Inventor

NIESSEN FRANK R

5 patents

⚠️ This page may combine multiple inventors who share the name “NIESSEN FRANK R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITED TECHNOLOGIES CORP

3 patents

US4656362AApr 7, 1987

NASA

1 patent

US4148452AApr 10, 1979

Filtering technique based on high-frequency plant modeling for high-gain control

NASA24 citations74

NIESSEN FRANK R

1 patent

US5072357ADec 10, 1991

Automatic reset circuit for integral control

NIESSEN FRANK R6 citations55

NIESSEN FRANK R

UNITED TECHNOLOGIES CORP

Blade pitch angle control for large wind turbines

Propeller Synchrophaser® device and mode logic

Propeller synchrophaser control with trajectory logic

NASA

Filtering technique based on high-frequency plant modeling for high-gain control

NIESSEN FRANK R

Automatic reset circuit for integral control