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During the last half century, we have seen several innovations in industrial communication, from the introduction of 4–20mA signals, over digital fieldbuses to Industrial Ethernet and meshed Wireless Sensor Networks. These innovations met the demand for a higher degree of standardization, larger plants, and an increasing number of vertical applications inside the automation systems. With the Industrial...
[Context] In Multi-Disciplinary Engineering (MDE) environments, the engineering of industrial production systems requires the collaboration of engineers coming from different disciplines. Engineers typically apply discipline specific tools and data models with limited collaboration capabilities. These loosely coupled tools and heterogeneous data models hinder efficient change management and defect...
Multi-core CPUs are quickly gaining importance in automotive ECUs. While using multi-core architectures for application integration is meanwhile reasonably well understood, parallelization of existing task sets and partitioning of future computation intensive tasks still shows performance limitations and challenges portability and flexibility. The logical execution time (LET) paradigm has been proposed...
In traditional computing systems, software problems are often resolved by platform restarts. This approach, however, cannot be naïvely used in cyber-physical systems (CPS). In fact, in this class of systems, ensuring safety strictly depends on the ability to respect hard real-time constraints. Several adaptations of the Simplex architecture have been proposed to guarantee safety in spite of misbehaving...
To pave the way towards using adapted wide scale telco technologies within dedicated networks environment, there is a dire need to increase the reliability of the end-to-end communication beyond what is currently offered to individual subscribers towards the levels previously available in operations technology. This can be achieved by adding a new dynamic Software Defined Networks (SDN) routing overlay...
In this paper a flexible robot system for assembly operations in a semi structured environment is proposed. The system uses a moveable robot equipped with an arbitrarily mounted 3D camera and a 2D camera on the robot gripper for accurate object detection. The system is developed based on the Robot Operating System (ROS) and uses the state of the art trajectory planner MoveIt for collision free robot...
In this paper, a power-signature-based Bayesian multi-classifier is proposed to identify various operational modes of a complex machinery system that can help determine the energy contribution of different operation modes, identify potential energy hot-spots and provide basis for more accurate energy consumption calculation. This technology can also help process experts and managers to perform the...
In recent years, Human Robot Cooperation (HRC) has found an increasing adoption in manufacturing, especially to help humans in the execution of manual assembly tasks. An effective employment of HRC encompasses human relief from exhausting operations. Therefore, the design of cooperative solutions should be developed accordingly to ergonomic aspects. The present work proposes an approach to support...
Modern manufacturing systems require fast and effective adaptation to fluctuating market conditions and product diversification. This high level adaptability can be achieved through the utilization of Reconfigurable Manufacturing Systems (RMS), which should be based on modular equipment that is easily integrated, scalable, convertible in terms of functionality, and self diagnosable. RMS also necessitate...
Wireless communication will play an increasingly important role in future factory automation and process control, where the presence of mobile autonomous devices is expected to grow. However, wireless links are prone to errors due to shadowing and multi-path fading, which is even more severe in dynamic environments. These problems can be attenuated by using a mesh backbone to which mobile node connect...
In a remote building management system (BMS) that manages facilities of buildings or factories, there is an application called a crawler that collects statuses of facilities via a network. By running a crawler on a Virtual Machine (VM) for each building owner, operators of the remote BMS can limit influence of a failure of one crawler and can reduce the number of physical machines in the remote BMS...
Programming industrial robots requires experts -not only to create the robot applications, but also for changing them later due to different product requirements. Part of the reason for this is that all robot vendors provide their own robot programming language. Due to the language differences, robot applications cannot be reused for different robot types. Often, additional experts are required since...
The aim of the paper is to provide an optimal placement of sensors for inhabitant location tracking in smart homes, by using only motion detectors. In particular, motion detectors are binary sensors largely used in ambient assisted living applications because they are low cost, non-intrusive and privacy sensors. An approach to optimize the placement of motion detectors in a real home environment by...
A practical method for the design of an in-vehicle wireless sensor network operating in a truck is presented. The network has been dimensioned using promising candidate sensor applications that were chosen based on a set of key criteria including safety, security, and timing-criticality and commercial viability. An extensive set of experiments were carried out to determine characteristics, feasibility...
The Generalized Predictive Controller (GPC) is a preferred controller implementation method in the Networked Control System (NCS). However, the prediction feature of the standard GPC weakens the ability for fast detection of cyber-attack on the remote plant side. This paper proposes an Intelligent Generalized Predictive Controller (IGPC) as an enhancement for the standard GPC. The IGPC is designed...
The presented PROFIBUS DP Slave Shield creates a link between a PROFIBUS DP network and a microcontroller or embedded controller. The hardware can be used as an extension module for different embedded controllers with sufficiently fast IO. The system opens possibilities to connect virtual systems or Hardware-In-the-Loop systems running real-time MATLAB models to a PROFIBUS DP network running up to...
This paper presents new changes and improvements in the architecture of a programming paradigm Service Oriented SystemJ (SOSJ) to tackle large distributed systems. The programming paradigm makes use of the synergy of two programming concepts of Service Oriented Architecture (SOA) suitable for dynamic system composition and formal GALS (Globally Asynchronous Locally Synchronous) language SystemJ amenable...
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