针对风速风向检测仪应具有精度高、可靠性强、检测速度快、检测范围大等特点,设计基于可编程片上系统(System On a Programmable Chip,SOPC)技术的超声波风向风速检测系统.该系统以超声波探测器为风速风向检测传感器,建立超声波风速风...针对风速风向检测仪应具有精度高、可靠性强、检测速度快、检测范围大等特点,设计基于可编程片上系统(System On a Programmable Chip,SOPC)技术的超声波风向风速检测系统.该系统以超声波探测器为风速风向检测传感器,建立超声波风速风向检测算法,实现二维的风速风向检测.该系统对风速风向检测仪的发展具有参考意义.展开更多
In modern manufacturing equipment control area,controller is required to deliver higher computing capability for adopting advanced algorithms to meet speed and accuracy requirements,and reconfigurabilities for changin...In modern manufacturing equipment control area,controller is required to deliver higher computing capability for adopting advanced algorithms to meet speed and accuracy requirements,and reconfigurabilities for changing or(and)adding features or functions.This paper presents a methodology in design and implementation of a high performance and reconfigurable platform for manufacturing equipment control.This methodology is in virtue of system on a programmable chip(SoPC)technolo- gy but replacing the on-chip processor by an external high performance,floating-point digital signal processor(DSP).The appli- cation of the DSP is designed as a multi-threaded framework,which has more flexibilities than a traditional single-loop one.Fur- thermore,the field programmable gate array(FPGA)system can be reconfigured easily and quickly to meet a new requirement by dragging and dropping pre-built components in a SoPC building environment.As a result,the controller platform is more recon- figurable in terms of algorithms and functions.This platform is implemented in a 3-axis milling machine control and the result indicates that the design and implementation presented in this paper is feasible.展开更多
利用ZigBee通信协议栈和可编程片上系统(System On a Programmable Chip,SOPC)技术,实现了两个三维移动天线平台的协调动作与综合控制。通过设计符合Avalon总线标准的自定义步进电机控制模块,减小了步进电机控制的软件开销。使用激光测...利用ZigBee通信协议栈和可编程片上系统(System On a Programmable Chip,SOPC)技术,实现了两个三维移动天线平台的协调动作与综合控制。通过设计符合Avalon总线标准的自定义步进电机控制模块,减小了步进电机控制的软件开销。使用激光测距传感器,实现三维移动平台的精确定位。构建了基于ZigBee技术的分布式无线通信网络。结合μC/OS-Ⅱ实时操作系统,增强了多任务的实时性。系统具有集成度高、可扩展性强、可靠性高和控制精度高的特点。展开更多
文摘针对风速风向检测仪应具有精度高、可靠性强、检测速度快、检测范围大等特点,设计基于可编程片上系统(System On a Programmable Chip,SOPC)技术的超声波风向风速检测系统.该系统以超声波探测器为风速风向检测传感器,建立超声波风速风向检测算法,实现二维的风速风向检测.该系统对风速风向检测仪的发展具有参考意义.
基金Supported by the Foundation:Guangdong Provincial Science and Technology Committee under Grant No.2002C1020407.
文摘In modern manufacturing equipment control area,controller is required to deliver higher computing capability for adopting advanced algorithms to meet speed and accuracy requirements,and reconfigurabilities for changing or(and)adding features or functions.This paper presents a methodology in design and implementation of a high performance and reconfigurable platform for manufacturing equipment control.This methodology is in virtue of system on a programmable chip(SoPC)technolo- gy but replacing the on-chip processor by an external high performance,floating-point digital signal processor(DSP).The appli- cation of the DSP is designed as a multi-threaded framework,which has more flexibilities than a traditional single-loop one.Fur- thermore,the field programmable gate array(FPGA)system can be reconfigured easily and quickly to meet a new requirement by dragging and dropping pre-built components in a SoPC building environment.As a result,the controller platform is more recon- figurable in terms of algorithms and functions.This platform is implemented in a 3-axis milling machine control and the result indicates that the design and implementation presented in this paper is feasible.
文摘利用ZigBee通信协议栈和可编程片上系统(System On a Programmable Chip,SOPC)技术,实现了两个三维移动天线平台的协调动作与综合控制。通过设计符合Avalon总线标准的自定义步进电机控制模块,减小了步进电机控制的软件开销。使用激光测距传感器,实现三维移动平台的精确定位。构建了基于ZigBee技术的分布式无线通信网络。结合μC/OS-Ⅱ实时操作系统,增强了多任务的实时性。系统具有集成度高、可扩展性强、可靠性高和控制精度高的特点。
