CN106160622B - Method, apparatus, system and the electronic equipment of active control linear motor vibration - Google Patents
Method, apparatus, system and the electronic equipment of active control linear motor vibration Download PDFInfo
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- CN106160622B CN106160622B CN201610534042.2A CN201610534042A CN106160622B CN 106160622 B CN106160622 B CN 106160622B CN 201610534042 A CN201610534042 A CN 201610534042A CN 106160622 B CN106160622 B CN 106160622B
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Abstract
The invention discloses method, apparatus, system and the electronic equipment of a kind of vibration of active control linear motor, this method includes obtaining input signal for driving linear motor or according to signal caused by input signal, as pending signal；Analyze the frequency and voltage of pending signal；According to reflection output voltage, the data of vibration frequency, maximum safe amplitude correspondence, the frequency that analysis obtains will be made to reach the output voltage of maximum safe amplitude as maximum Safety output voltage；According to the amplification factor of maximum Safety output voltage and power amplifier, maximum safe input voltage is calculated；The adjust instruction of the ratio of the voltage obtained with analysis comprising maximum safe input voltage is sent to the adjustment that pre-filtering amplifier carries out gain；Adjust instruction comprising maximum safe input voltage is exported to compressor reducer and/or limiter and carries out parameter adjustment.The present invention can export highest oscillation intensity under the premise of ensureing linear motor safety.
Description
Technical field
The present invention relates to linear motor vibration control technology fields, more particularly it relates to a kind of active control line
Method, apparatus, system and the electronic equipment of property motor vibrations.
Background technology
With the development of mobile interchange technology and pouring in for various consumer electronics products, people’s lives also become intelligence
Change and diversified.In colourful entertainment life, people are also higher and higher to the experience requirements of amusing products, and people need
Abundanter physical perception and man-machine interaction experience.Sense of touch occupies important one in the interactive application of body-sensing
Point, and linear motor is exactly the Primary Component for embodying sense of touch (or vibration sense).Therefore, smart mobile phone, tablet computer, smartwatch,
The electronic equipments such as intelligent glasses and Intelligent bracelet, game station (game paddle etc.) are mostly equipped with linear motor device to carry
For vibration sense.
In order to improve oscillation intensity, existing means are that relatively large gain is rule of thumb arranged to increase output signal
Voltage, however, the Oscillation Amplitude by linear motor can not be identified and controlled by vibrational system, once amplitude is more than certain
Amplitude, it will major injury is caused to linear motor, therefore, is based on existing control method, it is difficult to which by virtue of experience setting ensures
Linear motor safety, and highest oscillation intensity is exported as much as possible.
Invention content
It is an object of the present invention to provide a kind of new technical solution of the linear motor vibrations of control, with by identification and
Amplitude when controlling linear motor operations adjusts systematic parameter.
According to the first aspect of the invention, a kind of method of active control linear motor vibration, the linear horse are provided
The vibrational system reached includes the pre-filtering amplifier being sequentially connected between signal input part and signal output end, the first compression
Device and/or the first limiter and power amplifier, the method includes：
Input signal for driving linear motor is obtained or according to signal caused by the input signal, as waiting for
Handle signal；
Analyze the frequency and voltage of the pending signal；
According to known reflection output voltage, the data of vibration frequency, maximum safe amplitude correspondence, will to analyze
The frequency that the pending signal obtains reaches the output voltage of maximum safe amplitude as maximum Safety output voltage；
According to the amplification factor of maximum the Safety output voltage and the power amplifier, maximum safety input electricity is obtained
Pressure；
It calculates the maximum safe input voltage and analyzes the ratio for the voltage that the pending signal obtains；
Adjust instruction comprising the ratio is sent to the pre-filtering amplifier and carries out Gain tuning；
Adjust instruction comprising the maximum safe input voltage is exported to first compressor reducer and/or first and is limited
Device carries out parameter adjustment.
