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2007•Modular Machine Tool & Automatic Manufacturing TechniqueRequires access

The Application of RTAI in the Open CNC Motion Controller

Yan Liu

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Abstract

Because Linux is not a real-time OS,the RTAI(Real Time Application Interface) was used in the open CNC motion controller to solve the real-time problem of embedded Linux CNC.RTAI can realize the priority of different kernel parts,real-time interruption mechanism and dynamically scheduling methods.And it is open source software,which make the kernel easy to be modified.This paper has studied the characteristic of the RTAI and the application of open CNC motion controller based on the mpc5200.The result of research has proved that this method is available and can meet the real-time requirements of embedded control system.

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What this paper is about

Because Linux is not a real-time OS,the RTAI(Real Time Application Interface) was used in the open CNC motion controller to solve the real-time problem of embedded Linux CNC.RTAI can realize the priority of different kernel parts,real-time interruption mechanism and dynamically scheduling methods.And it is open source software,which make the kernel easy to be modified.This paper has studied the characteristic of the RTAI and the application of open CNC motion controller based on the mpc5200.The result of research has proved that this method is available and can meet the real-time requirements of embedded control system.

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Available abstract

Because Linux is not a real-time OS,the RTAI(Real Time Application Interface) was used in the open CNC motion controller to solve the real-time problem of embedded Linux CNC.RTAI can realize the priority of different kernel parts,real-time interruption mechanism and dynamically scheduling methods.And it is open source software,which make the kernel easy to be modified.This paper has studied the characteristic of the RTAI and the application of open CNC motion controller based on the mpc5200.The result of research has proved that this method is available and can meet the real-time requirements of embedded control system.

Key concepts: Motion controller, Linux kernel, Embedded system, Controller (irrigation), Computer science, Scheduling (production processes), Kernel (algebra), Software

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