WO2021208121A1

WO2021208121A1 - Method and apparatus for quickly stopping vibration system, and computer device and storage medium

Info

Publication number: WO2021208121A1
Application number: PCT/CN2020/086075
Authority: WO
Inventors: 郑亚军
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2020-04-17
Filing date: 2020-04-22
Publication date: 2021-10-21
Also published as: CN111552379A; CN111552379B

Abstract

Disclosed in embodiments of the present application is a method for quickly stopping a vibration system, comprising: obtaining an initial vibration waveform to be processed; determining a balancing voltage signal of the initial vibration waveform by using a preset balancing algorithm; capturing, from the balancing voltage signal, a voltage signal starting from a preset position to a destination as a tail end voltage signal; obtaining an output voltage threshold of a target motor, and according to the initial vibration waveform and the preset position, determining a first waveform to be concatenated; according to a system resonant frequency of the target motor, the preset position, and said first waveform, generating a second waveform to be concatenated; and concatenating said first waveform and said second waveform, and driving a vibration system of the target motor by using a target output voltage, so as to quickly stop the vibration system of the target motor at a vibration tail end. The optimization of an initial vibration waveform improves the design efficiency and generation efficiency of a target vibration waveform, thereby facilitating improving the vibration effect of a vibration system of a motor to implement the quick stop function of the motor.

Description

Method, device, computer equipment and storage medium for rapid stopping of vibration system

Technical field

This application relates to the technical field of motors and signal processing, and in particular to a method, device, computer equipment, and storage medium for quickly stopping a vibration system.

Background technique

As a transducer based on the principle of electromagnetic induction, the motor is widely used in portable devices. Among them, the linear motor can have rich vibration effects and stable working conditions, which provides a lot of room for linear motor designers and vibration effect designers. In terms of user experience, they can obtain richer tactile experience effects. The application of haptic effects in real life is becoming more and more extensive, and it is also a competitive point of major electronic equipment companies. However, with the continuous development of electronic devices, the realization platforms of tactile effects (such as vibration systems) are also very different. Therefore, how to achieve the same haptic effect on different platforms is a very important issue. At present, the equalization algorithm is a commonly used technique. The designed vibration waveform is stored in the equipment, and then the required equalization voltage signal is calculated according to the mathematical model of the vibration system, and the design can be obtained by driving the vibration system with the equalization voltage signal Good vibration effect.

technical problem

However, there are obvious differences between various vibration systems, that is, the same effect may require completely different balanced voltage signals to achieve the same effect in different vibration systems. As we all know, electronic devices all have a fixed voltage output capability. For this reason, the balanced voltage may far exceed the output capability of the device. Once the balanced voltage signal exceeds the output capacity of the device, the actual vibration effect will be quite different from the designed vibration condition, which will cause a large residual vibration problem in the motor vibration system, which will affect the linear motor's quick stop function and reduce it The haptic effect.

Technical solutions

In view of this, the present application provides a method, device, computer equipment, and storage medium for quickly stopping a vibration system, which are used to solve the problem of poor vibration effect of the vibration system of the motor due to unreasonable vibration signal design in the prior art, causing tactile sensation The problem of poor results.

The specific technical solutions of the embodiments of this application are:

In the first aspect, an embodiment of the present application provides a method for quickly stopping a vibration system, including:

Step 102: Obtain an initial vibration waveform to be processed;

Step 104: Use a preset equalization algorithm to determine an equalized voltage signal of the initial vibration waveform;

Step 106, intercept a voltage signal from a preset position to an end point from the equalized voltage signal as an end voltage signal, where the preset position is a position near the end in the equalized voltage signal;

Step 108: Obtain an output voltage threshold value of the target motor, and when the terminal voltage signal is greater than the output voltage threshold value, determine a first waveform to be spliced according to the initial vibration waveform and the preset position;

Step 110: Generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced;

Step 112: Perform splicing processing on the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform;

Step 114: Based on the target vibration waveform, an equalization algorithm is used to calculate the target output voltage;

Step 116: Use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.