Optionally, the method further includes：
To analyze the frequency that the pending signal obtains reach the corresponding vibration frequency of maximum safe amplitude as
Target output frequency；
Adjust instruction comprising the target output frequency is exported to the pre-filtering amplifier and carries out frequency-selective network
Adjustment.
According to the second aspect of the invention, a kind of device of active control linear motor vibration, the linear horse are provided
The vibrational system reached includes the pre-filtering amplifier being sequentially connected between signal input part and signal output end, the first compression
Device and/or the first limiter and power amplifier, described device include：
Signal acquisition module, for obtaining input signal for driving linear motor or according to the input signal institute
The signal of generation, as pending signal；
Signal analysis module, frequency and voltage for analyzing the pending signal；
Amplitude estimation module, for according to known reflection output voltage, vibration frequency, maximum safe amplitude correspondence
Data, will to analyze the frequency that the pending signal obtains and reach the output voltage of maximum safe amplitude as maximum peace
Full output voltage；
Safe voltage determining module, for the times magnification according to maximum the Safety output voltage and the power amplifier
Number, obtains maximum safe input voltage；
Gain calculation module, the ratio for calculating the voltage that the maximum safe input voltage is obtained with analysis；
Gain tuning control module, for will include that the adjust instruction of the ratio is sent to the pre-filtering amplifier
Carry out Gain tuning；And
Pressure limiting adjusts control module, for will include that the adjust instruction of the maximum safe input voltage is exported to described the
One compressor reducer and/or the first limiter carry out parameter adjustment.
Optionally, described device further includes：
Output frequency determining module reaches maximum safety for will to analyze the frequency that the pending signal obtains and shakes
Corresponding vibration frequency is as target output frequency；And
Frequency-selecting control module, for will include that the adjust instruction of the target output frequency is sent to the pre-filtering and puts
Big device carries out the adjustment of frequency-selective network.
According to the third aspect of the invention we, a kind of device of active control linear motor vibration, including memory are provided
And processor, for storing instruction, described instruction is operated for controlling the processor to execute basis the memory
Method described in first aspect present invention.
According to the fourth aspect of the invention, a kind of system of active control linear motor vibration is provided comprising：
Device according to a second aspect of the present invention or described in the third aspect；
Pre-filtering amplifier, for being filtered to input signal and enhanced processing, and sent according to described device
Adjust instruction carries out corresponding parameter adjustment；
First compressor reducer and/or the first limiter, for the input signal after filtering and enhanced processing carry out compression and/
Or limitation, and corresponding parameter adjustment is carried out according to the adjust instruction that described device is sent；
Buffer, for carrying out caching output to the input signal, so that the input signal is in the pre-filtering
Amplifier and first compressor reducer and/or the first limiter are input to the preposition filter again after completing corresponding parameter adjustment
Twt amplifier；
Power amplifier is obtained for driving for treated that input signal is amplified processing to compressing and/or limit
The output signal of linear motor；And
Linear motor, for generating vibration according to the output signal.
Optionally, the input signal is digital signal, the system also includes：
Digital analog converter obtains corresponding for carrying out digital-to-analogue conversion to compressing and/or limiting treated input signal
Analog signal output is to the power amplifier.
Optionally, the system also includes：
Second compressor reducer and/or the second limiter, for after the input signal is compressed and/or is limited to described
Device exports pending signal.
According to the fifth aspect of the invention, a kind of electronic equipment is provided comprising described according to a fourth aspect of the present invention
System.
It was found by the inventors of the present invention that in the prior art, there are the Oscillation Amplitudes of linear motor can not be by vibration system
System is identified and is controlled, therefore is by virtue of experience improved gain and be likely to linear motor with the control mode for obtaining stronger vibration sense
The problem of causing major injury.Therefore, the technical assignment or the technical problem to be solved is that abilities that the present invention to be realized
It is that field technique personnel never expect or it is not expected that, therefore the present invention is a kind of new technical solution.
