CN111552370A - Calibration method of vibration signal, storage medium and electronic device - Google Patents
Calibration method of vibration signal, storage medium and electronic device Download PDFInfo
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- CN111552370A CN111552370A CN201911347515.8A CN201911347515A CN111552370A CN 111552370 A CN111552370 A CN 111552370A CN 201911347515 A CN201911347515 A CN 201911347515A CN 111552370 A CN111552370 A CN 111552370A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/004—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/014—Force feedback applied to GUI
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention provides a calibration method, a storage medium and an electronic device of a vibration signal, firstly determining a mapping relation between a vibration effect parameter of a calibration motor and a calibration parameter thereof (the calibration parameter is a parameter reflecting the relation between a structural parameter of the motor and the vibration displacement of the motor), thus obtaining a detection value of the calibration parameter after the calibration motor is driven by an initial vibration signal X, judging whether the value of the vibration effect parameter corresponding to a negative value of the detection value is superior to the value of the vibration effect parameter corresponding to the detection value in the mapping relation, if so, setting the initial vibration signal as-X, otherwise, setting the initial vibration signal as X, and further enhancing the tactile feedback of the calibration motor. Therefore, in the batch use process of the motors, each motor monomer can carry out adaptive calibration on the vibration signals according to the structural parameters of the motor monomer, the consistency of vibration feedback in the batch use process of the motors is improved, and the touch feedback is enhanced.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of linear motor technologies, and in particular, to a calibration method for a vibration signal, a storage medium, and an electronic device.
[ background of the invention ]
In the application of electronic devices (smart phones or tablet computers, etc.), the motor is playing an increasingly important role as a tactile feedback mode. At present, in the production process of a motor, due to the influence of magnetic circuits, structures, processes, assembly and the like, the motor can present a certain asymmetry, specifically, structural parameters of the motor can present asymmetry, and more specifically, electromagnetic force, spring acting force and the like are not symmetrical about a central point of the motor in physical displacement.
At present, in the mass use of motors, all motors are usually driven by adopting a fixed signal, and the mode of individually designing a special signal for each motor monomer to generate target vibration feedback is unrealistic, so that the problem of inconsistent vibration feedback can occur due to asymmetry of structural parameters in the mass use process of the motors, and the tactile feedback is influenced.
[ summary of the invention ]
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a calibration method of vibration signal, a storage medium and an electronic device, which aim to solve the problem of inconsistent vibration feedback during mass use of motors in the prior art, thereby affecting the tactile feedback.
In a first aspect, the present invention provides a calibration method for a vibration signal, the vibration signal being used to drive a calibration motor to vibrate, the calibration method for the vibration signal comprising:
s1, determining the mapping relation between the vibration effect parameter of a preset motor and the calibration parameter of the preset motor;
the vibration effect parameter is a parameter reflecting the vibration effect of the motor, the calibration parameter is a parameter reflecting the relationship between the structural parameter of the motor and the vibration displacement of the motor, and the structural parameter is a parameter only related to the self structure of the motor;
s2, providing an initial vibration signal X, driving the calibration motor to vibrate, and acquiring a detection value of the calibration parameter of the calibration motor;
s3, comparing the mapping relation, judging whether the value of the vibration effect parameter corresponding to the negative value of the detection value is better than the value of the vibration effect parameter corresponding to the detection value,
if yes, setting the vibration signal as-X,
if not, setting the vibration signal as X.
Further, the calibration parameter is a displacement offset, and the displacement offset is: in a coordinate system which takes the vibration displacement of the motor as an abscissa and takes the structural parameter as an ordinate, the difference value between the displacement value corresponding to the extreme point of the structural parameter and the displacement origin point, and the positive direction of the abscissa is the initial displacement direction of the motor.
Further, the step S1 includes:
and changing the structural parameters of the preset motors for a plurality of times, driving the preset motors configured with each structural parameter and acquiring the corresponding values of the calibration parameters and the corresponding values of the vibration effect parameters to generate the mapping relation.
Further, the preset motor is a virtual motor model.
Further, the step S2 further includes:
after the calibration motor vibrates, at least one of acceleration, voltage and current of the calibration motor is collected so as to calculate and obtain the relation between the structural parameter of the calibration motor and the vibration displacement of the calibration motor.
Further, the vibration effect parameter is a parameter for reflecting the vibration braking effect of the motor.
Further, the structural parameter is a spring stiffness coefficient of an elastic member supporting the motor to vibrate. Further, the vibration signal is a voltage signal.
