The present sought to draw a comparison between Model Predictive Control performance and two other controllers named Simple PI and Selective PI in controlling large-scale natural gas transport networks. A nonlinear dynamic model of representative gas pipeline was derived from pipeline governing rules and simulated in SIMULINK® environment of MATLAB®. Control schemes were designed to provide a s...

The conduct of monetary policy in an oil economy with a managed floating exchange rate regime can be challenging in an environment of fiscal dominance and incomplete transition to a market economy. The Five-Year Development Plans provide a natural benchmark against which to assess monetary policy performance in Iran. Price stability has proved elusive, with liquidity growth targets constan...

Development of reusahle dictionaries for NI,P applications requires a carefully designed lexicological framework, a lexical acquisition strategy, an integrated development toolbox, and facilities to generate dictionaries for client applications. This paper presents results of tile LEXlC projecO, which was set up to prepare the development of large multilingual lexieal re-

The increase in energy prices that followed Hurricane Katrina restored energy trading to front-page news. Ever since, oil and natural gas prices have repeatedly set all-time record highs. This spring, oil was again trading above US $70 a barrel, having fallen as low as US $30 as late as January 2004. Increases for natural gas have been even more spectacular, from US $3.10 per MMBtu (million Bri...