FAULT CLASSIFICATION IN ELEVATOR SYSTEMS
DE602020062011T2Active Publication Date: 2025-11-12OTIS ELEVATOR CO
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Patent Information
- Application Number
- DE602020062011
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-05-29
- Publication Date
- 2025-11-12
- Estimated Expiration
- 2040-05-29
AI Technical Summary
Technical Problem
Existing elevator systems face challenges in accurately and quickly classifying faults due to the independent operation of safety chains, which can lead to misclassification of drive hardware issues as safety chain breaks, delaying diagnosis and repair.
Method used
An elevator system that utilizes both drive information and safety chain information to classify faults, considering the order and timing of information receipt, and includes a control device to issue safety chain break commands and analyze electrical safety chain signal properties for precise fault identification.
Benefits of technology
Enhances fault classification accuracy by distinguishing between safety chain breaks and drive system faults, allowing quicker identification and resolution of issues.
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