The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2026
Filed:
Jul. 07, 2023
Tula Etechnology Inc., San Jose, CA (US);
Vijay Srinivasan, Farmington Hills, MI (US);
Benjamin Matthew Wolk, Oakland, CA (US);
Elliott A. Ortiz-Soto, San Jose, CA (US);
Shahaboddin Owlia, Royal Oak, MI (US);
Xiaoping Cai, San Jose, CA (US);
Kai Wan, San Jose, CA (US);
Tula eTechnology Inc., San Jose, CA (US);
Abstract
Methods, systems, and devices for electric machine drive calibration, verification, and efficiency improvement are disclosed herein. One electric machine controller for calibration includes a processor and memory and instructions that are stored in the memory and executable by the processor to identify a vehicle and/or electric machine frequency response during operation of the vehicle and use the electronic machine and a dynamic motor drive converter to provide source excitations based on the identified frequency response.