WO2022077611A1 - 一种振动驱动方法和系统、振动设备以及存储介质 - Google Patents

一种振动驱动方法和系统、振动设备以及存储介质 Download PDF

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Publication number
WO2022077611A1
WO2022077611A1 PCT/CN2020/126025 CN2020126025W WO2022077611A1 WO 2022077611 A1 WO2022077611 A1 WO 2022077611A1 CN 2020126025 W CN2020126025 W CN 2020126025W WO 2022077611 A1 WO2022077611 A1 WO 2022077611A1
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Prior art keywords
excitation signal
synthesized
excitation
vibration
signal
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French (fr)
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郑亚军
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AAC Technologies Holdings Shenzhen Co Ltd
AAC Microtech Changzhou Co Ltd
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AAC Acoustic Technologies Shenzhen Co Ltd
AAC Microtech Changzhou Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Definitions

  • the present invention relates to the technical field of vibration driving, and in particular, to a vibration driving method and system, a vibration device and a storage medium.
  • the traditional single vibrator, the single vibration effect, the single vibration effect and the lack of space sense, can no longer meet the higher user experience requirements.
  • a vibration driving method applied to a tactile sensing device, the tactile sensing device comprising at least two vibration components, and the at least two vibration components are used for vibration;
  • the vibration driving method includes: acquiring an original excitation signal, copying the The original excitation signal generates at least two track excitation signals; different signal processing methods are used to respectively perform signal processing on the at least two track excitation signals to obtain at least two to-be-synthesized excitation signals; the at least two to-be-synthesized excitation signals are processed
  • a target excitation signal is synthesized, and the at least two vibration components are driven to vibrate according to the target excitation signal.
  • the step of performing signal processing on the at least two track excitation signals using different signal processing methods includes: acquiring a gradient curve, multiplying at least one first excitation signal among the at least two track excitation signals Obtain at least one first excitation signal to be synthesized by using the gradient curve.
  • the step of performing signal processing on the at least two track excitation signals by using different signal processing methods includes: generating an inversion curve according to the gradual change curve, and processing at least one of the at least two track excitation signals A second excitation signal is multiplied by the inversion curve to obtain at least one second excitation signal to be synthesized.
  • the step of generating an inversion curve according to the gradient curve includes: inverting the gradient curve to obtain the inversion curve.
  • the step includes: acquiring a delay rate, and performing the at least one second excitation signal on the at least one second excitation signal according to the delay rate.
  • the excitation signal to be synthesized is delayed to obtain at least one third excitation signal to be synthesized.
  • the step of delaying the second excitation signal to be synthesized according to the delay rate includes: obtaining a delay duration according to the delay rate and the original duration of the original excitation signal;
  • the at least one third excitation signal to be synthesized is acquired by delaying the excitation signal to be synthesized by the delay period.
  • the step of synthesizing the at least two excitation signals to be synthesized into a target excitation signal includes: synthesizing the at least one first excitation signal to be synthesized and the at least one third excitation signal to be synthesized into the target excitation signal target stimulus.
  • a vibration drive system comprising: an acquisition module for acquiring an original excitation signal, copying the original excitation signal to generate at least two track excitation signals; a processing module for using different signal processing methods to respectively The track excitation signal is subjected to signal processing to obtain at least two excitation signals to be synthesized; a synthesis module is used to synthesize the at least two excitation signals to be synthesized into a target excitation signal, and drive the at least two vibrations according to the target excitation signal Components vibrate.
  • a vibration device includes a processor and a memory, the processor is coupled to the memory, the memory stores a computer program, and the processor executes the computer program to implement the method as described above.
  • a storage medium storing a computer program that can be executed by a processor to implement the method as described above.
  • Generate at least two orbital excitation signals according to the original excitation signals use different signal processing methods to process the at least two orbital excitation signals to generate at least two to-be-synthesized excitation signals, and synthesize the at least two to-be-synthesized excitation signals into a target excitation signal, so that the target
  • the excitation signal is used to excite different vibrators to vibrate respectively, so that different vibrators have different vibration modes.
  • the vibration difference between different vibration components is realized, so as to provide users with different vibration feedback to meet the needs of users. A variety of needs, effectively improving the user experience.
  • FIG. 1 is a schematic structural diagram of an embodiment of a tactile sensing device provided by the present invention.
  • FIG. 2 is a schematic flowchart of a first embodiment of a vibration driving method provided by the present invention
  • Fig. 3 is the waveform schematic diagram of the original excitation signal provided by the present invention.
  • FIG. 4 is a schematic flowchart of a second embodiment of the vibration driving method provided by the present invention.
  • FIG. 5 is a schematic diagram of a first embodiment of a gradient curve and a first excitation signal to be synthesized provided by the present invention
  • FIG. 6 is a schematic diagram of a second embodiment of a gradient curve and a first excitation signal to be synthesized provided by the present invention
  • FIG. 7 is a schematic diagram of a first embodiment of an inversion curve and a third excitation signal to be synthesized provided by the present invention.
  • FIG. 8 is a schematic diagram of a second embodiment of an inversion curve and a third excitation signal to be synthesized provided by the present invention.