The advantageous effect of the present invention is that the method for the present invention, device, system and electronic equipment are based on to linear motor
The identification of Oscillation Amplitude realizes the active control to linear motor, so can under the premise of ensureing linear motor safety,
Highest oscillation intensity is exported as much as possible.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
A kind of frame principle figure of basic structure of Fig. 1 systems that linear motor vibrates in order to control；
The frame principle figure of another basic structure of Fig. 2 systems that linear motor vibrates in order to control；
Fig. 3 is a kind of flow chart of the embodiment for the method vibrated according to active control linear motor of the present invention；
Fig. 4 is the flow chart of the another embodiment for the method vibrated according to active control linear motor of the present invention；
Fig. 5 is a kind of frame principle figure of implementation structure of the device vibrated according to active control linear motor of the present invention；
Fig. 6 is another square frame principle for implementing structure of the device vibrated according to active control linear motor of the present invention
Figure；
Fig. 7 is the square frame principle according to a kind of implementation structure of the system of the active control linear motor vibration of the present invention
Figure；
Fig. 8 is another square frame principle for implementing structure according to the system of the active control linear motor vibration of the present invention
Figure；
Fig. 9 is the frame principle figure according to a kind of implementation structure of electronic equipment of the present invention.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The present invention is likely to the control mode for obtaining stronger vibration sense to linear to solve by virtue of experience to improve gain
Motor causes the problem of major injury, provides a kind of based on the side for realizing active control to the identification of linear motor Oscillation Amplitude
Method, under the premise of ensureing linear motor safety, to export highest oscillation intensity as much as possible.To facilitate the understanding of the present invention
Method first introduces the basic structure of linear motor vibrational system below.
Fig. 1 is a kind of frame principle figure of implementation structure of linear motor vibrational system, and the suitable input signal of the structure is
The application scenario of analog signal.
According to Fig. 1, which includes being sequentially connected between signal input part Jin and signal output end Jout
Pre-filtering amplifier U1, the first compressor reducer and/or the first limiter U2 and power amplifier U4, wherein signal input part
Jin is for receiving input signal, and signal output end Jout is used to provide output signal to linear motor M, to drive linear motor M
Vibration.
Above-mentioned pre-filtering amplifier U1 is used to be filtered input signal and enhanced processing, and it typically is active power filterings
Amplifier U1, and embody bandpass filtering performance.
Above-mentioned first compressor reducer and/or the first limiter U2 can be the first compressor reducers, can also be the first limiter U2,
It can also be that the first compressor reducer combines the first limiter, and for the latter, compressor can be referred to as.Compressor reducer with limit
The relevant parameter of signal amplitude processed includes compression threshold and compression ratio, i.e. input of the compressor reducer for the compression threshold higher than setting
Signal carries out compression output according to the compression ratio of setting.Limiter includes limitation valve with the limitation relevant parameter of signal amplitude
Value, limiter export the input signal higher than the limit threshold values according to the limit threshold values.Therefore, first compressor reducer and/
Or first limiter U2 for the input signal after filtering and enhanced processing to be compressed and/or is limited, it is linear to play protection
The effect of motor.
Above-mentioned power amplifier U4 is used for compressing and/or limit that treated that input signal is amplified processing, obtains
Output signal for driving linear motor.
Fig. 2 is another frame principle figure for implementing structure of linear motor vibrational system, which is suitble to input signal
For the application scenario of digital signal.
According to Fig.2, which is somebody's turn to do with implementation structure shown in Fig. 1 difference lies in digital analog converter U3 is increased
Digital analog converter U3 is connected between the first compressor reducer and/or the first limiter U2 and power amplifier U3, is used for compression
And/or limitation treated input signal carries out digital-to-analogue conversion, obtains corresponding analog signal output to power amplifier U4.
Fig. 3 is a kind of flow chart of the embodiment for the method vibrated according to active control linear motor of the present invention.
According to Fig.3, the method for the present invention includes the following steps：
Step S301 obtains the input signal for driving linear motor or believes according to caused by the input signal
Number, as pending signal.
