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The aim of this manuscript is to present what is Self-Learning production system and how service oriented architecture (SOA) and supporting technologies are bridged together to implement this new concept in the ongoing EU Self-Learning production system project. A brief review of the most recent EU projects that have reported results relevant to the main discussed investigation problems is presented...
The correct designing of today's logistic systems has become an increasingly cumbersome process, especially due to their growing sizes and heterogeneities. While simulation methods provide a means to validate the functional behavior of logistic systems, formal methods allow for proving that the system completely fulfills its specification. This paper presents a novel approach to the formal verification...
Communication delay in network is inevitable issue and it causes discomfort in manipulation of teleoperation systems. One of the solutions for this problem is decorator. Decorator is a technique to decrease the discomfort by modifying visual or auditory feedback based on the other information, which is transmitted with shorter delay, to its operator. In the former study, the artificial modification...
This paper addresses the problem of heterogeneous deformable model accuracy using the finite element methods (FEM). Classic FEM uses predefined shape functions for interpolation and does not account easily for regions of discontinuities. Extended finite element methods (XFEM) use enrichment functions to compensate for the change in an element degrees of freedom (DoFs) in deformable objects. The XFEM...
In the present industrial manufacturing scenario it is required that work cells would be easier to manipulate. Therefore there is a demand for simple orchestration techniques of different industrial devices, such as vision systems, cameras, sensors, PLCs, pocket-PCs. This paper meets this need by implementing a dynamic graphical user interface (GUI) based on the StateCharts concept. The paper describes...
This paper presents the combination of two distinct model driven HMI engineering approaches. Together they setup a complete toolchain that lays the basis for the model driven (semi)automatic generation of flexible, multi-platform HMIs for process industries. The two approaches are autoHMI which derives a concrete UI design from Computer Aided Engineering Data, and XVCML which allows to generate final...
The consideration of energy-related parameters is already in the planning phase an important step towards an energy-autonomous factory. Using Virtual Reality (VR) gives planners an important basis for decision-making with regards to drafting the layout. This potential should also be used for incorporating energy-related parameters. This paper introduces the coupling of a 2D planning system with a...
Spasticity is a common and complex motor disorder that affects more than 12 million persons in the world. There are several studies on spasticity quantification in the literature but there is still a need for measurement improvements. This paper presents the design of a mechatronic device for spasticity quantification, in joint of ankle, elbow and knees. This approach is based on the velocity dependent...
In the last few years, car-like robots became increasingly important. Thus, motion planning algorithms for this kind of problem are needed more than ever. Unfortunately, this problem is computational difficult and so probabilistic approaches like Probabilistic Roadmaps or Rapidly-exploring Randomized Trees are often used in this context. This paper introduces a new concept for robot motion planning...
Feed drives are important mechanical components with extensive industrial applications. This paper first presents a feed drive controller design that considers coupling effects among multi-axis. Although most feed drive controller design ignores coupling effects among multiple axes, inertia force caused by movement at one axis affects contact force between mechanical components at other axes and considering...
Power losses of the motor drive depend to a large extent on the switching frequency, currents, and supply voltage of the power inverter. As these three parameters affect the motor torque and speed, they must be considered in the synthesis of the inverter adjustment algorithms. In this paper, a new toolbox for exploring the modulation techniques is described. Some methods of the load-dependent control...
This paperwork deals with a low-cost actuation solution, based upon induction motors, which was seldom used in the motion control systems, especially for the machine tools feed drives. A simulation approach, based upon a mathematical model of the induction motor, for tuning the controllers of the systems is presented. Experimental researches developed upon a two axes motion control system, both axes...
Failure Mode and Effect Analysis (FMEA) is a standardized approach during the development of safety-relevant systems in order to systematically identify and address the possible system failures as well as analysis their effects. In the case of FlexRay-based distributed systems, the communication network technology is complex and presents high variability due to the large range of allowed topologies...
In order to guarantee high operational availability, the modular industrial equipment requires frequent maintenance, which oftentimes is carried out by the manufacturer. Reports about service technician's activities are stored in maintenance histories. Manufacturers of such equipment would benefit significantly from analysis of recorded maintenance and fault histories for planning of maintenance activities,...
In recent years, computer vision is being applied extensively in industry solution. It allows obtain color, shape and texture information in different situation. But in some applications, resolution and frame rate could limit it due high computation cost. This paper proposes analyze the most recent methods to detect feature in images in order to know the limitation in terms of computational complexity...
Output tracking and disturbance rejection problem is widely applied in servo control systems. Internal model principle is used to design both servo compensator and stabilization compensator in order to realize asymptotically tracking reference input with zero steady-state error, at the mean time, to reject the disturbance. Considering such different input as steps, ramps and sinusoids, different compensators...
Fractal image coding is one of the most prominent compression technologies. It can be also used for industrial applications like image indexing methods and image retrieval methods. On the other hand, GPGPU (General Purpose computing on Graphic Processing Unit) attracts a great deal of attention, which is used for general-purpose computations like numerical calculations as well as graphic processing...
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