  • FIG. 9 is a schematic structural diagram of an embodiment of a vibration drive system provided by the present invention.
  • FIG. 10 is a schematic structural diagram of the first embodiment of the vibration device provided by the present invention.
  • FIG. 11 is a schematic structural diagram of an embodiment of a storage medium provided by the present invention.
  • FIG. 1 is a schematic structural diagram of an embodiment of a tactile sensing device provided by the present invention.
  • the haptic sensing device 10 includes two vibration components 11 and 12 .
  • the vibrating assembly 11 and the vibrating assembly 12 can vibrate separately and independently.
  • the haptic sensing device 10 may include more vibration components, which is not limited herein.
  • the vibration components 11 and 12 can be designed for the left and right hands of the user respectively, and the vibration components 11 and 12 can use different vibration modes (including different vibration amplitudes, vibration frequencies, etc.) to achieve the difference in the sense of touch between the left and right hands. .
  • the vibration components 11 and 12 can achieve richer, more realistic and more entertaining haptic effects.
  • the sense of space for haptic effects can be modeled, greatly enhancing the user experience.
  • the spatial sense of the haptic effect is a sense of distance similar to sound. The distance of the sound source or the source of the shock changes from far to near and from near to far, which brings about changes in the user's subjective feeling.
  • FIG. 2 is a schematic flowchart of a first embodiment of a vibration driving method provided by the present invention.
  • the vibration driving method provided by the present invention comprises the following steps:
  • S201 Acquire an original excitation signal, and copy the original excitation signal to generate at least two track excitation signals.
  • the original excitation signal can be generated according to the trigger signal input by the user. For example, when the user is in a game state, the current operation signal of the user is obtained, which is a trigger signal, and the original excitation signal corresponding to the trigger signal is obtained. In other implementation scenarios, the original excitation signal provided by the user may also be obtained. Please refer to FIG. 3 , which is a schematic diagram of the waveform of the original excitation signal provided by the present invention.
  • the number of vibration components of the haptic sensing device 10 is obtained.
  • the number of orbital excitation signals generated is the same as the number of vibration components, so that each vibration component can be matched to a different vibration mode.
  • the obtained original excitation signal is copied to generate at least two track excitation signals.
  • parameters such as frequency, amplitude, start and end time of any two track excitation signals are exactly the same.
  • S202 Use different signal processing methods to perform signal processing on the at least two track excitation signals, respectively, to obtain at least two excitation signals to be synthesized.
  • different signal processing methods are used to perform signal processing operations on at least two track excitation signals to obtain at least two excitation signals to be synthesized. For example, at least two track excitation signals may be multiplied by different weighting curves respectively; different time delay lengths may also be added to at least two track excitation signals, and so on.
  • the gradual change mode includes two modes: gradual increase and gradual weakening.
  • the crescendo methods include but are not limited to linear crescendo, exponential crescendo, triangular crescendo, logarithmic crescendo, etc; Way.
  • the value of the weighting curve is monotonic in [0,1].
  • S203 Synthesize at least two excitation signals to be synthesized into a target excitation signal, and drive at least two vibration components to vibrate according to the target excitation signal.
  • At least two excitation signals to be synthesized are synthesized into a target excitation signal.
  • the target excitation signal can be synthesized by methods such as direct analog frequency synthesis, indirect frequency synthesis, and direct digital frequency synthesis, or the target excitation signal can be synthesized through a signal
  • the carrier method synthesizes the target excitation signal.
  • the target excitation signal is sent to the tactile sensing device, and the tactile sensing device 10 shown in FIG. 1 receives the target excitation signal, wherein the number of the excitation signals to be synthesized for synthesizing the target excitation signal is the same as the number of vibration components of the tactile sensing device 10 , in this implementation scenario, the number is 2.
  • the tactile sensing device 10 parses the target excitation signal, obtains two playback track signals, and sends the two playback track signals to the vibration component 11 and the vibration component 12 respectively, and drives the vibration components 11 and 12 to vibrate.
  • the two playback track signals correspond to the two excitation signals to be synthesized, so that the vibration modes of the vibration components 11 and 12 are different, and the haptic sensing device 10 can give the user different haptic feedback.
  • different signal processing methods can be designed according to vibration requirements to achieve richer, more realistic and more entertaining haptic effects.
  • At least two track excitation signals are generated by copying the original excitation signal, and different signal processing methods are used to respectively perform signal processing on the at least two track excitation signals to obtain at least two to-be-synthesized excitation signals, Synthesize at least two excitation signals to be synthesized into a target excitation signal, so that the target excitation signal is used to excite different vibrators to vibrate respectively, so that different vibrators have different vibration modes, and realize between different vibration components according to an original excitation signal.
  • the difference of vibration so as to provide users with different vibration feedback, effectively improve the user experience.
  • FIG. 4 is a schematic flowchart of a second embodiment of the vibration driving method provided by the present invention.
  • the vibration driving method provided by the present invention comprises the following steps:
  • S301 Acquire an original excitation signal, and copy the original excitation signal to generate at least two track excitation signals.
