Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A Prediction Method of Hypersonic Rudder Surface Controlling Effectiveness Based on Utilization Coupling

A performance-predictive, hypersonic technology for use in aircraft control

Active Publication Date: 2021-07-23
BEIHANG UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for hypersonic vehicles, there is a serious problem of lateral and yaw control coupling, and for aircraft such as space shuttles, the rudder effect is zero at high angles of attack and large Mach numbers, and at this time there is a problem that cannot be compensated by rudder surface control coupling. The problem

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Prediction Method of Hypersonic Rudder Surface Controlling Effectiveness Based on Utilization Coupling
  • A Prediction Method of Hypersonic Rudder Surface Controlling Effectiveness Based on Utilization Coupling
  • A Prediction Method of Hypersonic Rudder Surface Controlling Effectiveness Based on Utilization Coupling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0073] The present disclosure will be further described below in conjunction with the accompanying drawings and specific embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for the convenience of description, only the parts related to the present disclosure are shown in the drawings.

[0074] A method for predicting the control effectiveness of hypersonic rudder surfaces based on coupling, specifically including the following contents:

[0075] S1: Establish the basis for division of task sub-sections based on control efficiency requirements, and divide tasks into sub-sections according to Mach number, angle of attack and altitude;

[0076] S2: Carry out formula derivation for the control efficiency requirements under the conditions of balance, stability, maneuvering and disturbance, and establish control efficiency requir...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention discloses a hypersonic rudder surface control performance prediction method based on utilization coupling, which specifically includes the following content: S1: establish the basis for dividing task sub-sections based on control performance requirements, and perform task sub-sections according to Mach number, angle of attack and height divided. S2: Carry out formula derivation for the control efficiency requirements in several situations such as balance, stability, maneuvering and disturbance, and establish control efficiency requirement sub-models for different purposes. S3: Establish the control efficiency requirement criterion, and judge whether the rudder effect of the aircraft meets the control efficiency requirement. When the angle of attack is high and the Mach number is high, the rudder effect is zero, and the strategy of using coupling control is proposed to solve the problem that the coupling cannot be compensated by rudder surface manipulation at this time. Because this method involves the actual engineering background, it has high engineering application value.

Description

technical field [0001] The invention relates to the field of aircraft control, in particular to a hypersonic rudder control effectiveness method based on utilization coupling. Background technique [0002] The division of hypersonic trajectory-based task sub-segments is actually based on the division of the aircraft at different positions in the corridor. This division is realized through the segmentation of the trajectory. The assumption is that the aircraft can achieve flight within the task sub-segment. That is, the aircraft has sufficient maneuverability and good dynamic characteristics. [0003] There is a control coupling phenomenon in the horizontal direction of the aircraft, and the conventional low-speed aircraft coupling usually achieves normal flight by compensating for the control coupling. However, for hypersonic vehicles, there is a serious problem of lateral and yaw control coupling, and for aircraft such as space shuttles, the rudder effect is zero at high a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 唐鹏张曙光陈海兵
Owner BEIHANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com