Hardware Implementation of Automatic Control System for New Generation Magnetorheological Supports

摘要

Damping and vibration protection systems of equipment are necessary for industrial applications. In many respects, the existing fluid supports' constructions for damping and vibration damping meets the requirements of industrial standards; they have some limitations and constructive disadvantages. The use of magnetorheological damping systems eliminates many disadvantages which are inherent to hydraulic dampers, but this leads to new operational problems, and they are inherent only to magnetorheological systems. The solution of these problems will improve efficiency and universalize magnetorheological dampers. Main disadvantages of magnetorheological systems are dependence on temperature stability of performances and significant heating of magnetorheological fluid in electromagnetic fields. The research paper presents methodological approaches to constructive solutions to these problems. It is considered as the original design of an adaptive combined rheological damper with magnetorheological chamber, which is control element of construction. Damping and vibration damping processes of a combined rheological damper includes magnetorheological, rheological and mechanical effects. It reduces the dependence on working environment temperature of performances. The effective method of combating environment heating is thermostating. The structure of a damping system has original rheological throttle-thermostat construction. The combination of new design solutions needs to create control algorithms, improve layout of devices and develop hardware implementation of control system and feedback. For ease of control and feedback implementation, there are selected devices which permist electrical measurements for non-electrical parameters. The text describes sensor arrangement in system and control algorithms for original devices. Component definition basics of multi-parametric control and correction signals are considered. These relevant proposals allow simplifying and speeding up of sensor interrogation processes and correction of signals.