WO2022000505A1 - 双指触觉交互方法、终端及介质 - Google Patents

双指触觉交互方法、终端及介质 Download PDF

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Publication number
WO2022000505A1
WO2022000505A1 PCT/CN2020/100262 CN2020100262W WO2022000505A1 WO 2022000505 A1 WO2022000505 A1 WO 2022000505A1 CN 2020100262 W CN2020100262 W CN 2020100262W WO 2022000505 A1 WO2022000505 A1 WO 2022000505A1
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Prior art keywords
finger
touch
signal
adjustment
fingers
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PCT/CN2020/100262
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English (en)
French (fr)
Inventor
龚翼
张燕昕
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瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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Priority to PCT/CN2020/100262 priority Critical patent/WO2022000505A1/zh
Publication of WO2022000505A1 publication Critical patent/WO2022000505A1/zh

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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

Definitions

  • the present invention relates to the technical field of touch screen control and haptic feedback, and in particular, to a method for realizing touch screen interaction and haptic feedback through two fingers, a vehicle-mounted touch terminal and a computer-readable storage medium.
  • the purpose of the present invention is to provide an accurate two-finger tactile interaction method with tactile feedback.
  • a two-finger tactile interaction method the method comprises the steps:
  • a touch screen for generating a touch signal, a motor unit for generating vibration feedback, and a function module for performing function adjustment according to the touch signal, the function module including a first function module and a second function module;
  • Two fingers synchronously slide on the touch screen to generate a second touch signal
  • the first function module performs function adjustment according to the second touch signal
  • the motor unit generates a second vibration feedback according to the second touch signal
  • Relative sliding of two fingers on the touch screen generates a third touch signal
  • the second function module performs function adjustment according to the third touch signal
  • the motor unit generates a third vibration feedback according to the third touch signal.
  • the two fingers maintain a contact state with the touch screen.
  • the two fingers include a left finger and a right finger opposite to the left finger
  • the touch screen includes a horizontal axis and a vertical axis perpendicular to the horizontal and vertical directions, and the two fingers slide synchronously on the touch screen to generate a second touch.
  • the left and right fingers remain relatively stationary and slide synchronously along the longitudinal axis.
  • the function adjustment of the function module includes gain adjustment and depreciation adjustment, and a coordinate system is constructed with the horizontal axis and the vertical axis;
  • the second touch signal includes at least the first initial coordinates of the two fingers and the self
  • the coordinate of the first end point of the two fingers generated by the synchronous sliding of the first initial coordinate along the vertical axis is defined as the left finger as a, the right finger as b, the horizontal axis coordinate as X, and the vertical axis coordinate as Y; define the first initial coordinates of the left finger as (X a11 , Y a11 ), the first initial coordinates of the right finger as (X b11 , Y b11 ), and the first end coordinates of the left finger as ( X a12 , Y a12 ), the coordinates of the first end point of the right finger are (X b12 , Y b12 ), when the relational expression is satisfied:
  • the first functional module performs gain adjustment; or,
  • the first functional module performs debuff adjustment.
  • one of the left finger or the right finger remains stationary and the left finger and the right finger slide relative to each other along the horizontal axis.
  • the third touch signal includes at least the second initial coordinates of the two fingers and the second end coordinates of the two fingers generated by relative sliding along the horizontal axis from the second initial coordinates, which define the second coordinates of the left finger.
  • the initial coordinates are (X a21 , Y a21 )
  • the second initial coordinates of the right finger are (X b21 , Y b21 )
  • the second end point coordinates of the left finger are (X a22 , Y a22 )
  • the right The coordinate of the second end point is (X b22 , Y b22 ), when the relational expression is satisfied:
  • the second functional module performs gain adjustment; or,
  • the second functional module performs debuff adjustment.
  • the first vibration feedback is a high frequency short signal.
  • the second vibration feedback and the third vibration feedback include at least one high-frequency long signal.
  • the amplitude of the high-frequency long signal gradually increases with the gain adjustment.
  • the amplitude of the high-frequency long signal gradually decreases with the debuff adjustment.
  • the high frequency long signal includes a first high frequency long signal corresponding to the second vibration feedback and a second high frequency long signal corresponding to the third vibration feedback, the first high frequency long signal and the second high frequency long signal. At least the frequency differs between long signals.
  • the second vibration feedback and the third vibration feedback also include several short vibration signals that are continuously generated during the two-finger sliding process.
  • the amplitude of the debuff adjustment gradually decreases.
  • An in-vehicle touch terminal which at least includes a memory, a processor, and a computer program stored in the memory and running on the processor, when the processor executes the computer program, it can achieve any of the above The two-finger haptic interaction method.
  • a computer-readable storage medium where a computer program is stored in the computer-readable storage medium, and when the processor executes the computer program, any one of the above two-finger haptic interaction methods is implemented.
