G05B 2219/41394
Estimate speed and position error from motor current, torque
G05B2219/41394 (Estimate speed and position error from motor current, torque) appears on 3 US grants and 1 published applications in this corpus.
Search patents in G05B- Granted patents
- 3
- Published applications
- 1
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 12 Sep 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor control apparatus for compensating reverse delay of motor12 Sep 2017US 9,760,082 B2Fanuc Corporation
- Servo control method for a servo system6 Dec 1994US 5,371,449 AHitachi, Ltd.
- System and method for controlling the speed of an electric motor in an extremely low speed range using a rotary pulse encoder28 Jun 1994US 5,325,460 AMeidensha Corporation
Most cited
By later US patents
- System and method for controlling the speed of an electric motor in an extremely low speed range using a rotary pulse encoder14US 5,325,460 AMeidensha Corporation · 1994
- Servo control method for a servo system13US 5,371,449 AHitachi, Ltd. · 1994
- Motor control apparatus for compensating reverse delay of motor1US 9,760,082 B2Fanuc Corporation · 2017