Proposed upgrading of Zoo Taiping Restaurant for Zoo Taiping at Jalan Taman Tasik Taiping, 34000 Taiping Perak. / Siti Nurfarhanah Mansor Adby

This project title is Upgrading works of Zoo Taiping Restaurant for Zoo Taiping at Jalan Taman Tasik Taiping, 34000 Taiping Perak. Zoo Taiping was the client for this project and the director of this zoo is Dr. Kevin Lazarus. The existing Zoo Bistro Cafe does not have a welcoming environment which can attract visitor and because of that, the client want to upgrade the Cafe to a new image that can attract all kind of ages and at the same time include the wildlife nature ambiance into the cafe. This will be the first Zoo that has its own Theme cafe that related with the Zoo ambiance. To do the project, research and some interview need to be done to complete the requirement of the project. Site visit and building analysis has to be done in order to understand more about the building and the environment. The main objective is to provide a new image for the cafe and rearrange the space so the customer will more attracted to come and the services could run smoothly

Grey-box model identification via evolutionary computing

This paper presents an evolutionary grey-box model identification methodology that makes the best use of a priori knowledge on a clear-box model with a global structural representation of the physical system under study, whilst incorporating accurate blackbox models for immeasurable and local nonlinearities of a practical system. The evolutionary technique is applied to building dominant structural identification with local parametric tuning without the need of a differentiable performance index in the presence of noisy data. It is shown that the evolutionary technique provides an excellent fitting performance and is capable of accommodating multiple objectives such as to examine the relationships between model complexity and fitting accuracy during the model building process. Validation results show that the proposed method offers robust, uncluttered and accurate models for two practical systems. It is expected that this type of grey-box models will accommodate many practical engineering systems for a better modelling accuracy

Investigation of the Stability of Satellite Large Angle Attitude Manoeuvres Using Nonlinear Optimization Methods

Some theoretical investigations of large angle attitude manoeuvres have been based on the application of Lyapunov's stability theory. With this method Mortensen derived stable control laws for performing attitude manoeuvres with either thrusters or reaction wheels. Previous results were idealized in that they ignored the nonlinearities inherent in the operation of both types of actuators. The present paper extends the scope of this work by acknowledging the actuator nonlinearities. The approach selected is to estimate the domain of attraction (DOA) of the target equilibrium for the system corresponding to the idealized control laws constrained by the actuator nonlinearities. The DOA is estimated by searching for the largest region of asymptotic stability over a set of quadratic Lyapunov functions. This approach results from the application of a theorem of Lasalle and gives rise to two nested nonlinear optimization problems, the internal one of which is a constrained global problem with several local minima. The paper gives an overview of the progress made in solving problems of this complexity. Emphasis has been placed on the parametrization of quadratic Lyapunov functions and a detailed comparison of several candidate nonlinear optimization techniques has been made for both the constrained and unconstrained optimization problem. Areas requiring further research are identified