Open or Closed Loop?What feedback buys you, and the stability it costs in exchange.Mechanical EngineeringOpen loopThe output is never measuredCheap, simple, always stableCannot reject a disturbanceAccuracy depends on calibrationClosed loopOutput is measured and fed backRejects disturbances and driftToo much gain makes it unstableNeeds a sensor, and sensornoise entersTHE DIFFERENCE THAT MATTERSFeedback buys accuracy and disturbance rejection, and it costs youstability margin.A toaster is open loop; an oven with a thermostat is closed. Both arecorrect choices for their job.Open or Closed Loop?learnposters.com
Open or Closed Loop? — printable engineering wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Open or Closed Loop? poster

Open loop against Closed loop, side by side.

A toaster is open loop; an oven with a thermostat is closed. Both are correct choices for their job.

Questions about the Open or Closed Loop? poster

What’s on the Open or Closed Loop? poster?
Open loop against Closed loop, side by side. Open loop: The output is never measured; Open loop: Cheap, simple, always stable; Open loop: Cannot reject a disturbance; Open loop: Accuracy depends on calibration; Closed loop: Output is measured and fed back; Closed loop: Rejects disturbances and drift; Closed loop: Too much gain makes it unstable; Closed loop: Needs a sensor, and sensor noise enters; Feedback buys accuracy and disturbance rejection, and it costs you stability margin.. A toaster is open loop; an oven with a thermostat is closed. Both are correct choices for their job.
Who is the Open or Closed Loop? poster for?
Open or Closed Loop? belongs to the Mechanical Engineering section rather than to a school year, because engineering is not something one grade owns. Anyone learning control systems can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Open or Closed Loop? poster?
At the start of any control design, when the architecture is still a choice. A wall chart earns its place by being glanceable from where the work is happening, so Open or Closed Loop? belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
What other posters go with Open or Closed Loop??
Block Diagram Algebra, Gain & Phase Margin and First-Order Response sit alongside Open or Closed Loop? in the Mechanical Engineering section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Block Diagram AlgebraGain & Phase MarginFirst-Order Response
Is the Open or Closed Loop? poster free to download and print?
Yes. Open or Closed Loop? downloads as a free PDF with no account, no email and no watermark, like everything else in the Mechanical Engineering section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Open or Closed Loop? poster print at?
Open or Closed Loop? is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Open or Closed Loop? loses nothing.Printing guide

Related posters

Charts that sit alongside Open or Closed Loop? on the same wall.

Browse every Mechanical Engineering poster, or start from the full catalogue.