Feature extraction and identification method based on associated data of substation equipment

The invention provides a feature extraction and identification method based on the associated data of the substation equipment, comprising the following steps: 1) establishing a feature extraction database based on the substation equipment; 2) establishing a feature recognition database based on that component of the substation equipment; 3) establishing a three-dimensional simulation equipment sample training platform based on the substation work area; 4) establishing a device feature extraction and identification system, and connecting that device feature extraction and identification systemin real time by a field man through a portable terminal; 5) synchronously viewing the working scene of the filed man, and directly marking the key components or key work in the background by handwriting by the equipment feature extraction and recognition system in the background of the substation through the network image of the portable terminal, so as to realize the remote real-time guidance.The invention establishes a