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Energy Management and Communication for the Autonomous Solar Vehicle

Author(s):

D. Fankhauser, J. Giné
Conference/Journal:

Master Thesis, FS14 (10353/54)
Abstract:

The Autonomous Solar Vehicle is being developed to provide a testbed for energy management techniques and autonomous vehicle operations. It is powered by solar panels, and uses lead-acid batteries and ultracapacitors for energy storage. This project consists of two topics: First, the energy management system should use the available components efficiently. For this purpose, a maximum power point tracking (MPPT) algorithm was implemented on a previously designed energy management board, in order to extract the maximum amount of power from the solar panel. Additionally, a battery charger to manage the batteries, as well as low-level current controllers were implemented. The components of the power system were modeled in MATLAB/Simulink and a concept for an energy-management control was proposed and simulated. A power-saving "piggyback" board was designed that enables to dynamically turn off individual components of the system and recharge the batteries in a mode of low power consumption. Second, point-to-point communication between different control modules is limited by the number of available UART interfaces. We therefore developed a packet-based communication gateway, which was implemented on an FPGA. An addressing scheme was introduced. The forwarding table, which maps addresses to physical ports, can be updated during run-time. This provides full flexibility and increases the number of possible communication links

Year:

2014
Type of Publication:

(12)Diploma/Master Thesis
Supervisor:

D. Frick

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% Autogenerated BibTeX entry
@PhdThesis { FanGin:2014:IFA_5044
}
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