System and method of integrated vibration monitoring in motor drives
US-10378951-B2 · Aug 13, 2019 · US
Observer control, e.g. using Luenberger observers or Kalman filters
Observer control, e.g. using Luenberger observers or Kalman filters · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P23/12 |
| Official title | Observer control, e.g. using Luenberger observers or Kalman filters |
| Display label | Observer control, e.g. using Luenberger observers or Kalman filters |
| Total patents | 219 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 11 |
| 2017 | 21 |
| 2018 | 14 |
| 2019 | 30 |
| 2020 | 20 |
| 2021 | 20 |
| 2022 | 22 |
| 2023 | 25 |
| 2024 | 27 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elevator control device
US-10280038-B2 · May 7, 2019 · US
Wiper device and method for controlling same
US-10207681-B2 · Feb 19, 2019 · US
Method and circuit for controlling or starting a u-shape single phase synchronous permanent magnet motors
US-2018351485-A1 · Dec 6, 2018 · US
Motor control apparatus in which power regeneration are adjusted, controller for converter, machine learning apparatus and method thereof
US-10135255-B2 · Nov 20, 2018 · US
System and Method of Integrated Vibration Monitoring in Motor Drives
US-2018292255-A1 · Oct 11, 2018 · US
System And Method For Isolation Of Load Dynamics In Motor Drive Tuning
US-2018262144-A1 · Sep 13, 2018 · US
Method and circuit for controlling or starting a u-shape single phase synchronous permanent magnet motors
US-10075110-B2 · Sep 11, 2018 · US
Machine learning system and magnetizer for motor
US-10061276-B2 · Aug 28, 2018 · US
Control device and speed reducer system
US-10042343-B2 · Aug 7, 2018 · US
Drive systems including sliding mode observers and methods of controlling the same
US-10008966-B2 · Jun 26, 2018 · US
System and method for improved motor drive tuning
US-9998053-B2 · Jun 12, 2018 · US
Machine learning apparatus and method for optimizing smoothness of feed of feed axis of machine and motor control apparatus including machine learning apparatus
US-9990590-B2 · Jun 5, 2018 · US
Rotor driving system and method for driving rotor
US-9979345-B1 · May 22, 2018 · US
Control device
US-9973128-B2 · May 15, 2018 · US
Sensorless control system for permanent magnet synchronous machine
US-2018123488-A1 · May 3, 2018 · US
Monitoring motor condition
US-9866165-B2 · Jan 9, 2018 · US
Machine learning apparatus and method for learning predicted life of motor, life prediction apparatus and motor system including machine learning apparatus
US-9811057-B2 · Nov 7, 2017 · US
Method and apparatus for vibration damping in a powertrain system
US-2017317631-A1 · Nov 2, 2017 · US
Elevator control device
US-2017297859-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P23/12?
- CPC H02P23/12 is the Cooperative Patent Classification code for “Observer control, e.g. using Luenberger observers or Kalman filters.”
- How many patents are filed under CPC H02P23/12 (Observer control, e.g. using Luenberger observers or Kalman filters)?
- Our database includes 219 publications tagged with this CPC code.
- Is patent activity under CPC H02P23/12 growing?
- Publication counts under this code: 27 in 2024 vs 15 in 2025 (latest complete years).