The necessity of studying six-axis accelerometers was presented based on engineering practice's requirements for sensors with high level,precies and sophisticated performances.Six-axis accelerometers were classified according to positions of imput signals.Their essential attributes,applicable areas and relationships between them were analyzed.The progresses and achievements obtained by domestic and foreign scholars in this field were expounded in detail.Some innovative ideas and technical bottlenecks for this type accelerometers were pointed out.Through deeply studying the decoupling mechanism of six-axis accelerometers,a sally port was found to solve bottleneck problems.At last,the key technologies needed and the future trends of this type sensors were presented.The conclusions and prospects provided a valuabe reference for researchers in this area.%基于产品性能的高精尖发展需求，指出了研究六维加速度传感器的必要性。根据输入信号的作用部位对六维加速度传感器进行了分类，分析了各类型的本质属性和适用场合，并指出它们之间的关联。以解耦算法为主线，详细阐述了近十年来国内外学者在六维加速度传感器领域所做的工作及取得的成果，进一步提炼出个体的创新思想和共同面临的技术瓶颈。通过深入挖掘六维加速度传感器的解耦机理，找到了解决瓶颈问题的突破口，同时针对亟需解决的关键技术和未来的发展趋势给出了几点思考。得出的结论和展望给从事这一领域的研究者们提供了较有价值的参考。
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