Component-based development is a commonly used technique to build complex systems. In order to satisfy specific requirements, adaptation policies provide a solution to dynamically reconfigure the component model with relation to its environment. This paper is dedicated to Fractal components assembling with a special emphasis on their reconfiguration. We introduce event-based adaptation policies to reconfigure Fractal components. The challenge is to build trustworthy systems and to simulate their executions when considering both functional and non-functional requirements. The contributions are illustrated on an example of an autonomous vehicle location system. Implementation details are given.