WO2019196366A1 - 一种基于声带振动测量的液压支架语音控制系统及方法 - Google Patents

一种基于声带振动测量的液压支架语音控制系统及方法 Download PDF

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WO2019196366A1
WO2019196366A1 PCT/CN2018/109770 CN2018109770W WO2019196366A1 WO 2019196366 A1 WO2019196366 A1 WO 2019196366A1 CN 2018109770 W CN2018109770 W CN 2018109770W WO 2019196366 A1 WO2019196366 A1 WO 2019196366A1
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unit
button
signal
hydraulic support
voice control
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PCT/CN2018/109770
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English (en)
French (fr)
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司垒
王忠宾
谭超
熊祥祥
刘新华
闫海峰
姚新港
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中国矿业大学
徐州金枫液压技术开发有限公司
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Application filed by 中国矿业大学, 徐州金枫液压技术开发有限公司 filed Critical 中国矿业大学
Priority to AU2018405439A priority Critical patent/AU2018405439B2/en
Publication of WO2019196366A1 publication Critical patent/WO2019196366A1/zh
Priority to ZA2019/07037A priority patent/ZA201907037B/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/148—Wireless transmission of signals or commands
    • 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
    • G06F3/16—Sound input; Sound output
    • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback

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  • the invention belongs to the technical field of hydraulic support control, and particularly relates to a hydraulic support voice control system and method based on vocal cord vibration measurement.
  • the hydraulic support is a kind of hydraulic power device that uses the pressure of the liquid to generate the support force and realizes the automatic transfer to support and manage the roof. It is an indispensable accessory equipment for comprehensive mechanized coal mining.
  • the control technology of hydraulic supports has been greatly developed.
  • the hydraulic support control requires multiple sets of buttons to perform various motion control, which is not only complicated in operation, but also easy to operate due to insufficient light in the fully mechanized working face.
  • Voice control is a new type of non-contact control.
  • the existing voice control system generally uses a microphone to collect voice signals.
  • the object of the present invention is to provide a hydraulic support voice control system and method based on vocal cord vibration measurement.
  • the system and method can realize accurate recognition of voice control commands in a noisy environment, and the operation is simple, and can be used as an auxiliary control mode. To ensure the normal operation of the hydraulic support.
  • a hydraulic support voice control system based on vocal cord vibration measurement includes an operation portion and an execution feedback portion, the operation portion including a vibration measurement unit, a signal amplification unit, a vibration signal A/D conversion unit, and a signal processing unit , button unit, data storage unit, wireless signal transceiving unit, voice signal D/A conversion unit, broadcasting unit and power supply unit, vibration measuring unit is connected with vibration signal A/D conversion unit through signal amplifying unit, vibration signal A/D conversion
  • the unit is connected to the signal processing unit, and the signal processing unit is respectively connected with the button unit, the data storage unit, the wireless signal transceiving unit, the voice signal D/A conversion unit, the voice signal D/A conversion unit is connected with the broadcasting unit, and the power supply unit is each The unit is powered; the execution feedback part is a hydraulic bracket controller wireless transceiver unit, and the hydraulic bracket controller wireless transceiver unit is wirelessly connected with the wireless signal transceiver unit.
  • the button unit includes a confirmation button, an action command input button, a bracket number input button, a memory button, a cancel button, and an on key.
  • the action command input button includes eleven kinds of hydraulic support actions, wherein the eleven kinds of hydraulic support actions are: descending column, moving frame, lifting column, pushing and sliding, receiving and helping, extending the protective arm, and receiving the side guard
  • the side guards are extended, the horizontal jacks are extended, the balance jacks and the brackets are automatically lowered.
  • the memory key includes a memory key I, a memory key II, and a memory key III.
  • the vibration measuring unit is an acceleration sensor, and the acceleration sensor is attached to the outer skin of the joint between the lower jaw and the neck of the operator.
  • the signal processing unit is a DSP processor, and the model of the DSP processor is TMS320VC5502.
  • the sounding unit is an earplug type, and the sounding unit is fixed on an operator's helmet.
  • a method for voice control of a hydraulic support based on vocal cord vibration measurement comprising the following steps:
  • the switch key in the button unit Pressing the switch key in the button unit to pre-acquire the vocal cord vibration signals of the standard voice control commands of different operators, and after saving, form a voice library, and switch the voice library of different operators through the memory key;
  • the control command includes a bracket number corresponding to the hydraulic support of the working surface and a bracket motion command;
  • bracket number input button in the button unit, and speaks the bracket number to be controlled, and the system will collect the voiceband vibration signal of the voice control command and the standard voice control command pre-acquired in step (1).
