amiam_RTCSA11

Control-Quality Driven Task Mapping for Distributed Embedded Control Systems

Amir Aminifar
 
Soheil Samii
Petru Eles Author homepage
 
Zebo Peng Author homepage

17th IEEE Intl. Conf. on Embedded and Real-Time Computing Systems and Applications (RTCSA 2011), Toyama, Japan, August 29-31, 2011.

ABSTRACT
Many embedded control systems are implemented on execution platforms with several computation nodes and communication components. Distributed embedded control systems typically comprise multiple control loops that share the available computation and communication resources of the platform. It is well known that such resource sharing leads to complex delay characteristics that degrade the control quality if not properly taken into account at design time. Scheduling in computation nodes and communication infrastructure, as well as execution periods of the controllers impact the delay characteristics and, consequently, the control quality. In addition, mapping of tasks on computation nodes affect both scheduling of tasks and messages, and the assignment of periods of the control applications. Therefore, control synthesis must be considered during mapping, scheduling, and period assignment in order to achieve high control quality. This paper presents a control-quality optimization approach for integrated mapping, scheduling, period selection, and control synthesis for distributed embedded control systems.


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[ASEP11] Amir Aminifar, Soheil Samii, Petru Eles, Zebo Peng, "Control-Quality Driven Task Mapping for Distributed Embedded Control Systems", 17th IEEE Intl. Conf. on Embedded and Real-Time Computing Systems and Applications (RTCSA 2011), Toyama, Japan, August 29-31, 2011.
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