  • the present invention adjusts the first functional module and the second functional module respectively through the synchronous sliding and relative sliding of two fingers on the touch screen, and generates vibration feedback through the vibration of the motor unit to prompt the user to adjust the structure, so that the user is completely Accurate gain adjustment or depreciation adjustment of car functions can be accomplished without visual aid and without leaving the screen.
  • FIG. 2 is a schematic diagram of two-finger synchronous sliding according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the left finger remaining still when two fingers slide relative to one another according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of the right finger remaining still when two fingers slide relative to one another according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of communication between a touch screen and a functional module according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of communication between the touch screen and the motor unit according to Embodiment 1 of the present invention.
  • FIG. 7 is a structural block diagram of a vehicle-mounted touch terminal according to Embodiment 2 of the present invention.
  • This embodiment provides a two-finger 80 tactile interaction method, see FIG. 1 to FIG. 6 , the method includes:
  • Step S10 providing a touch screen 40 , a motor unit 60 and a functional module 70 , the functional module 70 includes a first functional module 71 and a second functional module 72 ;
  • the touch screen 40 is used to generate a touch signal
  • the motor unit 60 is used to generate vibration feedback
  • the function module 70 performs function adjustment according to the touch signal.
  • the function adjustment of the functional module 70 includes gain adjustment and depreciation adjustment, the gain adjustment refers to the adjustment of the core feature value of the functional module 70 to a large value, and the debuff adjustment refers to the core feature of the functional module 70.
  • the value is adjusted toward the decimal value.
  • the function module 70 can perform common car built-in functions, including but not limited to volume adjustment of the car audio, temperature adjustment of the car air conditioner, brightness adjustment of the built-in lighting in the vehicle, etc.
  • the first functional module 71 is the car audio
  • the gain adjustment of the first functional module 71 is represented by increasing the volume
  • the debuff adjustment of the first functional module 71 is represented by reducing the volume.
  • the second functional module 72 is for temperature adjustment of the vehicle air conditioner, the gain adjustment of the second functional module 72 is to increase the temperature in the vehicle, and the debuff adjustment of the second functional module 72 is to reduce the temperature in the vehicle.
  • Step S20 two fingers 80 touch the touch screen 40 to generate a first touch signal 41 to activate the first function module 71 , and the motor unit 60 generates a first vibration feedback 61 according to the first touch signal 41 ;
  • the first vibration feedback 61 is a high-frequency short signal
  • the sensor 50 built in the touch screen 40 captures the touch action of the user's two fingers 80 on the touch screen 40, and
  • the first touch signal 41 is generated
  • the first function module 71 senses the first touch signal 41 to enter an activated state, and waits to receive an instruction for function adjustment.
  • the motor unit 60 senses the first touch signal 41
  • a high-frequency short signal is generated, and the high-frequency short signal is tactilely represented as a high-frequency but short vibration. The user feels the high-frequency short signal and knows that the pairing has been activated. Adjustment of the first functional module 71 .
  • Step S30 the two fingers 80 synchronously slide on the touch screen 40 to generate a second touch signal 42 , the first function module 71 performs function adjustment according to the second touch signal 42 , and the motor unit 60 is adjusted according to the first touch signal 42 .
  • a touch signal 41 generates a first vibration feedback 61;
  • step S20 on the basis of step S20 , the two fingers 80 are kept in contact with the touch screen 40 , and the touch screen 40 slides synchronously to generate the second touch signal 42 .
  • the two fingers 80 include a left finger 81 and a right finger 82 opposite to the left finger 81
  • the touch screen 40 includes a horizontal axis and a vertical axis perpendicular to the horizontal and vertical directions, and the two fingers 80 are on the touch screen. 40
  • the second touch signal 42 is generated by synchronous sliding, the left finger 81 and the right finger 82 remain relatively stationary and slide synchronously along the vertical axis.
  • the first functional module 71 senses the second touch signal 42, it determines whether the user's operation is gain adjustment or deduction adjustment according to the second touch signal 42, and performs quantitative gain adjustment or deduction adjustment according to a preset algorithm.
  • Debuff adjustment this embodiment does not further disclose the preset algorithm for quantitative adjustment.
  • the specific method for judging whether the user operation is gain adjustment or debuff adjustment is as follows:
  • a coordinate system is constructed with the horizontal axis X and the vertical axis Y; the second touch signal 42 includes at least the first initial coordinate of the two fingers 80 and the double finger 80 generated from the synchronous sliding along the vertical axis Y from the first initial coordinate
  • the coordinates of the first end point of the finger 80 define the left finger as a, the right finger as b, the horizontal axis coordinate as X, the vertical axis coordinate as Y; define the first initial coordinate of the left finger 81 is (X a11 , Y a11 ), the first initial coordinates of the right finger 82 are (X b11 , Y b11 ), the first end coordinates of the left finger 81 are (X a12 , Y a12 ), the right Refers to the coordinates of the first end point of 82 as (X b12 , Y b12 ), when the relational expression is satisfied:
  • the first functional module performs gain adjustment.
