一种振动陀螺不平衡质量修调方法及测试装置

本发明属于振动陀螺技术领域，具体是涉及到一种振动陀螺不平衡质量修调方法及测试装置，包括以下步骤：S1、将振动陀螺驱动至摇摆模态，进行二次谐波误差的检测与修调；S2、将振动陀螺驱动至摇摆模态，进行一次谐波误差的检测与修调；S3、将振动陀螺驱动至上下模态，进行三次谐波误差的检测与修调，本发明通过对谐振结构振动位移检测，通过多个模态的振动位移计算出谐振结构的二次谐波误差、一次谐波误差和三次谐波误差。能够在不增加额外结构的条件下，快速实现振动陀螺不平衡质量检测，具有检测效率高，硬件成本低的优势。 The invention belongs to the technical field of vibrating gyroscopes, and particularly relates to a vibrating gyroscope unbalanced mass trimming method and a testing device.The vibrating gyroscope unbalanced mass trimming method comprises the following steps that S1, a vibrating gyroscope is driven to be in a swinging mode, and secondary harmonic error detection and trimming are conducted; s2, driving the vibrating gyroscope to a swing mode, and detecting and trimming a first harmonic error; and S3, driving the vibrating gyroscope to an upper mode and a lower mode, and detecting and trimming a third harmonic error. According to the method, the second harmonic error, the first harmonic error and the third harmonic error of the resonant structure are calculated through