It seems you are referring to a specific PDF resource: by Eronini (likely Umez-Eronini), possibly page 70 or a document of 70 pages.
Closed-loop TF.
[ \fracY(s)R(s) = \fracG(s)1 + G(s)H(s) ] dinamica de sistemas y control eronini pdf 70
Since I cannot directly access or retrieve specific PDF files, I have typically found in Eronini’s chapter on System Dynamics and Control (often used in engineering courses). Below is a helpful, self-contained report based on standard content from that text around page 70 (which usually covers Transfer Functions, Block Diagrams, or 2nd-order system response ). Helpful Report: System Dynamics & Control (Based on Eronini’s Approach) Topic Focus (Typical for p.70): Transfer Functions and Block Diagram Reduction for Linear Time-Invariant (LTI) Systems 1. Core Concept – Transfer Function (TF) Defined as the ratio of the Laplace transform of the output to the Laplace transform of the input, assuming zero initial conditions. It seems you are referring to a specific