  • the first functional module performs debuff adjustment.
  • a first high-frequency long signal is generated, and the first high-frequency long signal is tactilely expressed as a high-frequency and continuous vibration, and the user feels the first
  • the high-frequency long signal can know that the function adjustment of the first function module 71 is being performed.
  • the amplitude of the first high-frequency long signal felt by the user gradually increases with the gain adjustment.
  • the amplitude of the first high-frequency long signal felt by the user gradually decreases with the adjustment of the gain.
  • Step S40 two fingers 80 relatively slide on the touch screen 40 to generate a third touch signal 43 , the second function module 72 performs function adjustment according to the third touch signal 43 , and the motor unit 60 is adjusted according to the third touch signal 43 .
  • the three-touch signal 43 generates a third vibration feedback 63 .
  • the two fingers 80 maintain a contact state with the touch screen 40 before the touch screen 40 relatively slides to generate the third touch signal 43 .
  • one of the left finger 81 or the right finger 82 remains motionless and the left finger 80 remains motionless.
  • 81 and the right finger 82 slide relative to each other along the horizontal axis.
  • the second function module 72 determines whether the user's operation is gain adjustment or debuff adjustment according to the third touch signal 43, and performs quantitative gain adjustment or debuff adjustment according to a preset algorithm.
  • the preset algorithm for quantitative adjustment is not further disclosed in this embodiment.
  • the specific method for judging whether the user operation is gain adjustment or debuff adjustment is as follows:
  • the third touch signal 43 includes at least the second initial coordinate of the two fingers 80 and the second end point coordinates of the two fingers generated by relative sliding along the horizontal axis X from the second initial coordinate, which defines the second coordinate of the left finger 81 .
  • the initial coordinates are (X a21 , Y a21 )
  • the second initial coordinates of the right finger 82 are (X b21 , Y b21 )
  • the second end point coordinates of the left finger 81 are (X a22 , Y a22 )
  • the coordinate of the second end point of the right finger 82 is (X b22 , Y b22 ), when the relational expression is satisfied:
  • the second function module 72 performs gain adjustment.
  • the second functional module 72 performs debuff adjustment.
  • a second high-frequency long signal is generated, and the second high-frequency long signal is tactilely expressed as a high-frequency and continuous vibration, and the user feels the second high-frequency long signal.
  • the high-frequency long signal indicates that the function adjustment of the second function module 72 is being performed.
  • the amplitude of the second high-frequency long signal felt by the user gradually increases with the gain adjustment.
  • the amplitude of the second high-frequency long signal felt by the user gradually decreases with the adjustment of the gain.
  • the second vibration feedback 62 and the third vibration feedback 63 are both high-frequency long signals.
  • the amplitude of the high-frequency long signal gradually increases with the gain adjustment.
  • the function adjusts the debuff adjustment the amplitude of the high-frequency long signal gradually decreases with the debuff adjustment.
  • the high frequency long signal includes a first high frequency long signal corresponding to the second vibration feedback 62 and a second high frequency long signal corresponding to the third vibration feedback 63, the first high frequency long signal and the second high frequency long signal. At least the frequencies are different between them, so that the user can distinguish whether the adjustment of the first functional module 71 or the adjustment of the second functional module 72 is currently performed through the difference of tactile feeling.
  • first high-frequency long signal and the second high-frequency long signal may also have differences in other characteristic parameters, so as to help the user to distinguish whether the adjustment of the first functional module 71 or the second functional module is currently being performed through tactile sensation. 72 regulation.
  • the amplitude changes of the first high-frequency long signal and the second high-frequency long signal can be combined with the moving distance of the two fingers 80 on the touch screen 40.
  • the A very short vibration short signal is generated, and several short vibration signals are continuously generated during the sliding process of the two-finger 80, forming a tactile feedback similar to a knob, and with the gain adjustment, the amplitude of each short signal gradually increases; , the amplitude of each short signal decreases gradually.
  • a vibration sound is set as an auxiliary to improve the user's touch experience.
  • the terminal 100 includes a memory 10, a processor 20, and a computer program 30 stored in the memory 10 and running on the processor 20.
  • the processor 20 executes the computer program 30, the two-finger 80 haptic interaction method of the first embodiment is implemented.
  • the terminal 100 further includes a touch screen 40 , a sensor 50 , a motor unit 60 and a functional module 70 ,
  • the touch screen 40 is used to generate a touch signal;
  • the sensor 50 is integrated in the touch screen 40 and used to generate a touch signal;
  • the motor unit 60 is used to generate vibration feedback;
  • the function module 70 includes a first function module 71 and a second function module 72, and the function module 70 is used to perform function adjustment according to the touch signal;
  • the processor 20 is electrically connected to the touch screen 40 , the motor unit 60 , the first function module 71 and the second function module 72 respectively, and the processor 20 executes the computer In program 30, the two-finger 80 haptic interaction method described in the first embodiment is implemented.
