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- W1553386110 abstract "This paper presents the business purpose, software architecture, technology integration, and applications of the Cummins Vehicle Mission Simulation (VMS) software. VMS is the value-based analysis tool used by the marketing, sales, and product engineering functions to simulate vehicle missions quickly and to gauge, communicate, and improve the value proposition of Cummins engines to customers. VMS leverages the best of software architecture practices and proven technologies available today. It consists of a close integration of MATLAB and Simulink with Java, XML, and JDBC technologies. This Windows compatible application software uses stand-alone mathematical models compiled using Real Time Workshop. A built-in MySQL database contains product data for engines, driveline components, vehicles, and topographic routes. This paper outlines the database governance model that facilitates effective management, control, and distribution of engine and vehicle data across the enterprise. This paper also presents four case studies on the applications of VMS to augment Cummins engineering and sales competencies by helping customers understand vehicle performance, optimize vehicle configurations, improve fuel economy, and reduce greenhouse gas emissions. INTRODUCTION The commercial vehicle industry has become increasingly aware of the interconnectedness of the components of a vehicle. Companies now research and engineer products around how each component interacts with other elements of the vehicle. Commercial software tools such as AVL Cruise, AVL ISAC, Advisor, GTDrive, and PSAT have evolved to support holistic vehicle integration, evaluate energy efficiency, and analyze componentlevel and system-level performance. To supplement the above commercial software tools, engine and vehicle manufacturers have also developed inhouse performance modeling software customized around their operating needs. Cummins uses an array of engine and vehicle validation tools as illustrated in Figure 1. Our suite of simulation tools, collectively called “CyberApps”, has been developed and validated over a span of 14 years. It operates a Unix based modeling platform and offers increasing degrees of fidelity by substituting mathematical models with hardware-in-loop Page 2 of 16 units of engine and vehicle subsystems. The simplest of these tools, “PureSim”, operates exclusively on MATLAB and Simulink models. It is this version of CyberApps that we have ported to Windows and adapted as the mathematical backbone of the analysis software that we describe in this paper. A discussion of the CyberApps mathematical models and validation process is outside the scope of this paper. Figure 1: Vehicle and engine testing and simulation tools used at Cummins Figure 2: Segmentation of users of engine-vehicle integration analysis software The in-house and commercial analysis tools we discussed above cater principally to the needs of advanced product engineering and research groups as illustrated in Figure 2. Consequently, these tools are complex, difficult to access, time-consuming and expensive for users outside of the engineering functions. These tools En gi ne C on tro l" @default.
- W1553386110 created "2016-06-24" @default.
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- W1553386110 date "2010-10-05" @default.
- W1553386110 modified "2023-09-23" @default.
- W1553386110 title "Cummins Vehicle Mission Simulation Tool: Software Architecture and Applications" @default.
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- W1553386110 doi "https://doi.org/10.4271/2010-01-1997" @default.
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