In a second aspect, the present invention provides a computer-readable storage medium having stored thereon a calibration program for a vibration signal, the calibration program for a vibration signal being executed by a processor to perform the steps of the calibration method for a vibration signal according to the first aspect.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a calibration program of a vibration signal stored on the memory and executable on the processor, the calibration program of a vibration signal implementing the steps of the calibration method of a vibration signal as described in the first aspect when executed by the processor.
Compared with the prior art, the calibration method, the storage medium and the electronic device for the vibration signal provided by the invention firstly determine the mapping relation between the vibration effect parameter of the calibration motor and the calibration parameter thereof (the calibration parameter is a parameter reflecting the relation between the structural parameter of the motor and the vibration displacement of the motor), so that the detection value of the calibration parameter is obtained after the calibration motor is driven by the initial vibration signal X, whether the value of the vibration effect parameter corresponding to the negative value of the detection value is superior to the value of the vibration effect parameter corresponding to the detection value is judged in the mapping relation, if so, the initial vibration signal is set to be-X, otherwise, the initial vibration signal is set to be X, and therefore, the tactile feedback of the calibration motor is enhanced. Therefore, in the batch use process of the motors, each motor monomer can carry out adaptive calibration on the vibration signals according to the structural parameters of the motor monomer, the consistency of vibration feedback in the batch use process of the motors is improved, and the touch feedback is enhanced.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a calibration method for vibration signals according to embodiment 1 of the present invention;
fig. 2 is a mapping relationship diagram of a vibration effect parameter and a calibration parameter in embodiment 1 of the present invention;
FIG. 3 is a graph showing the relationship between the spring stiffness and the vibration displacement in example 1 of the present invention;
FIG. 4 is a schematic diagram of calibrating the front-rear vibration signal in embodiment 1 of the present invention;
FIG. 5 is a view showing the calibration of the amount of vibration of the motor before and after calibration in example 1 of the present invention;
fig. 6 is a schematic structural diagram of an electronic device provided in embodiment 2 of the present invention.
[ detailed description ] embodiments
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, the problem of inconsistent vibration feedback exists in the batch use process of the motor, and the tactile feedback effect is influenced. Therefore, the embodiment provides a calibration method of a vibration signal, which is used for adaptively calibrating the vibration signal according to the structural parameters of a calibration motor, and each motor unit can adaptively calibrate the vibration signal in the batch use process of the motor, so as to improve the consistency of vibration feedback in the batch use process of the motor and enhance the tactile feedback.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is described in further detail with reference to the accompanying drawings and the detailed description thereof.
Example 1
Referring to fig. 1, a method for calibrating a vibration signal, the vibration signal being used to drive a calibration motor to vibrate, includes:
and S1, determining the mapping relation between the vibration effect parameter of a preset motor and the calibration parameter of the preset motor.
Specifically, the mapping relationship between the vibration effect parameter and the calibration parameter needs to be determined first to perform the subsequent calibration operation. The respective parameters in the above step S1 are explained below:
the preset motor is a virtual motor model, and can be used for simulating an actual motor in some scenes.
The vibration effect parameter is a parameter representing the vibration effect of the motor. More specifically, the vibration effect parameter is a parameter for reflecting the vibration braking effect of the motor.
The structural parameters are parameters only related to the structure of the motor itself, and more specifically, the structural parameters include parameters that affect the vibration of the motor, such as the spring stiffness coefficient, the motor voice coil inductance coefficient, the motor electromagnetic force coefficient, or the force resistance coefficient of the damper. In this embodiment, the structural parameter is the spring stiffness of the elastic member supporting the motor vibration.
The calibration parameter is a parameter representing a relationship between a structural parameter of the motor and a vibration displacement of the motor. More specifically, the calibration parameter is a displacement offset, specifically: in a coordinate system with the vibration displacement of the motor as an abscissa (the positive direction of the abscissa is the initial displacement direction of the motor) and the structural parameter as an ordinate, the difference between the displacement value corresponding to the extreme point of the structural parameter and the displacement origin is obtained.
Further, the step S1 includes:
and changing the structural parameters of the preset motors for a plurality of times, driving the preset motors configured with each structural parameter and acquiring the corresponding values of the calibration parameters and the corresponding values of the vibration effect parameters to generate the mapping relation.
Specifically, after the structural parameter of the preset motor is changed once, the preset motor is driven by a vibration signal, an extreme point of the structural parameter can be obtained, and the difference value between the extreme point and the displacement origin is a calibration parameter (namely, a displacement offset); in addition, after driving, a vibration effect parameter can be acquired, that is, a calibration parameter and a corresponding vibration effect parameter can be acquired by changing the structural parameter of the preset motor once. Therefore, by changing the structural parameters of the preset motor for a plurality of times and using the same vibration signal to drive, a plurality of calibration parameters and a plurality of corresponding vibration effect parameters can be obtained. Therefore, the mapping relation between the vibration effect parameters and the calibration parameters can be generated through the plurality of calibration parameters and the plurality of corresponding vibration effect parameters.
