What’s on the Steady-State Error poster
A 6-row table: Case · Steady-state error.
System type is the number of open-loop poles at the origin.
- Type 0, step input — 1 ÷ (1 + position constant)
- Type 0, ramp input — Infinite: it never catches up
- Type 1, step input — Zero
- Type 1, ramp input — 1 ÷ velocity constant
- Type 2, ramp input — Zero
- Type 2, parabola input — 1 ÷ acceleration constant
Each integrator removes one order of error and costs 90 degrees of phase. That is the whole trade.
Questions about the Steady-State Error poster
- What’s on the Steady-State Error poster?
- A 6-row table: Case · Steady-state error. System type is the number of open-loop poles at the origin. Type 0, step input — 1 ÷ (1 + position constant); Type 0, ramp input — Infinite: it never catches up; Type 1, step input — Zero; Type 1, ramp input — 1 ÷ velocity constant; Type 2, ramp input — Zero; Type 2, parabola input — 1 ÷ acceleration constant. Each integrator removes one order of error and costs 90 degrees of phase. That is the whole trade.
- Who is the Steady-State Error poster for?
- Steady-State Error 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 Steady-State Error poster?
- Specifying tracking accuracy, or explaining a permanent offset in a loop. A wall chart earns its place by being glanceable from where the work is happening, so Steady-State Error belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
- What other posters go with Steady-State Error?
- Block Diagram Algebra, Gain & Phase Margin and First-Order Response sit alongside Steady-State Error 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 Steady-State Error poster free to download and print?
- Yes. Steady-State Error 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 Steady-State Error poster print at?
- Steady-State Error 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 Steady-State Error loses nothing.Printing guide
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First-Order Response
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Nyquist Criterion
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Open or Closed Loop?
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The Three PID Terms
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Poles and Response
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