基于IAP15F2K61S2的多驱动控制救援服务小车
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摘要
为了降低在灾害中救援人员受到的风险,设计了一款基于IAP单片机的多驱动控制救援服务小车。该小车采用语音、键盘和红外无线控制3种驱动控制方式。语音和键盘无线控制分别采用LD3320语音芯片,以及矩阵键盘来采集指令,通过SPI通信协议将指令传输给nRF24L01无线电通讯芯片,实现无线控制车载驱动系统;红外无线控制采用基于UPD6122编码芯片的红外遥控器,按照NEC协议编码并发射红外指令,车载驱动系统利用VS1838红外接收器对指令进行接收。车载驱动系统接收到指令后通过L298N电机驱动模块驱动电机,控制小车进行救援活动。实验测试表明,该救援服务小车无线控制可靠性高,系统整体工作稳定。
To reduce the risk of rescuers in the disaster, a multi-drive control service rescue carrier based on IAP MCU was designed. The drive control is divided into three kinds: voice, keyboard and infrared wireless control. In the voice and keyboard wireless control, IC LD3320 and the matrix keyboard are used to collect instructions. The MCU, by SPI protocol, is used to transmit instructions to nRF24 L01, and vehicle drive system is controlled by wireless communications. Infrared wireless controls use infrared emitters which are based on UPD6122. Emitters, by NEC protocol, are used to emit instructions, and instructions are received by VS1838. After receiving the control instructions, L298 N is used to drive motors, and control the car for rescue. Experimental results show that: the rescue carrier distinguishes the control signal accurately and has a good performance of stability.
To reduce the risk of rescuers in the disaster, a multi-drive control service rescue carrier based on IAP MCU was designed. The drive control is divided into three kinds: voice, keyboard and infrared wireless control. In the voice and keyboard wireless control, IC LD3320 and the matrix keyboard are used to collect instructions. The MCU, by SPI protocol, is used to transmit instructions to nRF24 L01, and vehicle drive system is controlled by wireless communications. Infrared wireless controls use infrared emitters which are based on UPD6122. Emitters, by NEC protocol, are used to emit instructions, and instructions are received by VS1838. After receiving the control instructions, L298 N is used to drive motors, and control the car for rescue. Experimental results show that: the rescue carrier distinguishes the control signal accurately and has a good performance of stability.
引文
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[2]Takahiro S,Kenji K.Development of a remote control system for construction machinery for rescue activities with a pneumatic robot[J].Advanced Robotics,2006,20(2):213-232.
[3]Simon K,Joe F,Karen L,et al.Speech production knowledge in automatic speech recognition[J].The Journal of the Acoustical Society of America,2007,121(2):723-742.
[4]钟晨帆.基于LD3320芯片的语音识别系统设计与开发[D].南京:南京大学,2015.
[5]张喜凤,屈宝鹏.基于VHDL的矩阵键盘及显示电路设计[J].现代电子技术,2010,33(16):14-16.
[6]张锐.通过SPI接口协议实现DSP与其它设备的通信[J].国外电子元器件,2003(8):18-20.
[7]孙晔,范蟠果.基于nRF905的无线通信模块在机器人竞赛中的应用[J].测控技术,2007,26(3):53-55.
[8]乔鹿鹿.基于nRF24L01的无线传感器网络研究[D].杭州:杭州电子科技大学,2015.
[9]聂诗良,李磊民.红外遥控信号的一种编码解码方法[J].仪表技术与传感器,2004(8):28-32.
[10]张桂青,陈超,陶亮,等.基于物联网的无线红外转发器的设计[J].测控技术,2015,34(4):116-119.
[11]李维军,韩小刚,李晋.基于单片机用软件实现直流电机PWM调速系统[J].机电一体化,2004,10(5):49-51.
[12]李付军.一种基于80C196KC和L298N的直流电机PWM控制技术[J].自动化技术与应用,2012,31(3):78-81.