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Stability is important for a laboratory as MAX IV. The main objective is to ensure that our users get sufficiently stable illumination of their samples. Stability means different things for different beamlines or users. The work on stability for MAX IV took speed around 2010 and has since been an important factor in calculations and designs for buildings, supports and the components of accelerators and beamlines. The stability work is now in a different phase, where observations of stability and instabilities emerges. This is the reason for establishing the Stability Task Force.
I will give a brief summary of the early work and summarize the philosophy behind setting stability tolerances at MAX IV. Some methods and policies, which we need to use, in order to maintain our stability, will be described. Resent results from the characterization of stability at the lab will be presented, showing how the philosophy works. Some methods, tools, and possibilities will be described. Finally, I will list some of the projects that are running and some, which I think should be run, in order to assure our future operations.
