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










Image Number 4 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
Barrier layers comprising Ni-inclusive ternary alloys, coated articles including barrier layers, and methods of making the same
System and methods for random parameter filtering
Moving structure and micro-mirror device using the same
Phosphoinositide 3-kinase inhibitor with a zinc binding moiety
Composition for enhancing memory and mitigating neurodegeneration and method thereof
Bird deterrent
Clock generator circuit for a charge pump
  Randomly Featured Patents
Self clocking binary data encoding/decoding method
Computer-assisted system and method for adjudging the effect of consumable intakes on physiological parameters
Temperature control systems with programmed dead-band ramp and drift features
Semiconductor laser device and semiconductor laser device array
Method of forming a preform by precoating glass fibers prior to chopping and preforming
Method for efficiently transforming a raster image from one map projection to another map projection
Document performance analysis
Liquid warp splicing system for a warp in a loom
Dual dispenser
Safety-oriented control system