Abstract
The goal of the following paper was the synthesis of multivariable control systems. Due to the popularity and usability of the BLT method for tuning such systems, we proposed a certain modification. The BLT method uses the Ziegler-Nichols (ZN) method for tuning the PI regulators for the main channels. The limitations caused by the ZN method for the plant’s transfer function form resulted in limiting the use of the BLT method. Therefore this paper put forwards the modification based on using the tuning methods different than ZN. This paper shows the examples of using different tuning methods than ZN which were adjusted to the form of the plant’s transfer function. Such an approach allowed to extend the range of the acceptable kinds of the plant’s transfer functions in the main channels during the synthesis of the multivariable control system. It allowed to use the knowledge of single-variable control systems for tuning the multivariable control systems. The example presented in this paper illustrates the usefulness of such an approach.
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