Publications by Paul Xirouchakis

Advanced sensor signal feature extraction and pattern recognition for wire EDM process monitoring

Wire electrical discharge machining (WEDM) is investigated in the perspective of zero-defect manufacturing with the scope to detect anomalous process conditions leading to typical defects generated during WEDM, i.e. the occurrence of lines and marks on the ...

Elsevier Science Bv2016

Medial axis transformation as a solid modeling representation method for computer aided design software

Paul Xirouchakis, Ian Anthony Stroud, Florian Barras, Mihai-Bogdan Lazar, Guillaume Goualard

A method for achieving a representation of an object within a data structure for a Computer Aided Design system employing a Medial Axis Transformation (MAT), the representation of the object comprising a set of adjacent bounded surface elements called MAT ...

2016

Wire EDM Monitoring for Zero-Defect Manufacturing based on Advanced Sensor Signal Processing

Paul Xirouchakis, Roberto Pérez

In the framework of zero-defect manufacturing, an advanced sensor monitoring procedure aimed at detecting the process conditions leading to surface defects in Wire Electrical Discharge Machining (WEDM) is proposed. WEDM experimental tests were carried out ...

Elsevier Science Bv2015

Degradation mode and criticality analysis based on product usage data

Dimitrios Kyritsis, Paul Xirouchakis, Jongho Shin

Over the last decade, a rapid development of internet, wireless mobile telecommunication, and product identification technologies make whole product life cycle visible and controllable, which can improve several operational issues over the whole product li ...

Springer London Ltd2015

A holistic production planning approach in a reconfigurable manufacturing system with energy consumption and environmental effects

Paul Xirouchakis, Yong Chan Choi

Consideration for the energy consumption and environmental impacts is required depending on the changed capacity under a flexible and reconfigurable manufacturing environment. This article focuses on a holistic production planning approach in a reconfigura ...

Taylor & Francis Ltd2015

A production scheduling problem with uncertain sequence-dependent set-up times and random yield

Paul Xirouchakis, Byung Jun Joo

A scheduling problem in a real production line with uncertain sequence-dependent set-up times and a random yield is considered. The production line can produce multiple product types as production lots, each of which is composed of a number of products of ...

Taylor & Francis Ltd2015

Design modification supporting method based on product usage data in closed-loop PLM

Dimitrios Kyritsis, Paul Xirouchakis, Jongho Shin

Thanks to recent technology related to product monitoring and data communication, it is now possible for a company to gather various kinds of product usage data during its operation in a ubiquitous way. However, the application of the newly gathered data i ...

Taylor & Francis Ltd2015

Design of a semantic knowledge base to support the product development process

Paul Xirouchakis, Predrag Spasojevic

New product development today is a knowledge-heavy process, but very often this knowledge is not adequately handled, it’s not made readily available to the actors, or is lost within or between similar projects. Furthermore, different legacy tools and data ...

2014

A production planning in highly automated manufacturing system considering multiple process plans with different energy requirements

Paul Xirouchakis, Yong Chan Choi

This paper focuses on a production planning problem in a highly automated manufacturing system considering multiple process plans with different energy requirements. The system consists of several closely interconnected sub-systems such as the processing s ...

Springer London Ltd2014

A general model of the product development process correlated with the architecture of a semantic software support system

Paul Xirouchakis, Predrag Spasojevic

The product development process (PDP) in innovative companies is becoming more and more complex, encompassing many very diverse activities, and involving a fairly big number of actors, spread across different professions, teams and organizations. One of th ...

2013

Selection of Optimal Cutting Conditions for Pocket Milling Using Genetic Algorithm

Paul Xirouchakis, Saurabh Aggarwal

Pocket milling is the most known machining operation in the domains of aerospace, die and mold manufacturing. In the present work, GA-OptMill, a Genetic Algorithm (GA) based optimization system for minimization of pocket milling time, is developed. A wide ...

Springer London Ltd2013

Compatible Component Selection Under Uncertainty Via Extended Constraint Satisfaction Approach

Paul Xirouchakis, Duck Young Kim

This paper deals with compatible component selection problems, where the goal is to find combinations of components satisfying design constraints given a product structure, component alternatives available in design catalogue for each subsystem of the prod ...

Univ Cincinnati Industrial Engineering2012

Cutting torque and tangential cutting force coefficient identification from spindle motor current

Paul Xirouchakis, Nenad Nesic, Saurabh Aggarwal

This article presents an enhanced methodology for cutting torque prediction from the spindle motor current, readily available in modern machine tool controllers. This methodology includes the development of the spindle power model which takes into account ...

Springer-Verlag2012

Green Computing as an Ecological Aid in Industry

Paul Xirouchakis, Ian Anthony Stroud, Ioan Oliver Avram

This chapter concerns the use of computing for ecological evaluation in the manufacturing industry. Here, ecological evaluation means identification and quantisation of various manufacturing process characteristics from the point of view of the environment ...

IGI Global2012

High Speed Pocket Milling Optimisation

Paul Xirouchakis, Sandeep Dhanik, Saurabh Aggarwal

The invention relates to a method of toolpath generation and cutting parameters optimization for high speed milling of a convex pocket, wherein said method comprises a first sub-method of generating a toolpath and a second sub-method of generating optimize ...

2012

A multi-criteria decision method for sustainability assessment of the use phase of machine tool systems

Paul Xirouchakis, Ian Anthony Stroud, Ioan Oliver Avram

In recent years, going green has become a strategic priority in manufacturing which has evolved from the growing awareness of the need for environmentally friendly processes and products. Recent trends in developing new machining strategies able to support ...

Springer-Verlag2011

Evaluating the use phase energy requirements of a machine tool system

Paul Xirouchakis

This paper has an energy consumption reduction perspective by considering alternative machining strategies and system components interactions translated into variable and constant power flows with respect to various use phase regimes of a machine tool syst ...

Elsevier2011

A decision support method for product conceptual design considering product lifecycle factors and resource constraints

Dimitrios Kyritsis, Paul Xirouchakis, Jongho Shin

In general, it is difficult to select a satisfactory product concept because the information in the early stage of design process is subjective, qualitative, and even uncertain to design engineers. The correlations among engineering characteristics for a p ...

Springer Verlag2011

Optimal selection of cutting parameters in multi-tool milling operations using a genetic algorithm

Paul Xirouchakis, Mohammed Slama, Jitender Kumar Rai, Daniel Brand

In the milling of large monolithic structural components for aircraft, 70-80% of the total cut volume is removed using high-speed roughing operations. In order to achieve the economic objective (i.e. optimal part quality in minimal machining time) of this ...

Taylor & Francis2011

Experimental analysis of drilling fiber reinforced composites

Paul Xirouchakis, Mihai-Bogdan Lazar

In comparison with metals, long-fiber reinforced composites have a layered structure, with different properties throughout their thickness. When drilling such structures, internal defects like delamination occur, caused by the drilling loads and their unev ...

2011