WO2019184585A1 - 一种基于WiFi感知控制家用电器的方法及系统 - Google Patents

一种基于WiFi感知控制家用电器的方法及系统 Download PDF

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Publication number
WO2019184585A1
WO2019184585A1 PCT/CN2019/073509 CN2019073509W WO2019184585A1 WO 2019184585 A1 WO2019184585 A1 WO 2019184585A1 CN 2019073509 W CN2019073509 W CN 2019073509W WO 2019184585 A1 WO2019184585 A1 WO 2019184585A1
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Prior art keywords
home appliance
wifi
gesture
signal
instruction
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PCT/CN2019/073509
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English (en)
French (fr)
Inventor
伍楷舜
王建
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深圳大学
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Publication of WO2019184585A1 publication Critical patent/WO2019184585A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803Home automation networks
    • H04L12/2816Controlling appliance services of a home automation network by calling their functionalities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803Home automation networks
    • H04L12/283Processing of data at an internetworking point of a home automation network
    • H04L12/2834Switching of information between an external network and a home network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72415User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72484User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803Home automation networks
    • H04L2012/284Home automation networks characterised by the type of medium used
    • H04L2012/2841Wireless
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/06Details of telephonic subscriber devices including a wireless LAN interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/12Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the present invention belongs to the field of wireless communication technology identification, and in particular, to a method and system for controlling a home appliance based on WiFi sensing.
  • the core principle is to use the machine learning algorithm to calculate and analyze the channel state information of the WiFi device, and to analyze the result to judge the indoor environment state and the behavior of the human hand-held device to achieve the core sensing control function of the product.
  • our products can also act as a WiFi router, repeater function in another case, and of course, can also expand the WiFi media center to download online media resources offline, as a home audio and video entertainment center.
  • the present invention is achieved by a method for controlling a home appliance based on WiFi sensing, the method comprising the following steps:
  • the handheld terminal receives the WiFi signal acquisition gesture action data information
  • the S5 device sends an instruction to the corresponding home appliance to execute the control command according to the address information of the received control command.
  • a further technical solution of the present invention is: before the step S1, the method further includes the following steps:
  • S0 input the MAC address of the home appliance into the handheld end to save the database and set a corresponding gesture instruction.
  • a further technical solution of the present invention is: performing the one-to-one mapping binding in the database for the preset gesture action and the control purpose in the step S3.
  • a further technical solution of the present invention is: the handheld terminal is powered by a rechargeable lithium battery, and the charging interface is a Micro USB interface + 5V charging.
  • a further technical solution of the present invention is: the WiFi signal state change between the handheld terminal and the routing device is detected by the intelligent identification algorithm to determine that the human hand movement interacts with the intelligent home control center.
  • a further technical solution of the present invention is: the gesture includes shaking up and down in a vertical direction, shaking left and right in a horizontal direction, shaking back and forth in a horizontal direction, and tilting 45° in a vertical direction.
  • Another object of the present invention is to provide a system for controlling a home appliance based on WiFi sensing, the system comprising:
  • the handheld terminal is configured to receive a WiFi signal, identify a gesture action according to a change of the WiFi signal, generate a corresponding motion instruction according to the gesture action, and send the instruction to the routing device;
  • a routing device configured to generate a WiFi signal and transmit the signal in a broadcast form, receive a return signal, according to The address of the return signal sends its command signal to the corresponding home appliance;
  • the household appliance the WiFi-enabled household appliance, is configured to receive a corresponding instruction sent by the routing device according to the address, and the control hub performs a corresponding instruction action according to the instruction information.
  • the beneficial effects of the present invention are: integrating a family remote interactive remote control device and a multi-function intelligent router, and having a compact size, which is simple and quick to use the mobile phone WeChat configuration, and uses the channel state information of the WiFi signal in a pioneering manner as an analysis. The basis for judgment. At the same time, the latest machine learning algorithm is combined with the analysis and judgment to quickly and accurately identify the user's gesture action and the home intelligence control.
  • FIG. 1 is a method for controlling a home appliance based on WiFi sensing according to an embodiment of the present invention.