Further, step 108 also includes:

When the terminal voltage signal is less than or equal to the output voltage threshold, determining the equalized voltage signal as the target output voltage;

The target output voltage is directly used to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.

Further, step 104 includes:

According to the initial vibration waveform and the corresponding characteristics of the motor system, the equalized voltage signal is calculated by an equalizing algorithm.

Further, the time interval from the preset position to the starting point of the initial vibration waveform is 5-20 times the time interval from the preset position to the end point of the initial vibration waveform.

Further, step 108 includes:

From the initial vibration waveform, delete the initial vibration waveform from the preset position to the end point to obtain the first waveform to be spliced.

Further, step 110 includes:

Acquiring a sinusoidal voltage signal corresponding to the system resonance frequency of the target motor;

Using a preset mathematical model of the vibration system corresponding to the sinusoidal voltage signal to calculate the vibration response waveform of the target motor;

The second waveform to be spliced is generated according to the vibration response waveform, the preset position, and the first waveform to be spliced.

Further, step 110 includes:

Acquiring the first amplitude of the first waveform to be spliced at the preset position;

The vibration response waveform is scaled according to the first amplitude to generate the second waveform to be spliced, and the initial amplitude of the second waveform to be spliced is the same as the first amplitude.

In the second aspect, an embodiment of the present application provides a device for quickly stopping a vibration system, including:

The vibration waveform acquisition module is used to acquire the initial vibration waveform to be processed;

The first voltage signal determining module is configured to determine the equalized voltage signal of the initial vibration waveform by using a preset equalization algorithm;

The second voltage signal determining module is configured to intercept a voltage signal from a preset position to an end point from the equalized voltage signal as an end voltage signal, and the preset position is a position near the end in the equalized voltage signal;

The first waveform determining module is configured to obtain the output voltage threshold value of the target motor, and when the terminal voltage signal is greater than the output voltage threshold value, determine the first waveform to be spliced according to the initial vibration waveform and the preset position;

The second waveform determination module is configured to generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced;

A waveform splicing module, configured to perform splicing processing on the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform;

The target voltage calculation module is configured to calculate the target output voltage by using an equalization algorithm based on the target vibration waveform;

The quick stop module is used to drive the vibration system of the target motor with the target output voltage, so that the vibration system of the target motor quickly stops at the end of the vibration.

In a third aspect, an embodiment of the present application also provides a terminal, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor, and the processor executes the computer program when the computer program is executed. The steps of the method for quickly stopping the vibration system as described above.

In a fourth aspect, an embodiment of the present application also provides a computer-readable storage medium, including computer instructions, which when run on a computer, cause the computer to execute the steps of the method for quickly stopping the vibration system as described above.

Beneficial effect

Implementing the embodiments of this application will have the following beneficial effects:

After adopting the above-mentioned method, device, computer equipment and storage medium for the rapid stop of the vibration system, obtain the initial vibration waveform to be processed; use the preset equalization algorithm to determine the equalized voltage signal of the initial vibration waveform; Set the voltage signal of the position as the end voltage signal; obtain the output voltage threshold of the target motor, when the end voltage signal is greater than the output voltage threshold, determine the first waveform to be spliced according to the initial vibration waveform and the preset position; according to the system resonance frequency of the target motor , The preset position and the first waveform to be spliced generate the second waveform to be spliced; the first waveform to be spliced and the second waveform to be spliced are spliced to generate the target vibration waveform, based on the target vibration waveform, the target output is calculated by the equalization algorithm Voltage; use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration. After optimizing the initial vibration waveform, the design efficiency and generation efficiency of the target vibration waveform are improved, which is conducive to improving the vibration effect of the vibration system of the motor to realize the fast stop function of the motor and improve the tactile effect.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

in:

FIG. 1 is a schematic flowchart of a method for quickly stopping the vibration system in an embodiment;

FIG. 2 is a schematic diagram of the waveform of the target vibration waveform in an embodiment;

FIG. 3 is a schematic flowchart of a method for quickly stopping the vibration system in another embodiment;

4 is a schematic flowchart of the second method for generating a waveform to be spliced in an embodiment;

5 is a schematic flowchart of the second method for generating a waveform to be spliced in another embodiment;

Fig. 6 is a schematic structural diagram of a device for quickly stopping the vibration system in an embodiment;

FIG. 7 is a schematic diagram of the internal structure of a computer device running the above method for quickly stopping the vibration system in an embodiment.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

In order to solve the problem of the unreasonable design of the waveform of the control signal in the traditional technology, the excessive voltage required at the end of the vibration system causes a large after-vibration problem, which leads to the problem of poor tactile effect.

