Stability Compensation Design and Analysis of a Piezoelectric Ceramic Driver with an Emitter Follower Stage

doi:10.3390/mi14050914

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	Stability Compensation Design and Analysis of a Piezoelectric Ceramic Driver with an Emitter Follower Stage
	X. Wang, N. Zheng, F. Wei, Y. Zhou and H. Yang
	2023
发表期刊	Micromachines
ISSN	2072666X
卷号	14 期号:5
摘要	Piezoelectric ceramic has been widely applied in many fields because of its characteristics, and the performance of piezoelectric ceramic is determined strongly by its driver. In this study, an approach to analyzing the stability of a piezoelectric ceramic driver with an emitter follower stage was presented, and a compensation was proposed. First of all, using the method of modified nodal analysis and loop gain analysis, the transfer function for the feedback network was analytically deduced, and the cause of the instability of the driver was found to be the pole composed of the effective capacitance from the piezoelectric ceramic and the transconductance from the emitter follower. Then, a compensation involving a novel delta topology composed of an isolation resistor and a second feedback path was proposed, and its function principle was discussed. Simulations showed a correspondence between the analysis and the effectiveness of the compensation. Finally, an experiment was set up with two prototypes, one with compensation, and the other without compensation. Measurements showed the elimination of oscillation in the compensated driver. © 2023 by the authors.
DOI	10.3390/mi14050914
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收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67974
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X. Wang, N. Zheng, F. Wei, Y. Zhou and H. Yang. Stability Compensation Design and Analysis of a Piezoelectric Ceramic Driver with an Emitter Follower Stage[J]. Micromachines,2023,14(5).
APA	X. Wang, N. Zheng, F. Wei, Y. Zhou and H. Yang.(2023).Stability Compensation Design and Analysis of a Piezoelectric Ceramic Driver with an Emitter Follower Stage.Micromachines,14(5).
MLA	X. Wang, N. Zheng, F. Wei, Y. Zhou and H. Yang."Stability Compensation Design and Analysis of a Piezoelectric Ceramic Driver with an Emitter Follower Stage".Micromachines 14.5(2023).

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