An escalator condition monitoring system and method
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Embodiment 1
[0058] refer to figure 2 , The present invention provides an escalator state monitoring system, including a signal sensing subsystem, a data acquisition subsystem and a monitoring and diagnosis main system, the signal sensing subsystem is used to obtain the state information of the escalator in the running process, The data acquisition subsystem is used for pre-processing the acquired state information to acquire and store the corresponding original state information, and the monitoring and diagnosis main system is used for analyzing the original state information and extracting features to obtain real-time state information. After the feature vector, online monitoring, early warning and alarm processing are carried out, and the state feature vector is combined with historical fault data and / or expert knowledge base for self-learning intelligent diagnosis and fault prediction.
[0059] Further as a preferred embodiment, the data acquisition subsystem includes a signal conditi...
Embodiment 2
[0088] A method for monitoring the state of an escalator, comprising the steps of:
[0089] S1. Obtain the status information of the escalator during operation;
[0090] S2. After preprocessing the obtained state information, collect and obtain the corresponding original state information;
[0091] S3. Analyze and extract the original state information of the escalator to obtain the real-time state feature vector, perform online monitoring, early warning and alarm processing, and conduct self-learning on the state feature vector in combination with historical fault data and / or expert knowledge base. Intelligent diagnosis and fault prediction.
[0092] Further as a preferred embodiment, the step of analyzing and extracting the original state information of the escalator to obtain a real-time state feature vector described in the step S3 is specifically: pre-preparing the original state information of the escalator in turn. After processing, Fourier transform, feature extracti...
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