Intelligent loading and unloading method and system

By using distributed pressure sensing units and data analysis technology, the contact force threshold is dynamically adjusted, which solves the problem of improper clamping force adjustment for goods of different materials in intelligent loading and unloading systems. This achieves stable and reliable adaptive clamping force control, improving the safety and adaptability of the loading and unloading process.

CN122126610APending Publication Date: 2026-06-02HEFEI GARDEN HOISTING & TRANSPORTATION MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEFEI GARDEN HOISTING & TRANSPORTATION MASCH CO LTD
Filing Date
2026-03-25
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing intelligent loading and unloading systems have difficulty accurately identifying changes in contact state when dealing with goods of different materials, leading to improper adjustment of clamping force. This may cause carton deformation or metal parts to slip off, affecting the stability and safety of the loading and unloading process.

Method used

Data is collected under the initial contact state by a distributed pressure sensing unit. The signal superposition of multiple carton layers is analyzed, the contact force threshold is dynamically adjusted, and the clamping force adjustment command is generated by combining the friction coefficient change trend and hardness parameter, thus forming a closed-loop self-optimization mechanism.

Benefits of technology

It significantly improves cargo protection and clamping stability during the loading and unloading of multi-layer flexible cardboard boxes, avoids malfunctions or damage caused by traditional fixed threshold methods, and enhances the adaptability and safety of automated logistics equipment.

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Abstract

This application provides an intelligent loading and unloading method and system, comprising: collecting data on the soft surface of a carton under initial contact conditions through a distributed pressure sensing unit, obtaining the signal superposition of multiple layers of carton, and obtaining the contact force value distribution; processing the signal superposition of multiple layers of carton using a pressure distribution data analysis method to obtain the dynamic change trend of the surface friction coefficient after analysis; if the adjustment command corresponding to the type of goods indicates a higher threshold for the metal parts, adjusting the contact threshold to ensure sufficient contact, and determining the final increase in clamping force; instructing the actuator to gradually increase the clamping force according to the final increase in clamping force, obtaining real-time feedback pressure distribution data, and obtaining a trigger delay correction value; updating the threshold database parameters using the trigger delay correction value to avoid triggering the adjustment action too early or too late, and determining the optimized contact force threshold; and re-monitoring the initial contact state using the optimized contact force threshold to obtain a stable clamping force adjustment program output.
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