  • processor 20 may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors 20, digital signal processors 20 (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated circuits) Circuit, ASIC), off-the-shelf Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated circuits
  • FPGA Field Programmable Gate Array
  • FPGA Field Programmable Gate Array
  • the memory 10 may be an internal storage unit of the vehicle-mounted touch terminal 100 , such as a hard disk or a memory of the vehicle-mounted touch terminal 100 .
  • the memory 10 may also be an external storage device of the vehicle-mounted touch terminal 100, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure) Digital, SD) card, flash memory card (Flash Card), etc.
  • the memory 10 may also include both an internal storage unit of the vehicle-mounted touch terminal 100 and an external storage device.
  • the memory 10 is used to store the computer program 30 and other programs and data required by the vehicle-mounted touch terminal 100.
  • the memory 10 may also be used to temporarily store data that has been output or is to be output.
  • the computer program 30 may be divided into one or more modules/units, and the one or more modules/units are stored in the memory 10 and executed by the processor 20 .
  • the one or more modules/units may be a series of computer program 30 instruction segments capable of performing specific functions, and the instruction segments are used to describe the execution process of the computer program 30 in the system control terminal 100 .
  • vehicle-mounted control terminal 100 further includes other well-known unit modules for implementing other basic functions of the traditional vehicle-mounted control terminal 100, which will not be further expanded in this embodiment.
  • This embodiment also provides a computer-readable storage medium, where a computer program 30 is stored in the computer-readable storage medium.
  • a computer program 30 is stored in the computer-readable storage medium.
  • the two-finger 80 haptic interaction method described in the first embodiment is implemented.
  • the computer program 30 includes the code of the computer program 30, and the code of the computer program 30 may be in the form of source code, object code, executable file or some intermediate form, and the like.