  • the vocal cord vibration signal is matched, and the broadcasting unit prompts the matched bracket number. If the matching is consistent, press the confirm button in the button unit; if the matching is inconsistent, press the cancel button in the button unit, and then press the button unit again.
  • the bracket number input key is used for matching again;
  • the wireless signal transceiver unit receives the control signals of steps (3) and (4) and sends the control signals to the wireless support unit of the hydraulic support controller, and the wireless transceiver unit of the hydraulic support controller controls the corresponding hydraulic pressure through the hydraulic support system of the hydraulic support.
  • the bracket completes the corresponding action, and feeds back the status information of the hydraulic support to the broadcasting unit.
  • the broadcasting unit prompts whether the hydraulic support action is completed. If the work is completed, the work is finished and the open key in the button unit is pressed again. If not, the button is pressed. The cancel button in the unit, and then press the bracket number input button in the button unit to return to step (3).
  • the invention is simple in operation, and the operator only needs to speak the corresponding voice control command, and the hydraulic bracket will perform corresponding actions by matching the characteristic parameters of the vocal cord vibration signal of the standard voice control command, only Multiple hydraulic supports can be completed with a single confirmation button, eliminating the need for multiple sets of control buttons.
  • the invention can not only control the action of the hydraulic support in the case that the hydraulic support electrohydraulic control button is difficult to operate or malfunction, prevent the operator from malfunctioning due to insufficient light of the fully mechanized working face, and can realize the voice in the environment with noisy environment. Accurate identification of control commands, as an auxiliary control method to ensure the normal operation of the hydraulic support.
  • Figure 1 is a schematic diagram of the system of the present invention
  • a hydraulic support voice control system based on vocal cord vibration measurement includes an operation portion and an execution feedback portion, the operation portion including a vibration measurement unit, a signal amplification unit, a vibration signal A/D conversion unit, and signal processing.
  • the conversion unit is connected to the signal processing unit, and the signal processing unit is respectively connected with the button unit, the data storage unit, the wireless signal transceiving unit, the voice signal D/A conversion unit, and the voice signal D/A conversion unit is connected with the broadcasting unit, and the power supply unit is the above
  • the execution feedback portion is a hydraulic bracket controller wireless transceiver unit, and the hydraulic bracket controller wireless transceiver unit is wirelessly connected to the wireless signal transceiver unit.
  • the button unit includes a confirmation button, an action command input button, a bracket number input button, a memory button, a cancel button and an on-key; the confirmation button is used to determine whether the broadcast unit broadcast content matches the voice control command spoken by the operator.
  • the action command input key is used for collecting and matching the motion of the bracket, the memory key is used for switching and selecting the voice library of different operators, the cancel key is used to cancel the state of the button where the current system is located, and the key is used to control the opening of the entire system. And off.
  • the action command input button includes eleven kinds of hydraulic support actions, wherein the eleven kinds of hydraulic support actions are: descending column, moving frame, lifting column, pushing and pulling, receiving and helping, extending the protective arm, closing the side guard, and extending the side
  • the guard plate, the flat cross jack, the extension balance jack and the bracket linkage automatically drop and rise.
  • the memory key includes a memory key I, a memory key II and a memory key III, and the memory key I, the memory key II and the memory key III respectively represent a voice library of three different operators.
  • the vibration measuring unit is an acceleration sensor, which has the characteristics of small size, high sensitivity, and the like, and can be conveniently attached to the outer skin of the joint between the lower jaw and the neck of the operator.
  • the signal processing unit is a DSP processor, and the model of the DSP processor is TMS320VC5502, which has the characteristics of high performance, low cost, low power consumption and the like.
  • the sounding unit is an earbud type, and the sounding unit is fixed on the operator's helmet, which is convenient for the operator to carry and use.
  • a method for voice control of a hydraulic support based on vocal cord vibration measurement includes the following steps:
  • the vocal cord vibration signal of the standard voice control command of three different operators is collected in advance by the acceleration sensor, the vocal cord vibration signal is amplified by the signal amplifying unit, and then the vibration signal A/D conversion unit is used. After being converted into a digital signal, it is transmitted to the signal processing unit, and the signal processing unit extracts the characteristic parameters and stores them through the data storage unit to form three different speech libraries, and respectively switches through the memory key I, the memory key II and the memory key III.