Based on the above problems, in this embodiment, a method for generating vibration signals is specially proposed. The implementation of the method can rely on a computer program, which can run on a computer system based on the von Neumann system.

The method for quickly stopping the vibration system of this embodiment is suitable for linear motors, such as electronic devices that obtain vibration tactile sensations through the vibration of the linear motors. The process of driving the vibration system through a linear motor is: by inputting a driving signal to the linear motor, such as a voltage signal; the linear motor drives the vibration system to vibrate, so as to achieve the vibration feedback when the mobile phone screen is pressed by the linear motor driving the vibration system. Better tactile effect.

The method for quickly stopping the vibration system of this embodiment can optimize the vibration waveform of the linear motor to obtain a reasonable vibration waveform, improve the design efficiency and generation efficiency of the vibration signal, and thereby help improve the vibration effect of the vibration system of the motor. In order to realize the motor's quick stop function, so as to obtain a better tactile effect.

As shown in FIG. 1, the method for quickly stopping the vibration system provided in this embodiment includes:

Step 102: Obtain the initial vibration waveform to be processed.

Among them, the initial vibration waveform refers to the vibration signal that needs to be processed, and specifically refers to the vibration waveform of the vibration system of the motor, including but not limited to displacement waveform, velocity waveform or acceleration waveform, which is used to control the vibration of the motor. And other hardware devices output to the motor, such as voltage signals. Specifically, the initial vibration waveform may be a vibration waveform pre-designed by the designer for the corresponding motor, which is directly obtained through identification data on the motor; or it may be a vibration waveform input by the user according to actual needs and obtained by receiving information input by the user. Understandably, by acquiring the initial vibration waveform to be processed, subsequent optimization processing can be performed based on the initial vibration waveform.

Step 104: Use a preset equalization algorithm to determine the equalized voltage signal of the initial vibration waveform.

Among them, the preset equalization algorithm refers to the preset algorithm used to convert vibration signals into voltage signals. The equalization algorithm is a commonly used algorithm in the design of haptic effects. For example, the vibration waveform is used as the input quantity through the inverse model system. , The process of solving the voltage signal in the equation. The balanced voltage signal refers to the output voltage used to drive the vibration system of the motor to vibrate. Specifically, the initial vibration signal is used as the input, and the balanced voltage signal is calculated through the electromechanical coupling equation of the motor. By obtaining the balanced voltage signal, the vibration effect of the vibration system of the motor can be determined based on the balanced voltage signal, so that the subsequent balanced voltage signal can be used Determine whether the vibration waveform needs to be optimized, so as to improve the design efficiency of the vibration waveform.

Step 106: Intercept a voltage signal from a preset position to an end point from the equalized voltage signal as an end voltage signal, and the preset position is a position close to the end in the equalized voltage signal.

Among them, the preset position refers to the position near the end of the equalized voltage signal, that is, the position of the last part of the equalized voltage signal. The duration corresponding to the end position can be determined according to the duration of the equalized voltage signal, for example, the duration of the equalized voltage signal If greater than 1s (seconds), the last 10ms (milliseconds) of the equalized voltage signal is determined as the position of the last part, that is, the end position corresponds to a duration of 10ms, that is, the duration of the end voltage signal is 10ms; the duration of the equalized voltage signal is less than or If equal to 1s, the last 5ms (milliseconds) of the equalized voltage signal is determined as the position of the last part, that is, the duration corresponding to the end position is 5ms, that is, the duration of the end voltage signal is 5ms.