  • step S301 is basically the same as step S201 in the first embodiment of the vibration driving method provided by the present invention, and details are not repeated here.
  • S302 Acquire a gradient curve, multiply at least one first excitation signal among the at least two track excitation signals by the gradient curve, and acquire at least one first excitation signal to be synthesized.
  • At least one of the at least two track excitation signals is selected and multiplied by the gradient curve to obtain at least one first excitation signal to be synthesized.
  • the gradient curve can be obtained according to the trigger signal input by the user. For example, when the user is in the game state, the current operation signal of the user is obtained, the operation signal is the trigger signal, and the gradient curve corresponding to the trigger signal is obtained. The value of the gradient curve is monotonic at [0,1].
  • the gradient curve obtained according to the trigger signal is a linear gradient curve.
  • the gradient obtained according to the trigger signal may also be a gradient curve with a linear weakening.
  • FIG. 5 is a schematic diagram of a first embodiment of a gradient curve and a first excitation signal to be synthesized provided by the present invention.
  • FIG. 6 is a schematic diagram of a second embodiment of the gradient curve and the first excitation signal to be synthesized provided by the present invention.
  • S303 Generate an inversion curve according to the gradient curve, multiply at least one second excitation signal in the at least two track excitation signals by the inversion curve, and obtain at least one second excitation signal to be synthesized.
  • the inversion curve is generated according to the gradient curve, for example, the inversion curve is obtained by inverting the gradient curve, or the inversion curve can be obtained by processing such as enlargement, contraction, and delay of the gradient curve.
  • the gradient curve is a linearly increasing curve
  • the inversion curve is a linearly decreasing curve
  • the inversion curve is a linearly increasing curve.
  • the gradient curve C [1,0.8,0.6,0.4,0.2,0]
  • S304 Obtain a delay rate, delay at least one second excitation signal to be synthesized according to the delay rate, and obtain at least one third excitation signal to be synthesized.
  • the current application environment is acquired, and according to the application environment, at least one second excitation signal is delayed to acquire at least one third excitation signal to be synthesized, which is used to meet different spatial perception requirements.
  • the delay rate r represents the degree of spatial perception. The larger r is, the stronger the spatial perception is, and the smaller the r is, the weaker the spatial perception.
  • r is a real number of [0,1], and the value of r is not greater than 1 to prevent loss of vibration sensation.
  • the second excitation signal is not delayed, and the third excitation signal is the second excitation signal.
  • FIG. 7 is a schematic diagram of the first embodiment of the inversion curve and the third excitation signal to be synthesized provided by the present invention
  • FIG. 8 is the inversion curve and the third excitation signal to be synthesized provided by the present invention. Schematic diagram of the second embodiment of the signal.
  • S305 Synthesize at least one first excitation signal to be synthesized and at least one third excitation signal to be synthesized into a target excitation signal, and drive at least two vibration components to vibrate according to the target excitation signal.
  • At least one first excitation signal to be synthesized and at least one third excitation signal to be synthesized are combined.
  • the signal synthesis method is basically the same as that in step S103 in the first embodiment of the vibration driving method provided by the present invention, and details are not repeated here.
  • a corresponding excitation signal is added for at least one excitation signal to be synthesized (including the first excitation signal to be synthesized, the second excitation signal to be synthesized, and the third excitation signal to be synthesized). so that the target excitation signal also includes the identifier, so that after parsing the target excitation signal, the tactile sensing device can obtain the playback track signal corresponding to each vibration component, thereby driving each vibration component to vibrate.
  • the tactile sensing device 10 drives the driving component 11 to vibrate according to the waveform shown in FIG. 5 according to the target driving signal, and drives the driving component 12 to vibrate according to the waveform shown in FIG. 7 .
  • the first identification corresponding to the vibration component 11 is added to the first excitation signal to be synthesized shown in FIG. 6
  • the second identification corresponding to the vibration assembly 12 is added to the third excitation signal to be synthesized shown in FIG. 8 . Therefore, after receiving the target excitation signal, the haptic sensing device 10 drives the driving component 11 to vibrate according to the waveform shown in FIG. 6 and drives the driving component 12 to vibrate according to the waveform shown in FIG. 8 according to the target driving signal.
  • At least one first excitation signal to be synthesized is obtained by multiplying at least one first excitation signal by a gradient curve, an inversion curve is generated according to the gradient curve, and at least one second excitation signal is multiplied by Inversion curve, obtain at least one second excitation signal to be synthesized, delay at least one second excitation signal to be synthesized according to the delay rate, obtain at least one third excitation signal to be synthesized, and combine at least one first excitation signal to be synthesized and at least one excitation signal to be synthesized A third excitation signal to be synthesized is synthesized into a target excitation signal, and the vibration difference between different vibration components is realized according to an original excitation signal, so as to provide users with different vibration feedbacks, meet various needs of users, and effectively improve user experience.
  • FIG. 9 is a schematic structural diagram of an embodiment of the vibration driving system provided by the present invention.
  • the vibration driving system 20 includes: an acquisition module 21 , a processing module 22 , and a synthesis module 23 .
