Hi everyone, help me understand the meaning of the 2 parameters Kv Ki in the measurement block in the Bus block, and how to determine that parameter.

Answer 1

[Sam Chak]

Hai @hai,

The electronic amplifier-like block is referred to as the 'Gain' block, which multiplies the input by a constant value known as gain (a term commonly used by Electrical Engineers). The user has designated these gains as 'Kv' and 'Ki,' likely signifying the coefficients for the voltage signal (v) and the current signal (i). From the Block parameter menu, the user assigned a value of to Kv by clicking the vertically aligned ellipsis (three dots ⋮).

[hai]

thank you sir .

how to determine that parameter.

[Sam Chak]

Hi @hai

The true answer can only be provided by the author of the Simulink model. The user likely determined the value of Kv using a formula, which may be found in electrical engineering textbooks. Alternatively, she may have tuned the gain over a range until achieving a specific value that delivers satisfactory performance.

[hai]

thank you sir

[Sam Chak]

You're welcome @hai. If you have a specific system (preferably a simple one) for which you would like to determine the gains, you may post a new question. Nowadays, with the rise of AI and machine learning, as well as the widespread use of metaheuristic optimization algorithms, very few people rely on formulas to determine parameters, unlike control theorists with a mathematical background 😅.

Most people apply various forms of automated tuning or optimization algorithms to search for the 'best gain values' that maximize performance and profits with just the click of a button in the computational software.

[hai]

yes