Further, the equalized voltage signal can be divided into frames, and the last frame or the last few frames of the equalized voltage signal can be determined as the end position. The details can be determined according to actual application requirements or design preferences, and there is no limitation here.

Understandably, since the voltage signal corresponding to the end position of the equalized voltage signal is the main factor that affects the rapid stop of the motor, this embodiment directly intercepts the end signal from the equalized voltage signal, thereby avoiding the equalization of the voltage signal at other positions. Perform redundant operations, thereby greatly improving the processing efficiency of the equalized voltage signal.

Step 108: Obtain the output voltage threshold of the target motor, and when the terminal voltage signal is greater than the output voltage threshold, determine the first waveform to be spliced according to the initial vibration waveform and the preset position.

Among them, the output voltage threshold of the target motor refers to the critical value of the ideal output voltage of the motor that needs to be quickly stopped, for example, the output voltage threshold is 9V. Specifically, by comparing the magnitude of the terminal voltage signal and the output voltage threshold, the vibration signal processing method is determined according to the comparison result, and the processing method may be vibration signal splicing. Understandably, when the terminal voltage signal is greater than the output voltage threshold, that is, the terminal voltage signal is steep. For example, the amplitude of the terminal voltage signal is attenuated from 1 to 0 within 1 ms. In order to avoid a large voltage in the terminal voltage signal, that is, Exceeding the output voltage threshold will cause a large after-vibration in the vibration system of the target motor, causing the target motor to fail to achieve rapid stop. Therefore, the initial vibration waveform needs to be spliced to reduce the after-vibration generated by the vibration system of the target motor.

Wherein, the first waveform to be spliced refers to a waveform obtained by processing based on an initial vibration waveform, and is used as a basic vibration waveform for performing vibration signal splicing processing. Specifically, the duration of the first waveform to be spliced may be determined according to the preset position, and then according to the duration, the initial vibration waveform is intercepted from the initial vibration waveform as the first waveform to be spliced.

Step 110: Generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced.

Wherein, the second waveform to be spliced refers to another basic vibration waveform used as a vibration signal splicing process, that is, a vibration waveform that is spliced with the first waveform to be spliced in step 108. The system resonance frequency of the target motor refers to a frequency that can cause system resonance. Specifically, based on the system resonance frequency, matlab tools can be used to generate a sinusoidal voltage signal at a single frequency point corresponding to the system resonance frequency, and then according to the preset position and the first A phase and amplitude information of the waveform to be spliced is used to intercept the voltage signal from the sinusoidal voltage signal to generate a second signal to be spliced. Understandably, since the second signal to be spliced is generated based on the sinusoidal voltage signal corresponding to the system resonance frequency of the target motor, the second signal to be spliced conforms to the vibration characteristics of the vibration system of the target motor, so that the subsequent signal is based on the second The optimized vibration waveform of the signal to be spliced has a good vibration effect.

Step 112: Perform splicing processing on the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform.

Among them, the target vibration waveform refers to the optimized vibration signal, which is used to drive the target motor to vibrate. Specifically, the second waveform to be spliced is spliced at the end of the first waveform to be spliced, that is, the target vibration waveform is generated. For example, the first waveform to be spliced is represented by "a1", and the second waveform to be spliced is represented by "b1". The target vibration waveform is represented by "a1+b1". Exemplarily, as shown in FIG. 2, the figure is a schematic diagram of the target vibration waveform in an alternative embodiment, where the horizontal axis is the sampling point of the target vibration waveform, the vertical axis is the amplitude of the target vibration waveform, and the actual The waveform of the line part is "a1", and the waveform of the dashed part is "b1".