It is, for example, to believe input via the second compressor reducer and/or the second limiter according to signal caused by the input signal
The signal that compression and/or limitation are handled number is carried out, to eliminate momentary spike in input signal and be led because circuit is unstable
The abnormal signal pulse of cause avoids the analyze speed in signal from being not enough to cause when identifying the momentary spike and abnormal signal pulse
Influence to analysis result.
Step S302 analyzes the frequency and voltage of pending signal.
Step S303, according to known reflection output voltage, the data of vibration frequency, maximum safe amplitude correspondence,
It will so that analyzing the frequency that pending signal obtains reaches the output voltage of maximum safe amplitude as maximum Safety output voltage.
The data can be obtained by the amplitude relation curve with frequency change captured under each output voltage, that is, pass through one
The relation curve of series can be obtained the correspondence between output voltage, maximum safe amplitude and vibration frequency.
It, should be so that the frequency that the pending signal of analysis obtains if it is a frequency band to analyze the frequency that pending signal obtains
Reaching the output voltage of maximum safe amplitude can be：So that the frequency that the pending signal of analysis obtains reaches in the frequency band
The minimum output voltage of maximum safe amplitude；In the active control for combining vibration frequency, or so that analysis is pending
The frequency that signal obtains reaches the maximum output voltage or other output voltages of maximum safe amplitude.
Step S304 obtains the amplification factor of power amplifier U4, which can be according to the power amplification of selection
Device is manually entered.
Step S305 obtains maximum safe input voltage according to maximum Safety output voltage and amplification factor.
Specifically, which is equal to maximum Safety output voltage divided by amplification factor.
Step S306 calculates maximum safe input voltage and analyzes the ratio for the voltage that pending signal obtains.
Adjust instruction comprising ratio is sent to pre-filtering amplifier U1 and carries out Gain tuning by step S307.
Adjust instruction comprising maximum safe input voltage is exported to the first compressor reducer and/or first and is limited by step S308
Device processed carries out parameter adjustment, so that the signal exported through compressor reducer and/or limiter (is input to the letter of power amplifier U4
Number) amplitude be no more than maximum safe input voltage.According to the above description, being mainly compression threshold and pressure for compressor reducer
The adjustment of contracting ratio is mainly the adjustment of limit threshold values for limiter.
Such as it can be according to setting the Gain tuning as equal to the ratio；Can also according to set by the Gain tuning as
More than the ratio, input signal is carried out by the first compressor reducer and/or the first limiter with further to be no more than maximum safety
The limitation of input voltage；In addition, the first compressor reducer is arranged, and the first compressor reducer is arranged to the signal less than limit threshold values
It, can also be according to setting Gain tuning as less than the ratio in the case of being amplified processing.
It can be seen that the method for the present invention can carry out amplitude estimation according to measured data, and then determine so that input signal
Place frequency reaches the output voltage of maximum safe amplitude as maximum Safety output voltage, and is exported and adjusted according to the output voltage
Whole instruction realizes the adjustment of the gain to pre-filtering amplifier U1 and to the parameter of the first compressor reducer and/or the first limiter
Adjustment so that the output voltage of power amplifier U4 is close to maximum Safety output voltage, and then make linear motor
The maximum safe amplitude of amplitude infinite approach, realize the purpose that maximum vibration sense is generated under the premise of ensureing linear motor safety.
Fig. 4 is the flow chart of another embodiment according to the method for the present invention.
The embodiment is to increase step shown in Fig. 2 on the basis of embodiment shown in Fig. 1, specially：
Step S401 will so that analyzing the frequency that the pending signal obtains reaches the corresponding vibration of maximum safe amplitude
Frequency is as target output frequency.
Here, input signal is typically the signal in one section or multistage frequency range, therefore, amplitude estimation is being carried out
When need to search the output voltage for reaching maximum safe amplitude in the frequency range that input signal is related to, in this way, the target is defeated
Go out the vibration frequency that frequency is corresponding maximum safe amplitude and the maximum Safety output voltage determined.