  • the operator's voice library standard voice control commands include the bracket number corresponding to the hydraulic bracket (if there are 150 sets of hydraulic brackets on the working surface, the bracket number is 1 to 150) and the bracket motion command (lowering column, moving frame, lifting column, pushing) Slip, cover, help, close the guard, extend the side guard, close the horizontal jack, extend the balance jack and the bracket linkage automatically drop and lift);
  • the acceleration sensor amplifies the measured vocal cord vibration signal through the signal amplification unit, and then converts it through the vibration signal A/D conversion unit.
  • the signal processing unit extracts the characteristic parameter and matches with the vocal cord vibration signal characteristic parameter of the standard voice control command stored in advance in step (1), and at the same time, the signal processing unit extracts the characteristic parameter.
  • the voice signal is converted into a voice signal by the D/A conversion unit, and the voice signal is transmitted to the broadcasting unit, and the broadcasting unit prompts the matched bracket number. If the matching is consistent, the confirmation button in the button unit is pressed; if the matching is inconsistent, the button unit is pressed. In the cancel button, then press the bracket number input button in the button unit again to match again;
  • the signal processing unit extracts the characteristic parameter and matches with the vocal cord vibration signal characteristic parameter of the standard voice control command stored in advance in step (1), and at the same time, the signal processing unit extracts the characteristic parameter.
  • the voice signal is converted into a voice signal by the D/A conversion unit, and the voice signal is transmitted to the sounding unit, and the sounding unit prompts the matched bracket to move. If the matching is consistent, the confirmation button in the button unit is pressed; if the matching is inconsistent, the button unit is pressed. In the cancel button, then press the action command input button in the button unit again to match again;
  • the wireless signal transceiver unit receives the control signals of steps (3) and (4) and sends the control signals to the wireless support unit of the hydraulic support controller, and the wireless transceiver unit of the hydraulic support controller controls the corresponding hydraulic pressure through the hydraulic support system of the hydraulic support.