In a specific implementation, when designing the signal, the designer expects that the target motor can be stopped within a "very short time", but the equalized voltage signal is 100V, and the output voltage threshold is 9V, and the target motor is driven by the target vibration waveform. Vibration can enable the target motor to achieve a fast stop function under 9V output voltage. It is understandable that the target vibration waveform is generated after splicing processing according to the first waveform to be spliced and the second waveform to be spliced, and the second to be spliced Since the waveform conforms to the vibration characteristics of the vibration system of the target motor, it can produce a better vibration effect, and the first waveform to be spliced is determined according to the end position, so the after vibration of the vibration system of the target motor can be reduced, and the motor can be quickly stopped. Provide double guarantee, make the target vibration waveform more reasonable, and improve the tactile effect. Therefore, by performing splicing processing on the first waveform to be spliced and the second waveform to be spliced, the target vibration waveform is generated, which improves the design efficiency and generation efficiency of the target vibration waveform.

Step 114: Based on the target vibration waveform, an equalization algorithm is used to calculate the target output voltage.

Among them, the target output voltage refers to the ideal output voltage that can drive the target motor to stop quickly. Specifically, the target vibration waveform is used as the input and calculated through an equalization algorithm.

Specifically, the target output voltage is used to drive the target motor's vibration system. Since the target output voltage can reduce the after-vibration of the target motor's vibration system, the target motor's vibration system can be quickly stopped at the end of the vibration, thereby helping to improve the motor The vibration effect of the vibration system in order to realize the fast stop function of the motor and improve the tactile effect.

The method for rapid stopping of the vibration system described above is to obtain the initial vibration waveform to be processed; use a preset equalization algorithm to determine the equalized voltage signal of the initial vibration waveform; intercept the voltage signal at the preset position from the equalized voltage signal as the end voltage signal; The output voltage threshold of the target motor. When the terminal voltage signal is greater than the output voltage threshold, the first waveform to be spliced is determined according to the initial vibration waveform and the preset position; the first waveform to be spliced is generated according to the system resonance frequency of the target motor, the preset position and the first waveform to be spliced The second waveform to be spliced; the first waveform to be spliced and the second waveform to be spliced are spliced to generate a target vibration waveform, and based on the target vibration waveform, the target output voltage is calculated using an equalization algorithm; the target output voltage is used to drive the target motor The vibration system of the target motor to make the vibration system of the target motor stop quickly at the end of the vibration. After optimizing the initial vibration waveform, the design efficiency and generation efficiency of the target vibration waveform are improved, which is conducive to improving the vibration effect of the vibration system of the motor to realize the fast stop function of the motor and improve the tactile effect.

As shown in Figure 3, in one embodiment, step 108 further includes:

Step 118: When the terminal voltage signal is less than or equal to the output voltage threshold, determine the equalized voltage signal as the target output voltage;

Step 120: Directly use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.

Specifically, when the terminal voltage signal is less than or equal to the output voltage threshold, it means that the equalized voltage signal in step 104 meets the requirements of the actual output voltage of the target motor. At this time, the equalized voltage signal can be directly determined as the target output voltage. Since the target output voltage can meet the actual output voltage requirements of the target motor, directly using the target output voltage to drive the vibration system of the target motor can make the vibration system of the target motor stop quickly at the end of the vibration, thereby improving the tactile effect.

In one embodiment, step 104 includes:

Specifically, the initial vibration waveform is used as the input, and the characteristics of the motor system corresponding to the initial vibration waveform can be determined by the electromechanical coupling equation of the target motor, and the balanced voltage signal can be calculated.

In one embodiment, the time interval from the preset position to the starting point of the initial vibration waveform is 5-20 times the time interval from the preset position to the end point of the initial vibration waveform.

In one embodiment, step 108 includes:

Specifically, from the initial vibration waveform, the initial vibration waveform from the preset position to the end point is removed, and the obtained vibration waveform is the first waveform to be spliced. Understandably, the first waveform to be spliced is generated when the end voltage signal is steep. Therefore, removing the initial vibration waveform from the preset position to the end point also removes the steeper waveform of the voltage signal. It is beneficial to reduce the after vibration of the target motor vibration system through the first waveform to be spliced.

As shown in Figure 4, in one embodiment, step 110 includes:

Step 122A: Obtain a sinusoidal voltage signal corresponding to the system resonance frequency of the target motor;

Step 122B: using a preset mathematical model of the vibration system corresponding to the sinusoidal voltage signal to calculate the vibration response waveform of the target motor;

Step 122C: Generate the second waveform to be spliced according to the vibration response waveform, the preset position and the first waveform to be spliced.