  • the acquisition module 21 is used for acquiring the original excitation signal, and copying the original excitation signal to generate at least two track excitation signals;
  • the processing module 22 is used for respectively performing signal processing on the at least two rail excitation signals using different signal processing methods, and obtaining at least two track excitation signals.
  • the synthesis module 23 is configured to synthesize at least two excitation signals to be synthesized into a target excitation signal, and drive at least two vibration components to vibrate according to the target excitation signal.
  • the processing module 22 is further configured to acquire a gradient curve, and multiply at least one first excitation signal among the at least two track excitation signals by the gradient curve to acquire at least one first excitation signal to be synthesized.
  • the processing module 22 is further configured to generate an inversion curve according to the gradient curve, and multiply at least one second excitation signal in the at least two track excitation signals by the inversion curve to obtain at least one second excitation signal to be synthesized.
  • the processing module 22 is further configured to invert the gradient curve to obtain an inversion curve.
  • the processing module 22 is further configured to obtain a delay rate, delay at least one second excitation signal to be synthesized according to the delay rate, and obtain at least one third excitation signal to be synthesized.
  • the processing module 22 is further configured to obtain the delay duration according to the delay rate and the original duration of the original excitation signal, and delay the at least one second excitation signal to be synthesized by the delay duration to obtain at least one third excitation signal to be synthesized.
  • the synthesis module 23 is further configured to synthesize at least one first excitation signal to be synthesized and at least one third excitation signal to be synthesized into a target excitation signal.
  • the vibration drive system generates at least two track excitation signals according to the original excitation signals, uses different signal processing methods to process the at least two track excitation signals to generate at least two to-be-synthesized excitation signals, and combines the at least two Each excitation signal to be synthesized is synthesized into a target excitation signal, so that the target excitation signal is used to excite different vibrators to vibrate respectively, so that different vibrators have different vibration modes, and the vibration difference between different vibration components can be realized according to an original excitation signal.
  • the target excitation signal is used to excite different vibrators to vibrate respectively, so that different vibrators have different vibration modes, and the vibration difference between different vibration components can be realized according to an original excitation signal.
  • FIG. 10 is a schematic structural diagram of the first embodiment of the vibration device provided by the present invention.
  • the vibration device 30 includes a processor 31 and a memory 32 .
  • the processor 31 is coupled to the memory 32 .
  • a computer program is stored in the memory 32, and the processor 31 executes the computer program during operation to implement the methods shown in FIG. 2 and FIG. 4 .
  • the detailed method can refer to the above, and will not be repeated here.
  • the vibrating device generates at least two orbital excitation signals according to the original excitation signal, and uses different signal processing methods to process the at least two orbital excitation signals to generate at least two to-be-synthesized excitation signals.
  • the excitation signal to be synthesized is synthesized into the target excitation signal, so that the target excitation signal is used to excite different vibrators to vibrate respectively, so that different vibrators have different vibration modes, and the vibration difference between different vibration components is realized according to an original excitation signal. , so as to provide users with different vibration feedback, meet the various needs of users, and effectively improve the user experience.
  • FIG. 11 is a schematic structural diagram of an embodiment of a storage medium provided by the present invention.
  • the computer-readable storage medium 40 stores at least one computer program 41, and the computer program 41 is used to be executed by the processor to implement the methods shown in FIG. 2 and FIG.
  • the computer-readable storage medium 40 may be a storage chip in the terminal, a hard disk, or other readable and writable storage tools such as a mobile hard disk, a USB flash drive, an optical disk, or the like, or a server or the like.
  • the computer program stored in the storage medium in this embodiment can be used by the vibration device to generate at least two track excitation signals according to the original excitation signal, and use different signal processing methods to process the at least two track excitation signals to generate at least two track excitation signals.
  • an original excitation signal Realize the vibration difference between different vibration components, so as to provide users with different vibration feedback, meet the various needs of users, and effectively improve the user experience.
  • Nonvolatile 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.
  • RAM is available in various forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Road (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM) and so on.