  • the bracket completes the corresponding action, and simultaneously sends the hydraulic bracket state information to the wireless signal transceiver unit through the wireless bracket transceiver wireless signal transceiver unit, and the wireless signal transceiver unit transmits the bracket action state to the signal processing unit, and the signal processing unit extracts the feature and the parameter
  • the voice signal is converted into a voice signal by the D/A conversion unit, and the voice signal is transmitted to the sounding unit, and the sounding unit prompts whether the hydraulic support action is completed. If the work is completed, the work is finished and the open key in the button unit is pressed again. If not, the button is pressed. Press the Cancel button in the lower button unit, and then press the bracket number input button in the button unit to return to step (3).

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Abstract

一种基于声带振动测量的液压支架语音控制系统及方法，通过振动测量单元将操作人员的声带振动转换成相应的电信号；信号放大单元对其进行放大，然后通过振动信号A/D转换单元转换后传递给信号处理单元进行分析处理，得到该声带振动信号对应的语音控制命令，再与标准语音控制命令进行比较匹配，识别出操作人员的声带，并通过无线信号收发单元将该声带对应的控制信号发送给液压支架控制器无线收发单元，同时液压支架控制器无线收发单元反馈液压支架状态参数。

Description

一种基于声带振动测量的液压支架语音控制系统及方法 技术领域
本发明属于液压支架控制技术领域，具体涉及一种基于声带振动测量的液压支架语音控制系统及方法。
背景技术
液压支架是一种利用液体压力产生支撑力并实现自动移设来进行顶板支护和管理的一种液压动力装置，是综合机械化采煤不可缺少的配套设备。经过多年的技术积累，液压支架的控制技术得到了长足的发展。但是由于综采工作面工作空间比较狭窄，特别是发生片帮导致操作工人无法靠近时，操作工人不易甚至无法直接操作液压支架电液控按键，使得液压支架无法得到正常的控制，另外，现有的液压支架控制需要多组按键进行各个动作控制，不仅操作复杂，而且由于综采工作面光线不足容易发生误操作现象。
语音控制是一种新型的非接触式控制方式，现有的语音控制系统一般是采用麦克风采集语音信号，但由于综采工作面噪声较大，工作环境复杂，很难实现语音控制命令的精准识别。
发明内容
本发明的目的在于提供一种基于声带振动测量的液压支架语音控制系统及方法，该系统及方法在环境嘈杂的情况下能够实现语音控制命令的精准识别，操作简单，可作为一种辅助控制方式来保证液压支架的正常工作。
为实现上述目的，一种基于声带振动测量的液压支架语音控制系统，包括操作部分和执行反馈部分，所述操作部分包括振动测量单元、信号放大单元、振动信号A/D转换单元、信号处理单元、按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元、播音单元和供电单元，振动测量单元通过信号放大单元与振动信号A/D转换单元连接，振动信号A/D转换单元与信号处理单元连接，信号处理单元分别与按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元连接，语音信号D/A转换单元与播音单元连接，供电单元为上述各个单元供电；所述执行反馈部分为液压支架控制器无线收发单元，液压支架控制器无线收发单元与无线信号收发单元无线连接。
进一步的，所述的按键单元包括确认键、动作命令输入键、支架号输入键、记忆键、取消键和开关键。
进一步的，所述动作命令输入键包括十一种液压支架动作，其中十一种液压支架动作为：降柱、移架、升柱、推溜、收护帮、伸护帮、收侧护板、伸侧护板、收平横千斤顶、伸平衡千斤顶和支架联动自动降移升。
进一步的，所述记忆键包括记忆键Ⅰ、记忆键Ⅱ和记忆键Ⅲ。
进一步的，所述振动测量单元为加速度传感器，加速度传感器贴在操作人员下颚与颈部的连接处外表皮。
优选的，所述信号处理单元为DSP处理器，DSP处理器的型号为TMS320VC5502。
优选的，所述播音单元为耳塞式，播音单元固定在操作人员的安全帽上。
一种基于声带振动测量的液压支架语音控制方法，包括以下步骤：
(1)按下按键单元中的开关键，预先采集不同操作人员的标准语音控制命令的声带振动信号，保存后形成语音库，并通过记忆键进行切换不同操作人员的语音库；所述标准语音控制命令包括工作面液压支架对应的支架号和支架动作命令；
