**6. Conclusions**

In this paper, a wind-pressure resonant cavity piezoelectric energy harvester was designed, and the working wind speed range was studied. Experimental analysis of the harvester was carried out and the following conclusions were obtained:


**Author Contributions:** Conceptualization, X.L.; Data curation, Z.L. and Q.L.; Formal analysis, Z.L.; Funding acquisition, X.S.; Investigation, Z.L. and Q.L.; Methodology, Z.L.; Project administration, X.L. and Q.L.; Resources, X.L. and X.S.; Software, Q.L.; Supervision, X.L. and X.S.; Writing—original draft, Z.L. and Q.L.; Writing—review and editing, X.L. and X.S.

**Funding:** This research was funded by National Natural Science Foundation of China, gran<sup>t</sup> number 51107121.

**Acknowledgments:** The experimental equipment and experimental materials provided by the State Key Laboratory of Robotics and System are gratefully acknowledged.

**Conflicts of Interest:** The authors declare no conflict of interest.
