and the second motor) is driven, and the first motor and the second motor are produced accordingly under respective drive signal respectively
Vibration, and by produced by the first motor and the second motor vibration superposition i.e. can obtain total vibrating effect the (the namely the 3rd
The vibrating effect of vibration), can be combined the first motor and the second motor makes both turn into an entirety in actual applications,
So that the vibration produced by the first motor and the second motor is superimposed, naturally it is also possible to vibrated using other modes by first
It is overlapped with the second vibration, the embodiment of the present invention does not do special restriction to this.
When there is certain phase difference (i.e. preset phase is poor) between the first drive signal and the second drive signal, and
When preset phase difference is more than 0, the first motor and the second motor each produced by vibration formed after superposition always
Vibrating effect is nonsymmetrical vibration, that is, the vibration after superposition is left-right asymmetry, so as to realize nonsymmetrical vibration；When this is pre-
If phase difference is 0, that is, when there is no phase difference between the first drive signal and the second drive signal, the first motor and second
Total vibrating effect that motor is formed after the vibration superposition produced by under the driving of each self-corresponding drive signal is symmetrical
Vibration.
It can be seen that, the embodiment of the present invention can make powered first horse as needed when being controlled to motor vibrations
Reach and the second motor produced by global vibration effect switched between symmetric vibration, nonsymmetrical vibration and inactive state.
It should be noted that the intrinsic frequency of the first motor driven in the embodiment of the present invention and the second motor is intrinsic
Frequency should differ n times, and n is more than 1, that is, the intrinsic frequency of the first motor can be made to be n times of the intrinsic frequency of the second motor,
The intrinsic frequency that the second motor can also be made is n times of the first motor intrinsic frequency.N can be integer, or decimal,
Depending on n specific value can be according to actual conditions in practical application.In addition, for default provided in the embodiment of the present invention
The specific size of phase difference can also be set according to actual conditions, and the embodiment of the present invention does not do special restriction to this, can be real
The purpose of the existing embodiment of the present invention.
It should also be noted that, multiple motors can also be used, and using multiple drive signals pair simultaneously to multiple motors
It is driven respectively, adjusts the phase difference between each drive signal, the resultant vibration for alloing multiple motors is symmetric vibration,
Can also be nonsymmetrical vibration, the particular number embodiment of the present invention of the motor for being used does not do special restriction to this,
The purpose of the embodiment of the present invention can be realized.
Optionally, preset phase difference is more than 0, the preset phase difference according to first drive signal frequency,
The frequency and Fourier analysis method of second drive signal are calculated.
Specifically, wanting to drive what the first motor and the second motor were produced by the first drive signal and the second drive signal
Global vibration effect is nonsymmetrical vibration, it is necessary to the phase difference between the first drive signal and the second drive signal is more than 0,
Be exactly that preset phase difference is more than 0, when preset phase difference is more than zero, so that it may so that the first motor in the embodiment of the present invention and
The global vibration after vibration superposition produced by second motor difference is nonsymmetrical vibration.If it is intended to making the global vibration after superposition exist
There is larger gap on two direction of vibration, that is, make the effect of nonsymmetrical vibration obvious, then need to find out this
Optimum phase difference is poor as the preset phase, and the optimum phase difference can be according to the frequency of the first drive signal and the second driving letter
Number frequency obtain, specifically can be by Fourier analysis method to the frequency of the first drive signal and the frequency of the second drive signal
Analysis calculating is carried out to obtain, that is, can be using the optimum phase difference calculated by this method as in the embodiment of the present invention
Preset phase is poor, so that the vibrating effect of nonsymmetrical vibration is more obvious.
Certainly, the preset phase difference in the embodiment of the present invention is not limited only to draw according to Fourier analysis method, can also lead to
Cross other analysis methods to obtain, which kind of analysis method embodiment of the present invention special restriction is not specifically done to this using, can be real
The purpose of the existing embodiment of the present invention.
Optionally, the amplitude of the first drive signal and the amplitude of the second drive signal are equal.
It should be noted that the first driving can be made in order to improve the vibrating effect of nonsymmetrical vibration in actual applications
The amplitude of signal and the amplitude of the second drive signal are equal, so as to strengthen the difference of nonsymmetrical vibration in the two directions, enter one
The vibrating effect of step enhancing nonsymmetrical vibration.
