Fault diagnosis method with fault-tolerant control of switch reluctance motor position sensors
A technology for switching reluctance motors and sensor faults, which is applied in the direction of electronic commutator, motor generator testing, etc. It can solve the problems of adding angle detection links, being unable to distinguish which phase is faulty, and being unable to diagnose, etc., to achieve good speed and performance. Fault-tolerant effect, high reliability and scope of application, fast and accurate diagnosis
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0039] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:
[0040] The present invention provides a fault diagnosis method with fault-tolerant control of a position sensor of a switched reluctance motor, comprising the following steps:
[0041] (1) The motor has multiple position sensors, and the number of position sensors is different for different motors. For a certain position sensor signal, use DSP to detect the time t when four consecutive edges appear in real time 1 , t 2 , t 3 , t 4 , calculate the time Δt between two adjacent edges 1 =t 2 -t 1 , Δt 2 =t 3 -t 2 , Δt 3 =t 4 -t 3 , the interval time is short enough, the motor angular acceleration α between four consecutive edges is considered constant, and the time Δt required to pass three identical angles continuously 1 , Δt 2 and Δt 3 There is a certain relationship, and the relationship is calculated by the formula as follows:
[0042] ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com