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDRSDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synchronous chain Road (Synchlink) DRAM
  • SLDRAM synchronous chain Road (Synchlink) DRAM
  • Rambus direct RAM
  • DRAM direct memory bus dynamic RAM
  • RDRAM memory bus dynamic RAM

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Abstract

一种振动驱动方法，应用于触觉感知设备（10），所述触觉感知设备（10）包括至少两个振动组件（11,12），所述至少两个振动组件（11,12）用于振动；所述振动驱动方法包括：获取原始激励信号，复制所述原始激励信号生成至少两个轨道激励信号（S201）；采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号（S202）；将所述至少两个待合成激励信号合成为目标激励信号，根据所述目标激励信号驱动所述至少两个振动组件振动（S203）。一种振动驱动系统和终端以及存储介质，其可以给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。

Description

一种振动驱动方法和系统、振动设备以及存储介质 技术领域
本发明涉及振动驱动技术领域，尤其涉及一种振动驱动方法和系统、振动设备以及存储介质。
 背景技术
在科技日益发达的今天，消费类电子产品不断进入人们的生活。人们对各种各样的电子产品期望也是越来越高，不断追求更好的用户体验。其中，娱乐类电子产品，例如游戏手柄，手持式游戏机，游戏方向盘等作为提高人们生活乐趣的产品，随振动器的快速发展，对振动效果（触觉效果）的要求也是越来越高。
 技术问题
传统的单振动器，单振动效果的振动单一性、无空间感上，已经不能满足更高的用户体验需求。
 技术解决方案
基于此，有必要针对上述问题，提出了一种振动驱动方法和系统、振动设备以及存储介质。
一种振动驱动方法，应用于触觉感知设备，所述触觉感知设备包括至少两个振动组件，所述至少两个振动组件用于振动；所述振动驱动方法包括：获取原始激励信号，复制所述原始激励信号生成至少两个轨道激励信号；采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号；将所述至少两个待合成激励信号合成为目标激励信号，根据所述目标激励信号驱动所述至少两个振动组件振动。
其中，所述采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理的步骤，包括：获取渐变曲线，将所述至少两个轨道激励信号中的至少一个第一激励信号乘以所述渐变曲线，获取至少一个第一待合成激励信号。
其中，所述采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理的步骤，包括：根据所述渐变曲线生成逆变曲线，将所述至少两个轨道激励信号中的至少一个第二激励信号乘以所述逆变曲线，获取至少一个第二待合成激励信号。
其中，所述根据所述渐变曲线生成逆变曲线的步骤，包括：对所述渐变曲线进行反转得到所述逆变曲线。
其中，所述将所述至少两个轨道激励信号中的至少一个第二激励信号乘以所述逆变曲线的步骤之后，包括：获取延迟率，根据所述延迟率对所述至少一个第二待合成激励信号进行延迟，获取至少一个第三待合成激励信号。
其中，所述根据所述延迟率对所述第二待合成激励信号进行延迟的步骤，包括：根据所述延迟率和所述原始激励信号的原始时长获取延迟时长，将所述至少一个第二待合成激励信号延迟所述延迟时长获取所述至少一个第三待合成激励信号。
其中，所述将所述至少两个待合成激励信号合成为目标激励信号的步骤，包括：将所述至少一个第一待合成激励信号和所述至少一个第三待合成激励信号合成为所述目标激励信号。
一种振动驱动系统，包括：获取模块，用于获取原始激励信号，复制所述原始激励信号生成至少两个轨道激励信号；处理模块，用于采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号；合成模块，用于将所述至少两个待合成激励信号合成为目标激励信号，根据所述目标激励信号驱动所述至少两个振动组件振动。
一种振动设备，包括：处理器和存储器，所述处理器耦接所述存储器，所述存储器中存储有计算机程序，所述处理器执行所述计算机程序以实现如上所述的方法。
一种存储介质，存储有计算机程序，所述计算机程序能够被处理器执行以实现如上所述的方法。
 有益效果
采用本发明实施例，具有如下有益效果：
根据原始激励信号生成至少两个轨道激励信号，采用不同的信号处理方法处理至少两个轨道激励信号生成至少两个待合成激励信号，将至少两个待合成激励信号合成为目标激励信号，从而目标激励信号用于分别激励不同的振动器振动，使得不同的振动器具有不同的振动模式，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。
 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
其中：
图1是本发明提供的触觉感知设备的一实施例的结构示意图；
图2是本发明提供的振动驱动方法的第一实施例的流程示意图；
图3是本发明提供的原始激励信号的波形示意图；
图4是本发明提供的振动驱动方法的第二实施例的流程示意图；
图5是本发明提供的渐变曲线和第一待合成激励信号的第一实施例的示意图；