Among them, the vibration response waveform refers to the vibration waveform generated under the excitation of a sinusoidal voltage signal, which is specifically calculated by a preset mathematical model of the vibration system corresponding to the sinusoidal voltage signal. The mathematical model of the vibration system can be a single degree of freedom. The mathematical model of the vibration system can also be the mathematical model of the multi-degree-of-freedom vibration system, and there is no restriction here.

Specifically, the duration of the second waveform to be spliced can be determined according to the preset position, and then according to the phase and amplitude information of the first waveform to be spliced, a part of the vibration response waveform intercepted from the vibration response waveform is used as the second waveform to be spliced. The second-to-be-spliced waveform can be the vibration response waveform at the middle position, the vibration response waveform at the end position, or the vibration response waveform at the front end position.

It is worth noting that the vibration response waveform intercepted from the middle position of the vibration response waveform can be determined as the second waveform to be spliced. As a preference of this embodiment, the vibration response waveform at the middle position can ensure that the second waveform signal to be spliced is The free attenuation signal conforms to the actual vibration characteristics, and has the functions of limiting the voltage and quickly stopping.

As shown in FIG. 5, in one embodiment, generating the second waveform to be spliced according to the vibration response waveform, the preset position, and the first waveform to be spliced includes:

Step 122C1: Obtain the first amplitude of the first waveform to be spliced at the preset position;

Step 122C2: Perform scaling processing on the vibration response waveform according to the first amplitude to generate the second waveform to be spliced, and the initial amplitude of the second waveform to be spliced is the same as the first amplitude.

Specifically, the first amplitude of the first waveform to be spliced at the preset position is calculated, and the amplitude of the vibration response waveform is scaled based on the interception of the first amplitude to generate the second waveform to be spliced, and the first amplitude is guaranteed. The phase of the start time of the second waveform to be spliced is consistent with the phase of the end time of the first waveform to be spliced, and the amplitude of the start time of the second waveform to be spliced is consistent with the amplitude of the end time of the first waveform to be spliced, that is, the first The amplitude of the second waveform to be spliced is the same as the first amplitude, so that seamless splicing can be realized during subsequent splicing processing, and the rationality of splicing can be ensured.

Based on the same inventive concept, an embodiment of the present application provides an apparatus 600 for quickly stopping a vibration system, as shown in FIG. 6, including: a vibration waveform acquisition module 602 for acquiring an initial vibration waveform to be processed; a first voltage signal determination module 604. A preset equalization algorithm is used to determine the equalized voltage signal of the initial vibration waveform; the second voltage signal determination module 606 is used to intercept a voltage signal at a preset position from the equalized voltage signal as an end voltage signal, The preset position is the end position in the equalized voltage signal; the first waveform determining module 608 is used to obtain the output voltage threshold value of the target motor, and when the end voltage signal is greater than the output voltage threshold value, according to the The initial vibration waveform and the preset position determine the first waveform to be spliced; the second waveform determining module 610 is configured to generate a first waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced Two waveforms to be spliced; the waveform splicing module 612 is used to splice the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform; the target voltage calculation module 614 is used to generate a target vibration waveform based on the target vibration waveform. The equalization algorithm calculates the target output voltage; the quick stop module 616 is configured to use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.

Specifically, the device 600 for quickly stopping the vibration system of this embodiment uses the vibration waveform acquisition module 602 to acquire the initial vibration waveform to be processed; the first voltage signal determination module 604 is configured to use a preset equalization algorithm to determine the The equalized voltage signal of the initial vibration waveform; the second voltage signal determining module 606 is used to intercept the voltage signal at a preset position from the equalized voltage signal as the end voltage signal, and the preset position is the one in the equalized voltage signal The end position; the first waveform determination module 608 is used to obtain the output voltage threshold of the target motor. When the end voltage signal is greater than the output voltage threshold, determine the first standby according to the initial vibration waveform and the preset position. Splicing waveform; a second waveform determining module 610, configured to generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced; a waveform splicing module 612, used to The first waveform to be spliced and the second waveform to be spliced are spliced to generate a target vibration waveform; a target voltage calculation module 614 is configured to calculate the target output voltage by using an equalization algorithm based on the target vibration waveform;

The quick stop module 616 is configured to use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration. . After optimizing the initial vibration waveform, the design efficiency and generation efficiency of the target vibration waveform are improved, which in turn is beneficial to improve the vibration effect of the vibration system of the motor to realize the rapid stop function of the motor.

