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We experimentally and numerically study the dependence of differentnavigation strategies regarding the effectivity of an active particle to reacha predefined target area. As the only control parameter, we vary the particle'spropulsion velocity depending on its position and orientation relative to thetarget site. By introducing different figures of merit, e.g. the time to targetor the total consumed propulsion energy, we are able to quantify and comparethe efficiency of different strategies. Our results suggest, that each strategyto navigate towards a target, has its strengths and weaknesses and none of themoutperforms the other in all regards. Accordingly, the choice of an idealnavigation strategy will strongly depend on the specific conditions and thefigure of merit which should be optimized.

External control strategies for self-propelled particles: optimizing navigational efficiency in the presence of limited resources