图6是本发明提供的渐变曲线和第一待合成激励信号的第二实施例的示意图；
图7是本发明提供的逆变曲线和第三待合成激励信号的第一实施例的示意图；
图8是本发明提供的逆变曲线和第三待合成激励信号的第二实施例的示意图；
图9是本发明提供的振动驱动系统的一实施例的结构示意图；
图10是本发明提供的振动设备的第一实施例的结构示意图；
图11是本发明提供的存储介质的一实施例的结构示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，图1是本发明提供的触觉感知设备的一实施例的结构示意图。触觉感知设备10包括两个振动组件11和12。振动组件11和振动组件12可以分开各自独立振动。在其他实施场景中，触觉感知设备10可以包括更多个振动组件，在此不做限定。
在本实施场景中，振动组件11和12可以分别针对用户的左右手设计，振动组件11和12可以通过不同的振动的模式（包括不同的振动幅度、振动频率等）以实现左右手的触觉的差异性。通过特殊的效果设计，振动组件11和12可以实现更丰富、更真实、更具娱乐性的触觉效果。例如，可以模型触觉效果的空间感，大大提升用户体验。触觉效果的空间感是一种类似于声音的距离感，声源或震源由远及近、由近及远的距离变化，带来用户主观感觉的变化。
请参阅图2，图2是本发明提供的振动驱动方法的第一实施例的流程示意图。本发明提供的振动驱动方法包括如下步骤：
S201：获取原始激励信号，复制原始激励信号生成至少两个轨道激励信号。
在一个具体的实施场景中，原始激励信号可以根据用户输入的触发信号生成，例如用户处于游戏状态，获取用户当前的操作信号，该操作信号为触发信号，获取触发信号对应的原始激励信号。在其他实施场景中，还可以获取用户提供的原始激励信号。请结合参阅图3，图3是本发明提供的原始激励信号的波形示意图。
在本实施场景中，获取触觉感知设备10的振动组件的数量。生成的轨道激励信号的数量与振动组件的数量相同，使得每个振动组件都可以匹配不同的振动模式。
对获取的原始激励信号进行复制，生成至少两个轨道激励信号，此时任意两个轨道激励信号的频率、振幅、起止时间等参数完全相同。
S202：采用不同的信号处理方法分别对至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号。
在一个具体的实施场景中，对至少两个轨道激励信号采用不同的信号处理方法进行信号处理的操作，获取至少两个待合成激励信号。例如，可以将至少两个轨道激励信号分别乘以不同的加权曲线；还可以将至少两个轨道激励信号添加不同的时延时长等等。
具体地说，若对至少两个轨道激励信号乘以不同的加权曲线进行渐变加权，渐变方式包括：渐强、渐弱两种方式。渐强方式包括但不限于线性渐强、指数渐强、三角渐强、对数渐强等方式；渐弱方式包括但不限于线性渐弱、指数渐弱、三角渐弱、对数渐弱等方式。在本实施场景中，加权曲线的值是在[0,1]单调的。
S203：将至少两个待合成激励信号合成为目标激励信号，根据目标激励信号驱动至少两个振动组件振动。
在一个具体的实施场景中，将至少两个待合成励信号合成为目标激励信号，例如，可通过直接模拟频率合成、间接频率合成和直接数字频率合成等方法合成目标激励信号，或者可以通过信号载波的方法合成目标激励信号。
将目标激励信号发送给触觉感知设备，如图1所示的触觉感知设备10接收该目标激励信号，其中合成该目标激励信号的待合成激励信号的数量与触觉感知设备10的振动组件的数量相同，在本实施场景中，数量为2。触觉感知设备10接收该目标激励信号后，解析该目标激励信号，获取2个播放轨道信号，将这2个播放轨道信号分别发送至振动组件11和振动组件12，驱动振动组件11和12振动。在本实施场景中，2个播放轨道信号与2个待合成激励信号对应，从而使得振动组件11和12的振动模式不同，触觉感知设备10可以给予用户不同的触觉反馈。进一步地，可以根据振动需求设计不同的信号处理方法，实现更丰富、更真实、更具娱乐性的触觉效果。
通过上述描述可知，在本实施例中通过复制原始激励信号生成至少两个轨道激励信号，采用不同的信号处理方法分别对至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号，将至少两个待合成激励信号合成为目标激励信号，从而目标激励信号用于分别激励不同的振动器振动，使得不同的振动器具有不同的振动模式，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，有效提升用户体验。
请参阅图4，图4是本发明提供的振动驱动方法的第二实施例的流程示意图。本发明提供的振动驱动方法包括如下步骤：
S301：获取原始激励信号，复制原始激励信号生成至少两个轨道激励信号。
在一个具体的实施场景中，步骤S301与本发明提供的振动驱动方法的第一实施例中的步骤S201基本一致，此处不再进行赘述。
S302：获取渐变曲线，将至少两个轨道激励信号中的至少一个第一激励信号乘以渐变曲线，获取至少一个第一待合成激励信号。
在一个具体的实施场景中，选择至少两个轨道激励信号中的至少一个与渐变曲线相乘，获得至少一个第一待合成激励信号。可以根据用户输入的触发信号获取渐变曲线。例如，当用户处于游戏状态中时，获取用户当前的操作信号，该操作信号为触发信号，获取触发信号对应的渐变曲线。渐变曲线的值是在[0,1]单调的。在本实施场景中，根据触发信号获取的渐变曲线为线性渐强的渐变曲线。在其他实施场景中，也可以根据触发信号获取的渐变为线性渐弱的渐变曲线。
请结合参阅图5和图6，图5是本发明提供的渐变曲线和第一待合成激励信号的第一实施例的示意图。图6是本发明提供的渐变曲线和第一待合成激励信号的第二实施例的示意图。
