Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements

Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements

US Patent 5883344 · Granted Mar 16, 1999

Estimated economic value: $15,156,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Enhancing elevator sensor operation for improved maintenance2023
System and method of freeze protection for a chiller2022
Rotor resistance based motor thermal protection2021
Detection of initial motor rotation in mains-fed induction motor2019
Power meter with current and phase sensor2017
Systems and methods for lock access management using wireless signals2017
Access control apparatus with modular encoder subassembly2017
Systems, methods, and devices for demodulating induction motor instantaneous rot2016
Method of automatically detecting an anomalous condition relative to a nominal o2014
System and method for measuring atmospheric parameters in enclosed spaces2014
Methods and devices for estimation of induction motor inductance parameters2013
Wireless elevator hall fixtures integral with hall door frame2013