Robust Mechanical Systems with Mechatronic Devices: Parameters Identification and Vibration Control
Journal Title: Український журнал із машинобудування і матеріалознавства - Year 2015, Vol 1, Issue 1
Abstract
The disturbance estimated with the help of advanced mechatronic devices is used for realization of robust mechanical system, such as agricultural machines. In the actual application, the estimated disturbance is effective not only for the disturbance compensation but also for the parameter identification in the mechanical system. The identified external force is applicable to sensorless force feed-back control in mechanical system and is utilized for a realization of mechanical vibration control. The progress of robust control technologies makes it possible to realize high performance motion control. In the industrial drive system such as a modern agricultural machine with advanced mechatronic device system for motion control, however, the developed technology is not enough to obtain the stable and high speed motion response since the mechanical vibration arises under the high accuracy positioning control. The mechanical vibration control is also taken in the field of the motion control. In particular, a vibration control based on the external force feedback brings the sophisticated advantages to the mechatronic system. The paper introduces a vibration control strategy based on the external force feedback called “resonance ratio control” in multiple resonance system. In this case, the external force may be obtained by using the identification process.
Authors and Affiliations
Yurii Chovnyuk, Mykhailo Dikterjuk
On Free Oscillations of a Quadratic Nonlinear Oscillator
A free oscillations of a system with one degree of freedom, caused either by the initial deviation from the stable equilibrium position or by the initial velocity provided by the oscillator in this position was considere...
Free oscillations of an oscillator with nonlinear positional friction
The variations of a system with one degree of freedom in the presence of nonlinear positional friction were considered. The restoring force of the oscillator's elasticity is described by the power function. A nonlinear s...
Innovation Technologies in Training Specialists in Engineering Materials Science
The aim of educational program TEMPUS is the integration of Eastern countries in the Bologna process. Participating of Lviv Polytechnic National University in project “Modernization of two cycles (MA, BA) of competence-b...
Research of volt-ampere characteristics of the wire Pierce electron gun under electron-beam microprocessing of dielectrics
The article considers the basic energy characteristics of a wire Pierce electron-beam gun, which used for microprocessing of dielectric materials in vacuo. The aim of the work is to determine the optimal regimes of elect...
Analysis of Structure and Kinematics of Four-Bar Crank-Rocker Walking Mechanism
Problems and prospects of using the walking mode for producing motion of robotic systems are considered. Advantages and spheres of the use of mobile robotic systems equipped with walking movers are substantiated. Prefere...