Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Aircraft high altitude vertical flight path and speed control system










Image Number 10 for United States Patent #5079711.

A variable bandwidth factor KALT is applied in a total energy control system to obtain a reduction in throttle activity while maintaining system stability. The system has a total energy control loop and an energy distribution control loop. In the former, a net thrust command signal T.sub.c is generated to reduce the total energy error to zero. In the latter, an elevator position command signal .delta.e.sub.c is generated to reduce the energy rate distribution error, i.e. correct the distribution of energy between kinetic energy (speed) and potential energy (altitude). The error signal input into each loop has a flight path component and a speed component. The factor KALT is applied to both components of the total energy error to reduce the bandwidth of the total energy control loop with increasing altitude and thereby reduce throttle activity. The factor KALT is also applied to one of the components of the energy distribution error to prioritize reduction of that component to zero by control of elevator position. Preferably, speed control is prioritized, and energy errors are channeled into short term deviations in altitude.








 
 
  Recently Added Patents
Parallel power inverter motor drive system
Optical signal output apparatus, electrical signal output apparatus, and test apparatus
Human activity monitoring device
Bi-directional switch using series connected N-type MOS devices in parallel with series connected P-type MOS devices
Haloalky -substituted amides as insecticides and acaricides
Decontamination apparatus and method
Lettuce sister lines PX06514083, PX06514153, PX06514201 and PX06514204
  Randomly Featured Patents
Reclaiming storage from a file system in a file server
Photoresist frame plated magnetic transducer pole layer employing high magnetic permeability seed layer
Protecting glasses
Vacuum storage apparatus with sliding drawers
Shift register and electronic apparatus
Magnetic component connector, circuit boards for use therewith, and kits for building and designing circuits
Fabricating method and structure of a wafer level module
System and method for reconfiguration of an entertainment system controlling device
Microcomputer internally having fuzzy inference exclusive-instructions
Food dispensing interlocking animal toy system