H02P 23/0004
Control strategies in general
Official title: {Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control}
H02P23/0004 (Control strategies in general) appears on 501 US grants and 607 published applications in this corpus.
Search patents in H02P- Granted patents
- 501
- Published applications
- 607
- Assignees
- 340
- Inventors
- 1,376
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 7 | 4 |
| 2005 | 3 | 9 |
| 2006 | 12 | 11 |
| 2007 | 7 | 12 |
| 2008 | 4 | 15 |
| 2009 | 10 | 16 |
| 2010 | 6 | 17 |
| 2011 | 8 | 10 |
| 2012 | 15 | 13 |
| 2013 | 14 | 12 |
| 2014 | 12 | 28 |
| 2015 | 17 | 23 |
| 2016 | 22 | 29 |
| 2017 | 23 | 39 |
| 2018 | 42 | 38 |
| 2019 | 41 | 45 |
| 2020 | 35 | 47 |
| 2021 | 41 | 40 |
| 2022 | 42 | 36 |
| 2023 | 32 | 39 |
| 2024 | 33 | 40 |
| 2025 | 34 | 37 |
| 2026 | 18 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02P 23/0027Using different modes of control depending on a parameter110
- H02P 23/0031Implementing a off line learning phase to determine and store useful data66
- H02P 23/0022Model reference adaptation44
- H02P 23/0018Using neural networks31
- H02P 23/0009Using sliding mode control4
- H02P 23/0013Using fuzzy control4
Recent patents
- Motor drive device29 Sep 2026US 12,749,992 B2Kabushiki Kaisha Toyota Jidoshokki
- AC motor control device and tangible computer readable storage medium15 Sep 2026US 12,738,874 B2Denso Corporation
- Motor control system, motor control method, and non-transitory storage medium8 Sep 2026US 12,732,124 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for fault detection and control in an electric aircraft25 Aug 2026US 12,719,395 B2Beta Air, LLC
- Method of reducing mechanical vibrations of a motor system11 Aug 2026US 12,706,556 B2ABB Schweiz AG
- Motor control circuit, control method, motor assembly and electronic device8 Oct 2026US 2026/0312522 A1Silergy Semiconductor Technology (Hangzhou) LTD
- System having a drive and a smartphone1 Oct 2026US 2026/0302974 A1Sew-Eurodrive GmbH & Co. KG
- Motor driving apparatus and method of controlling same24 Sep 2026US 2026/0291423 A1Hyundai Motor Company
- Eesm control method17 Sep 2026US 2026/0280460 A1Volvo Truck Corporation
- Motor driving device and method of controlling same10 Sep 2026US 2026/0269760 A1Hyundai Motor Company
Most cited
By later US patents
- Synchronous and bi-directional variable frequency power conversion systems169US 6,850,426 B2Honeywell International Inc. · 2005
- Motor control system for variable speed induction motors113US 5,828,200 APhase III · 1998
- Two step power output motor and associated HVAC systems and methods71US 6,172,476 B2Bristol Compressors, Inc. · 2001
- Adjustable speed AC drive system control for operation in pulse width modulation and quasi-square wave modes58US 4,926,104 AGeneral Electric Company · 1990
- Method and apparatus for instability compensation of V/Hz pulse width modulation inverter-fed induction motor drives54US 5,959,431 ABaldor Electric Company · 1999