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Adaptive control algorithm of the field esterification plant

Duda K., Rozmarynowski Z., Chraplewska N.

Journal of KONES

2012

Vol. 19, No. 4

163-171

Biofuel production to power compression ignition engines on a small scale, using alkaline catalysts is not a difficult process. The problem could be the collection of excess alcohol, which is used during production in this conduct of process of biofuel. The authors attempted to develop the control algorithm of alcohol evaporation process, in the "field esterification plant" which is used to produce biofuels on demands for Department of Mechatronics and Information Technology Education Chair of University of Warmia and Mazury. The article describes the mobile installation used for the production of biofuels and requirements, which this installation should conform, working in a variety of conditions. The installation should work properly with different mixtures of components with different proportions of vegetable and animal fats mixed with methyl or ethyl alcohol. The algorithm controls the process in a way that it was possible to use of not only methyl alcohol, but also other alcohols, at variable temperature of refrigerant cooling excess alcohol vapours. The adaptive control algorithm of alcohol evaporation process improves the efficiency of system operation by reducing production time and decrease of electricity power and water (needed to cool the heat exchanger) consumption. Software upgrade also affects the quality of the obtained final product, as well as on the whole process.

Komutatorowe silniki magnetoelektryczne do sprzętu powszechnego użytku

Dudzikowski I., Rozmarynowski Z.

Wiadomości Elektrotechniczne

1998

nr 6

376-379

Przedstawiono budowę silników magnetoelektrycznych komutatorowych przeznaczonych do sprzętu powszechnego użytku. Zamieszczono obliczone i zamierzone przebiegi czasowe parametrów wyjściowych i wyjściowych silników zasilanych z prostowników sterowanych. Porównano parametry opracowanych silników z parametrami silników szeregowych o takich samych mocach i prędkościach obrotowych.

The authors describe the design features of newly developed moving - coil motors for household applicationes and quote the analytical and measured,time - depondent runs of the input and output parameters of motors energized from controlled rectifiers. A comparision is made between the parameters of the motors being developed and those of series motors of the same powers and speeds.