  • the computer-readable medium may include: any entity or device capable of carrying the code of the computer program 30, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory (Read-Only Memory, ROM) ), random access memory (Random Access Memory, RAM), electrical carrier signals, telecommunication signals, and software distribution media, etc.
  • the content contained in the computer-readable media may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer-readable media Electric carrier signals and telecommunication signals are not included.
  • the present invention adjusts the first functional module 71 and the second functional module 72 respectively through the synchronous sliding and relative sliding of the two fingers 80 on the touch screen 40, and generates vibration feedback through the vibration of the motor unit 60 to prompt the user to adjust the structure, so that the user can Accurate gain and deduction adjustment of car functions is completed without visual aids and without leaving the screen.

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Abstract

本发明提供了一种双指触觉交互方法，其特征在于，该方法包括步骤：提供一用于生成触摸信号的触摸屏、用于产生振动反馈的马达单体、及根据所述触摸信号执行功能调节的功能模块，所述功能模块包括第一功能模块和第二功能模块；双指接触所述触摸屏产生第一触摸信号以启动第一功能模块，且所述马达单体根据所述第一触摸信号产生第一振动反馈；双指在所述触摸屏同步滑动产生第二触摸信号，所述第一功能模块通过所述第二触摸信号进行功能调节，且所述马达单体根据所述第二触摸信号产生第二振动反馈。使得用户在完全不用视觉辅助和手指不离开屏幕的基础上，完成对汽车功能精准调节。

Description

双指触觉交互方法、终端及介质 【技术领域】
本发明涉及触屏控制及触觉反馈技术领域，尤其涉及一种通过双指实现触屏交互及触觉反馈的方法、车载触控终端及计算机可读存储介质。
【背景技术】
随着电子技术的发展，汽车内的功能控制从实体按键发展到如今的触摸屏，“人机交互”模式发生了巨大的变化，人们在汽车内能做的娱乐或者调节功能越来越多。开车时，如何能在保证安全驾驶的情况下，尽量少的使用双眼的视觉辅助进行人机交互，尤其在完全不用视觉辅助和手指不离开屏幕的基础上，进行精准的增益及减益操作，开始被人越来越多的讨论。
因此，有必要提供一种精准且带有触觉反馈的双指触觉交互方法。
【发明内容】
本发明的目的在于提供一种精准且带有触觉反馈的双指触觉交互方法。
本发明的技术方案如下：一种双指触觉交互方法，该方法包括步骤：
提供一用于生成触摸信号的触摸屏、用于产生振动反馈的马达单体、及根据所述触摸信号执行功能调节的功能模块，所述功能模块包括第一功能模块和第二功能模块；
双指接触所述触摸屏产生第一触摸信号以启动所述第一功能模块，且所述马达单体根据所述第一触摸信号产生第一振动反馈；
双指在所述触摸屏同步滑动产生第二触摸信号，所述第一功能模块根据所述第二触摸信号进行功能调节，且所述马达单体根据所述第二触摸信号产生第二振动反馈；
双指在所述触摸屏相对滑动产生第三触摸信号，所述第二功能模块根 据所述第三触摸信号进行功能调节，且所述马达单体根据所述第三触摸信号产生第三振动反馈。
更优地，所述双指在所述触摸屏相对滑动产生第三触摸信号之前，双指与所述触摸屏保持接触状态。
更优地，定义所述双指包括左指及与左指相对的右指，所述触摸屏包括横轴及与横纵垂直的纵轴，所述双指在所述触摸屏同步滑动产生第二触摸信号时，所述左指和右指保持相对静止且沿所述纵轴同步滑动。
更优地，所述功能模块的功能调节包括增益调节和减益调节，以所述横轴与所述纵轴构建坐标系；所述第二触摸信号至少包括双指的第一初始坐标及自所述第一初始坐标沿纵轴同步滑动产生的双指的第一终点坐标，定义所述左指为a，所述右指为b，所述横轴坐标为X，所述纵轴坐标为Y；定义所述左指的第一初始坐标为(X a11,Y a11)，所述右指的第一初始坐标为(X b11,Y b11),所述左指的第一终点坐标为(X a12,Y a12)，所述右指的第一终点坐标为(X b12,Y b12),当满足关系式：
Y a12＞Y a11；且
Y b12＞Y b11时，
所述第一功能模块进行增益调节；或，
当满足关系式：
Y a12＜Y a11；且
Y b12＜Y b11时，
所述第一功能模块进行减益调节。
更优地，所述双指在所述触摸屏相对滑动产生第三触摸信号时，所述左指或右指之一保持不动且所述左指与所述右指沿横轴相对滑动。
更优地，所述第三触摸信号至少包括双指的第二初始坐标及自所述第二初始坐标沿横轴相对滑动产生的双指的第二终点坐标，定义所述左指的第二初始坐标为(X a21,Y a21)，所述右指的第二初始坐标为(X b21,Y b21),所述左指的第二终点坐标为(X a22,Y a22)，所述右指的第二终点坐标为(X b22,Y b22)，当满足关系式：
