Prof. YangQuan Chen's patents

Here is a handy list of my patents and published patent applications..

  PUB. APP. NO. Title
1 20130268219 Fractional Order Power Point Tracking
2 20110010026 Calibration Method for Aerial Vehicles
3 20060265085 Tuning methods for fractional-order controllers
4 20030218814 Identification and cancellation of cage frequency in a hard disc drive
5 20020044370 Identification and cancellation of cage frequency in a hard disc drive
6 20020041472 Method and apparatus for handling multiple resonance frequencies in disc drives using active damping
7 20020039249 Method and apparatus for determining high order polynomials for linearization of position signals
8 20020039248 Repeatable run-out error compensation method for a disc drive
9 20010043427 Optimally designed parsimonious repetitive learning compensator for hard disc drives having high track density
10 20010036027 Method for harmonic frequency identification in a disc drive
11 20010036026 Efficient sensorless rotational vibration and shock compensator for hard disk drives with higher TPI

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=0&f=S&l=50&TERM1=chen%3B+yangquan&FIELD1=INNM&co1=AND&TERM2=&FIELD2=&d=PTXT

  PUB. APP. NO. Title
1 20020006010 Automatic acoustic management system for a disc drive
2 20020006009 Method and apparatus for handling resonance effects in disc drives using active damping

 

 

  PAT. NO.   Title
1 7,599,752 Full-Text Tuning methods for fractional-order controllers
2 6,785,073 Full-Text Identification and cancellation of cage frequency in a hard disc drive
3 6,704,159 Full-Text Automatic acoustic management system for a disc drive
4 6,690,534 Full-Text Method and apparatus for handling multiple resonance frequencies in disc drives using active damping
5 6,674,607 Full-Text Method and apparatus for determining high order polynomials for linearization of position signals
6 6,674,589 Full-Text Method for harmonic frequency identification in a disc drive
7 6,661,599 Full-Text Enhanced adaptive feedforward control to cancel once-per-revolution disturbance by shaping the internal mode
8 6,654,198 Full-Text Repeatable run-out error compensation method for a disc drive
9 6,636,375 Full-Text Seek in a disc drive with nonlinear pivot friction
10 6,574,067 Full-Text Optimally designed parsimonious repetitive learning compensator for hard disc drives having high track density
11 6,563,663 Full-Text Repeatable runout compensation using iterative learning control in a disc storage system
12 6,437,936 Full-Text Repeatable runout compensation using a learning algorithm with scheduled parameters
13 6,324,890 Full-Text Method of characterizing and screening voice coil motor pivot friction in a low velocity region

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=0&f=S&l=50&TERM1=chen%3B+yangquan&FIELD1=INNM&co1=AND&TERM2=&FIELD2=&d=PTXT

also this one:

6,831,804.  December 14, 2004 Method and apparatus for handling resonance effects in disc drives using active damping