Adjust instruction comprising target output frequency is exported to pre-filtering amplifier U1 and carries out frequency-selecting net by step S402
The adjustment of network, so that the frequency of filtered signal is essentially vibration frequency or for the relatively narrow frequency range comprising vibration frequency.
It can be seen that embodiment shown in Fig. 2 enables to be supplied to the output signal of linear motor to include mainly energy
Enough useful signals for generating stronger vibration sense.The embodiment is but also the method for the present invention can be suitable for the applied field of wideband input
It closes.
According to the second aspect of the invention, a kind of device of active control linear motor vibration is additionally provided.Fig. 5 is basis
A kind of frame principle figure of implementation structure of device 500 of the present invention.
According to Fig.5, which includes signal acquisition module 501, signal analysis module 502, amplitude estimation module
503, safe voltage determining module 504, gain calculation module 505, Gain tuning control module 506 and pressure limiting adjust control module
506。
Above-mentioned signal acquisition module 501 is used to obtain input signal for driving linear motor or according to the input
Signal caused by signal, as pending signal.
Above-mentioned signal analysis module 502 is used to analyze the frequency and voltage of pending signal.
Above-mentioned amplitude estimation module 503 is used for according to known reflection output voltage, vibration frequency, maximum safe amplitude pair
The data that should be related to will so that analyzing the frequency that pending signal obtains reaches the output voltage of maximum safe amplitude as maximum
Safety output voltage.
Above-mentioned safe voltage determining module 504 is used for the times magnification according to maximum Safety output voltage and power amplifier U4
Number, obtains maximum safe input voltage.
Above-mentioned gain calculation module 505 is used to calculate the ratio for the voltage that maximum safe input voltage is obtained with analysis.
Above-mentioned Gain tuning control module 506 is used to the adjust instruction comprising ratio being sent to pre-filtering amplifier U1
Carry out Gain tuning.
Above-mentioned pressure limiting adjustment control module 507 is used to export the adjust instruction comprising maximum safe input voltage to first
Compressor reducer and/or the first limiter U2 carry out parameter adjustment.
Fig. 6 is another frame principle figure for implementing structure according to apparatus of the present invention 500.
According to Fig.6, further include output frequency determining module on the basis of the 500 implementation structure shown in Fig. 5 of device
508 and frequency-selecting control module 509.
Above-mentioned output frequency determining module 508 is for will so that analyzing the frequency that pending signal obtains reaches maximum safety
The corresponding vibration frequency of amplitude is as target output frequency.
Above-mentioned frequency-selecting control module 509 is used to the adjust instruction comprising target output frequency being sent to pre-filtering amplification
Device carries out the adjustment of frequency-selective network.
According to the third aspect of the invention we, the hardware configuration of the device of active control linear motor vibration of the invention can be with
Including memory and processor, for storing instruction, which is operated for control processor to execute root the memory
According to the method for the active control linear motor vibration of the present invention.
According to the fourth aspect of the invention, the system of active control linear motor of the invention vibration is shown in Fig. 1 or Fig. 2
Basic structure on the basis of, further include the apparatus according to the invention 500.
Fig. 7 is a kind of frame principle figure of implementation structure of the system of active control linear motor according to the present invention, should
Structure is suitble to input signal for the application scenario of digital signal, and solid line representation signal in figure, dotted line represents adjust instruction.
According to Fig.7, the system include device 500, buffer U0, pre-filtering amplifier U1, the first compressor reducer and/
Or the first limiter U2, digital analog converter U3, power amplifier U4 and linear motor M.
Pre-filtering amplifier U1 is used to be filtered input signal and enhanced processing, and is sent according to device 500
Adjust instruction carry out corresponding parameter adjustment.
First compressor reducer and/or the first limiter U2 are for compressing the input signal after filtering and enhanced processing
And/or limitation, and corresponding parameter adjustment is carried out according to the adjust instruction that device 500 is sent.
