Product category:
Asset Management and maintenance planning
News Release from: ABB Automation Tech (Instrumentation + Automation) | Subject: LPM software
Edited by the Processingtalk Editorial
Team on 09 June 2008
Optimum regulatory control for
polypropylene plant
ABB Loop Performance Manager (LPM) software has been chosen by the polymer plant at Petroquimica Cuyo, Mendoza, Argentina for improved productivity
Petroquimica Cuyo pioneered the production of polypropylene in Argentina as well as of special polyolefins in Latin America and was the first petrochemical company in the Americas to obtain ISO 14001 certification in Environmental Management Their strategy is to establish optimum regulatory control at their Mendoza facility, producing 120,000 tons/year homopolymers, impact copolymers, random copolymers, terpolymers and special polyolefins, which is essential for providing consistent, safe process operations and securing economic benefits
This article was originally published on Processingtalk on 3 Sep 2008 at 8.00am (UK)
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Several advanced tuning software packages were considered, but the ABB LPM was preferred for a number of reasons including its ability to use a single user interface for all the PID (Proportional Integral Derivative) tuning processes such as data collection, modelling, tuning and simulation.
LPM has online data collection through OPC, which supports open connectivity via open standards.
The ABB LPM has a very simple and powerful model identification and evaluation package that is oriented to different user profiles, as well as being able to support a wide variety of commercial PID controllers and various configuration options for PID control algorithms.
It also features a very flexible and complete set of tuning methods, plus automatic tuning and analysis for Feed Forward (FF) and Cascade Control Loops.
Petroquimica Cuyo engineers identified a number of advantages with the ABB LPM software including its capability to analyse the current tuning of a PID based on the built process model, using the manual tuning option and the fact that the PID parameters were given in the controller's own form of implementation so no conversion was necessary.
Also the possibility to specify the control behaviour using one or more sliders defining the trade-off between the robustness and performance for a chosen tuning method, as well as the frequency domain analysis parameters.
Besides its usefulness for loop tuning activities and process insight through its model building capabilities, the ABB LPM software is helping the Mendoza facility operate at peak efficiency and meet its market demands.
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