S303：根据渐变曲线生成逆变曲线，将至少两个轨道激励信号中的至少一个第二激励信号乘以逆变曲线，获取至少一个第二待合成激励信号。
在一个具体的实施场景中，根据渐变曲线生成逆变曲线，例如，对渐变曲线进行反转得到逆变曲线，或者可以对渐变曲线进行放大、收缩、延迟等处理得到逆变曲线。在本实施场景中，为了保证第二待合成激励信号的渐变方式与第一待合成激励信号的渐变方式保持相关，将渐变曲线C进行反转得到逆变曲线C’，即C’=rev(C)。具体地说，若渐变曲线为线性渐强的曲线，则逆变曲线为线性渐弱的曲线，若渐变曲线为线性渐弱的曲线，逆变曲线为线性渐强的曲线。例如渐变曲线C=[1,0.8,0.6,0.4,0.2,0]，那么执行反转操作之后，得到逆变曲线C’=[0,0.2,0.4,0.6,0.8,1]。
S304：获取延迟率，根据延迟率对至少一个第二待合成激励信号进行延迟，获取至少一个第三待合成激励信号。
在一个具体的实施场景中，获取当前应用环境，根据应用环境，对至少一个第二激励信号进行延迟获取至少一个第三待合成激励信号，用来满足不同的空间感需求。延迟时长Td根据延迟率r与原始激励信号的时长T0来定义，定义公式为Td = r•T0。延迟率r表征了空间感程度，r越大表征空间感越强，r越小表征空间感越弱。在本实施场景中，规定r为[0,1]的实数，r取值不大于1是为了防止震感丢失。在r=0的情况下，则不对第二激励信号进行延迟，第三激励信号即为第二激励信号。
请结合参阅图7和图8，图7是本发明提供的逆变曲线和第三待合成激励信号的第一实施例的示意图，图8是本发明提供的逆变曲线和第三待合成激励信号的第二实施例的示意图。
S305：将至少一个第一待合成激励信号和至少一个第三待合成激励信号合成为目标激励信号，根据目标激励信号驱动至少两个振动组件振动。
在一个具体的实施场景中，将至少一个第一待合成激励信号和至少一个第三待合成激励信号。信号的合成方法与本发明提供的振动驱动方法的第一实施例中的步骤S103中的基本一致，此处不再进行赘述。
进一步地，在进行信号合成的过程中，根据触觉感知设备的振动组件为至少一个待合成激励信号（包括第一待合成激励信号、第二待合成激励信号和第三待合成激励信号）添加对应的标识，以使得目标激励信号中也包括该标识，从而触觉感知设备在解析目标激励信号后，可以获取对应各个振动组件的播放轨道信号，从而驱动各个振动组件振动。
具体地说，在图1所示的触觉感知设备10的情况下，给图5所示的第一待合成激励信号添加振动组件11对应的第一标识，给图7所示的第三待合成激励信号添加振动组件12对应的第二标识。从而触觉感知设备10在接收到目标激励信号后，根据目标驱动信号驱动驱动组件11按照图5所示的波形振动，驱动驱动组件12按照图7的波形振动。或者给图6所示的第一待合成激励信号添加振动组件11对应的第一标识，给图8所示的第三待合成激励信号添加振动组件12对应的第二标识。从而触觉感知设备10在接收到目标激励信号后，根据目标驱动信号驱动驱动组件11按照图6所示的波形振动，驱动驱动组件12按照图8的波形振动。
根据上述描述可知，在本实施例中通过将至少一个第一激励信号乘以渐变曲线，获取至少一个第一待合成激励信号，根据渐变曲线生成逆变曲线，将至少一个第二激励信号乘以逆变曲线，获取至少一个第二待合成激励信号，根据延迟率对至少一个第二待合成激励信号进行延迟，获取至少一个第三待合成激励信号，将至少一个第一待合成激励信号和至少一个第三待合成激励信号合成为目标激励信号，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。
请参阅图9，图9是本发明提供的振动驱动系统的一实施例的结构示意图。振动驱动系统20包括：获取模块21、处理模块22、合成模块23。
获取模块21用于获取原始激励信号，复制原始激励信号生成至少两个轨道激励信号；处理模块22用于采用不同的信号处理方法分别对至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号；合成模块23用于将至少两个待合成激励信号合成为目标激励信号，根据目标激励信号驱动至少两个振动组件振动。
处理模块22还用于获取渐变曲线，将至少两个轨道激励信号中的至少一个第一激励信号乘以渐变曲线，获取至少一个第一待合成激励信号。
处理模块22还用于根据渐变曲线生成逆变曲线，将至少两个轨道激励信号中的至少一个第二激励信号乘以逆变曲线，获取至少一个第二待合成激励信号。
处理模块22还用于对渐变曲线进行反转得到逆变曲线。
处理模块22还用于获取延迟率，根据延迟率对至少一个第二待合成激励信号进行延迟，获取至少一个第三待合成激励信号。
处理模块22还用于根据延迟率和原始激励信号的原始时长获取延迟时长，将至少一个第二待合成激励信号延迟延迟时长获取至少一个第三待合成激励信号。
合成模块23还用于将至少一个第一待合成激励信号和至少一个第三待合成激励信号合成为目标激励信号。
根据上述描述可知，在本实施例中振动驱动系统根据原始激励信号生成至少两个轨道激励信号，采用不同的信号处理方法处理至少两个轨道激励信号生成至少两个待合成激励信号，将至少两个待合成激励信号合成为目标激励信号，从而目标激励信号用于分别激励不同的振动器振动，使得不同的振动器具有不同的振动模式，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。
请参阅图10，图10是本发明提供的振动设备的第一实施例的结构示意图。振动设备30包括处理器31、存储器32。处理器31耦接存储器32。存储器32中存储有计算机程序，处理器31在工作时执行该计算机程序以实现如图2和图4所示的方法。详细的方法可参见上述，在此不再赘述。