Buffer U0 for carrying out caching output to input signal so that input signal pre-filtering amplifier U1,
And first compressor reducer and/or the first limiter U2 complete corresponding parameter adjustment after be input to pre-filtering amplifier U1 again, into
And it is effective to ensure that pre-filtering amplifier U1 and the first compressor reducer and/or the first limiter U2 handle input signal
Property.
Digital analog converter U3 is used to carry out digital-to-analogue conversion to compressing and/or limiting treated input signal, obtains pair
The analog signal output answered is to power amplifier U4.
Power amplifier U4 is used to (be specially the input of analog quantity to compressing and/or limiting treated input signal
Signal) it is amplified processing, obtain the output signal for driving linear motor.
Linear motor M is used to generate vibration according to output signal.
Fig. 8 is another frame principle figure for implementing structure of the system of active control linear motor according to the present invention,
The structure is suitble to input signal for the application scenario of digital signal, and solid line representation signal in figure, dotted line represents adjust instruction.
Implementing structure shown in Fig. 8, difference lies in add the second compressor reducer and/or the second limit with structure is implemented shown in Fig. 7
Device U5 processed exports pending signal after being used to that input signal to be compressed and/or be limited to device 500, to eliminate input
Momentary spike in signal and the abnormal signal pulse caused by circuit is unstable avoid the analyze speed in signal from being not enough to
Identify the influence caused when the momentary spike and abnormal signal pulse to analysis result.
For the application scenario that input signal is analog signal, referring to Fig.1, corresponding system removes real shown in Fig. 7 and Fig. 8
Apply the digital analog converter U3 in structure.
According to the fifth aspect of the invention, a kind of electronic equipment is additionally provided, which can be mobile phone, tablet electricity
Brain etc., Fig. 9 are the frame principle figures according to a kind of implementation structure of electronic equipment of the present invention.
According to Fig.9, which includes vibrational system according to the present invention, i.e. vibrational system 901.Except this it
Outside, which can also include photographic device 902, interface arrangement 903, input unit 904, display device 905, communication dress
Set 906, loud speaker 907, microphone 908 etc..Although multiple devices are shown in FIG. 9, electronic equipment of the present invention can
To only relate to a part therein.
Above-mentioned communication device 906 can for example carry out wired or wireless communication.
Above-mentioned interface arrangement 903 is such as including earphone jack, USB interface.
Above-mentioned input unit 904 is such as may include touch screen, button.
Above-mentioned display device 905 is, for example, liquid crystal display, touch display screen etc..
Above-mentioned photographic device 902 is for example including front camera and rear camera.
The various embodiments described above primary focus describes difference from other examples, but those skilled in the art should be clear
Chu, the various embodiments described above can be used alone or be combined with each other as needed.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Divide cross-reference, each embodiment focuses on the differences from other embodiments, but people in the art
Member is it should be understood that the various embodiments described above can be used alone or be combined with each other as needed.In addition, for device
For embodiment, since it is corresponding with embodiment of the method, so describing fairly simple, related place is implemented referring to method
The explanation of the corresponding part of example.System embodiment described above is only schematical, wherein being used as separating component
The module of explanation may or may not be physically separated.
The present invention can be device, method and/or computer program product.Computer program product may include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the invention.
Computer readable storage medium can be can keep and store the instruction used by instruction execution equipment tangible
Equipment.Computer readable storage medium for example can be-- but be not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electromagnetism storage device, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium
More specific example (non exhaustive list) includes：Portable computer diskette, random access memory (RAM), read-only is deposited hard disk
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static RAM (SRAM), portable
Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to
It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, LAN, wide area network and/or wireless network
Portion's storage device.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, fire wall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
For execute the computer program instructions that operate of the present invention can be assembly instruction, instruction set architecture (ISA) instruction,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
Arbitrarily combine the source code or object code write, the programming language include the programming language-of object-oriented such as
Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions can be executed fully, partly execute on the user computer, is only as one on the user computer
Vertical software package executes, part executes or on the remote computer completely in remote computer on the user computer for part
Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind
It includes LAN (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as profit
It is connected by internet with ISP).In some embodiments, by using computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the present invention
Face.
