Browsing by Author "Roy, Rajkumar"

Browsing by Author "Roy, Rajkumar"

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  • The best practice for virtual conference / discussion in high technology area 
    Ling, Daniel (2002-09)
    This thesis presents analysis of virtual conference. It describes the virtual AS-IS process model, the user groups and the features that are concerned with virtual conferencing. An analysis of asynchronous Vs synchronous ...
  • Challenges in real world optimisation using evolutionary computing 
    Tiwari, Ashutosh; Roy, Rajkumar (2004-11-10)
    Challenges in real world optimisation using evolutionary computing With rising global competition, it is becoming increasingly more important for industry to optimise its activities. However, the complexity of real-life ...
  • A coefficient clustering analysis for damage assessment of composites based on pulsed thermographic inspection 
    Zhao, Yifan; Tinsley, Lawrence; Addepalli, Sri; Mehnen, Jorn; Roy, Rajkumar (Elsevier, 2016-06-11)
    This paper introduces a coefficient clustering analysis method to detect and quantitatively measure damage occurring in composite materials using pulsed thermographic inspection. This method is based on fitting a low order ...
  • A collaborative machine tool maintenance planning system based on content management technologies 
    Wan, Shan; Li, Dongbo; Gao, James X.; Roy, Rajkumar; He, Fei (Springer, 2016-12-03)
    From product maintenance and service point of view, high-value sophisticated computer numerical control (CNC) machine tools in modern manufacturing factories play important roles: they are manufacturing equipment, and on ...
  • A conceptual design for smell based augmented reality: case study in maintenance diagnosis 
    Wang, Jeff; Erkoyuncu, John Ahmet; Roy, Rajkumar (Elsevier, 2018-11-24)
    The trend of Industry 4.0 encourages the next generation of manufacturing to be flexible, intelligent, and interoperable. The implementations of the Artificial Intelligence (AI) technology could potentially enhance maintenance ...
  • Conceptualising the impact of information asymmetry on through-life cost: case study of machine tools sector 
    Farsi, Maryam; Grenyer, Alex; Sachidananda, Madhu; Sceral, Mario; Mcvey, Steve; Erkoyuncu, John Ahmet; Roy, Rajkumar (Elsevier, 2019-11-02)
    Information asymmetry (IA) in terms of contextual variety and importance is one of the most challenging aspects of through-life costing in product-service systems (PSS). IA is an imbalance in the information, data and ...
  • A confidence map based damage assessment approach using pulsed thermographic inspection 
    Zhao, Yifan; Addepalli, Sri; Sirikham, Adisorn; Roy, Rajkumar (Elsevier, 2017-10-07)
    In the context of non-destructive testing, quantification of uncertainty caused by various factors such as inspection technique, testing environment and the operator is important and challenge. This paper introduces a ...
  • Continuous maintenance and the future – Foundations and technological challenges 
    Roy, Rajkumar; Stark, R.; Tracht, K.; Takata, S.; Mori, M. (Elsevier, 2016-06-30)
    High value and long life products require continuous maintenance throughout their life cycle to achieve required performance with optimum through-life cost. This paper presents foundations and technologies required to offer ...
  • Cost engineering: why, what and how? 
    Roy, Rajkumar (2003-09-18)
    Cost has become a major business driver in many industries. It is observed that there is a lack of understanding about the process to estimate, manage and control costs across the lifecycle of a product. This report presents ...
  • A cost estimating framework for electronic, electrical and electromechanical (EEE) components obsolescence within the use-oriented product-service systems contracts 
    Romero Rojo, Francisco Javier; Roy, Rajkumar; Shehab, Essam; Cheruvu, Kalyan; Mason, Phil (Professional Engineering Publishing, 2012-01-31)
    This paper provides a cost estimating framework for electrical, electronic and electromechanical (EEE) components obsolescence, which represents the main source of obsolescence issues, owing to the increasingly short life ...
  • A cost estimation approach for IoT modular architectures implementation in legacy systems 
    Tedeschi, Stefano; Emmanouilidis, Christos; Erkoyuncu, John Ahmet; Rodrigues, Duarte Polonia; Roy, Rajkumar; Starr, Andrew (Elsevier, 2018-02-08)
    Industry 4.0 has encouraged manufacturing organisations to update their systems and processes by implementing Internet of Things (IoT) technology in legacy systems to provide new services such as autonomous condition ...
  • Cost impact analysis for requirements management 
    Oduguwa, Patrick Ademola (Cranfield University, 2006-10)
    Competition and the associated challenges in the automotive industry are increasing. Products are becoming more complex to satisfy growing needs of the consumers and products need to be cheaper and produced quicker. The ...
  • Cost of industrial product-service systems (IPS2) 
    Roy, Rajkumar; Datta, Partha Priya; Romero Rojo, Fran; Erkoyuncu, John Ahmet (CIRP, 2009-05)
    The motivation of this Keynote comes from the lack of research in estimating costs of an industrial product-service system (IPS2 ). A competitive IPS2 framework has been developed by Cranfield University for delivering ...
  • Cost of photochemical machining 
    Roy, Rajkumar; Allen, David M.; Zamora, Oscar (Elsevier Science B.V., Amsterdam., 2004-06-10)
    Photochemical machining (PCM), also known as photoetching, photofabrication or photochemical milling, is a non-traditional manufacturing method based on the combination of photoresist imaging and chemical etching. PCM ...
  • Cost of Physical Vehicle Crash Testing 
    Baguley, Paul; Roy, Rajkumar; Watson, James W. (2008-12-31)
    The automotive safety-testing environment currently deploys virtual methods and physical crash testing for new product development and validation in safety testing legislation. Cost benefit analysis of crash testing is ...
  • Cost uncertainty management and modelling for industrial product-service systems 
    Erkoyuncu, John Ahmet (Cranfield University, 2011-01)
    Globally manufacturing based industries are typically transforming operations to enhance the delivery of services throughout equipment use. Within the defence industry, Contracting for Availability (CfA) has emerged as ...
  • Current practice and challenges towards handling uncertainty for effective outcomes in maintenance 
    Grenyer, Alex; Dinmohammadi, Fateme; Erkoyuncu, John Ahmet; Zhao, Yifan; Roy, Rajkumar (Elsevier, 2020-02-18)
    The combination of viable heuristic attributes with statistical measurements presents significant challenges in industrial maintenance for complex assets under through-life service contracts. Techniques to obtain and process ...
  • A Customer Profiling Methodology for Churn Prediction 
    Hadden, John (Cranfield University, 2008-04)
    As markets have become increasingly saturated, companies have acknowledged that their business strategies need to focus on identifying those customers who are most likely to churn. To address this, a method is required ...
  • Customised customer support using a soft computing approach 
    Shah, Satya Ramesh; Roy, Rajkumar; Tiwari, Ashutosh; Majeed, Basim (2005-11-01)
    This paper describes the research and development of a methodology to identify the type of information required by the service advisor (CSA) within customer contact centre (CCC) environment. Data was collected through ...
  • Cutting Tool Design Knowledge Capture & Reuse 
    Bailey, Jesse Ian (Cranfield University, 2003-02)
    Cutting tools play an important part in today's manufacturing industry. There is an ever-increasing pressure on the cutting tool design industry to produce better quality products in response to the needs of the automotive ...