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FPGA Components for Integrating FPGAs into Robot Systems
Takeshi OHKAWA Kazushi YAMASHINA Hitomi KIMURA Kanemitsu OOTSU Takashi YOKOTA
Publication
IEICE TRANSACTIONS on Information and Systems
Vol.E101-D
No.2
pp.363-375
Publication Date: 2018/02/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.2017RCP0011
Type of Manuscript: Special Section PAPER (Special Section on Reconfigurable Systems)
Category: Emerging Applications
Keyword:
FPGA, component-oriented development, ROS, ROS-compliant FPGA component, robot,
Full Text: PDF>>
Summary:
A component-oriented FPGA design platform is proposed for robot system integration. FPGAs are known to be a power-efficient hardware platform, but the development cost of FPGA-based systems is currently too high to integrate them into robot systems. To solve this problem, we propose an FPGA component that allows FPGA devices to be easily integrated into robot systems based on the Robot Operating System (ROS). ROS-compliant FPGA components offer a seamless interface between the FPGA hardware and software running on the CPU. Two experiments were conducted using the proposed components. For the first experiment, the results show that the execution time of an FPGA component for image processing was 1.7 times faster than that of the original software-based component and was 2.51 times more power efficient than an ordinary PC processor, despite substantial communication overhead. The second experiment showed that an FPGA component for sensor fusion was able to process multiple sensor inputs efficiently and with very low latency via parallel processing.
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