Referring herein to according to the method for the embodiment of the present invention, the flow chart of device (system) and computer program product and/
Or block diagram describes various aspects of the invention.It should be appreciated that flowchart and or block diagram each box and flow chart and/
Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to all-purpose computer, special purpose computer or other programmable datas
The processor of processing unit, to produce a kind of machine so that these instructions are passing through computer or other programmable datas
When the processor of processing unit executes, work(specified in one or more of implementation flow chart and/or block diagram box is produced
The device of energy/action.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to
It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, to be stored with instruction
Computer-readable medium includes then a manufacture comprising in one or more of implementation flow chart and/or block diagram box
The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment so that series of operation steps are executed on computer, other programmable data processing units or miscellaneous equipment, with production
Raw computer implemented process, so that executed on computer, other programmable data processing units or miscellaneous equipment
Instruct function action specified in one or more of implementation flow chart and/or block diagram box.
Flow chart and block diagram in attached drawing show the system, method and computer journey of multiple embodiments according to the present invention
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
One module of table, program segment or a part for instruction, the module, program segment or a part for instruction include one or more use
The executable instruction of the logic function as defined in realization.In some implementations as replacements, the function of being marked in box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can essentially be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, this is depended on the functions involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart can use function or dynamic as defined in executing
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.It is right
It is well known that, realized by hardware mode for those skilled in the art, realized by software mode and by software and
It is all of equal value that the mode of combination of hardware, which is realized,.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or this technology is made to lead
Other those of ordinary skill in domain can understand each embodiment disclosed herein.The scope of the present invention is limited by appended claims
It is fixed.
Claims (9)
1. a kind of method of active control linear motor vibration, which is characterized in that the vibrational system of the linear motor includes suitable
The secondary pre-filtering amplifier being connected between signal input part and signal output end, the first compressor reducer and/or the first limiter,
And power amplifier, the method includes：
Input signal for driving linear motor is obtained or according to signal caused by the input signal, as pending
Signal；
Analyze the frequency and voltage of the pending signal；
According to known reflection output voltage, the data of vibration frequency, maximum safe amplitude correspondence, will make described in analysis
The frequency that pending signal obtains reaches the output voltage of maximum safe amplitude as maximum Safety output voltage；
According to the amplification factor of maximum the Safety output voltage and the power amplifier, maximum safe input voltage is obtained；
It calculates the maximum safe input voltage and analyzes the ratio for the voltage that the pending signal obtains；
Adjust instruction comprising the ratio is sent to the pre-filtering amplifier and carries out Gain tuning；
By the adjust instruction comprising the maximum safe input voltage export to first compressor reducer and/or the first limiter into
Row parameter adjustment.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
The frequency that the pending signal obtains will be made to reach the corresponding vibration frequency of maximum safe amplitude as target output
Frequency；
Adjust instruction comprising the target output frequency is exported to the pre-filtering amplifier to the tune for carrying out frequency-selective network
It is whole.
3. a kind of device of active control linear motor vibration, which is characterized in that the vibrational system of the linear motor includes suitable
The secondary pre-filtering amplifier being connected between signal input part and signal output end, the first compressor reducer and/or the first limiter,
And power amplifier, described device include：
Signal acquisition module, for obtaining input signal for driving linear motor or according to produced by the input signal
Signal, as pending signal；
Signal analysis module, frequency and voltage for analyzing the pending signal；
Amplitude estimation module, for the number according to known reflection output voltage, vibration frequency, maximum safe amplitude correspondence
According to will to analyze the frequency that the pending signal obtains and reach the output voltage of maximum safe amplitude as maximum defeated safely
Go out voltage；
Safe voltage determining module is used for the amplification factor according to maximum the Safety output voltage and the power amplifier,
Obtain maximum safe input voltage；
Gain calculation module, the ratio for calculating the voltage that the maximum safe input voltage is obtained with analysis；
Gain tuning control module, for will include that the adjust instruction of the ratio is sent to the pre-filtering amplifier and carries out
Gain tuning；And
Pressure limiting adjust control module, for by include the maximum safe input voltage adjust instruction export to it is described first pressure
Contracting device and/or the first limiter carry out parameter adjustment.