  • FIG. 2 is a flow chart of using a product according to an embodiment of the present invention.
  • FIG. 3 is a working principle diagram of a product according to an embodiment of the present invention.
  • FIG. 4 is an application scenario diagram of a product according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram 1 of a gesture direction according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram 2 of a gesture direction according to an embodiment of the present invention.
  • FIG. 1 is a flow chart showing a method for controlling a home appliance based on WiFi sensing provided by the present invention, which is described in detail as follows:
  • Step S0 inputting the MAC address of the home appliance into the handheld middle end for database storage and setting corresponding gesture instructions; establishing a connection between the handheld terminal and the routing device, and setting the phase gesture and the household appliance in the connected handheld terminal
  • the correspondence relationship is established together with the gesture and motion instruction signals in establishing the mapping relationship.
  • Step S1 establishing a connection between the handheld terminal and the WiFi-enabled home appliance and the WiFi module of the routing device; establishing a connection between the home-supporting WiFi-enabled home appliance and the routing device, when establishing the connection,
  • the connection is automatically connected to the MAC (Media Access Control or Medium Access Control) address, and the home appliance includes a TV, an air conditioner, a refrigerator, a washing machine, etc., and the handheld terminal and the routing device are also established at the same time.
  • WiFi signal connection is automatically connected to the MAC (Media Access Control or Medium Access Control) address, and the home appliance includes a TV, an air conditioner, a refrigerator, a washing machine, etc.
  • Step S2 the handheld terminal receives the WiFi signal acquisition gesture action data information; in the established connection system, performs various gesture actions on the handheld focus, and the handheld terminal collects various gesture actions according to the received signal change, and The collected action is output.
  • Step S3 determining that the collected gesture action data information is matched with a preset gesture action in the database, and if the matching is successful, performing the next step, if the matching is unsuccessful, deleting the gesture action;
  • the gesture action and the control purpose are one-to-one mapping binding. .
  • Step S4 generating a control command according to the physical address information of the matched preset gesture action, and sending the control command to the router; extracting the instruction corresponding to the MAC address information corresponding to the matched gesture action, and sending the MAC address before the command
  • the mapping is sent to the routing device, and the routing device can extract the corresponding address for performing the subsequent action, and the routing device sends the instruction according to the parsed address.
  • Step S5 the device sends an instruction to the corresponding home appliance to execute a control instruction according to the received address information of the control instruction; according to the received control instruction information, the home appliance hub recognizes the instruction, and executes the recognized instruction to complete Control process.
  • the handheld terminal is powered by a rechargeable lithium battery, and the charging interface is a Micro USB interface + 5V charging.
  • the WiFi signal state change between the terminal and the routing device is detected by the intelligent identification algorithm to determine that the person manually interacts with the smart home control center.
  • the gesture includes shaking up and down in the vertical direction, shaking left and right in the horizontal direction, shaking back and forth in the horizontal direction, and tilting 45° in the vertical direction, as shown in FIGS.
  • Another object of the present invention is to provide a system for controlling a home appliance based on WiF, the system comprising:
  • the handheld terminal is configured to receive a WiFi signal, identify a gesture action according to a change of the WiFi signal, generate a corresponding action instruction according to the gesture action, and send the instruction to the routing device;
  • a routing device configured to generate a WiFi signal and transmit the signal in a broadcast form, receive a return signal, and send the command signal to the corresponding home appliance according to the address of the return signal;
  • the home appliance the WiFi-enabled home appliance, is configured to receive a corresponding instruction sent by the routing device according to the address, and the control hub performs a corresponding instruction action according to the instruction information.
  • the handheld device uses the smart recognition algorithm to detect and determine the action performed by the human hand by using the state change of the WiFi signal between the handheld device and the router, and then interacts with the smart home control center through the gesture action of the person.
  • the WiFi signal is a commonly used WiFi signal in the home, that is, a connection between the smart handheld terminal and the home router.
  • the smart handheld device is powered by a lithium battery, has a chargeable and discharge function, and adopts a 5 V Micro USB interface, which is compatible with common mobile phone chargers.
