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The First Step - Machines and Robotic Total Stations

So back in the 80's there was really no good method of automating a machine to within tolerances of a job site. However, some brilliant folks in the survey field looked at their toys and decided they might be able to use them for better purpose.

How Robotic Total Stations Work
Basically a Total Station uses a prism and a laser. The laser is shot at the prism and returned to the total station. The time is calculated for the roundtrip and the distance is therefore measured. Also the laser gives a perfect reference to determine slope, deviance from horizontal, and therefore grade. A robotic total station is far superior to a regular total station in that it will "FIND" the prism and track it for the user.

So some brilliant folks hooked up a prism to their machines, and machine control was born.

There are pros and cons to controlling a machine with a Robotic Total Station, below is a short list of them.

Pros

  1. Precise Measurements
  2. Curves, and Unique Shapes

Cons

  1. Vibration reduces accuracy
    (no way to remove it)
  2. Fine Beam Prone to dust
  3. controls ONE machine
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