H02P 2203/11
Determination or estimation of the rotor position or other motor parameters based
Official title: Determination or estimation of the rotor position or other motor parameters based on the analysis of high-frequency signals
H02P2203/11 (Determination or estimation of the rotor position or other motor parameters based) appears on 94 US grants and 101 published applications in this corpus.
Search patents in H02P- Granted patents
- 94
- Published applications
- 101
- Assignees
- 64
- Inventors
- 211
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 5 |
| 2006 | 3 | 3 |
| 2007 | 5 | 4 |
| 2008 | 5 | 5 |
| 2009 | 2 | 1 |
| 2010 | 2 | 7 |
| 2011 | 2 | 2 |
| 2012 | 5 | 4 |
| 2013 | 1 | 3 |
| 2014 | 2 | 6 |
| 2015 | 7 | 0 |
| 2016 | 5 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 10 |
| 2019 | 3 | 8 |
| 2020 | 11 | 11 |
| 2021 | 5 | 6 |
| 2022 | 15 | 6 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 5 | 4 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Field-oriented sensorless brushless motor control in a power tool30 Jun 2026US 12,671,355 B2Black & Decker Inc.
- Method and device for injecting high frequency current vector24 Feb 2026US 12,562,663 B2Mitsubishi Electric Corporation
- Standstill angle detection for salient motors19 Aug 2025US 12,395,103 B2Haier US Appliance Solutions, Inc.
- Phase-locked loop control system and method for a motor12 Aug 2025US 12,388,380 B2
- Drive device, fluid utilization device, and air conditioner3 Jun 2025US 12,323,081 B1Mitsubishi Electric Corporation
- Method for determining the rotor position of an ec motor24 Sep 2026US 2026/0291411 A1Schaeffler Technologies AG & Co. KG
- Systems, methods, and integrated circuits for dynamically adjusting integration window for motor resolver decoder6 Aug 2026US 2026/0230017 A1STMicroelectronics International N. V.
- Method for operating an electric motor16 Jul 2026US 2026/0205045 A1Schaeffler Technologies AG & Co. KG
- Motor control apparatus and image forming apparatus2 Jul 2026US 2026/0189167 A1Canon Kabushiki Kaisha
- Method of determining the operating state of an electric machine for the sensorless control of the electric machine with signal injection19 Mar 2026US 2026/0081549 A1Schneider Toshiba Inverter Europe SAS
Most cited
By later US patents
- Sensorless rotor tracking of induction machines with asymmetrical rotor resistance74US 6,069,467 AGeneral Electric Company · 2000
- Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator33US 6,492,788 B1Otis Elevator Company · 2002
- Motor control device30US 7,679,308 B2Sanyo Electric Co., Ltd. · 2010
- Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithm27US 6,763,622 B2General Motors Corporation · 2004
- DC motor phase estimation with phase-locked loop27US 7,397,212 B2Square D Company · 2008