Performance Enhancement of Limited-Bandwidth Industrial Control Systems

Abstract

Due to its portability, reliability, flexibility, real time and rich set of QoS support, Data Distribution Service (DDs) middleware became one of the best solutions for real time distributed manufacturing systems. Most of these systems are composed of heterogeneous networked devices where network bandwidth represents a very important resource. Those devices include limited-resources devices, such as sensors, actuators and controllers. Thus, controlling such resource will significantly enhance the overall performance of the network in terms of resource utilization, delay, and throughput; moreover, it reduces the cost of using leased network bandwidth by limiting the amount of bandwidth as much as needed. In this paper we propose a solution for controlling the limited-bandwidth networked manufacturing systems by using DDS; and we describe the DDS QoS polices that support manufacturing systems to control network bandwidth. Furthermore, we evaluate DDS middleware performance over Bluetooth channel by measuring latency, throughput and jitter; and examining different QoS parameters to show their effect on improving the existing limited-bandwidth networks.

Performance Evaluation of DDS-Based Middleware over Wireless Channel for Reconfigurable Manufacturing Systems

“…In [18] Al-Madani et al conducted performance enhancement of limited-bandwidth wireless industrial control system. They carried out experiments to study various performance measures of control data communication using DDS over Bluetooth and LAN.…”

Content-based Filter Publish Subscribe Model for Real-time WSN applications

“…In particular, these features make it more appropriate for applications that use data-centric sensor network. Furthermore, the applications of sensor network have definite properties making Pub/Sub middleware the suitable solution for such environments [6][7] [8].…”

“…In this paper, TinyDDS [10] is middleware is selected because it is standard based middleware. It is the tiny (Lightweight) version of Data Distribution Service (DDS) standard that is standardized by the Object Management Group (OMG) organization in 2003 [8]. Recently, DDS has received a lot of attention from research community and industry.…”