(2)操作人员按下按键单元中的记忆键，播音单元提示已选定的语音库，若与操作人员的身份相匹配，则按下按键单元中的确认键；若与操作人员的身份不匹配，则按下按键单元中的取消键，然后重新按下按键单元中的记忆键进行再次匹配；
(3)操作人员按下按键单元中的支架号输入键，并说出要控制的支架号，系统将采集到的语音控制命令的声带振动信号与步骤(1)中预先采集的标准语音控制命令的声带振动信号进行匹配，播音单元提示已匹配的支架号，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键进行再次匹配；
(4)操作人员按下按键单元中的动作命令输入键，并说出要控制的支架动作，系统将采集到的语音控制命令的声带振动信号与步骤(1)中预先采集的标准语音控制命令的声带振动信号进行匹配，播音单元提示已匹配的支架动作，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消 键，然后重新按下按键单元中的动作命令输入键进行再次匹配；
(5)无线信号收发单元接收到步骤(3)和步骤(4)的控制信号并发送至液压支架控制器无线收发单元，液压支架控制器无线收发单元通过液压支架电液控制系统控制对应的液压支架完成相应的动作，同时将液压支架的状态信息反馈给播音单元，播音单元提示液压支架动作是否完成，若完成则工作结束并再次按下按键单元中的开关键，若没有完成则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键返回执行第(3)步。
与现有技术相比，本发明操作简单，操作人员只需说出相应的语音控制命令，通过与标准语音控制命令的声带振动信号特征参数进行匹配，液压支架就会做出相应的动作，只需一个确认键就可以完成多个液压支架动作，无需多组控制按键。本发明不仅在液压支架电液控按键不易操作或者发生故障的情况下能够控制液压支架的动作，防止操作人员由于综采工作面光线不足而产生误操作，而且在环境嘈杂的情况下能够实现语音控制命令的精准识别，作为一种辅助控制方法可保证液压支架的正常工作。
附图说明
图1是本发明的系统原理图；
图2是本发明的方法流程图。
具体实施方式
以下结合附图对本发明作进一步详细说明。
如图1所示，一种基于声带振动测量的液压支架语音控制系统，包括操作部分和执行反馈部分，所述操作部分包括振动测量单元、信号放大单元、振动信号A/D转换单元、信号处理单元、按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元、播音单元和供电单元，振动测量单元通过信号放大单元与振动信号A/D转换单元连接，振动信号A/D转换单元与信号处理单元连接，信号处理单元分别与按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元连接，语音信号D/A转换单元与播音单元连接，供电单元为上述各个单元供电；所述执行反馈部分为液压支架控制器无线收发单元，液压支架控制器无线收发单元与无线信号收发单元无线连接。
所述的按键单元包括确认键、动作命令输入键、支架号输入键、记忆键、取 消键和开关键；所述确认键用于确定播音单元播报内容是否与操作人员说出的语音控制命令匹配，动作命令输入键用于支架动作的采集和匹配，记忆键用于切换和选取不同操作人员的语音库，取消键用于取消当前系统所处的按键状态，开关键用于控制整个系统的开启和关闭。
所述动作命令输入键包括十一种液压支架动作，其中十一种液压支架动作为：降柱、移架、升柱、推溜、收护帮、伸护帮、收侧护板、伸侧护板、收平横千斤顶、伸平衡千斤顶和支架联动自动降移升。
所述记忆键包括记忆键Ⅰ、记忆键Ⅱ和记忆键Ⅲ，记忆键Ⅰ、记忆键Ⅱ和记忆键Ⅲ分别代表三个不同操作工人的语音库。
为了更精确的采集操作人员的声带振动信号，所述振动测量单元为加速度传感器，该加速度传感器具有尺寸小、灵敏度高等特点，能方便的贴在操作人员下颚与颈部的连接处外表皮。
所述信号处理单元为DSP处理器，DSP处理器的型号为TMS320VC5502，其具有高性能、低成本、低功耗等特点。
为了使操作人员更清晰地听到播音单元的提示内容，所述播音单元为耳塞式，播音单元固定在操作人员的安全帽上，该播音单元便于操作人员携带及使用。
如图2所示，一种基于声带振动测量的液压支架语音控制方法，包括以下步骤：
(1)按下按键单元中的开关键，预先通过加速度传感器采集三个不同操作人员的标准语音控制命令的声带振动信号，声带振动信号通过信号放大单元放大，再通过振动信号A/D转换单元转换为数字信号后传输至信号处理单元，信号处理单元提取特征参数并通过数据存储单元进行存储形成三个不同的语音库，并分别通过记忆键Ⅰ、记忆键Ⅱ和记忆键Ⅲ进行切换三个操作人员的语音库；标准语音控制命令包括液压支架对应的支架号(若工作面有150组液压支架，支架号即为1～150)和支架动作命令(降柱、移架、升柱、推溜、收护帮、伸护帮、收侧护板、伸侧护板、收平横千斤顶、伸平衡千斤顶和支架联动自动降移升)；
(2)操作人员按下按键单元中的记忆键Ⅰ/记忆键Ⅱ/记忆键Ⅲ，记忆键Ⅰ/记忆键Ⅱ/记忆键Ⅲ将存储的信号通过信号处理单元传输至语音信号D/A转换单元，语音信号D/A转换单元将存储的特征参数转换为语音信号，语音信号传输 至播音单元，播音单元提示已选定的语音库(操作员一/操作员二/操作员三请开始操作)，若与操作人员的身份相匹配，则按下按键单元中的确认键；若与操作人员的身份不匹配，则按下按键单元中的取消键，然后重新按下按键单元中的记忆键进行再次匹配；
