Browsing by Author "Wibowo, Arie"
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Item Open Access Designing contracts for aero-engine MRO service providers: models and simulation(Elsevier, 2017-03-02) Wibowo, Arie; Tjahjono, Benny; Tomiyama, TetsuoThe aero-engine Maintenance-Repair-Overhaul (MRO) service provider has begun to adopt the product-service system (PSS) offering in order to maintain their competitiveness. Such total solution approach combines an availability-based service contract with product offerings (e.g., leasing). The current MRO service provider's contract design method is inadequate to support this offering. Miscalculation often occurs, because many of the decisions are often based on intuitions and experiences, resulting in lower quality, higher cost and longer turnaround time for the maintenance. This paper proposes an enhanced contract design method that is more scientific through the simulation modelling. The models incorporate both customers’ requirements and the shop floor's operational availability. The paper provides discussion on how the results of the simulation of the models can be used to support decision making and the design of availability based contracts.Item Open Access Towards an integrated decision making framework for aero engine MRO contract management in the productisation context(Elsevier, 2016-06-13) Wibowo, Arie; Tjahjono, Benny; Tomiyama, TetsuoOne of the most critical elements in the ‘productisation’ of service adopted by today's aero-engine Maintenance Repair and Overhaul (MRO) companies is the match between customer demands and the operational capabilities of the MRO shop. Currently, the service contract is offered based upon experience and intuition rather than on scientific approach. This paper presents an integrated decision making framework to design contracts that considers demand and operational parameters. In addition to literature survey, the approach adopted in building the framework is a case study research, which obtains data from semi-structured interviews, observations and the company archives. Two main perspectives, dynamic operational parameters and shop floor operational parameters, were identified as essential and pertinent to the design and management of the service contract in the productisation context. The framework will incorporate both perspectives to support productisation.