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1 2011

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Devkit8000 and Beckhoff controller as a complete control system in hybrid vehicle

Terelak M., Kaźmierczak A., Krakowian K., Górniak A., Kawaliło P.

Silniki Spalinowe

2011

R. 50, nr 3

Hybrid control system and visualization of the actual performance of the two different drives can be realized by PLC controller and SCADA system witch could be installed on simple computer with LCD display. The components and main idea of connecting PLC controller with the SCADA system and simple computer to control hybrid drive system will be implemented to prototype hybrid scooter. This scooter was built by Marcin Terelak and Ernest Ozga during their master studies on Wroclaw University of Technology few years ago. Hybrid vehicle is vehicle which combines a conventional propulsion system with an on-board rechargeable energy storage system to achieve better fuel economy than a conventional vehicle without being hampered by range from a charging unit like a battery electric vehicle, which uses batteries charged by an external source. Prototype hybrid scooter has a conventional engine (gasoline) as well as a four lithium-ion batteries and an electric motor, so that the wheels of the vehicle are driven by both an internal combustion engine and an electric motor. Authors showed in the article actual steering control system and parameters of prototype hybrid scooter and also the idea of implementation SCADA system, embedded single board computer and PLC controller to control hybrid drive in prototype scooter. Single-board computers (SBCs) means complete computers built on a single circuit board. Embedded Single Board Computers are much smaller than ATX motherboards, and provide an I/O mix more targeted to an industrial application such as on-board digital and analog I/O, on-board bootable flash so no hard drive is required. Information about single-board computers (DEVKIT8000) and implementation of this computer to control hybrid vehicles engines will be the showed in second part of this article. Programmable logic controller (PLC) as a microprocessor-based system that accepts input data from switches and sensors, processes that data by making decisions in accordance with a stored program, and then generates output signals to devices that perform a particular function based on the application. SCADA (Supervisory Control And Data Acquisition) is very flexible solution for example to choose between the parameters and driving modes in prototype hybrid scooter and also to show information from controller on touch panel.