Kurt Stockman

Kurt Stockman
Ghent University | UGhent · Department of Electrical Energy, Systems and Automation

About

23
Publications
3,058
Reads
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73
Citations
Citations since 2017
11 Research Items
52 Citations
2017201820192020202120222023024681012
2017201820192020202120222023024681012
2017201820192020202120222023024681012
2017201820192020202120222023024681012

Publications

Publications (23)
Preprint
Obtaining an accurate parametric model of a mechanism enables optimised control. System identification through noise injection is a common method for obtaining frequency responses which are suited for control design, but not for feedforward control and motion profile optimisation as the response is non-parametric. Especially when the mechanism cons...
Article
Full-text available
Commercial wave energy exploitation will be realised by placing multiple wave energy converters (WECs) in an array configuration. A point-absorber WEC consists of a floating or submerged body to capture wave energy from different wave directions. This point-absorber WEC acts as an efficient wave absorber that is also an efficient wave generator. Op...
Article
Reciprocating mechanisms are widely used in industry because a complex movement is achieved by a simple rotation of the driven axis. Given the tendency to evolve towards more energy-efficient machines and flexible production, motion profile optimization offers a cost-effective solution as it results in large energy savings without any hardware adap...
Conference Paper
Full-text available
With the rise of renewable energy production in the pan-European grid, the need for flexible energy storage is experiencing a rapid increase. Pumped hydropower storage has proven viability due to its long lifespan and cost-effectiveness. The ALPHEUS project will implement pumped hydropower storage for flat topographies to augment grid stability in...
Conference Paper
This paper introduces the concept of modularity as an assembly of multiple, duplicated modules, where each module is a unique set of components. An industrial application, based on the weaving system, is simplified and modeled in a Matlab toolchain. A benchmark case is defined and then compared to an innovative modular architecture. Simulation resu...
Conference Paper
Full-text available
The pan-European power grid is experiencing an increasing penetration of Variable Renewable Energy (VRE). The fluctuating and non-dispatchable nature of VRE hinders them in providing the Ancillary Service (AS) needed for the reliability and stability of the grid. Today’s grid is reliant on synchronous generators. In case of sudden frequency deviati...
Conference Paper
Thermal modeling of induction machines is becoming increasingly important to improve the operational efficiency and performance. Lumped-Parameter Thermal Networks are both flexible and suitable for online use, but their parameters must be well identified to obtain accurate temperature predictions. The convection coefficient between the motor frame...
Poster
Full-text available
The ‘WECfarm’ project has been introduced by UGent and its partners in 2018. Main objective is to experimentally investigate near-field interactions and far-field effects for different Wave Energy Converter (WEC) farm layouts and WEC inter-distances. The obtained database will allow the validation of advanced numerical models. This poster provides...
Conference Paper
Thermal modeling of induction machines is becoming increasingly important with the demand for ever increasing efficient and compactly designed machines. The lumped parameter thermal model is a flexible and computationally cheap method for the temperature analysis inside an induction machine. However, there are a number of thermal parameter values w...
Article
The stability threshold speed caused by rotating damping in rotating machinery is a limitation on the operating speed. The presence of the gyroscopic effect and rotating damping not only cause this unstable effect, both also result in difficulties to and to analyze the system. Although studied extensively in the past, the phenomenon is still diffic...
Article
An ever increasing demand for lighter rotating machinery and higher operating speeds results in a raised probability of instabilities. Rotating damping is one of the reasons, instability occurs. Rotating damping, or rotor internal damping, is the damping related to all rotating parts while non-rotating damping appearing in the non-rotating parts. T...
Article
Over the last decade, forced regulations and a growing social awareness with respect to energy efficiency have resulted in a renewed interest in the research for high efficient electrical machines. When an electrical motor is coupled to a machine, in many cases a gearbox or belt transmission is used. Research shows a lack of information on energy e...
Article
While simulating electrical systems it is often important to determine all the current and voltage signals in a 6 switch voltage source inverter. Typically, the inverter model structure depends on the application it has to supply. As a consequence only a limited number of switching state combinations are modeled. Simulation software often offers bl...
Article
Stepping motors are often used for low-power open-loop positioning. In conventional stepping motor drives, a step rate or speed is imposed. To avoid step loss in open-loop, most stepping motors are driven at maximum current resulting in a poor energy efficiency. However, when position feedback is available, the drive current can be optimised. A pos...
Article
Rotor internal damping is recognized as one of the main causes for instabilities in rotating systems. In a linear speed dependent model, the stability threshold speed can be calculated numerically. However, this threshold depends highly on the modeling choice and mainly on the relation between rotating and nonrotating damping. In this paper, the im...
Conference Paper
Stepping motors are the most used electrical machines for low power positioning. The drive controls the machine so that the rotor performs a fixed angular displacement after each step command pulse. Counting the step command pulses enables open-loop positioning. The vast majority of the stepping motor systems is driven in open-loop. When the rotor...
Conference Paper
The environmental awareness has led to a considerably increasing demand for renewable energy. The majority of renewable energy installations consist of invertor fed systems. In the distribution network, many common power quality phenomena voltage dips, under- and overvoltage, transients, unbalance and harmonic distortion) occur and they affect the...
Article
The paper presents the main recommendations to stakeholders from the international CIGRE/CIRED/UIE joint working group C4.110 aimed at improving the understanding of the compatibility between installations and the electricity supply.
Article
The difficulty of integrating administration and production is referred to as Manufacturing Operations Management (MOM). A Manufacturing Execution System (MES) is the (combination of) software system(s) operating the MOM layer. Production environments are dynamic, with constantly changing products and manufacturing processes. An issue that haven't...
Conference Paper
• Equipment - There is more than only dip related parameters (depth and duration) - Wide range in device behaviour! • Processes - Definition of the PIT concept • All equipment is considered • Engineers from different disciplines join forces and learn from each other • Ongoing activities to validate the framework - Weaving loom manufacturer, steel c...

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