一种基于模糊推理的综合导航系统的新型容错信息融合方法
Yixian Zhu1, Minmin Zhang2, Ling Zhou3
1School of Mechanical Engineering, Nantong University, Nantong 226019, China.
Sensors (Basel, Switzerland)
|March 17, 2025
概括
一个新的容错算法改进了集成导航系统. 它使用联合过器和模糊逻辑来检测和适应测量故障,提高故障期间的可靠性.
科学领域:
- 导航系统工程 导航系统工程
- 控制理论 控制理论
- 信号处理 信号处理
背景情况:
- 集成导航系统依赖于来自多个传感器的数据融合,以提高准确性.
- 传感器故障会降低系统性能和可靠性.
- 现有的容错方法可能对渐进或微妙的故障缺乏灵敏度.
研究的目的:
- 为集成导航系统提出一种新的容错信息融合算法.
- 在传感器故障的情况下提高导航系统的精度和可靠性.
- 为了提高逐渐故障的检测灵敏度.
主要方法:
- 一个具有信息融合的分散架构的联合过器.
- 一个模糊系统,利用千平方检测和波器创新相关性来确定观测质量.
- 在线调整局部波器增益矩阵和基于观测质量的信息共享系数.
主要成果:
- 拟议的算法有效地检测各种类型的故障,包括渐进的故障.
- 观测质量系数准确地反映了测量可靠性.
- 在线增益调整和信息共享提高了故障隔离和检测灵敏度.
结论:
- 基于新型联合过器的算法提高了集成导航系统的故障耐受性.
- 基于模糊逻辑的方法提供了强大的故障检测和适应.
- 该方法在故障期间显著提高了系统性能和可靠性.
相关概念视频
Errors in Global Positioning System
24
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
24
Association Areas of the Cortex
4.8K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
4.8K
Multi-input and Multi-variable systems
93
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
93
Introduction to Global Positioning System
38
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
38
Field Application of Global Positioning System
22
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
22
Diencephalon: Thalamus and Information Relay
1.3K
The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological...
1.3K


