Browsing by Author "Tiwari, Ashutosh"

Browsing by Author "Tiwari, Ashutosh"

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  • Simulation of autonomous UAV navigation with collision avoidance and spatial awareness. 
    Li, Jian (Cranfield UniversitySATM, 2019-08)
    The goal of this thesis is to design a collision-free autonomous UAV navigation system with spatial awareness ability within a comprehensive simulation framework. The navigation system is required to find a collision-free ...
  • Simulation to enable a data-driven circular economy 
    Charnley, Fiona; Tiwari, Divya; Hutabarat, Windo; Moreno, Mariale; Okorie, Okechukwu; Tiwari, Ashutosh (MDPI, 2019-06-19)
    This paper presents an investigation on how simulation informed by the latest advances in digital technologies such as the 4th Industrial Revolution (I4.0) and the Internet of Things (IoT) can provide digital intelligence ...
  • Simulation-based optimisation of complex maintenance systems 
    Alrabghi, Abdullah Omar (Cranfield University, 2015-09)
    There is a potential as well as a growing interest amongst researchers to utilise simulation in optimising maintenance systems. The state of the art in simulation-based optimisation of maintenance was established by ...
  • Simulation-based optimisation of maintenance systems: Industrial case studies 
    Alrabghi, Abdullah; Tiwari, Ashutosh; Savill, Mark (Elsevier, 2017-06-20)
    Investigating the optimum blend of maintenance strategies for a given manufacturing system is a continuing concern amongst maintenance academics and professionals. Recent evidence suggests that little research is conducted ...
  • Soft Computing in the Service Industry 
    Roy, Rajkumar; Tiwari, Ashutosh; Shah, Satya Ramesh; Hadden, John (2006-01-01)
    Service industries have recently witnessed several innovations, one of which is the widespread use of contact centres in the front of customer service management. Service encounters based on contact centres have raised new ...
  • A software architecture for autonomous maintenance scheduling: Scenarios for UK and European Rail 
    Turner, Christopher J.; Ravi, P. T.; Tiwari, Ashutosh; Starr, Andrew G.; Blacktop, K. (W I T Press, 2016-11-22)
    A new era of automation in rail has begun offering developments in the operation and maintenance of industry standard systems. This article documents the development of an architecture and range of scenarios for an autonomous ...
  • Soil moisture content measurement using optical fiber long period gratings 
    Hallett, Stephen H.; Partridge, Matthew; James, Stephen; Tiwari, Ashutosh; Farewell, Timothy S.; Tatam, Ralph P. (SPIE - International Society for Optics and Photonics, 2017-04-23)
    The use of an optical fibre long period grating (LPG) as a soil moisture sensor is reported. Characterization of the device in both clay and sandy soils revealed a sensitivity to moisture levels in the range 10-50%, and ...
  • State of the art in simulation-based optimisation for maintenance systems 
    Alrabghi, Abdullah; Tiwari, Ashutosh (Elsevier, 2014-12-29)
    Recently, more attention has been directed towards improving and optimising maintenance in manufacturing systems using simulation. This paper aims to report the state of the art in simulation-based optimisation of maintenance ...
  • Study of optimisation strategies for aircraft structural design 
    Huang, Feng (Cranfield University, 2012-12)
    Optimisation plays an important role in structural design. Structural design optimisation is not only a matter of weight reduction of the structure; it can be used to optimise any type of objectives. In engineering ...
  • Survey of media forms and information flow models in microsystems companies 
    Durugbo, Christopher; Tiwari, Ashutosh; Alcock, Jeffrey R. (2010-02-22)
    The paper presents the findings of a survey of 40 microsystems companies that was carried out to determine the use and the purpose of use of media forms and information flow models within these companies. These companies ...
  • Survey on the use of computational optimisation in UK engineering companies 
    Tiwari, Ashutosh; Hoyos, Paula Noriega; Hutabarat, Windo; Turner, Christopher J.; Ince, Nadir; Gan, Xiao-Peng; Prajapat, Neha (Elsevier, 2015-01-22)
    The aim of this work is to capture current practices in the use of computational optimisation in UK engineering companies and identify the current challenges and future needs of the companies. To achieve this aim, a survey ...
  • Sustainable production in a circular economy: A business model for re-distributed manufacturing 
    Turner, Christopher J.; Moreno, Mariale; Mondini, Luigi; Salonitis, Konstantinos; Charnley, Fiona; Tiwari, Ashutosh; Hutabarat, Windo (MDPI, 2019-08-08)
    The emergence of new technologies such as the Internet of Things, big data, and advanced robotics, together with risks such as climate change, rising labour costs, and a fluctuating economy, are challenging the current ...
  • Symbolic approaches and artificial intelligence algorithms for solving multi-objective optimisation problems 
    Askar, Sameh El Said Abdel Aziz (Cranfield University, 2011-04)
    Problems that have more than one objective function are of great importance in engineering sciences and many other disciplines. This class of problems are known as multi-objective optimisation problems (or multicriteria). ...
  • SysML for the Analysis of Product-Service Systems Requirements 
    Durugbo, Christopher; Hutabarat, Windo; Tiwari, Ashutosh; Alcock, Jeffrey R. (2010-04-15)
    In this paper, the Systems Modelling Language (SysML) is introduced as a technique for the design of aproduct-service system (PSS). In examples of the requirements diagram in SysML, this paper shows that:(1) a PSS can ...
  • Technology readiness level assessment of composites recycling technologies 
    Rybicka, Justyna; Tiwari, Ashutosh; Leeke, Gary A. (Elsevier, 2015-09-03)
    Composite materials made of glass and carbon fibres have revolutionised many industries. Demand for composites is experiencing rapid growth and global demand is expected to double. As demand for composites grows it is clear ...
  • Technology selection for human behaviour modelling in contact centres 
    Shah, Satya Ramesh; Roy, Rajkumar; Tiwari, Ashutosh (2006-01-01)
    Customer service advisors can play different roles and have different level of autonomy, but at the end they are humans with heart and voice. While product purchases, lifestyle information and billing data provide important ...
  • Text classification method review 
    Mahinovs, Aigars; Tiwari, Ashutosh; Roy, Rajkumar; Baxter, David (2007-04-01)
    With the explosion of information fuelled by the growth of the World Wide Web it is no longer feasible for a human observer to understand all the data coming in or even classify it into categories. With this growth of ...
  • Theoretical design of a self-rectifying 4-bar linkage mechanism 
    Bell, Colin; Farnsworth, Michael; Tiwari, Ashutosh; Dorey, Robert A. (Elsevier, 2013-09-27)
    Mechanical systems will almost inevitably fail at some point during operation. This can either be due to a preexisting design flaw or some unexpected damage during usage. No matter how much planning and fault analysis is ...
  • A unified modelling system for service representation 
    Gkekas, Konstantinos (Cranfield University, 2012-09)
    This PHD project aims to develop a service design system which has a customer-centric view and delivers a balance between profit and value for both customers and service providers. The system will enable designers to assess ...
  • Using network science to disentangle supply networks: a case study in aerospace industry 
    Wang, Yu (Cranfield University, 2014-07)
    Supply chains in the aerospace sector are becoming more complex than ever before, frequently causing delays on the production process. Complexity gave rise to the term “supply networks”, changing the way we view supply ...