Control system and control method of flexible permanent magnet brushless DC motor
US11962219B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2020 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Jun 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control system of a flexible permanent magnet brushless DC motor, comprising a DC power supply, a filter capacitor, a voltage source inverter, a permanent magnet brushless DC motor and a controller, wherein an output end of the DC power supply is connected with the filter capacitor in parallel; the voltage source inverter is provided with m bridge arms which are connected with both ends of the filter capacitor in parallel; upper and lower controllable switching devices are arranged on each bridge arm; the phase number of armature winding of the permanent magnet brushless DC motor is equal to the number of bridge arms; head ends of armature windings of each phase are correspondingly connected with intermediate contacts of the upper and lower controllable switching devices of one bridge arm, tail ends of armature windings of each phase are connected together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.