  • the gesture action requires the user to perform a simple preset according to the instruction guide in conjunction with the WeChat client, and triggers device identification when the action matches the preset action, thereby interacting with the intelligent control platform.
  • the gesture performs a mapping binding between the gesture action and the control purpose, that is, selecting different gestures corresponding to different operation purposes.
  • the product has several built-in gestures and provides a way to set user-defined gestures.
  • the several gestures include: shaking up and down, shaking left and right, shaking back and forth, and then setting the difference in the number of shaking to correspond to different gestures.
  • Providing a device intelligent distribution network function greatly facilitates the user's distribution network process. Enter the distribution mode through the device button, scan the QR code through the mobile phone WeChat to enter the web page, and then enter the WiFi password to complete the device connection.
  • the product has built-in related emergency measures, such as detecting whether the device is well connected to the router and the network server; otherwise, the relevant emergency recovery means is activated.
  • the handheld terminal as described in the product application scenario, has the following main functions:
  • [0051] a function of interacting with the home control platform.
  • the home appliance and the home control platform are connected to the WiFi.
  • Our smart terminal is also connected to the control platform.
  • the intelligent algorithm in the device can judge according to the change of the WiFi signal.
  • the user's gesture is sent, and then the device sends the information to the control platform after the gesture is analyzed, and the control platform operates the corresponding control action according to the gesture mapping relationship preset by the user. For example, if the device is shaken twice, the TV performs the operation of switching channels.
  • the distribution network of the device and the preset corresponding to the gesture are all operated on the mobile phone WeChat end, the user enters the public number by scanning the two-dimensional code of the device, and then performs the configuration work of the distribution network and the gesture setting through the corresponding user guidance.
  • the device is connected to the WiFi network at this time, and communicates with the server in the cloud.
  • the device and the server are connected, and the device configures the related database by performing related registration with the server, and simultaneously maps with the mobile phone client, and the user can operate the device by operating on the mobile phone WeChat client. The effect is gone.
  • the user handheld device After the device initialization is completed, the user handheld device performs a corresponding preset action, and the device can operate the corresponding home device according to the gesture action of the user.
  • This product is specially customized based on the open source operating system OpenWrt, and the key information of the WiFi physical layer is obtained by modifying the driver of the wireless network card.
  • the user layer program opens the driver device file, and then receives the data to the application layer, and the application layer checks the received data. If the data verification error occurs, the data will be discarded and received again.
  • the CSI raw data is converted according to the relevant algorithm, and converted into a 3*3*56 CSI matrix of amplification and phase.
  • the detection program is started for detection.
  • the user holds the device and makes a related gesture, and the device can detect the specific action made when the user's handheld device is analyzed.
  • the detecting device transmits the detected user gesture to the home appliance control center, and then the control center performs the control action.
  • the product is a small WiFi computer with WiFi capability powered by a built-in rechargeable lithium battery.
  • the core chip is MT7688, running the customized OpenWrt operating system.
  • our algorithm program is built in the device, which can accurately capture the gestures of the user and send the detected actions to the control center in time.
  • the product will recommend several gestures with the best recognition effect. If these gestures are used, the recognition effect will be very good. If other gestures are used, the effect is normal. If there are several built-in gestures, the match will be higher.
  • the machine learning algorithm is used to analyze the time series-based channel state information of the WiFi. Since the impact of the channel state information of the WiFi signal is different when the human handheld device performs different actions, based on this principle, we can The gestures are determined by detecting different changes of the WiFi channel state information, and if the gesture is matched with the preset gesture, the recognized gesture command is sent to the control hub. Then proceed to the next control process.
  • a function of communicating with a handheld device and having a function of communicating and controlling with a home appliance. Based on the normal home router, the relevant data transmission and electrical control functions are expanded here. This product is not within the scope of the description of the invention.
  • the intelligent sensing device is only responsible for gesture recognition, the recognition result is sent to the control center, and then the actual control of the electrical equipment is performed by the control center.
