Hardware Resource Manager for Reconfiguration System

Author(s):  
Chih-Tung Lin ◽  
Shi-Jinn Horng ◽  
Yao-Lin Huang
2020 ◽  
Author(s):  
Gregor Schuurman ◽  
Hawkins-Hoffman Cat ◽  
David Cole ◽  
David Lawrence ◽  
John Morton ◽  
...  

2014 ◽  
Vol 926-930 ◽  
pp. 1497-1500
Author(s):  
Xu Yang Chu ◽  
Gang Liu ◽  
Chun Mei Wang ◽  
Kai Zhu ◽  
Da Yun Chen ◽  
...  

This paper describe the principles of Servo Control System of Electrical Discharge Machining Based on PMAC .To meet the requirements of processing and Put forward based on PMAC servo control system. This control system combines hardware resource with PMAC real-time control function. Elaborate human-computer interface developing process.


2011 ◽  
Vol 2011 ◽  
pp. 1-16 ◽  
Author(s):  
Diana Göhringer ◽  
Michael Hübner ◽  
Etienne Nguepi Zeutebouo ◽  
Jürgen Becker

Operating systems traditionally handle the task scheduling of one or more application instances on processor-like hardware architectures. RAMPSoC, a novel runtime adaptive multiprocessor System-on-Chip, exploits the dynamic reconfiguration on FPGAs to generate, start and terminate hardware and software tasks. The hardware tasks have to be transferred to the reconfigurable hardware via a configuration access port. The software tasks can be loaded into the local memory of the respective IP core either via the configuration access port or via the on-chip communication infrastructure (e.g. a Network-on-Chip). Recent-series of Xilinx FPGAs, such as Virtex-5, provide two Internal Configuration Access Ports, which cannot be accessed simultaneously. To prevent conflicts, the access to these ports as well as the hardware resource management needs to be controlled, e.g. by a special-purpose operating system running on an embedded processor. For that purpose and to handle the relations between temporally and spatially scheduled operations, the novel approach of an operating system is of high importance. This special purpose operating system, called CAP-OS (Configuration Access Port-Operating System), which will be presented in this paper, supports the clients using the configuration port with the services of priority-based access scheduling, hardware task mapping and resource management.


Author(s):  
Mostafa Rizk ◽  
Amer Baghdadi ◽  
Michel Jézéquel

Emergent wireless communication standards, which are employed in different transmission environments, support various modulation schemes. High-order constellations are targeted to achieve high bandwidth efficiency. However, the complexity of the symbol-by-symbol Maximum A Posteriori (MAP) algorithm increases dramatically for these high-order modulation schemes. In order to reduce the hardware complexity, the suboptimal Max-Log-MAP, which is the direct transformation of the MAP algorithm into logarithmic domain, is alternatively implemented. In the literature, a great deal of research effort has been invested into Max-Log-MAP demapping. Several simplifications are presented to meet with specific constellations. In addition, the hardware implementations dedicated for Max-Log-MAP demapping vary greatly in terms of design choices, supported flexibility and performance criteria, making them a challenge to compare. This paper explores the published Max-Log-MAP algorithm simplifications and existing hardware demapper designs and presents an extensive review of the current literature. In-depth comparisons are drawn amongst the designs and different key performance characteristics are described, namely, achieved throughput, hardware resource requirements and flexibility. This survey should facilitate fair comparisons of future designs, as well as opportunities for improving the design of Max-Log-MAP demappers.


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