Influence of Moment of Inertia on Dynamic Characteristics of Permanent Magnet Brushless DC Motor
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Qiu Hongbo
und
Yang Cunxiang
Abstract
The mechanical performance of permanent magnet brushless DC motor (BLDCM) servo system is affected by the moment of inertia. In order to obtain the load moment of inertia effect on the motor dynamic performance, based on the time stepping finite element method (FEM), a two-dimensional finite element model of the BLDCM is established, and the motor drive circuit is built. The motor running state under different load moment of inertia is simulated. The motor dynamic characteristics and the output performance are studied. The influence of the moment of inertia on the starting characteristics and the load sudden change characteristics is obtained. The influence mechanism of the load moment of inertia on the motor output speed and torque is revealed. Finally, a prototype platform is built to test the motor no-load EMF. The correctness of the model is verified and the correctness of the research is proved indirectly. This research is of great significance to the research of the BLDCM servo control system.
Funding
This work was supported in part by the National Natural Science Foundation of China under Grant 51507156, in part by the University Key Scientific Research Programs of Henan province under Grant 17A470005, in part by the Doctoral Program of Zhengzhou University of Light Industry under Grant 2014BSJJ042, in part by the Major Science and Technology Special Projects of Henan Province under Grant 161100211600, in part by the Graduate Scientific and Technology Innovation Foundation of Zhengzhou University of Light Industry under Grant 2016001, in part by the Scientific and Technological Projects of Zhengzhou under Grant 20150442, and in part by the Foundation for Key Teacher of Zhengzhou University of Light Industry.
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- Decoupled AC/DC Power Flow Strategy for Multiterminal HVDC Systems
- Accurate Location of Evolving Faults on Transmission Lines Using Sparse Wide Area Measurements
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- Comparative Analysis of Sliding Mode Controller and Hysteresis Controller for Active Power Filtering in a Grid connected PV System
- Transient Stability by means of Generator Tripping, Under Frequency Load Shedding and a Hybrid Control Scheme
- Influence of Moment of Inertia on Dynamic Characteristics of Permanent Magnet Brushless DC Motor
- Risk Assessment of Power System Transmission Network Based on Cascading Failure Chains
- Development of a Low Cost Power Meter Based on A Digital Signal Controller
- Voltage Stability Improvement of Transmission Systems Using a Novel Shunt Capacitor Control
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