  • the product has passed relevant safety certification, and has multiple charging and discharging capabilities, and is integrated in the device.
  • gestures are: vertical shaking up and down; horizontal shaking left and right; horizontal shaking back and forth; vertical tilting 45° shaking.
  • the gestures it supports are not limited to these types, and other gestures can be recognized normally.
  • the specific operational effects of these gestures provide the user with the freedom to customize settings.
  • the specific settings are set by the WeChat client's setup wizard.
  • Self-adaptation and self-learning can be performed according to the situation of the WiFi channel and the environment. Can play a good role in different application environments.

Abstract

本发明适用于无线通信技术识别领域,提供了一种基于WiFi感知控制家用电器的方法及系统,包括:S1、将手持终端及支撑WiFi功能的家用电器与路由设备的WiFi模块建立连接;S2、手持终端接收WiFi信号采集手势动作数据信息;S3、判断采集的手势动作数据信息与数据库中的预设的手势动作进行匹配;S4、根据匹配的预设手势动作的物理地址信息生成控制指令发送给路由器;S5设备根据接收的控制指令的地址信息将指令发给对应的家用电器执行控制指令。同时结合最新的机器学习算法进行分析判断,从而快速准确地识别用户的手势动作和家庭智能中控进行交互。

Description

一种基于 WiFi感知控制家用电器的方法及系统 技术领域
[0001] 本发明属于无线通信技术识别领域, 尤其涉及一种基于 WiFi感知控制家用电器 的方法及系统。
背景技术
[0002] 自从人类发明了机器, 就有了人机交互体验的抽象概念。
[0003] 在如今自动化, 智能化蓬勃发展的社会背景下, 人机体验也变得越来越重要; 如今市面上有很多类型的终 端控制产品, 例如通过视频识别, 这类产品因为 要在终端进行视觉识别算法的处理运算, 对终端的运算性能要求比较高, 所以 购买成本略高, 还有就是因为运算量大, 所以电池续航能力较低。 还有一种传 感器类 型的产品, 利用微控制器采集加速度传感器的数据来对用户的动作进 行分析, 并通过某种无线数据传输技 术来传输用户的控制意图, 这类产品成本 低, 功能单一, 并不能满足如今用户的多元化消费娱乐理念。 我 们在基于 WiFi 设备的机器学习算法的二次开发, 使普通的家庭路由器和我们的手持终端产品 在家庭环境中通过无形的 WiFi网络形成了一个具有自适应环境, 自我分辨学习 功能的智能交互场景。 用户通过手持 终端产品, 并做出相关动作来使设备里 的智能机器学习算法进行分析和判断, 并最终分析出用户的具体操 控意图, 然 后通过无线网络把数据传输给相应的控制执行设备, 最终控制家庭电子电气设 备, 实现智能交 互的过程。 其核心原理是运用了机器学习算法对 WiFi设备的信 道状态信息进行运算分析, 通过分析结果来判断室内的环境状态, 和人手持设 备所做出的行为动作以达到产品的核心感知控制功能。 其次我们的产 品在另 一种场合下还可以充当一个 WiFi路由器, 中继器的功能, 当然还可以扩展 WiFi 媒体中心, 用来 离线下载网络媒体资源, 作为家庭影音娱乐中心。