(3)操作人员按下按键单元中的支架号输入键，并说出要控制的支架号，加速度传感器将测量的声带振动信号通过信号放大单元放大后，再通过振动信号A/D转换单元转换为数字信号后传输至信号处理单元，信号处理单元提取特征参数并与步骤(1)中预先采集存储的标准语音控制命令的声带振动信号特征参数进行匹配，同时，信号处理单元将提取的特征参数通过语音信号D/A转换单元转换为语音信号，语音信号传输至播音单元，播音单元提示已匹配的支架号，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键进行再次匹配；
(4)操作人员按下按键单元中的动作命令输入键，并说出要控制的支架动作，加速度传感器将测量的声带振动信号通过信号放大单元放大后，再通过振动信号A/D转换单元转换为数字信号后传输至信号处理单元，信号处理单元提取特征参数并与步骤(1)中预先采集存储的标准语音控制命令的声带振动信号特征参数进行匹配，同时，信号处理单元将提取的特征参数通过语音信号D/A转换单元转换为语音信号，语音信号传输至播音单元，播音单元提示已匹配的支架动作，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消键，然后重新按下按键单元中的动作命令输入键进行再次匹配；
(5)无线信号收发单元接受到步骤(3)和步骤(4)的控制信号并发送至液压支架控制器无线收发单元，液压支架控制器无线收发单元通过液压支架电液控制系统控制对应的液压支架完成相应的动作，同时将液压支架状态信息通过液压支架控制器无线信号收发单元发送至无线信号收发单元，无线信号收发单元将支架动作状态传输至信号处理单元，信号处理单元提取特征并参数并通过语音信号D/A转换单元转换为语音信号，语音信号传输至播音单元，播音单元提示液压支架动作是否完成，若完成则工作结束并再次按下按键单元中的开关键，若没有完成则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键返回执行第(3)步。

Claims (8)

  1. 一种基于声带振动测量的液压支架语音控制系统，其特征在于，包括操作部分和执行反馈部分，所述操作部分包括振动测量单元、信号放大单元、振动信号A/D转换单元、信号处理单元、按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元、播音单元和供电单元，振动测量单元通过信号放大单元与振动信号A/D转换单元连接，振动信号A/D转换单元与信号处理单元连接，信号处理单元分别与按键单元、数据存储单元、无线信号收发单元、语音信号D/A转换单元连接，语音信号D/A转换单元与播音单元连接，供电单元为上述各个单元供电；所述执行反馈部分为液压支架控制器无线收发单元，液压支架控制器无线收发单元与无线信号收发单元无线连接。
  2. 根据权利要求1所述的一种基于声带振动测量的液压支架语音控制系统，所述的按键单元包括确认键、动作命令输入键、支架号输入键、记忆键、取消键和开关键。
  3. 根据权利要求2所述的一种基于声带振动测量的液压支架语音控制系统，所述动作命令输入键包括十一种液压支架动作，其中十一种液压支架动作为：降柱、移架、升柱、推溜、收护帮、伸护帮、收侧护板、伸侧护板、收平横千斤顶、伸平衡千斤顶和支架联动自动降移升。
  4. 根据权利要求2或3所述的一种基于声带振动测量的液压支架语音控制系统，所述记忆键包括记忆键Ⅰ、记忆键Ⅱ和记忆键Ⅲ。
  5. 根据权利要求1或2所述的一种基于声带振动测量的液压支架语音控制系统，所述振动测量单元为加速度传感器，加速度传感器贴在操作人员下颚与颈部的连接处外表皮。
  6. 根据权利要求1或2所述的一种基于声带振动测量的液压支架语音控制系统，所述信号处理单元为DSP处理器，DSP处理器的型号为TMS320VC5502。
  7. 根据权利要求1或2所述的一种基于声带振动测量的液压支架语音控制系统，所述播音单元为耳塞式，播音单元固定在操作人员的安全帽上。
  8. 一种基于声带振动测量的液压支架语音控制方法，其特征在于，包括以下步骤：
    (1)按下按键单元中的开关键，预先采集不同操作人员的标准语音控制命令的声带振动信号，保存后形成语音库，并通过记忆键进行切换不同操作人员的语音库；所述标准语音控制命令包括工作面液压支架对应的支架号和支架动作命令；
    (2)操作人员按下按键单元中的记忆键，播音单元提示已选定的语音库，若与操作人员的身份相匹配，则按下按键单元中的确认键；若与操作人员的身份不匹配，则按下按键单元中的取消键，然后重新按下按键单元中的记忆键进行再次匹配；
    (3)操作人员按下按键单元中的支架号输入键，并说出要控制的支架号，系统将采集到的语音控制命令的声带振动信号与步骤(1)中预先采集的标准语音控制命令的声带振动信号进行匹配，播音单元提示已匹配的支架号，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键进行再次匹配；
    (4)操作人员按下按键单元中的动作命令输入键，并说出要控制的支架动作，系统将采集到的语音控制命令的声带振动信号与步骤(1)中预先采集的标准语音控制命令的声带振动信号进行匹配，播音单元提示已匹配的支架动作，若匹配一致则按下按键单元中的确认键；若匹配不一致则按下按键单元中的取消键，然后重新按下按键单元中的动作命令输入键进行再次匹配；
    (5)无线信号收发单元接收到步骤(3)和步骤(4)的控制信号并发送至液压支架控制器无线收发单元，液压支架控制器无线收发单元通过液压支架电液控制系统控制对应的液压支架完成相应的动作，同时将液压支架的状态信息反馈给播音单元，播音单元提示液压支架动作是否完成，若完成则工作结束并再次按下按键单元中的开关键，若没有完成则按下按键单元中的取消键，然后重新按下按键单元中的支架号输入键返回执行第(3)步。
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