In the present embodiment, referring to fig. 2, the spring stiffness coefficient of the preset motor is changed several times and driven by the same vibration signal, so as to obtain the mapping relationship between the vibration effect parameter and the calibration parameter.
And S2, providing an initial vibration signal X, driving the calibration motor to vibrate, and acquiring the detection value of the calibration parameter of the calibration motor. Wherein the vibration signal is a voltage signal.
Specifically, the motors are driven by a fixed signal (i.e., the initial vibration signal X) in batch use, but each motor unit (i.e., a calibration motor) needs to be adaptively calibrated to the initial vibration signal X due to the structural parameters. Therefore, step S2 is for acquiring detection values for calibration.
Further, the step S2 further includes:
after the calibration motor vibrates, at least one of acceleration, voltage and current of the calibration motor is collected so as to calculate and obtain the relation between the structural parameter of the calibration motor and the vibration displacement of the calibration motor.
Specifically, after the calibration motor is driven to vibrate by the initial vibration signal X, at least one of acceleration, voltage and current of the calibration motor is acquired, and a relationship between the structural parameters of the calibration motor and the vibration displacement thereof is obtained after calculation, so as to obtain an extreme point of a relationship curve, wherein a difference value between the vibration displacement corresponding to the extreme point and a displacement origin is a detection value.
In the embodiment, referring to fig. 3, after the calibration motor is driven by the initial vibration signal X, the relationship between the spring stiffness coefficient and the vibration displacement is generated by collecting the acceleration, the voltage and the current, and it can be known from the relationship graph that the difference between the displacement corresponding to the extreme point and the displacement origin is about 0.1 mm.
And S3, contrasting the mapping relation, judging whether the value of the vibration effect parameter corresponding to the negative value of the detection value is better than the value of the vibration effect parameter corresponding to the detection value, if so, setting the vibration signal to be-X, and if not, setting the vibration signal to be X.
Specifically, the detection value obtained in step S2 is subjected to the mapping relationship obtained in step S1 to determine whether or not the value of the vibration effect parameter corresponding to the negative value of the detection value is better than the value of the vibration effect parameter corresponding to the detection value. If so, the initial vibration signal X is set to-X (the simple understanding is that the initial vibration signal X is flipped along the abscissa), and if not, the initial vibration signal X is set to X, i.e., no calibration is required. Thus, the calibration motor (namely, the motor unit) vibrates under the calibrated vibration signal, and the vibration tactile feedback of the motor unit can be improved.
In this embodiment, the detection value is 0.1, and the negative value of the detection value is-0.1, and it can be seen from the mapping relationship of fig. 2 that the vibration effect parameter corresponding to-0.1 is smaller than the vibration effect parameter corresponding to 0.1. It should be noted that the vibration effect parameter in fig. 2 is a parameter representing the vibration braking effect of the motor, and the smaller the value is, the better the braking effect is. Therefore, the vibration effect parameter corresponding to the negative value of the detection value is better than the vibration effect parameter corresponding to the detection value, and therefore, referring to fig. 4, the initial vibration signal X needs to be set to-X. The calibrated motor is driven by the calibrated vibration signal, please refer to fig. 5, which significantly improves the vibration tail condition, thus enhancing the vibration tactile feedback.
To sum up, in the embodiment, a mapping relationship between a vibration effect parameter of a calibration motor and a calibration parameter thereof (the calibration parameter is a parameter representing a relationship between a structural parameter of the motor and a vibration displacement of the motor) is first determined, so that a detection value of the calibration parameter is obtained after the calibration motor is driven by an initial vibration signal X, and whether a value of the vibration effect parameter corresponding to a negative value of the detection value is better than a value of the vibration effect parameter corresponding to the detection value is determined in the mapping relationship, if so, the initial vibration signal is set to-X, otherwise, the initial vibration signal is set to X, thereby enhancing the tactile feedback of the calibration motor. Therefore, in the batch use process of the motors, each motor monomer can carry out adaptive calibration on the vibration signals according to the structural parameters of the motor monomer, the consistency of vibration feedback in the batch use process of the motors is improved, and the touch feedback is enhanced.