发明概述
技术问题
问题的解决方案 技术解决方案
[0004] 本发明的目的在于提供一种基于 WiFi感知控制家用电器的方法及系统, 旨在解 决上述的技术问题。
[0005] 本发明是这样实现的, 一种基于 WiFi感知控制家用电器的方法, 所述方法包括 以下步骤:
[0006] S1、 将手持终端及支撑 WiFi功能的家用电器与路由设备的 WiFi模块建立连接;
[0007] S2、 手持终端接收 WiFi信号采集手势动作数据信息;
[0008] S3、 判断采集的手势动作数据信息与数据库中的预设的手势动作进行匹配, 如 匹配成功, 则执行下一步, 如匹配不成功, 则删除该手势动作;
[0009] S4、 根据匹配的预设手势动作的物理地址信息生成控制指令发送给路由器;
[0010] S5设备根据接收的控制指令的地址信息将指令发给对应的家用电器执行控制指 令。
[0011] 本发明的进一步技术方案是: 所述步骤 S1前还包括步骤:
[0012] S0、 将家用电器的 MAC地址输入进手持中端进行数据库保存并设置对应手势 指令。
[0013] 本发明的进一步技术方案是: 所述步骤 S3中在数据库中为预设的手势动作与控 制目的进行一一映射绑定。
[0014] 本发明的进一步技术方案是: 所述手持终端采用的是可充电的锂电池供电, 充 电接口采用的是 Micro USB接口 +5V充电。
[0015] 本发明的进一步技术方案是: 手持终端与路由设备之间的 WiFi信号状态变化通 过智能识别算法检测判断人手动作与智能家庭控制中枢进行交互。
[0016] 本发明的进一步技术方案是: 所述手势包括竖直方向上下晃动、 水平方向左右 晃动、 水平方向前后晃动及竖直方向倾斜 45°晃动。
[0017] 本发明的另一目的在于提供一种基于 WiFi感知控制家用电器的系统, 所述系统 包括:
[0018] 手持终端, 用于接收 WiFi信号, 根据 WiFi信号的变化情况识别手势动作, 根据 手势动作生成相对应的动作指令, 并将指令发送给路由设备;
[0019] 路由设备, 用于产生 WiFi信号并将信号以广播形式发送, 接收返回信号, 根据 返回信号的地址将其指令信号发送给相对应的家用电器;
[0020] 家用电器, 支持 WiFi功能的家用电器, 用于接收路由设备根据地址发送的相应 的指令, 控制中枢根据指令信息执行相应的指令动作。
发明的有益效果
有益效果
[0021] 本发明的有益效果是: 集家庭远程交互遥控设备和多功能智能路由器于一体, 体积小巧, 通过手机微信配置, 简单快捷, 开创性地运用了 WiFi信号的信道状 态信息, 来作为分析判断的依据。 同时结合最新的机器学习算法进行分析判断 , 从而快速准确地识别用户的手势动作和家庭智能中控进行交互。
对附图的简要说明
附图说明
[0022] 图 1是本发明实施例提供的基于 WiFi感知控制家用电器的方法。
[0023] 图 2是本发明实施例提供的产品使用流程图。
[0024] 图 3是本发明实施例提供的产品的工作原理图。
[0025] 图 4是本发明实施例提供的产品的应用场景图。
[0026] 图 5是本发明实施例提供的手势方向示意图一。
[0027] 图 6是本发明实施例提供的手势方向示意图二。
发明实施例
本发明的实施方式
[0028] 图 1示出了本发明提供的基于 WiFi感知控制家用电器的方法的流程图, 其详述 如下:
[0029] 步骤 S0, 将家用电器的 MAC地址输入进手持中端进行数据库保存并设置对应 手势指令; 将手持终端与路由设备也建立连接, 在连接好的手持终端中设置相 手势和家用电器的的对应关系, 在建立映射关系中一起建立与手势和动作指令 信号。
