Abstract

The article deals with a robotic vibroprotection platform with electro-hydraulic drive. Built mathematical model systems from the account for characteristics of the drive. Synthesized invariant controller by system state that uses reverse ties coefficients. Controller synthesized at discrete area with a restriction in the magnitude of the relative displacement of the object relative to the base. To ensure the stability of the controller are selected in regulation law amendment providing the desired value of the relative displacement. The results of mathematical modeling are presented.

Highlights

  • Vibration accompanies us everywhere and in most cases it is undesirable

  • Important today is the issue of human vibroprotection

  • The formation of physiological and pathological shifts on the part of various systems of the body, the frequency and severity of these disorders depends on the ergonomic data of the workplace and human characteristics

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Summary

Introduction

Vibration accompanies us everywhere and in most cases it is undesirable. First of all, one can call vibration and fluctuations in road and rail transport, in the mining industry, vibration of equipment, motors and machines, oil and gas platforms, buildings and structures in the zone of high seismic hazard, undesirable vibrations of laboratory tables (especially optical ones) etc. Consider a system with an electrohydraulic actuator (Figure 1), which includes a hydraulic cylinder located between the object and the base, an electrohydraulic transducer, as well as the actual vibration protection object, accelerometers on the object and the base, a relative displacement sensor and a controller. Consider the synthesis of invariant control [1, 2], which will create such a system operating modes which provide full stabilization vibration isolation object [3].

Results
Conclusion

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