Sökning: "grey-box identification"
Visar resultat 1 - 5 av 12 avhandlingar innehållade orden grey-box identification.
1. Grey-box Identification of Distributed Parameter Systems
Sammanfattning : This thesis considers the problem of making dynamic models for industrial processes by combining physical modelling with experimental data. The focus is on distributed parameter systems, that is, systems for which the model structure involves partial differential equations (PDE). Distributed parameter systems are important in many applications, e. LÄS MER
2. Modelling and grey-box identification of curl and twist in paperboard manufacturing
Sammanfattning : The contents of this thesis can be divided into two main parts. The first one is the development of an identification methodology for the modelling of complex industrial processes. The second one is the application of this methodology to the curl and twist problem. LÄS MER
3. Modelling the Moisture Content of Multi-Ply Paperboard in the Paper Machine Drying Section
Sammanfattning : This thesis presents a grey-box model of the temperature and moisture content for each layer of the multi-ply paperboard inside the drying section of a paper mill. The distribution of the moisture inside the board is an important variable for the board quality, but is unfortunately not measured on-line. LÄS MER
4. System Identification of an Engine-load Setup Using Grey-box Model
Sammanfattning : With the demand for more comfortable cars and reduced emissions, there is an increasing focus on model-based system engineering. Therefore, developing accurate vehicle models has become significantly important. The powertrain system, which transfers the engine torque to the driving wheels, is one of the most important parts of a vehicle. LÄS MER
5. Nonlinear Structural Identification Using a Multi-Harmonic Frequency Response Functions
Sammanfattning : In industrial structural dynamics problems, linear FE-models commonly serve to represent the global structural behavior. However, when test data are available they often show evidence of nonlinear dynamic characteristics. In that case, an initial linear model may be judged insufficient in representing the dynamics of the structure. LÄS MER