[0030] 步骤 S1, 将手持终端及支撑 WiFi功能的家用电器与路由设备的 WiFi模块建立连 接; 将家中支持 WiFi功能的家用电器与路由设备建立连接, 在建立连接时, 可 以采用自动获取 IP连接或指定 IP地址与 MAC(Media Access Control或者 Medium Access Control的缩写)地址对应绑定连接, 其中家用电器包括电视、 空调、 冰箱 及洗衣机等, 手持终端与路由设备也同时建立 WiFi信号连接。
[0031] 步骤 S2, 手持终端接收 WiFi信号采集手势动作数据信息; 在建立好的连接系统 中, 对这手持重点做各种手势动作, 手持终端根据接收的信号变化情况采集各 种手势动作, 并将采集到的动作输出。
[0032] 步骤 S3 , 判断采集的手势动作数据信息与数据库中的预设的手势动作进行匹配 , 如匹配成功, 则执行下一步, 如匹配不成功, 则删除该手势动作; 在数据库 中为预设的手势动作与控制目的进行一一映射绑定。 。
[0033] 步骤 S4, 根据匹配的预设手势动作的物理地址信息生成控制指令发送给路由器 ; 将匹配的手势动作所对应的 MAC地址信息多对应的指令进行提取, 将提起的 指令前将 MAC地址映射进去, 这样将其发给路由设备, 路由设备能够提取到相 应的地址, 用于完成后续的动作, 路由设备根据解析的地址将指令发送过去。
[0034] 步骤 S5 , 设备根据接收的控制指令的地址信息将指令发给对应的家用电器执行 控制指令; 根据接收到的控制指令信息, 家电中枢对其进行识别, 对识别的指 令进行执行, 完成控制过程。
[0035] 所述手持终端采用的是可充电的锂电池供电, 充电接口采用的是 Micro USB接 口 +5V充电。
[0036] 持终端与路由设备之间的 WiFi信号状态变化通过智能识别算法检测判断人手动 作与智能家庭控制中枢进行交互。
[0037] 所述手势包括竖直方向上下晃动、 水平方向左右晃动、 水平方向前后晃动及竖 直方向倾斜 45°晃动, 如图 5、 6所示。
[0038] 本发明的另一目的在于提供一种基于 WiF撼知控制家用电器的系统, 所述系统 包括:
[0039] 手持终端, 用于接收 WiFi信号, 根据 WiFi信号的变化情况识别手势动作, 根据 手势动作生成相对应的动作指令, 并将指令发送给路由设备;
[0040] 路由设备, 用于产生 WiFi信号并将信号以广播形式发送, 接收返回信号, 根据 返回信号的地址将其指令信号发送给相对应的家用电器; [0041] 家用电器, 支持 WiFi功能的家用电器, 用于接收路由设备根据地址发送的相应 的指令, 控制中枢根据指令信息执行相应的指令动作。
[0042] 手持设备, 利用手持设备和路由器之间的 WiFi信号的状态变化情况, 通过智能 识别算法来检测判断出人手所做的动作, 进而通过人的手势动作来与智能家庭 控制中枢进行交互。
[0043] 所述 WiFi信号为家庭常用 WiFi信号, 即智能手持终端和家庭路由器之间连接的
WiFi信号。
[0044] 所述智能手持设备为锂电池供电, 具备可充放电功能, 采用 5 V的 Micro USB接 口, 与普通 常用的手机充电器所兼容。
[0045] 所述手势动作需要用户按照说明书向导结合微信客户端进行简单预设, 当动作 与预设动作相匹 配时才会触发设备识别, 进而与智能控制平台交互。
[0046] 所述手势按照设置向导, 会进行手势动作与控制目的的映射绑定, 也就是选择 不同的手势对应 不同的操作目的。 产品内置了几种手势, 并提供用户自定义手 势的设置方式。
[0047] 所述几种手势包括: 上下晃动, 左右晃动, 前后晃动, 其次还可设置晃动的次 数的不同来对应 不同的手势。
[0048] 提供设备智能配网功能, 极大地方便了用户的配网流程。 通过设备按钮进入配 网模式, 通过手 机微信扫描二维码进入配网页面, 然后输入 WiFi密码即可完成 设备连网。
[0049] 产品内置相关应急预案措施, 例如检测设备是否与路由器和网络服务器连接良 好; 否则启动相 关应急恢复手段。 检测设备的无线状态环境是否与产品预设的 条件相兼容; 如果不兼容则通过相关方式通 知用户进行调整。 检测设备的无 线信道状态信息是否和周围电磁环境干扰严重, 如果严重就启动相关调整措施 来改良。