Based on the same inventive concept, embodiments of the present invention further provide a computer storage medium and an electronic device corresponding to the calibration method for a vibration signal, and since the principles of solving the problems of the computer storage medium and the electronic device in the embodiments of the present invention are similar to the calibration method for a vibration signal described in embodiment 1 of the present invention, specific implementation thereof may refer to implementation of the calibration method for a vibration signal, and repeated details are not repeated.
Example 2
The present embodiment provides a computer-readable storage medium, which stores a calibration program of a vibration signal, and when the calibration program of the vibration signal is executed by a processor, the calibration program of the vibration signal performs the steps of the calibration method of the vibration signal described in embodiment 1 above. For specific implementation, refer to method embodiment 1, which is not described herein again.
In addition, referring to fig. 6, the embodiment further provides an electronic device, where the electronic device includes a processor 21, a memory 22 and a calibration program 23 for vibration signals, and fig. 6 only shows some components of the electronic device.
The memory 22 may in some embodiments be an internal storage unit of the electronic device, such as a hard disk or a memory of the electronic device. The memory 22 may also be an external storage device of the electronic device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the electronic device. Further, the memory 22 may also include both an internal storage unit and an external storage device of the electronic device. The memory 22 is used for storing application software installed in the electronic device and various types of data, such as program codes of the installed electronic device. The memory 22 may also be used to temporarily store data that has been output or is to be output. In one embodiment, the memory 22 stores a calibration program 23 for the vibration signal, and the program 23 can be executed by the processor 21.
The processor 21 may be a Central Processing Unit (CPU), microprocessor or other data Processing chip in some embodiments, and is used for running program codes stored in the memory 22 or Processing data.
In the present embodiment, the steps of the calibration method of the vibration signal described in embodiment 1 above are performed when the processor 21 executes the calibration program 23 of the vibration signal stored in the memory 22. For specific implementation, refer to method embodiment 1, which is not described herein again.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The calibration method of the vibration signal, the vibration signal is used for driving a calibration motor to vibrate, characterized in that, the calibration method of the vibration signal comprises:
s1, determining the mapping relation between the vibration effect parameter of a preset motor and the calibration parameter of the preset motor;
the vibration effect parameter is a parameter reflecting the vibration effect of the motor, the calibration parameter is a parameter reflecting the relationship between the structural parameter of the motor and the vibration displacement of the motor, and the structural parameter is a parameter only related to the self structure of the motor;
s2, providing an initial vibration signal X, driving the calibration motor to vibrate, and acquiring a detection value of the calibration parameter of the calibration motor;
s3, comparing the mapping relation, judging whether the value of the vibration effect parameter corresponding to the negative value of the detection value is better than the value of the vibration effect parameter corresponding to the detection value,
if yes, setting the initial vibration signal as-X,
if not, setting the initial vibration signal as X.
2. The method of calibrating a vibration signal according to claim 1, wherein the calibration parameter is a displacement offset, and the displacement offset is: in a coordinate system which takes the vibration displacement of the motor as an abscissa and takes the structural parameter as an ordinate, the difference value between the displacement value corresponding to the extreme point of the structural parameter and the displacement origin point, and the positive direction of the abscissa is the initial displacement direction of the motor.
3. The method for calibrating a vibration signal according to claim 1, wherein the step S1 includes:
and changing the structural parameters of the preset motors for a plurality of times, driving the preset motors configured with each structural parameter and acquiring the corresponding values of the calibration parameters and the corresponding values of the vibration effect parameters to generate the mapping relation.
4. A method of calibrating a vibration signal as claimed in claim 1, wherein the preset motor is a virtual motor model.
5. The method for calibrating a vibration signal according to claim 2, wherein the step S2 further comprises:
after the calibration motor vibrates, at least one of acceleration, voltage and current of the calibration motor is collected so as to calculate and obtain the relation between the structural parameter of the calibration motor and the vibration displacement of the calibration motor.
6. The method for calibrating vibration signal according to claim 1, wherein the vibration effect parameter is a parameter representing a vibration braking effect of a motor.
7. The method of calibrating a vibration signal of claim 1, wherein the structural parameter is a spring stiffness coefficient of an elastic member supporting the motor to vibrate.
8. The method of calibrating a vibration signal according to claim 1, wherein the vibration signal is a voltage signal.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a calibration program of vibration signals, which when executed by a processor performs the steps of the calibration method of vibration signals according to any one of claims 1 to 8.
10. An electronic device, characterized in that it comprises a memory, a processor and a calibration program of vibration signals stored on said memory and executable on said processor, said calibration program of vibration signals being executed by said processor implementing the steps of the calibration method of vibration signals according to any one of claims 1 to 8.
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