Figure PCTCN2020100262-appb-000001
时，
所述所述第二功能模块进行增益调节；或，
当满足关系式：
Figure PCTCN2020100262-appb-000002
时，
所述第二功能模块进行减益调节。
更优地，所述第一振动反馈为一高频短信号。
更优地，所述第二振动反馈及所述第三振动反馈至少包括一高频长信号，当所述功能调节为增益调节时，所述高频长信号的振幅随增益调节逐渐增强，当所述功能调节减益调节时，所述高频长信号的振幅随减益调节逐渐减小。
更优地，所述高频长信号包括对应第二振动反馈的第一高频长信号及对应第三振动反馈的第二高频长信号，所述第一高频长信号与第二高频长信号之间至少频率不同。
更优地，所述第二振动反馈及所述第三振动反馈还包括在双指滑动过程中持续产生的若干振动短信号，若干振动短信号随着增益调节振幅逐渐增强，若干振动短信号随着减益调节振幅逐渐减小。
一种车载触控终端，其至少包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时，实现如上述任一所述双指触觉交互方法。
一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述处理器执行所述计算机程序时，实现如上述任一所述双指触觉交互方法。
本发明的有益效果在于：本发明通过双指在触摸屏的同步滑动及相对滑动分别调节第一功能模块和第二功能模块，通过马达单体振动产生振动反馈提示用户调节的结构，使得用户在完全不用视觉辅助和手指不离开屏幕的基础上，完成对汽车功能精准的增益调节或减益调节。
【附图说明】
图1为本发明实施例一交互方法流程图；
图2为本发明实施例一双指同步滑动示意图；
图3为本发明实施例一双指相对滑动时左指保持不动的示意图；
图4为本发明实施例一双指相对滑动时右指保持不动的示意图；
图5为本发明实施例一的触摸屏与功能模块通信示意图；
图6为本发明实施例一的触摸屏与马达单体通信示意图；
图7为本发明实施例二车载触控终端的结构框图。
【具体实施方式】
下面结合附图和实施方式对本发明作进一步说明。
实施例一
本实施例提供一种双指80触觉交互方法，参见图1～图6，该方法包括：
步骤S10：提供一触摸屏40、马达单体60及功能模块70，所述功能模块70包括第一功能模块71和第二功能模块72；
更优地，所述触摸屏40用于生成触摸信号，所述马达单体60用于产生振动反馈，所述功能模块70根据所述触摸信号执行功能调节。
更优地，所述功能模块70的功能调节包括增益调节和减益调节，增益调节指的是功能模块70的核心特征值向大数值方向调节，减益调节指的是功能模块70的核心特征值向小数值方向调节。功能模块70可以常见的汽车内置功能，包括但不限于车载音响的音量调节、车载空调的温度调节、车厢内置照明的亮度调节等等，本实施例中，所述第一功能模块71为车载音响的音量调节，第一功能模块71的增益调节表现为增大音量，第一功能模块71的减益调节表现为降低音量。所述第二功能模块72为车载空调的温度调节，第二功能模块72的增益调节表现为提高车内温度，第二功能模块72的减益调节表现为降低车内温度。
步骤S20：双指80接触所述触摸屏40产生第一触摸信号41以启动第一功能模块71，且所述马达单体60根据所述第一触摸信号41产生第一振动反馈61；
更优地，所述第一振动反馈61为一高频短信号，当用户双指80接触所述触摸屏40时，触摸屏40内置的传感器50捕捉用户双指80在触摸屏40上的触摸动作，并产生第一触摸信号41，第一功能模块71感应到第一触摸信号41进入启动状态，等待接收功能调节的指令。马达单体60感应到第一触摸信号41时产生一高频短信号，所述高频短信号在触觉上表现为一高频但短促的振动，用户感受到高频短信号即获悉已经启动对第一功能模块71的调节。
步骤S30：双指80在所述触摸屏40同步滑动产生第二触摸信号42，所述第一功能模块71根据所述第二触摸信号42进行功能调节，且所述马达单体60根据所述第一触摸信号41产生第一振动反馈61；
更优地，参见图2，在步骤S20的基础上，双指80在保持与触摸屏40接触的状态，且在所述触摸屏40同步滑动产生第二触摸信号42。
更优地，定义所述双指80包括左指81及与左指81相对的右指82，所述触摸屏40包括横轴及与横纵垂直的纵轴，所述双指80在所述触摸屏40同步滑动产生第二触摸信号42时，所述左指81和右指82保持相对静止且沿所述纵轴同步滑动。
更优地，第一功能模块71感应到第二触摸信号42时，根据所述第二触摸信号42判断用户的操作是增益调节或减益调节，并根据预设的算法进行定量的增益调节或减益调节，本实施例对定量调节的预设算法不作进一步公开。具体的判断用户操作是增益调节或减益调节的方法如下：
以所述横轴X与所述纵轴Y构建坐标系；所述第二触摸信号42至少包括双指80的第一初始坐标及自所述第一初始坐标沿纵轴Y同步滑动产生的双指80的第一终点坐标，定义所述左指为a，所述右指为b，所述横轴坐标为X，所述纵轴坐标为Y；定义所述左指81的第一初始坐标为(X a11,Y a11)，所述右指82的第一初始坐标为(X b11,Y b11),所述左指81的第一终点坐标为(X a12,Y a12)，所述右指82的第一终点坐标为(X b12,Y b12),当满足关系式：
Y a12＞Y a11；且
Y b12＞Y b11时，
所述第一功能模块进行增益调节。
当满足关系式：
Y a12＜Y a11；且
Y b12＜Y b11时，
所述第一功能模块进行减益调节。
更优地，马达单体60感应到第二触摸信号42时产生第一高频长信号，所述第一高频长信号在触觉上表现为一高频且持续的振动，用户感受到第一高频长信号即获悉正在对第一功能模块71进行功能调节。
更优地，当所述第一功能模块71的功能调节为增益调节时，用户感受到的所述第一高频长信号的振幅随增益调节逐渐增强，当所述功能调节减益调节时，用户感受到的所述第一高频长信号的振幅随减益调节逐渐减小。
