The idea, design, and tests of the novel GMI sensor are presented, based on the compensation measurement principle, where the local 'zero-field' minimum of the double-peak characteristic was utilized as a sensitive null detector. The compensation field was applied in real-time with the help of microprocessor-based, two-step, quasi-Newtonian optimization. The process of material parameters optimization through Joule-annealing of chosen amorphous alloys is described. The presented results of the prototype test unit show linear output characteristic, low measurement uncertainty, and resistance against time and temperature drift.

中文翻译：

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新型巨型磁阻磁场传感器。

基于补偿测量原理，提出了新型GMI传感器的概念，设计和测试，其中将双峰特性的局部“零场”最小值用作灵敏的零检测器。在基于微处理器的两步准牛顿优化算法的帮助下，实时应用了补偿领域。描述了通过对选定的非晶态合金进行焦耳退火来优化材料参数的过程。原型测试单元的显示结果显示出线性输出特性，低测量不确定性以及抗时间和温度漂移的能力。