Development of the gearless electric drive for the elevator lifting mechanism

Authors

DOI:

https://doi.org/10.15587/1729-4061.2018.139726

Keywords:

elevator winch, gearless electric drive, bi-induction motor, brushless motor, lifting mechanism

Abstract

A technical analysis of the requirements for drive motors and rope driving pulleys of gearless elevator winches was performed. The possibility of application of the developed slow-moving electric motor of the bi-induction type with the unwound rotor was considered. A similar motor was produced with the rotor of the face or cylindrical type and the stator, which do not have a common yoke. The face type rotor comprises a few ferromagnetic poles fixed on a non-magnetic disk. The main design parameters of bi-induction motors for the series of speeds of the elevator car motion were generated. Recommendations on selection and compliance of the rates of elevator winches with the diameters of rope driving pullies were given. The synthesis of the system of control of the elevator electric drive was performed. It is proposed to use the microprocessor system of subordinate control of the use of the relay current controller, PI-controller of rate and P-controller of position. The results of the research revealed that there is a possibility of the exact reproduction of the assigned trajectory of the car motion and the exact stop, made on a certain floor without additional operations of approaching the assigned point. The motion is performed according to the calculated trajectory with restriction of the assigned speed at the level of the rated one, acceleration – up to 1 m/s2 and the jerk – up to 3 m/s2. These parameters fully meet the conditions of comfortable passenger transportation.

The difference between the experimental data and the results of modelling does not exceed 7 % in the static and 15 % in dynamic modes. The main advantages of the proposed gearless elevator electric drive were specified. In particular, it was determined that the proposed electric drive due to the design features of the quietly operating motor has much lower weight, dimensions and inertia than the traditional one in the basic option at the other similar parameters.

Author Biographies

Andriy Boyko, Electromechanics and Energy Institute Odessa National Polytechnic University Shevchenka ave., 1, Odessa, Ukraine, 65044

Doctor of Technical Sciences, Professor, Director 

Yana Volyanskaya, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolayiv, Ukraine, 54025

PhD, Associate Professor

Department of Electrical Engineering of Ship and Robotic Complexes

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Published

2018-07-27

How to Cite

Boyko, A., & Volyanskaya, Y. (2018). Development of the gearless electric drive for the elevator lifting mechanism. Eastern-European Journal of Enterprise Technologies, 4(1 (94), 72–80. https://doi.org/10.15587/1729-4061.2018.139726

Issue

Vol. 4 No. 1 (94) (2018): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2018 Andriy Boyko, Yana Volyanskaya

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