根据上述描述可知，在本实施例中振动设备根据原始激励信号生成至少两个轨道激励信号，采用不同的信号处理方法处理至少两个轨道激励信号生成至少两个待合成激励信号，将至少两个待合成激励信号合成为目标激励信号，从而目标激励信号用于分别激励不同的振动器振动，使得不同的振动器具有不同的振动模式，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。
请参阅图11，图11是本发明提供的存储介质的一实施例的结构示意图。计算机可读存储介质40中存储有至少一个计算机程序41，计算机程序41用于被处理器执行以实现如图2、图4所示的方法，详细的方法可参见上述，在此不再赘述。在一个实施例中，计算机可读存储介质40可以是终端中的存储芯片、硬盘或者是移动硬盘或者优盘、光盘等其他可读写存储的工具，还可以是服务器等等。
通过上述描述可知，在本实施例中存储介质中存储的计算机程序可以用于振动设备根据原始激励信号生成至少两个轨道激励信号，采用不同的信号处理方法处理至少两个轨道激励信号生成至少两个待合成激励信号，将至少两个待合成激励信号合成为目标激励信号，从而目标激励信号用于分别激励不同的振动器振动，使得不同的振动器具有不同的振动模式，根据一个原始激励信号实现不同振动组件之间的振动差异性，从而给用户提供不同的振动反馈，满足用户多种需求，有效提升用户体验。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，的程序可存储于一非易失性计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，本申请所提供的各实施例中所使用的对存储器、存储、数据库或其它介质的任何引用，均可包括非易失性和/或易失性存储器。非易失性存储器可包括只读存储器(ROM)、可编程ROM(PROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)或闪存。易失性存储器可包括随机存取存储器(RAM)或者外部高速缓冲存储器。作为说明而非局限，RAM以多种形式可得，诸如静态RAM(SRAM)、动态RAM(DRAM)、同步DRAM(SDRAM)、双数据率SDRAM(DDRSDRAM)、增强型SDRAM(ESDRAM)、同步链路(Synchlink) DRAM(SLDRAM)、存储器总线(Rambus)直接RAM(RDRAM)、直接存储器总线动态RAM(DRDRAM)、以及存储器总线动态RAM(RDRAM)等。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种振动驱动方法，其特征在于，应用于触觉感知设备，所述触觉感知设备包括至少两个振动组件，所述至少两个振动组件用于振动；
    所述振动驱动方法包括：
    获取原始激励信号，复制所述原始激励信号生成至少两个轨道激励信号；
    采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号；
    将所述至少两个待合成激励信号合成为目标激励信号，根据所述目标激励信号驱动所述至少两个振动组件振动。
  2. 根据权利要求1所述的振动驱动方法，其特征在于，所述采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理的步骤，包括：
    获取渐变曲线，将所述至少两个轨道激励信号中的至少一个第一激励信号乘以所述渐变曲线，获取至少一个第一待合成激励信号。
  3. 根据权利要求2所述的振动驱动方法，其特征在于，所述采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理的步骤，包括：
    根据所述渐变曲线生成逆变曲线，将所述至少两个轨道激励信号中的至少一个第二激励信号乘以所述逆变曲线，获取至少一个第二待合成激励信号。
  4. 根据权利要求3所述的振动驱动方法，其特征在于，所述根据所述渐变曲线生成逆变曲线的步骤，包括：
    对所述渐变曲线进行反转得到所述逆变曲线。
  5. 根据权利要求3所述的振动驱动方法，其特征在于，所述将所述至少两个轨道激励信号中的至少一个第二激励信号乘以所述逆变曲线的步骤之后，包括：
    获取延迟率，根据所述延迟率对所述至少一个第二待合成激励信号进行延迟，获取至少一个第三待合成激励信号。
  6. 根据权利要求5所述的振动驱动方法，其特征在于，所述根据所述延迟率对所述第二待合成激励信号进行延迟的步骤，包括：
    根据所述延迟率和所述原始激励信号的原始时长获取延迟时长，将所述至少一个第二待合成激励信号延迟所述延迟时长获取所述至少一个第三待合成激励信号。
  7. 根据权利要求3所述的振动驱动方法，其特征在于，所述将所述至少两个待合成激励信号合成为目标激励信号的步骤，包括：
    将所述至少一个第一待合成激励信号和所述至少一个第三待合成激励信号合成为所述目标激励信号。
  8. 一种振动驱动系统，其特征在于，包括：
    获取模块，用于获取原始激励信号，复制所述原始激励信号生成至少两个轨道激励信号；
    处理模块，用于采用不同的信号处理方法分别对所述至少两个轨道激励信号进行信号处理，获取至少两个待合成激励信号；
    合成模块，用于将所述至少两个待合成激励信号合成为目标激励信号，根据所述目标激励信号驱动所述至少两个振动组件振动。
  9. 一种振动设备，其特征在于，包括：处理器和存储器，所述处理器耦接所述存储器，所述存储器中存储有计算机程序，所述处理器执行所述计算机程序以实现如权利要求1-7任一项所述的方法。
  10. 一种存储介质，其特征在于，存储有计算机程序，所述计算机程序能够被处理器执行以实现如权利要求1-7任一项所述的方法。
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