Optimal control of slow-active vehicle suspension—results of experimental data

M Sibielak, J Konieczny, J Kowal… - Journal of Low …, 2013 - journals.sagepub.com
Laboratory investigations of an active vehicle suspension of an in-series structure of the
slow-active type are presented in this paper. The multidimensional model is reduced to a …

Optimal control based on a modified quadratic performance index for systems disturbed by sinusoidal signals

M Sibielak, W Raczka, J Konieczny, J Kowal - Mechanical Systems and …, 2015 - Elsevier
The problem of optimal control of systems disturbed by sinusoidal signals for infinite control
time is considered. To evaluate the control laws, a modified mean-square performance …

Application of an SMA spring for vibration screen control

W Raczka, M Sibielak, J Kowal… - Journal of Low …, 2013 - journals.sagepub.com
Use of springs made of an alloy with shape memory (SMA) to shape the dynamic
characteristics of a resonance vibration screen is proposed in this paper. These springs …

Energy consumption of an active vehicle suspension with an optimal controller in the presence of sinusoidal excitations

J Konieczny, W Rączka, M Sibielak… - Shock and …, 2020 - Wiley Online Library
Control of vibration is a significant problem in the design and construction of vehicle
suspensions. The usage of controlled suspensions is important due to ride comfort, driving …

Laboratory tests of shape memory alloy wires

W Rączka, J Konieczny, M Sibielak - Solid State Phenomena, 2013 - Trans Tech Publ
In this paper, tests on Shape Memory Alloy (SMA) wires for use in controlled actuators have
been discussed. Selected static and dynamic characteristic curves being the result of …

The control system for a vibration exciter

J Konieczny, M Sibielak, W Rączka - Solid State Phenomena, 2013 - Trans Tech Publ
The paper presents the control system for an electro-hydraulic vibration exciter. A vibration
exciter is used to carry out kinematic and forced excitations. Such excitations are needed …

Application of shape memory alloy to vibrating systems

W Rączka, J Konieczny… - 2019 20th International …, 2019 - ieeexplore.ieee.org
The paper concerns shape memory alloy (SMA) application to properties control of the
vibration isolation systems. These alloys are called “smart” because of their special functions …

Modified sigmoid based model and experimental analysis of shape memory alloy spring as variable stiffness actuator

BB Sul, K Dhanalakshmi - Smart Structures and Systems, An …, 2019 - dbpia.co.kr
The stiffness of shape memory alloy (SMA) spring while in actuation is represented by an
empirical model that is derived from the logistic differential equation. This model correlates …

Modelling hysteresis with neural network

W Rączka, M Sibielak… - 2023 24th International …, 2023 - ieeexplore.ieee.org
An example of a system with hysteresis is an actuator made of SMA. In the paper, the LSTM
neural network was used to model the actuator. The focus was pointed to its hysteretic part …

Modelling of SMA vibration systems in an AVA example

W Rączka, J Konieczny, M Sibielak - Materials, 2021 - mdpi.com
Vibration suppression, as well as its generation, is a common subject of scientific
investigations. More and more often, but still rarely, shape memory alloys (SMAs) are used …