磁悬浮输送线变曲率轨迹预测控制方法、系统及存储介质

By combining the arc length parameterized variable curvature trajectory prediction model with the rolling optimization cost function, the trajectory control problem of the magnetic levitation conveyor line under variable curvature path is solved, realizing high-precision trajectory tracking and stable levitation, and improving the energy utilization efficiency and stability of the system.

CN121091687BActive Publication Date: 2026-07-17SHENZHEN SEIKO PRECISION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN SEIKO PRECISION CO LTD
Filing Date
2025-10-31
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing magnetic levitation transport line trajectory control under variable curvature path faces problems such as accumulated trajectory prediction deviation, mismatch between levitation force vector and path normal, frequent control energy mutations and insufficient system stability. This is mainly because traditional control schemes fail to effectively integrate path geometric features and electromagnetic force constraints.

Method used

A variable curvature trajectory prediction model based on arc length parameterization is constructed. The Frenet-Serret formula is used to describe the dynamic behavior of the carrier. The dynamic adaptive adjustment of the suspension force vector is achieved by combining the rolling optimization cost function. Multi-sensor fusion technology is used for real-time parameter updates to ensure trajectory tracking accuracy and control energy smoothness.

Benefits of technology

Under complex paths, the accuracy of carrier trajectory tracking was improved by 60%, the accuracy of matching the levitation force vector direction with the path normal was improved by 60%, the electromagnetic coil current fluctuation was reduced by 45%, and the system energy utilization efficiency was improved, ensuring the stable operation of the magnetic levitation conveyor line.

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Abstract

本发明涉及磁悬浮输送线技术领域,具体为一种磁悬浮输送线变曲率轨迹预测控制方法、系统及存储介质。步骤包括:建立磁悬浮输送线的变曲率轨迹预测模型,所述变曲率轨迹预测模型通过运动学方程与几何约束描述输送载体在变曲率路径上的动态行为,用于实时预测轨迹偏差。本发明通过构建变曲率轨迹预测模型与多目标滚动优化的控制体系,系统性解决了复杂路径下磁悬浮载体的轨迹跟踪与悬浮稳定难题。其优势体现在:基于弧长参数化的曲线坐标系与Frenet‑Serret公式构建的预测模型,将时间域运动方程映射至空间域路径坐标系,精确描述了曲率变化对横向位移动力学的影响,从模型层面消除了传统固定曲率近似导致的动力学失配。
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Citation Information

Patent Citations

  • CN112947083A

  • CN120764083A