Specifically, corresponding drive signal can be produced by the drive circuit built in actual applications, and can
So that the amplitude of output voltage to be adjusted by slide rheostat, and using dutycycle of the corresponding software to output voltage
It is adjusted, the amplitude and dutycycle of progressive a pair of first drive signals and the second drive signal are adjusted.Become by sliding
The amplitude of resistance device regulation output voltage can believe the first driving to adjust the amplitude of the first drive signal and the second drive signal
Number and the amplitude of the second drive signal change in certain scope so that the vibrating effect of nonsymmetrical vibration produce it is corresponding
Change, can also be such that vibrating effect is reached in the oscillating region that motor can bear in itself most strong.It is of course also possible to pass through it
The amplitude of first drive signal and the second drive signal is adjusted his mode, is specifically implemented using which kind of method present invention
Example does not do special restriction to this, can realize the purpose of the embodiment of the present invention.
Certainly, the embodiment of the present invention is not limited only to make the amplitude of the first drive signal and the amplitude phase of the second drive signal
Deng, the amplitude of the amplitude of the first drive signal and the second drive signal can also be equal, the embodiment of the present invention be intended merely to enhancing
The vibrating effect of nonsymmetrical vibration, the in actual applications amplitude for the first drive signal and the amplitude of the second drive signal
Depending on magnitude relationship can be according to actual conditions, the embodiment of the present invention does not do special restriction to this, can realize present invention implementation
The purpose of example.
Optionally, the frequency of the first drive signal is equal with the intrinsic frequency of the first motor；The frequency of second drive signal
It is equal with the intrinsic frequency of the second motor.
It should be noted that by the intrinsic frequency that the set of frequency of the first drive signal is the first motor, first can be made
Motor produces stronger vibration under the driving of the first drive signal；Equally, it is second by the set of frequency of the second drive signal
The intrinsic frequency of motor, can make the second motor produce stronger vibration under the driving of the second drive signal, so that first
The 3rd vibration enhancing obtained by after the second vibration superposition that the first vibration and the second motor that motor is produced are produced.
Certainly, the frequency of the first drive signal can be not equal to the intrinsic frequency of the first motor, the frequency of the second drive signal
Rate can also be not equal to the intrinsic frequency of the second motor, and the specific present invention does not do special restriction to this in real time, as long as can be real
The purpose of the existing embodiment of the present invention.
Optionally, the intrinsic frequency of the first motor differs 2 times with the intrinsic frequency of the second motor.
It should be noted that the intrinsic frequency of the first motor is differed 2 times with the intrinsic frequency of the second motor, can be one
The vibrating effect of offer nonsymmetrical vibration in degree is provided.Certainly, intrinsic frequency between the two can also differ other multiples, tool
Depending on body numerical value can be according to actual conditions, the embodiment of the present invention does not do special restriction to this, can realize the embodiment of the present invention
Purpose.
In order that the content in the embodiment of the present invention is more directly perceived, Fig. 2 is refer to, Fig. 2 is provided in an embodiment of the present invention
A kind of motor vibrations effect emulation schematic diagram.
When being driven respectively to the first motor and the corresponding drive signal of the second motor application, the vibration of the first motor
Effect is as shown in curve of cyclical fluctuations a in figure, and the vibrating effect of the second motor, can by the curve in figure as shown in curve of cyclical fluctuations b in figure
To find out, the now vibration of the first motor and the second motor is symmetric vibration, i.e., the effect vibrated to the left and right is without substantially poor
Away from.When two motors of driving, and the first motor and the second motor distinguish corresponding first drive signal and the second driving simultaneously
Signal in phase one special angle of gap (i.e. preset phase angle, total vibration is in both direction vibration sense under this phase difference
It is with the biggest gap) when, as solid line in figure 2, overall motor shakes the vibrating effect of two motors synthesis direction
The dynamic vibration for being significantly less than another direction, so as to realize nonsymmetrical vibration.Can by adjusting the amplitude of output voltage, or
Vibration amplitude is adjusted the dutycycle of regulation output voltage, and human body can be made only to experience one in actual applications
The vibrating effect in direction.
It should also be noted that, the method for the control motor vibrations provided according to the embodiment of the present invention can realize motor
Nonsymmetrical vibration, and in actual applications can also be on the basis of motor realizes asymmetric vibration, by the symmetrical of motor
Vibration, it is asymmetric vibration and inactive state be combined according to certain rule, can also by the vibration number of various states, shake
The strong and weak of vibration sense carries out software set according to certain rule when dynamic time interval and/or vibration, and motor can further realized
(certain, the vibration mode that combination rule difference is realized is just different, therefore can be by changing from conjunction rule for corresponding vibration mode
The vibration mode of motor), motor can produce the vibration of corresponding rhythm under corresponding vibration mode, and in vibration processes, can
To realize the effect vibrated with direction, make rhythm vibrating effect more obvious.
Driven the embodiments of the invention provide a kind of method and system of control motor vibrations, including according to the first drive signal
Dynamic first motor, vibrates so that the first motor produces first；The second motor is driven according to the second drive signal, so that the second motor
Second is produced to vibrate；First drive signal and the second drive signal have preset phase poor；By first vibration with second vibrate into
Row superposition obtains the 3rd vibration；The intrinsic frequency of first motor differs n times with the intrinsic frequency of the second motor, and n is more than 1.
