From cast10-request@bevo.che.wisc.edu Tue Jun 6 09:00:50 2000 Received: (from slist@localhost) by bevo.che.wisc.edu (8.9.1/8.9.1) id JAA29185; Tue, 6 Jun 2000 09:00:50 -0500 (CDT) Resent-Date: Tue, 6 Jun 2000 09:00:50 -0500 (CDT) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <14653.1041.334925.915373@bahaha.che.wisc.edu> Date: Tue, 6 Jun 2000 09:00:49 -0500 (CDT) From: Yudi Samyudia To: cast10@bevo.che.wisc.edu Subject: CAST: Open PhD position at TU Delft X-CAST-Category: jobs doctoral 2000-12 Resent-Message-ID: <"1JZqOFmDJHG.A.raH.SQQP5"@bevo.che.wisc.edu> Resent-From: cast10@bevo.che.wisc.edu X-Mailing-List: X-Loop: cast10@bevo.che.wisc.edu Precedence: list Resent-Sender: cast10-request@bevo.che.wisc.edu Sender: cast10-request@bevo.che.wisc.edu Errors-To: cast10-request@bevo.che.wisc.edu ----------------------------------------------------------------- NOTE: Past postings on the CAST10 Email List are archived on the World Wide Web at http://www.che.wisc.edu/cast10 ----------------------------------------------------------------- A PhD position on "Control of Integrated Plants" in the Section of Process Systems Engineering, Department of Chemical Technology, Delft University of Technology. Introduction Process Systems Engineering (PSE) section involves the scientific aspects of the design and operation of a chemical process as an integrated dynamic production system. The integration addresses multiple scales, ranging from product quality control to optimisation of production at the plant level. On the average, the group consists of twelve persons: a mixture of PhD students, research assistants, post-docs and staff members. There is a close co-operation with several industries. Overview of PhD Project Current modern chemical plants are governed by multiple unit operations coupled by recycle streams and/or heat integration (or integrated plants). Considering the integrated plants as a large multivariable process would lead to a complex, centralised multivariable controller, which is commonly impractical from the implementation point of view. Ideally, one would like to design a simple, but high performance controller for such a plant. This can be accomplished only if the effect of recycle streams (and/or heat integration) is not significant on the overall plant dynamics. Different effects of recycle streams (and/or heat integration) could be produced for different plant decomposition and control structures. Hence, the selection of the most feasible plant decomposition and control structure plays a key role for designing high performance controllers for an integrated plant. The objective of this research is to develop a systematic procedure for plant decomposition and control structure design that considers the achievable closed-loop performance as well as plant non-linearity. The following issues are important to be addressed in order to attain the research target: 1. Understanding recycle dynamics and its implication to control design 2. Plant decomposition (either based on process dynamics or physical unit operation) 3. Control structure generation and selection 4. Design framework for optimising decentralised (or hierarchical) controller. The developed methodologies will be applied to different applications, such as reactive distillation systems, heat integrated-distillations and reactor-separation processes. Requirement The candidates should have a degree in chemical engineering with a solid mathematical background and had experiences in process dynamics and control. The selected candidate should participate in some extent in education. Details The PhD assignment will last for a period of four years. During that period, the PhD candidate is employed by Delft University of Technology. The gross salary starts at DFL 3950 in the first year and increases to DFL 4559 in the fourth year. Contacts Prof. ir. Johan Grievink, tel. +31 15 278 4351, j.grievink@tnw.tudelft.nl Dr. Yudi Samyudia, tel. +31 15 278 6327, y.samyudia@tnw.tudelft.nl Address: Delft University of Technology, Department of Chemical Technology Process Systems Engineering Section, Julianalaan 136, 2628 BL Delft fax: +31 15 278 4452 ================================================= Dr. Yudi Samyudia Assistant Professor Department of Chemical Technology Faculty of Applied Sciences Delft University of Technology 2628 BL Delft The Netherlands Ph. +31 15 278 6327; Fax. +31 15 278 4452 Email. y.samyudia@tnw.tudelft.nl =================================================