步骤S40：双指80在所述触摸屏40相对滑动产生第三触摸信号43，所述第二功能模块72根据所述第三触摸信号43进行功能调节，且所述马达单体60根据所述第三触摸信号43产生第三振动反馈63。
更优地，在步骤S30的基础上，所述双指80在所述触摸屏40相对滑动产生第三触摸信号43之前双指80与所述触摸屏40保持接触状态。
更优地，参见图3和图4，所述双指80在所述触摸屏40相对滑动产生第三触摸信号43时，所述左指81或右指82之一保持不动且所述左指81与所述右指82沿横轴相对滑动。
更优地，第二功能模块72感应到第三触摸信号43时，根据第三触摸信号43判断用户的操作是增益调节或减益调节，并根据预设的算法进行定量的增益调节或减益调节，本实施例对定量调节的预设算法不作进一步公开。具体的判断用户操作是增益调节或减益调节的方法如下：
所述第三触摸信号43至少包括双指80的第二初始坐标及自所述第二初始坐标沿横轴X相对滑动产生的双指的第二终点坐标，定义所述左指81的第二初始坐标为(X a21,Y a21)，所述右指82的第二初始坐标为(X b21,Y b21),所述左指81的第二终点坐标为(X a22,Y a22)，所述右指82的第二终点坐标为(X b22,Y b22)，当满足关系式：
Figure PCTCN2020100262-appb-000003
时，
所述所述第二功能模块72进行增益调节。
当满足关系式：
Figure PCTCN2020100262-appb-000004
时，
所述第二功能模块72进行减益调节。
更优地，马达单体60感应到第三触摸信号43时产生第二高频长信号，所述第二高频长信号在触觉上表现为一高频且持续的振动，用户感受到第二高频长信号即获悉正在对第二功能模块72进行功能调节。
更优地，当所述第二功能模块72的功能调节为增益调节时，用户感受到的所述第二高频长信号的振幅随增益调节逐渐增强，当所述功能调节减益调节时，用户感受到的所述第二高频长信号的振幅随减益调节逐渐减小。
具体地，所述第二振动反馈62及所述第三振动反馈63均为高频长信号，当所述功能调节为增益调节时，所述高频长信号的振幅随增益调节逐渐增强，当所述功能调节减益调节时，所述高频长信号的振幅随减益调节逐渐减小。
所述高频长信号包括对应第二振动反馈62的第一高频长信号及对应第三振动反馈63的第二高频长信号，所述第一高频长信号与第二高频长信号之间至少频率不同，使得用户通过触觉感受的区别区分当前进行的是第一功能模块71调节还是第二功能模块72调节。
可以理解的是，第一高频长信号与第二高频长信号还可存在其他特征参数的区别，以助于用户通过触觉感受区分当前进行的是第一功能模块71调节还是第二功能模块72调节。
更优地，第一高频长信号与第二高频长信号的振幅变化可以结合双指80在触摸屏40上移动距离，按照预设的算法，每当双指80在触摸屏40挪动一定距离就产生一个非常短促的振动短信号，双指80滑动过程中持续产生若干个振动短信号，形成类似旋钮的触觉反馈，并且随着增益调节，每个短信号的振幅逐渐增强；随着减益调节，每个短信号的振幅逐渐减小。
更优地，所述马达单体60产生振动反馈时设置一振动声作为辅助，提高用户的触控体验。
实施例二
本实施例提供一种车载触控终端100，参见图7，该终端100包括存储器10、处理器20、存储在所述存储器10中并可在所述处理器20上运行的计算机程序30，所述处理器20执行所述计算机程序30时实现实施例一的双指80触觉交互方法。
更优地，所述终端100还包括触摸屏40、传感器50、马达单体60及功能模块70，
具体地，所述触摸屏40用于生成触摸信号；所述传感器50集成于触摸屏40内且用于产生触摸信号；所述马达单体60用于产生振动反馈；所述功能模块70包括第一功能模块71和第二功能模块72，且所述功能模块70用于根据所述触摸信号执行功能调节；
具体地，所述处理器20分别与所述触摸屏40、所述马达单体60、所述第一功能模块71及所述第二功能模块72电性连接，所述处理器20执行所述计算机程序30时，实现实施例一所述的双指80触觉交互方法。
具体地，所称处理器20可以是中央处理单元(Central Processing Unit，CPU)，还可以是其他通用处理器20、数字信号处理器20(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。
具体地，所述存储器10可以是所述车载触控终端100的内部存储单元，例如车载触控终端100的硬盘或内存。所述存储器10也可以是所述车载触控终端100的外部存储设备，例如所述车载触控终端100上配备的插接式硬盘，智能存储卡(Smart Media Card，SMC)，安全数字(Secure Digital，SD)卡，闪存卡(Flash Card)等。进一步地，所述存储器10还可以既包括所述车载触控终端100的内部存储单元也包括外部存储设备。所述存储器 10用于存储所述计算机程序30以及所述车载触控终端100所需的其他程序和数据。所述存储器10还可以用于暂时地存储已经输出或者将要输出的数据。
具体地，所述计算机程序30可以被分割成一个或多个模块/单元，所述一个或者多个模块/单元被存储在所述存储器10中，并由所述处理器20执行。所述一个或多个模块/单元可以是能够完成特定功能的一系列计算机程序30指令段，该指令段用于描述所述计算机程序30在所述系统控制终端100中的执行过程。
可以理解的，所述车载控制终端100还包括其他公知的单元模块用于实现传统的车载控制终端100的其他基础功能，本实施例不作进一步展开。
本实施例还提供一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序30，所述计算机程序30被执行时，实现如实施例一所述的双指80触觉交互方法。
