In order to ensure the safety of people in the roadway during the movement of unmanned transportation vehicles in coal mines. a man-vehicle linkage control system in coal mines is proposed. A deep separable convolutional network is used to replace the DarkNet-53 feature extraction network of the YOLOv3 target detection model to improve the real-time performance of target detection. Ba... https://fitnessgravesyardes.shop/product-category/reduction-pulley-with-bracket/