[0050] 手持终端, 如产品应用场景所描述, 其主要功能有:
[0051] si、 与家庭控制平台进行交互的功能。 实现智能交互体验。 如 4图, 家电与家 庭控制平台进行 WiFi连接, 我们的智能终端也与控制平台连接, 此时, 在设 备配置完成的情况下, 设备中的智能算法可以根据 WiFi信号的变化情况来判断 出用户的手势, 进而当设备分析出手势之后会把这一信息发送给控制平台, 控 制平 台根据用户预设的手势映射关系来操作对应的控制动作。 例如设备摇两 下, 电视机进行切换频道的操作。
[0052] s2、 设备的配网和手势对应的预设都在手机微信端进行操作, 用户通过扫描设 备二维码进入公众号, 再通过相应的用户引导进行配网和手势设定的配置工作
[0053] 如图 2所示, 为产品的使用流程图:
[0054] S3、 设备通电, 然后按设备上的配网按钮, 此时设备进入配网模式。
[0055] s4、 通过手机微信端扫描二维码进入公众号, 然后在用户引导的帮助下, 进行 相关配置。
[0056] s5、 如果按照流程, 设备此时已经连接上 WiFi网络, 并会和云端的服务器进行 通信。
[0057] s6、 此时设备和服务器连通, 设备会通过向服务器进行相关注册来配置相关数 据库, 同时和手机客户端 进行映射, 此时用户通过在手机微信客户端进行操作 , 就可以实现操作设备的效果了。
[0058] s7、 设备首先启动时会根据现场环境进行初始化操作, 然后在初始化完成后, 设备会得出一系列根环境 有关的技术参数。
[0059] s8、 在设备初始化完成后, 用户手持设备做出对应预设动作, 设备就可以根据 用户的手势动作来操作对 应的家庭设备了。
[0060] 如图 3所示, 为产品的大致工作原理图解:
[0061] s9、 本产品基于开源操作系统 OpenWrt进行特别定制, 通过修改无线网卡的驱 动程序来获取 WiFi物理 层的关键信息。
[0062] slO、 然后用户层程序打开驱动设备文件, 然后进行接收数据到应用层, 应用 层会对接收的数据进行校验。 如果数据校验出错, 会丢弃数据, 重新进行接收
[0063] sl l、 然后 CSI原始数据会根据相关算法进行转换, 转换为增幅和相位的 3*3*56 的 CSI矩阵。
[0064] sl2、 然后就是在矩阵的层面对这些数据进行矫正, 滤波。 随后这些数据被放 入数据队列里。
[0065] sl3、 等数据队列的数据量达到一定程度后就启动检测程序进行检测。
[0066] sl4、 其中检测程序分为初始化阶段和实时检测阶段。
[0067] sl5、 其中检测程序的实时检测阶段和前台数据接收程序为多线程调用, 检测 效果实时性更强。
[0068] 用户手持设备, 并做出相关手势, 此时设备能检测分析出用户手持设备时所做 出的具体动作。
[0069] 检测设备把检测到的用户手势传输给家庭电器控制中枢, 然后由控制中枢来实 施控制动作。
[0070] 产品是一个采用内置可反复充电的锂电池供电的具有 WiFi功能的小型 Linux计 算机。 核心芯片为 MT7688, 运行定制化的 OpenWrt操作系统。 其中, 在设备中 内置了我们的算法程序, 该程序可以准确地捕捉到用户的手势动作, 并会把检 测到的动作及时发送给控制中枢。
[0071] 产品会推荐几种识别效果最好的手势, 如果采用这些手势, 识别效果会很好, 如果采用其他手势, 效果一般。 其中如果是内置的几种手势的话那么匹配程度 将比较高。
[0072] 采用机器学习算法对 WiFi的基于时间序列的信道状态信息进行分析, 由于人手 持设备进行不同动作时对 WiFi信号的信道状态信息的影响是有区别的, 所以, 基于这个原理, 我们能通过检测 WiFi信道状态信息的不同变化规律来判断用户 具体做了哪些手势动作, 其中, 如果判断到和预设的某个手势相匹配的话, 就 把识别到的手势指令发送给控制中枢。 进而进行下一步的控制流程。
