Research on Modal Degeneracy Characteristics of an Annular Four-Legged Piezoelectric Robot Based on Modal Tracking and Sequential Optimization
FENG Chen, ZHOU Li, REN Ze-xi, ZHANG Ao-yu, LIU Xiao-yu
Manufacturing Automation . 2026, (8): 57 -64 .  DOI: 10.3969/j.issn.1009-0134.2026.08.006