In 2013, Bosch Rexroth came up with a systemic way to define a motion control application - to collect and encapsulate all relevant motion data in a way that would allow engineers to arrive at system solutions for the most complex of motion sizing and selection challenges. They developed “LOSTPED”— a simple acronym that guides the engineer or designer in gathering the information needed to specify the appropriate motion components given application.
What Is LOSTPED?
LOSTPED is an acronym that stands for Load, Orientation, Speed, Travel, Precision, Environment and Duty cycle. Each letter represents one factor that must be considered when sizing and selecting a linear motion system. Each factor must be considered individually as well as in conjunction with the others to ensure the best overall system performance. For example, the load imposes different demands on the bearing system during acceleration and deceleration than during constant speed movements. As more linear motion solutions move from individual components to complete linear module or Cartesian systems, the interactions between system components — i.e. linear bearing guides and ball screw, belt, or linear motor drives — become more complex, and designing the right system becomes more challenging. The LOSTPED acronym can help designers avoid mistakes by simply reminding them to consider all of the interrelated factors during system development and specification.
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