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Articles 1 - 4 of 4
Full-Text Articles in Automotive Engineering
A Simulation-Based Layered Framework Framework For The Development Of Collaborative Autonomous Systems, Ioannis Sakiotis
Computational Modeling and Simulation Engineering Theses & Dissertations
The purpose of this thesis is to introduce a simulation-based software framework that facilitates the development of collaborative autonomous systems. Significant commonalities exist in the design approaches of both collaborative and autonomous systems, mirroring the sense, plan, act paradigm, and mostly adopting layered architectures. Unfortunately, the development of such systems is intricate and requires low-level interfacing which significantly detracts from development time. Frameworks for the development of collaborative and autonomous systems have been developed but are not flexible and center on narrow ranges of applications and platforms. The proposed framework utilizes an expandable layered structure that allows developers to define ...
Model Based Vehicle Simulation For Electrically Actuated Transmission Test Cells, Kenneth L. Gruel
The Eaton Vehicle Group is responsible for the development of a large family of automotive products, including manual and automated manual transmissions for light, medium, and heavy duty vehicles. To further expand the transmission testing capabilities at Vehicle Group headquarters, the Vehicle Simulator system was developed and integrated into an existing motor-based test cell. System development time and cost were reduced by leveraging readily available vehicle models and real-time hardware. The Vehicle Simulator system allows a user to control the speed and torque settings of the test cell motors in manual mode, or switch the motors to vehicle emulation mode ...
3d Infrastructure Condition Assessment For Rail Highway Applications, Teng Wang
Theses and Dissertations--Civil Engineering
Highway roughness is a concern for both the motoring public and highway authorities. Roughness may even increase the risk of crashes. Rail-highway grade crossings are particularly problematic. Roughness may be due to deterioration or simply due to the way the crossing was built to accommodate grade change, local utilities, or rail elevation. With over 216,000 crossings in the US, maintenance is a vast undertaking. While methods are available to quantify highway roughness, no method exists to quantitatively assess the condition of rail crossings. Conventional inspection relies on a labor-intensive process of qualitative judgment. A quantifiable, objective and extensible procedure ...
Modeling, Simulation And Control Of Hybrid Electric Vehicle Drive While Minimizing Energy Input Requirements Using Optimized Gear Ratios, Sanjai Massey
Dissertations, Master's Theses and Master's Reports
This project was conducted to analyze (model and simulate) and optimize an electric motor based drive system to propel a typical passenger vehicle in an urban driving environment. Although there are many HEV and EV type systems on the market today, this paper chose the Toyota Prius HEV system as a baseline using a brushless AC motor.
Although a vehicle can be driven many ways, a more standardized Urban Dynamometer Driving Schedule, UDDS, was chosen to simulate real driving conditions. This schedule is determined by the US Environmental Protection Agency, EPA, and is intended to represent the city driving conditions ...