H02P 21/0003
Control strategies in general
Official title: {Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control}
H02P21/0003 (Control strategies in general) appears on 533 US grants and 627 published applications in this corpus.
Search patents in H02P- Granted patents
- 533
- Published applications
- 627
- Assignees
- 290
- Inventors
- 1,403
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 5 | 3 |
| 2005 | 3 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 11 |
| 2009 | 3 | 12 |
| 2010 | 4 | 16 |
| 2011 | 12 | 29 |
| 2012 | 22 | 15 |
| 2013 | 23 | 22 |
| 2014 | 18 | 24 |
| 2015 | 27 | 25 |
| 2016 | 24 | 30 |
| 2017 | 33 | 27 |
| 2018 | 25 | 25 |
| 2019 | 30 | 48 |
| 2020 | 33 | 51 |
| 2021 | 41 | 43 |
| 2022 | 54 | 53 |
| 2023 | 51 | 50 |
| 2024 | 47 | 46 |
| 2025 | 42 | 47 |
| 2026 | 16 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02P 21/0021Using different modes of control depending on a parameter106
- H02P 21/0025Implementing a off line learning phase to determine and store useful data94
- H02P 21/0017Model reference adaptation72
- H02P 21/0014Using neural networks25
- H02P 21/0007Using sliding mode control19
- H02P 21/001Using fuzzy control11
Recent patents
- Synchronous machine control device, synchronous machine control method, and electric vehicle6 Oct 2026US 12,756,341 B2Hitachi Astemo, Ltd.
- Control device, control method, and control system29 Sep 2026US 12,749,995 B2Kabushiki Kaisha Toshiba
- State estimation for controlling a drive machine without sensors22 Sep 2026US 12,744,480 B2Bayerische Motoren Werke Aktiengesellschaft
- Motor control device and motor15 Sep 2026US 12,738,870 B2Nidec Corporation
- Brake system and controlling method thereof18 Aug 2026US 12,709,254 B2Hl Mando Corporation
- Data-Driven Predictive Current Modeling Method, Apparatus, Medium, and Device for a Permanent Magnet Synchronous Motor8 Oct 2026US 2026/0312517 A1Southwest Jiaotong University
- Forward and reverse rotation control circuit and method for sensorless motor, and motor controller1 Oct 2026US 2026/0302984 A1Crm Icbg (Wuxi) Co., Ltd.
- Method for determining the rotor position of an ec motor24 Sep 2026US 2026/0291411 A1Schaeffler Technologies AG & Co. KG
- Control device24 Sep 2026US 2026/0291415 A1Kabushiki Kaisha Toshiba
- Electric motor current control for torque ripple suppression based on data map for cae model17 Sep 2026US 2026/0280457 A1Fca US LLC
Most cited
By later US patents
- Compensated feedforward voltage for a PWM AC motor drive37US 5,329,217 AAllen-Bradley Company, Inc. · 1994
- Methods and apparatus for driving a transducer34US 11,139,767 B2Cirrus Logic, Inc. · 2021
- Driving device for synchronous motor33US 6,639,377 B2Hitachi, Ltd. · 2003
- Scalar decoupled control for an induction machine31US 4,418,308 AGeneral Electric Company · 1983
- Inverter control method and apparatus25US 5,744,927 AMitsubishi Denki Kabushiki Kaisha · 1998