It should be noted that the realization of the device for rapid stop of the vibration system in this embodiment is consistent with the realization idea of the method for rapid stop of the vibration system.

After adopting the above-mentioned method, device, computer equipment and storage medium of the vibration system to quickly stop, obtain the initial vibration waveform to be processed; use the preset equalization algorithm to determine the equalized voltage signal of the initial vibration waveform; Set the voltage signal of the position as the terminal voltage signal; obtain the output voltage threshold of the target motor, when the terminal voltage signal is greater than the output voltage threshold, determine the first waveform to be spliced according to the initial vibration waveform and the preset position; according to the system resonance frequency of the target motor , The preset position and the first waveform to be spliced generate the second waveform to be spliced; the first waveform to be spliced and the second waveform to be spliced are spliced to generate the target vibration waveform. After the initial vibration waveform is optimized, the target is improved The design efficiency and generation efficiency of the vibration waveform, in turn, help to improve the vibration effect of the vibration system of the motor to achieve the motor's quick stop function.

Fig. 7 shows an internal structure diagram of a computer device in an embodiment. The computer device may specifically be a server or a terminal. As shown in Figure 7, the computer device includes a processor, a memory, and a network interface connected through a system bus. Among them, the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program. When the computer program is executed by the processor, the processor can realize a method for quickly stopping the vibration system. A computer program may also be stored in the internal memory, and when the computer program is executed by the processor, the processor can execute a method for quickly stopping the vibration system. Those skilled in the art can understand that the structure shown in FIG. 7 is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may Including more or fewer components than shown in FIG. 7, or combining some components, or having a different component arrangement.

In one embodiment, the method for quickly stopping the vibration system provided by the present application may be implemented in the form of a computer program, and the computer program may run on the computer device as shown in FIG. 7. The memory of the computer equipment can store various program modules that make up the device for quickly stopping the vibration system. For example, vibration waveform acquisition module 602, first voltage signal determination module 604, second voltage signal determination module 606, first waveform determination module 608, second waveform determination module 610, waveform splicing module 612, target voltage calculation module 614, fast Stop the module 616.

In one embodiment, a computer device is provided, including a memory and a processor, the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the following steps: The processed initial vibration waveform; the preset equalization algorithm is used to determine the equalized voltage signal of the initial vibration waveform; the voltage signal from the preset position to the end point is intercepted from the equalized voltage signal as the end voltage signal, the preset The position is the position near the end in the equalized voltage signal; the output voltage threshold value of the target motor is obtained, and when the end voltage signal is greater than the output voltage threshold value, the first vibration waveform is determined according to the initial vibration waveform and the preset position. A waveform to be spliced; generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced; perform the first waveform to be spliced and the second waveform to be spliced The splicing process generates the target vibration waveform; based on the target vibration waveform, the target output voltage is calculated by the equalization algorithm; the target output voltage is used to drive the vibration system of the target motor so that the vibration system of the target motor stops quickly at the end of the vibration.

