Photovoltaic Wafer Handling AGV: High-Precision Navigation and Three-Dimensional Safety Protection

In the intelligent production workshop for photovoltaic cells, AGVs are responsible for handling the high-value, highly fragile silicon wafer baskets. Due to the compact nature of the workshop environment, machinery often features suspended displays or operator workstations, and AGV bodies tend to be relatively tall—typically standing over 1.5 meters high. If radar sensors were installed only at the bottom of the AGVs, this would create a significant “upper-body blind zone.” Should an AGV’s upper body collide with anything, not only could expensive production equipment be damaged, but the intense vibrations could also cause the entire batch of silicon wafers to shatter, resulting in severe economic losses. Moreover, AGVs must precisely dock with machine conveyor belts to within millimeter-level accuracy, placing extremely stringent demands on navigation precision.

Application Logic: Adopt a combined approach of “bottom guidance and top avoidance.”
① Core of the bottom navigation: An ILS-F30 navigation and obstacle-avoidance laser radar is deployed at the front of the AGV chassis. Leveraging its high-precision ranging capability, this radar performs SLAM mapping and localization, guiding the AGV to navigate through narrow passages and enabling precise docking with machinery. At the same time, it is responsible for detecting low-lying obstacles on the ground.
② Top/Side Protection: Install the ILS-F31-C obstacle-detection laser radar on the top or sides of the AGV at a high position to establish a second “high-altitude defense line.” This radar is specifically designed to detect suspended machine components, open cabinet doors, or the upper bodies of personnel, thereby filling the blind spots in the field of view of the bottom-mounted radar.

Technological Advantages: By leveraging the synergy between F30 and F31-C, this solution has created a three-dimensional sensing space for tall wafer-handling AGVs. Thanks to its navigation accuracy of ±2 cm and exceptional resistance to ambient light interference, F30 ensures stable operation and precise docking of the AGV even under the complex lighting conditions found in photovoltaic workshops. Meanwhile, the compact size of F31-C makes it easy to integrate into the upper part of the vehicle body. Its flexible zone-setting capability effectively filters out normal protrusions on machinery, triggering alarms only when genuine intrusion threats are detected. In doing so, it not only guarantees absolute safety for silicon wafers but also enables uninterrupted production logistics.

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Mobile robot

Electronic

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Integrated Autonomous Navigation, Positioning, and Safe Obstacle Avoidance for AGVs

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Integrated Autonomous Navigation, Positioning, and Safe Obstacle Avoidance for AGVs

AGV for safe obstacle avoidance during heavy-load yarn bobbin transfer in the synthetic fiber workshop

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