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Safety, in automation industrial systems, is a new subdomain, but is receiving attention rapidly. To achieve high production efficiency and to curtail downtime in such systems, there must be appropriate intelligent mechanism in them at the architectural level. This paper presents an intelligent controller architecture that relies on the adjustable speed induction motor drives for safety systems in...
Improvement of contour precision is one of the important issues in counter-following applications. Currently cross-coupled control method is widely adopted in industrial motion controller, which can significantly reduce contouring error composed by multiaxis. Conventional cross-coupled controller, however, is a centralized one which must be implemented as a whole in computer numerical controller (CNC)...
In this paper, an efficient design scheme for implementation of the high-speed CNC position controller (PC) using field programmable gate array (FPGA) technology is presented. The algorithm is implemented using a distributed arithmetic (DA)-based scheme where a look-up-table (LUT) mechanism inside the FPGA is utilized. Two novel DA-based CNC position controllers have been proposed for FPGA implementation...
Conventional CNC system is no longer suited to modern manufacturing system, reconfigurable CNC system has become the research focus recently. This paper introduces a new reconfigurable Fieldbus-based CNC system with an open architecture that offers interoperability and portability, presents the Mechatrolink-II fieldbus for the CNC system, analyses the implementation by adopting component models in...
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