A person of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing relevant hardware through a computer program. The program can be stored in a non-volatile computer readable storage medium. Here, when the program is executed, it may include the procedures of the above-mentioned method embodiments. Wherein, any reference to memory, storage, database, or other media used in the embodiments provided in this application may include non-volatile and/or volatile memory. Non-volatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not a limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Channel (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

The above-disclosed are only preferred embodiments of this application, and of course the scope of rights of this application cannot be limited by this. Therefore, equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

A method for quickly stopping a vibration system is characterized in that it comprises the following steps:

Step 102: Obtain an initial vibration waveform to be processed;

Step 104: Use a preset equalization algorithm to determine an equalized voltage signal of the initial vibration waveform;

Step 106, intercept a voltage signal from a preset position to an end point from the equalized voltage signal as an end voltage signal, where the preset position is a position near the end in the equalized voltage signal;

Step 108: Obtain an output voltage threshold value of the target motor, and when the terminal voltage signal is greater than the output voltage threshold value, determine a first waveform to be spliced according to the initial vibration waveform and the preset position;

Step 110: Generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced;

Step 112: Perform splicing processing on the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform;

Step 114: Based on the target vibration waveform, an equalization algorithm is used to calculate the target output voltage;

Step 116: Use the target output voltage to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.
The method for quickly stopping a vibration system according to claim 1, wherein step 108 further comprises:

When the terminal voltage signal is less than or equal to the output voltage threshold, determining the equalized voltage signal as the target output voltage;

The target output voltage is directly used to drive the vibration system of the target motor, so that the vibration system of the target motor quickly stops at the end of the vibration.
The method for quickly stopping a vibration system according to claim 1, wherein step 104 comprises:

According to the initial vibration waveform and the corresponding characteristics of the motor system, the equalized voltage signal is calculated by an equalizing algorithm.
The method for quickly stopping a vibration system according to claim 1, wherein the time interval from the preset position to the starting point of the initial vibration waveform is from the preset position to the end point of the initial vibration waveform 5-20 times the time interval.
The method for quickly stopping a vibration system according to claim 1, wherein step 108 comprises:

From the initial vibration waveform, delete the initial vibration waveform from the preset position to the end point to obtain the first waveform to be spliced.
The method for quickly stopping a vibration system according to claim 1, wherein step 110 comprises:

Acquiring a sinusoidal voltage signal corresponding to the system resonance frequency of the target motor;

Using a preset mathematical model of the vibration system corresponding to the sinusoidal voltage signal to calculate the vibration response waveform of the target motor;

The second waveform to be spliced is generated according to the vibration response waveform, the preset position, and the first waveform to be spliced.
The method for quickly stopping a vibration system according to claim 6, wherein step 110 comprises:

Acquiring the first amplitude of the first waveform to be spliced at the preset position;

The vibration response waveform is scaled according to the first amplitude to generate the second waveform to be spliced, and the initial amplitude of the second waveform to be spliced is the same as the first amplitude.
A vibration device capable of quickly stopping a vibration system, which is characterized in that it comprises:

The vibration waveform acquisition module is used to acquire the initial vibration waveform to be processed;

The first voltage signal determining module is configured to determine the equalized voltage signal of the initial vibration waveform by using a preset equalization algorithm;

The second voltage signal determining module is configured to intercept a voltage signal from a preset position to an end point from the equalized voltage signal as an end voltage signal, and the preset position is a position near the end in the equalized voltage signal;

The first waveform determining module is configured to obtain the output voltage threshold value of the target motor, and when the terminal voltage signal is greater than the output voltage threshold value, determine the first waveform to be spliced according to the initial vibration waveform and the preset position;

The second waveform determination module is configured to generate a second waveform to be spliced according to the system resonance frequency of the target motor, the preset position, and the first waveform to be spliced;

A waveform splicing module, configured to perform splicing processing on the first waveform to be spliced and the second waveform to be spliced to generate a target vibration waveform;

The target voltage calculation module is configured to calculate the target output voltage by using an equalization algorithm based on the target vibration waveform;

The quick stop module is used to drive the vibration system of the target motor with the target output voltage, so that the vibration system of the target motor quickly stops at the end of the vibration.
A computer device, characterized in that it includes a memory, a processor, and a computer program stored on the memory and running on the processor, wherein the processor implements the rights when the computer program is executed. The steps of the method for quickly stopping the vibration system described in any one of 1 to 7 are required.
A computer-readable storage medium comprising computer instructions, when the computer instructions run on a computer, cause the computer to execute the steps of the method for quickly stopping a vibration system according to any one of claims 1 to 7.