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Method and system for identifying effective tension of cable structure under complex stress based on resonance enhanced magnetoelastic effect
The invention discloses a method and a system for identifying effective tension of a cable structure under complex stress based on a resonance enhanced magnetoelastic effect, which are applied to the technical field of bridge engineering and used for acquiring attribute parameters of a bridge cable structure. Determining a function relationship between the induced voltage and the effective tension according to the attribute parameters of the cable structure, and determining the number of winding turns of the primary coil and the secondary coil by combining the function relationship with an established coil optimization model; establishing a transmission coupling model of the two coils by using the number of winding turns and determining the winding radius of the sensor coil, and determining the optimal input current signal frequency; fixed parameters are calibrated under the optimal input current signal frequency condition; a sensor is used for collecting induced voltage signals of the cable structure under complex stress, the induced voltage signals are substituted into a cable force recognition formula, and the actual effective tension of the cable structure is obtained. The coil is optimized according to actual cable structure parameters, the sensitivity of signals to cable force is improved, input signal parameters of the sensor are determined, and the transmission efficiency of the sensor is improved.
本发明公开了一种基于共振增强磁弹效应识别复杂应力下索结构有效张力的方法及系统，应用在桥梁工程技术领域，获取桥梁索结构属性参数；根据索结构属性参数确定感应电压与有效张力间的函数关系，利用函数关系结合建立的线圈优化模型确定初级线圈和次级线圈的绕制匝数；利用绕制匝数以及确定传感器线圈绕制半径，建立两线圈的传输耦合模型，确定最佳的输入电流信号频率；在最佳的输入电流信号频率条件对固定参数进行标定；利用传感器对复杂应力下的索结构进行感应电压信号采集，带入索力识别公式，得到索结构的实际有效张力。本发明根据实际索结构参数优化线圈，提高信号对索力的敏感性，确定传感器的输入信号参数，提高了传感器的传输效率。
Method and system for identifying effective tension of cable structure under complex stress based on resonance enhanced magnetoelastic effect
The invention discloses a method and a system for identifying effective tension of a cable structure under complex stress based on a resonance enhanced magnetoelastic effect, which are applied to the technical field of bridge engineering and used for acquiring attribute parameters of a bridge cable structure. Determining a function relationship between the induced voltage and the effective tension according to the attribute parameters of the cable structure, and determining the number of winding turns of the primary coil and the secondary coil by combining the function relationship with an established coil optimization model; establishing a transmission coupling model of the two coils by using the number of winding turns and determining the winding radius of the sensor coil, and determining the optimal input current signal frequency; fixed parameters are calibrated under the optimal input current signal frequency condition; a sensor is used for collecting induced voltage signals of the cable structure under complex stress, the induced voltage signals are substituted into a cable force recognition formula, and the actual effective tension of the cable structure is obtained. The coil is optimized according to actual cable structure parameters, the sensitivity of signals to cable force is improved, input signal parameters of the sensor are determined, and the transmission efficiency of the sensor is improved.
本发明公开了一种基于共振增强磁弹效应识别复杂应力下索结构有效张力的方法及系统，应用在桥梁工程技术领域，获取桥梁索结构属性参数；根据索结构属性参数确定感应电压与有效张力间的函数关系，利用函数关系结合建立的线圈优化模型确定初级线圈和次级线圈的绕制匝数；利用绕制匝数以及确定传感器线圈绕制半径，建立两线圈的传输耦合模型，确定最佳的输入电流信号频率；在最佳的输入电流信号频率条件对固定参数进行标定；利用传感器对复杂应力下的索结构进行感应电压信号采集，带入索力识别公式，得到索结构的实际有效张力。本发明根据实际索结构参数优化线圈，提高信号对索力的敏感性，确定传感器的输入信号参数，提高了传感器的传输效率。
Method and system for identifying effective tension of cable structure under complex stress based on resonance enhanced magnetoelastic effect
一种基于共振增强磁弹效应识别复杂应力下索结构有效张力的方法及系统
ZHOU JINGXIANG (author) / DU QIAN (author) / DU JIALIN (author)
2024-12-27
Patent
Electronic Resource
Chinese
IPC:
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
/
E01D
BRIDGES
,
Brücken
/
G01L
Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden
,
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
Study on cable tension sensor based on magnetoelastic effect
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