[0073] 具备与手持设备通信的功能, 具备与家庭电器进行通信和控制的功能。 基于普 通家庭路由器, 在此进行相关数据传输和电器控制功能的扩展。 此产品不在本 发明的描述范围内。 智能感知设备只负责手势识别, 识别结果发送给控制中枢 , 而后由控制中枢进行实际的电器设备的操控。
[0074] 提供设备的电力供应, 产品已通过相关安全性认证, 具备多次充放电能力, 集 成在设备内部。
[0075] 具备连接 WiFi热点的无线网卡硬件, 并能结合程序算法的底层驱动, 获取到重 要业务信息。
[0076] 通过开源 OpenWrt操作系统, 进行应用层逻辑的开发。 核心芯片为联发科 MT76 88。 在操作系统的驱动层和应用层均进行了相关开发。 我们的业务逻辑都在应 用层, 具备模式识别和网络通信的功能。 用户手势的捕捉就是通过分析从内核 驱动传输过来的数据进行判断。
[0077] 几种手势分别为, 竖直方向上下晃动; 水平方向左右晃动; 水平方向前后晃动 ; 竖直方向倾斜 45° 晃动。 其所支持的手势不仅限于这几种, 其他手势也能正 常识别。 其中, 这些手势的具体操作效提供给用户自定义设置的自由。 具体的 设置通过微信客户端的设置向导来进行设置。
[0078] 能根据 WiFi信道的情况和环境的不同进行自我适应, 自我学习。 能在不同的应 用环境中发挥良好作用。
[0079] 以上所述仅为本发明的较佳实施例而已, 并不用以限制本发明, 凡在本发明的 精神和原则之内所作的任何修改、 等同替换和改进等, 均应包含在本发明的保 护范围之内。

Claims

权利要求书
[权利要求 1] 一种基于 WiFi感知控制家用电器的方法, 其特征在于, 所述方法包括 以下步骤:
51、 将手持终端及支撑 WiFi功能的家用电器与路由设备的 WiFi模块 建立连接;
52、 手持终端接收 WiFi信号采集手势动作数据信息;
53、 判断采集的手势动作数据信息与数据库中的预设的手势动作进行 匹配, 如匹配成功, 则执行下一步, 如匹配不成功, 则删除该手势动 作;
54、 根据匹配的预设手势动作的物理地址信息生成控制指令发送给路 由器;
S5设备根据接收的控制指令的地址信息将指令发给对应的家用电器执 行控制指令。
[权利要求 2] 根据权利要求 1所述的基于 WiFi感知控制家用电器的方法, 其特征在 于, 所述步骤 S1前还包括步骤:
S0、 将家用电器的 MAC地址输入进手持中端进行数据库保存并设置 对应手势指令。
[权利要求 3] 根据权利要求 2所述的基于 WiFi感知控制家用电器的方法, 其特征在 于, 所述步骤 S3中在数据库中为预设的手势动作与控制目的进行一一 映射绑定。
[权利要求 4] 根据权利要求 3所述的基于 WiFi感知控制家用电器的方法, 其特征在 于, 所述手持终端采用的是可充电的锂电池供电, 充电接口采用的是
Micro USB接口 +5V充电。
[权利要求 5] 根据权利要求 5所述的基于 WiFi感知控制家用电器的方法, 其特征在 于, 手持终端与路由设备之间的 WiFi信号状态变化通过智能识别算法 检测判断人手动作与智能家庭控制中枢进行交互。
[权利要求 6] 根据权利要求 5所述的基于 WiFi感知控制家用电器的方法, 其特征在 于, 所述手势包括竖直方向上下晃动、 水平方向左右晃动、 水平方向 前后晃动及竖直方向倾斜 45°晃动。
[权利要求 7] 一种基于 WiFi感知控制家用电器的系统, 其特征在于, 所述系统包括 手持终端, 用于接收 WiFi信号, 根据 WiFi信号的变化情况识别手势 动作, 根据手势动作生成相对应的动作指令, 并将指令发送给路由设 备;
路由设备, 用于产生 WiFi信号并将信号以广播形式发送, 接收返回信 号, 根据返回信号的地址将其指令信号发送给相对应的家用电器; 家用电器, 支持 WiFi功能的家用电器, 用于接收路由设备根据地址发 送的相应的指令, 控制中枢根据指令信息执行相应的指令动作。
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