By the first drive signal and the second drive signal respectively to the first motor and the second motor in the embodiment of the present invention
It is driven, the first motor and the second motor is produced corresponding first vibration and the second vibration respectively, and this first is shaken
Dynamic and the second vibration is overlapped the 3rd vibration after being superimposed, and the first drive signal and the second drive signal it
Between have certain preset phase poor, when preset phase difference is 0, the 3rd vibration is symmetric vibration, when the preset phase is poor
During more than 0, the 3rd vibration is nonsymmetrical vibration.So the present invention can both control the first motor and the second horse in use
Up to the overall symmetric vibration that produces the first motor and the second motor can be controlled integrally to produce nonsymmetrical vibration again, to a certain extent
The diversity reduction of motor function is added, the application of motor is expanded.
Fig. 3 is refer to, Fig. 3 is a kind of structural representation of the system of control motor vibrations provided in an embodiment of the present invention.
On the basis of above-described embodiment：
The system includes：
Driver 1, for driving the first motor according to the first drive signal, vibrates so that the first motor produces first；With
In driving the second motor according to the second drive signal, vibrated so that the second motor produces second；First drive signal and second drives
Dynamic signal has preset phase poor；
Synthesizer 2 is vibrated, the 3rd vibration is obtained for the first vibration to be overlapped with the second vibration, the 3rd vibration is
Nonsymmetrical vibration；
The intrinsic frequency of first motor differs integral multiple with the intrinsic frequency of the second motor.
It should be noted that the embodiment of the present invention can both control the first motor and the second motor overall in use
Producing symmetric vibration can control the first motor and the second motor integrally to produce nonsymmetrical vibration again, add to a certain extent
The diversity reduction of motor function, expands the application of motor.In addition, for control involved in the embodiment of the present invention
The specific introduction of the method for motor vibrations processed refer to above method embodiment, and the application will not be repeated here.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field 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 (6)
1. a kind of method for controlling motor vibrations, it is characterised in that including：
The first motor is driven according to the first drive signal, is vibrated so that first motor produces first；
The second motor is driven according to the second drive signal, is vibrated so that second motor produces second；The first driving letter
Number with second drive signal have preset phase poor；
Described first vibration is overlapped with the described second vibration and obtains the 3rd vibration；
The intrinsic frequency of first motor differs n times with the intrinsic frequency of second motor, and the n is more than 1.
2. the method for control motor vibrations according to claim 1, it is characterised in that the preset phase difference is more than 0, institute
State frequency, the frequency of second drive signal and Fourier analysis method of the preset phase difference according to first drive signal
Calculate.
3. the method for control motor vibrations according to claim 2, it is characterised in that the amplitude of first drive signal
It is equal with the amplitude of second drive signal.
4. the method for control motor vibrations according to claim 3, it is characterised in that the frequency of first drive signal
It is equal with the intrinsic frequency of first motor；The frequency of second drive signal and the intrinsic frequency phase of second motor
Deng.
5. the method for control motor vibrations according to claim 4, it is characterised in that the intrinsic frequency of first motor
2 times are differed with the intrinsic frequency of second motor.
6. a kind of system for controlling motor vibrations, it is characterised in that including：
Driver, for driving the first motor according to the first drive signal, vibrates so that first motor produces first；For
The second motor is driven according to the second drive signal, is vibrated so that second motor produces second；First drive signal with
Second drive signal has preset phase poor；
Synthesizer is vibrated, for the described first vibration to be overlapped with the described second vibration and obtain the 3rd vibration, described the
Three vibrations are nonsymmetrical vibration；
The intrinsic frequency of first motor differs integral multiple with the intrinsic frequency of second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358439.5A CN106941330A (en) | 2017-05-19 | 2017-05-19 | A kind of method and system of control motor vibrations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358439.5A CN106941330A (en) | 2017-05-19 | 2017-05-19 | A kind of method and system of control motor vibrations |
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| CN106941330A true CN106941330A (en) | 2017-07-11 |
Family
ID=59465132
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| CN201710358439.5A Pending CN106941330A (en) | 2017-05-19 | 2017-05-19 | A kind of method and system of control motor vibrations |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023093332A1 (en) * | 2021-11-23 | 2023-06-01 | 歌尔股份有限公司 | Control method and device for multidimensional vibration device |
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| JP2014222324A (en) * | 2013-05-14 | 2014-11-27 | 株式会社Ihi | Noise reduction device and noise reduction method |
| CN103543334A (en) * | 2013-10-24 | 2014-01-29 | 北京理工大学 | Phase difference measurement device and method based on FFT |
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