4. device according to claim 3, which is characterized in that described device further includes：
Output frequency determining module, for will so that analyzing the frequency that the pending signal obtains reaches maximum safe amplitude pair
The vibration frequency answered is as target output frequency；And
Frequency-selecting control module, for will include that the adjust instruction of the target output frequency is sent to the pre-filtering amplifier
Carry out the adjustment of frequency-selective network.
5. a kind of device of active control linear motor vibration, including memory and processor, which is characterized in that the memory
For storing instruction, described instruction is operated for controlling the processor to execute side according to claim 1 or 2
Method.
6. a kind of system of active control linear motor vibration, which is characterized in that including：
Device described in claim 3,4 or 5；
Pre-filtering amplifier, for being filtered to input signal and enhanced processing, and the adjustment sent according to described device
Instruction carries out corresponding parameter adjustment；
First compressor reducer and/or the first limiter, for the input signal after filtering and enhanced processing to be compressed and/or limited
System, and corresponding parameter adjustment is carried out according to the adjust instruction that described device is sent；
Buffer, for carrying out caching output to the input signal, so that the input signal is amplified in the pre-filtering
The pre-filtering is input to again after device and the corresponding parameter adjustment of first compressor reducer and/or the first limiter completion to put
Big device；
Power amplifier is obtained for driving line for treated that input signal is amplified processing to compressing and/or limit
The output signal of property motor；And
Linear motor, for generating vibration according to the output signal.
7. system according to claim 6, which is characterized in that the input signal is digital signal, and the system is also wrapped
It includes：
Digital analog converter obtains corresponding simulation for carrying out digital-to-analogue conversion to compressing and/or limiting treated input signal
Signal is exported to the power amplifier.
8. system according to claim 6, which is characterized in that the system also includes：
Second compressor reducer and/or the second limiter, for after the input signal is compressed and/or is limited to described device
Export pending signal.
9. a kind of electronic equipment, which is characterized in that including the system described in claim 6,7 or 8.
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| CN108307012B (en) * | 2018-01-24 | 2021-03-26 | 上海摩软通讯技术有限公司 | Mobile terminal and control system and method of telephone receiver |
| CN110045814B (en) * | 2018-12-30 | 2022-06-14 | 瑞声科技(新加坡)有限公司 | Excitation signal generation method and device, terminal and storage medium |
| WO2021109092A1 (en) * | 2019-12-05 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Method and apparatus for implementing tactile signals, terminal and storage medium |
| CN110995079B (en) * | 2019-12-16 | 2023-04-28 | 瑞声科技(新加坡)有限公司 | Method, device, terminal and storage medium for generating motor vibration signal |
| CN112974199A (en) * | 2021-02-08 | 2021-06-18 | 惠州Tcl移动通信有限公司 | Motor vibration method and device and intelligent terminal |
| WO2022242300A1 (en) * | 2021-05-20 | 2022-11-24 | 荣耀终端有限公司 | Method and device for adjusting vibration waveform of linear motor |
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| CN1459921A (en) * | 2002-05-21 | 2003-12-03 | 松下电器产业株式会社 | Driving device for linear motor |
| CN105471355A (en) * | 2015-09-30 | 2016-04-06 | 瑞声声学科技(深圳)有限公司 | Linear motor driving device and linear motor driving method |
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| CN1459921A (en) * | 2002-05-21 | 2003-12-03 | 松下电器产业株式会社 | Driving device for linear motor |
| CN105471355A (en) * | 2015-09-30 | 2016-04-06 | 瑞声声学科技(深圳)有限公司 | Linear motor driving device and linear motor driving method |
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