H02P 21/28
Stator flux based control
H02P21/28 (Stator flux based control) appears on 110 US grants and 110 published applications in this corpus.
Search patents in H02P- Granted patents
- 110
- Published applications
- 110
- Assignees
- 97
- Inventors
- 267
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 5 | 3 |
| 2013 | 1 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 5 |
| 2016 | 9 | 12 |
| 2017 | 10 | 2 |
| 2018 | 1 | 5 |
| 2019 | 5 | 9 |
| 2020 | 9 | 11 |
| 2021 | 10 | 9 |
| 2022 | 9 | 4 |
| 2023 | 5 | 5 |
| 2024 | 4 | 8 |
| 2025 | 5 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bus current control method, device, system, and storage medium22 Sep 2026US 12,741,626 B2Geely Automobile Research Institute (Ningbo) Co., Ltd.
- State estimation for controlling a drive machine without sensors22 Sep 2026US 12,744,480 B2Bayerische Motoren Werke Aktiengesellschaft
- Method and system for controlling an electric machine4 Aug 2026US 12,700,817 B2Volkswagen Aktiengesellschaft
- Motor control device, electromechanical integrated unit, hybrid system, electric power steering system, and motor control method30 Jun 2026US 12,668,228 B2Hitachi Astemo, Ltd.
- Method and apparatus for maintaining the rotor D flux for pulsing induction machines and electrically excited synchronous electric machines17 Feb 2026US 12,556,118 B2Tula eTechnology, Inc.
- Control of the stator current or the concatenated stator flux for operating a synchronous machine with permanent-magnet excitation, and method24 Sep 2026US 2026/0291420 A1MAGNA Powertrain AG & Co KG
- Electrical apparatuses and methods3 Sep 2026US 2026/0261222 A1Thermo King Corporation
- Method and computing unit for controlling an electric drive with overmodulation compensation30 Jul 2026US 2026/0221908 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Method and apparatus for maintaining the rotor d flux for pulsing induction machines and electrically excited synchronous electric machines30 Jul 2026US 2026/0221914 A1Tula eTechnology, Inc.
- Vector control method for a synchronous machine, and control unit30 Jul 2026US 2026/0221919 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Method for setting parameters of electronically-commutated motor for use as permanent-split capacitor motor83US 9,270,221 B2Zhongshan Broad-Ocean Motor Co., Ltd. · 2016
- Position sensorless control algorithm for AC machine36US 6,924,617 B2General Motors Corporation · 2005
- Sensorless control system for induction motor employing direct torque and flux regulation34US 6,433,506 B1Ford Global Technologies, LLC · 2002
- Controller for a wound rotor slip ring induction machine32US 6,448,735 B1ABB Automation Inc. · 2002
- Controller for a wound rotor slip ring induction machine23US 6,741,059 B2ABB Automation Inc. · 2004