具体地，所述计算机程序30包括计算机程序30代码，所述计算机程序30代码可以为源代码形式、对象代码形式、可执行文件或某些中间形式等。所述计算机可读介质可以包括：能够携带所述计算机程序30代码的任何实体或装置、记录介质、U盘、移动硬盘、磁碟、光盘、计算机存储器、只读存储器(Read-Only Memory，ROM)、随机存取存储器(RandomAccess Memory，RAM)、电载波信号、电信信号以及软件分发介质等。需要说明的是，所述计算机可读介质包含的内容可以根据司法管辖区内立法和专利实践的要求进行适当的增减，例如在某些司法管辖区，根据立法和专利实践，计算机可读介质不包括电载波信号和电信信号。
借此，本发明通过双指80在触摸屏40的同步滑动及相对滑动分别调节第一功能模块71和第二功能模块72，通过马达单体60振动产生振动反馈提示用户调节的结构，使得用户在完全不用视觉辅助和手指不离开屏幕的基础上，完成对汽车功能精准的增益及减益调节。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进， 但这些均属于本发明的保护范围。

Claims (12)

  1. 一种双指触觉交互方法，其特征在于，该方法包括步骤：
    提供一用于生成触摸信号的触摸屏、用于产生振动反馈的马达单体、及根据所述触摸信号执行功能调节的功能模块，所述功能模块包括第一功能模块和第二功能模块；
    双指接触所述触摸屏产生第一触摸信号以启动所述第一功能模块，且所述马达单体根据所述第一触摸信号产生第一振动反馈；
    双指在所述触摸屏同步滑动产生第二触摸信号，所述第一功能模块根据所述第二触摸信号进行功能调节，且所述马达单体根据所述第二触摸信号产生第二振动反馈；
    双指在所述触摸屏相对滑动产生第三触摸信号，所述第二功能模块根据所述第三触摸信号进行功能调节，且所述马达单体根据所述第三触摸信号产生第三振动反馈。
  2. 根据权利要求1所述的双指触觉交互方法，其特征在于：所述双指在所述触摸屏相对滑动产生第三触摸信号之前，双指与所述触摸屏保持接触状态。
  3. 根据权利要求2所述的双指触觉交互方法，其特征在于：定义所述双指包括左指及与左指相对的右指，所述触摸屏包括横轴及与横纵垂直的纵轴，所述双指在所述触摸屏同步滑动产生第二触摸信号时，所述左指和右指保持相对静止且沿所述纵轴同步滑动。
  4. 根据权利要求3所述的双指触觉交互方法，其特征在于：所述功能模块的功能调节包括增益调节和减益调节，以所述横轴与所述纵轴构建坐标系；所述第二触摸信号至少包括双指的第一初始坐标及自所述第一初始坐标沿纵轴同步滑动产生的双指的第一终点坐标，定义所述左指为a，所述右指为b，所述横轴坐标为X，所述纵轴坐标为Y；定义所述左指的第一初始坐标为(X a11,Y a11)，所述右指的第一初始坐标为(X b11,Y b11),所述左指的第一终点坐标为(X a12,Y a12)，所述右指的第一终点坐标为(X b12,Y b12), 当满足关系式：
    Y a12＞Y a11；且
    Y b12＞Y b11时，
    所述第一功能模块进行增益调节；或，
    当满足关系式：
    Y a12＜Y a11；且
    Y b12＜Y b11时，
    所述第一功能模块进行减益调节。
  5. 根据权利要求4所述的双指触觉交互方法，其特征在于：所述双指在所述触摸屏相对滑动产生第三触摸信号时，所述左指或右指之一保持不动且所述左指与所述右指沿横轴相对滑动。
  6. 根据权利要求5所述的双指触觉交互方法，其特征在于：所述第三触摸信号至少包括双指的第二初始坐标及自所述第二初始坐标沿横轴相对滑动产生的双指的第二终点坐标，定义所述左指的第二初始坐标为(X a21,Y a21)，所述右指的第二初始坐标为(X b21,Y b21),所述左指的第二终点坐标为(X a22,Y a22)，所述右指的第二终点坐标为(X b22,Y b22)，当满足关系式：
    Figure PCTCN2020100262-appb-100001
    时，
    所述所述第二功能模块进行增益调节；或，
    当满足关系式：
    Figure PCTCN2020100262-appb-100002
    时，
    所述第二功能模块进行减益调节。
  7. 根据权利要求1所述的双指触觉交互方法，其特征在于：所述第一振动反馈为一高频短信号。
  8. 根据权利要求6所述的双指触觉交互方法，其特征在于：所述第二振动反馈及所述第三振动反馈至少包括一高频长信号，当所述功能调节为增益调节时，所述高频长信号的振幅随增益调节逐渐增强，当所述功能调 节减益调节时，所述高频长信号的振幅随减益调节逐渐减小。
  9. 根据权利要求8所述的双指触觉交互方法，其特征在于：所述高频长信号包括对应第二振动反馈的第一高频长信号及对应第三振动反馈的第二高频长信号，所述第一高频长信号与第二高频长信号之间至少频率不同。
  10. 根据权利要求9所述的双指触觉交互方法，其特征在于：所述第二振动反馈及所述第三振动反馈还包括在双指滑动过程中持续产生的若干振动短信号，若干振动短信号随着增益调节振幅逐渐增强，若干振动短信号随着减益调节振幅逐渐减小。
  11. 一种车载触控终端，其至少包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，其特征在于，所述处理器执行所述计算机程序时，实现如权利要求1至10任一所述双指触觉交互方法。
  12. 一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，其特征在于，所述处理器执行所述计算机程序时，实现如权利要求1至10任一所述双指触觉交互方法。
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