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[EDITOR’S NOTE: This blog post discusses accuracy and repeatability in the context of data sheets and product specification. For a detailed discussion of stage accuracy, repeatability, and resolution that covers definitions, nuances, and misconceptions, read our whitepaper here.] In theory, a datasheet lists the capabilities and performance of a device,...
Stage-error mapping – measuring absolute positioning error at a specified set of sampling points – has gained a reputation as a method for achieving high-accuracy motion control with lower-cost equipment. The theory is sound. The problem is that there are a lot of misconceptions around stage-error mapping that can lead to its use in unsuitable applications, with disappointing results. Want to dispel the myths of stage-error mapping and learn how you can use it for maximum benefit? Read on.
[Editor’s note: For a detailed discussion of how to specify the stage for step and settle applications, see our whitepaper https://www.motionsolutions.com/white-papers/how-to-choose-the-best-motion-system-for-your-step-and-settle-application/ Step and settle motion is a fundamental support technology for a variety of critical systems, such as DNA sequencers, semiconductor wafer-inspection systems, diagnostic imagers, and more. While OEMs typically...
Finite element analysis (FEA) lets engineers explore the behavior of complex systems under real use conditions, running simulation after simulation to optimize overall performance by way of small design tweaks. The challenge is that FEA results are only as accurate as the simulation setup, as the saying goes, “garbage in...
Step and settle motion plays a critical role in applications ranging from life-sciences to medical to semiconductor and materials science. In systems like DNA sequencers, diagnostic imagers, or wafer-inspection systems, stages are fundamental to the success of the product. Selecting positioning equipment for these demanding applications is a complex balance of performance versus cost.
Stepper or Servo? An often-asked question when specifying a motor for a motion control system. Knowing when to use which can be important in the accuracy, performance, and cost of your machine.