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Chapter and Conference Paper
Spacecraft Droplet Hover Trajectory Optimization Based on Chaotic Genetic Algorithm
This paper proposes an optimization algorithm for a new type of droplet hover where the service spacecraft is driven by electric and chemical propulsion, bringing great difficulties to mission implementation f...
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Chapter and Conference Paper
Finite-Time Control for Combination Spacecraft Attitude Based on LESO of Auxiliary System
This paper proposes a finite-time control method for the attitude of combined spacecraft without system parameter identification, avoiding the problems of long identification time and low identification accura...
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Article
Controlling Dynamic Formations of Mobile Agents Governed by Euler-Lagrange Dynamics
This paper studies the problem of controlling dynamic formations of mobile agents governed by Euler-Lagrange dynamics. Here a formation is said to be dynamic if as time evolves, the desired formation undergoes tr...
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Article
Layered Formation-containment Control of Multi-agent Systems in Constrained Space
This paper addresses the layered formation-containment (LFC) problem for multiagents in the constrained space with a directed communication topology. The formation-containment problem is first defined using a ...
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Article
Prescribed performance adaptive attitude tracking control for flexible spacecraft with active vibration suppression
This paper investigates the high-performance attitude control and active vibration suppression problem for flexible spacecraft in the presence of external disturbances. The active vibration control usually dep...
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Article
Open AccessCrowbar resistance value-switching scheme conjoint analysis based on statistical sampling for LVRT of DFIG
An active crowbar protective circuit is an effective and common approach for low voltage ride through (LVRT) of a doubly-fed induction generator (DFIG). The crowbar resistance value and its switching scheme bo...
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Article
Formation–containment control for networked Euler–Lagrange systems with input saturation
This paper studies the formation–containment control problem for networked nonlinear Euler–Lagrange systems with input saturation. To realize the concurrency of leaders’ formation and followers’ containment, c...
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Article
Capture orbits around asteroids by hitting zero-velocity curves
The problem of capturing a spacecraft from a heliocentric orbit into a high parking orbit around binary asteroids is investigated in the current study. To reduce the braking
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Article
Two-impulse transfer between coplanar elliptic orbits using along-track thrust
The two-body two-impulse orbit transfer problem between two coplanar elliptic orbits using only along-track thrust is studied in this paper. Both impulse vectors are constrained to be on the along-track direct...
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Chapter and Conference Paper
Dynamic Output Feedback Guaranteed Cost Control for T-S Fuzzy Systems with Uncertainties and Time Delays
This paper introduces a dynamic output feedback (DOF) guaranteed cost controller for systems with uncertainties and time delays, which are usually described by Takagi–Sugeno (T-S) fuzzy models. We model the no...
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Chapter and Conference Paper
On Spacecraft Relative Orbital Motion Based on Main-Flying Direction Method
This paper introduces an analysis of a relative orbit control problem that how to let the tracking spacecraft be in the range of a small angle which is outward from the non-cooperative target spacecraft’s fiel...
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Article
Time-varying control via nominal trajectory linearization for an air-breathing hypersonic vehicle
A time-varying control law via nominal trajectory linearization for an air-breathing hypersonic vehicle (ABHV) model is applied. Feasible guidance command signal serials are generated by nonlinear dynamic inve...
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Chapter and Conference Paper
Optimizing the Performance of Probabilistic Neural Networks Using PSO in the Task of Traffic Sign Recognition
This paper presents a fast version of probabilistic neural network model for the recognition of traffic signs. The model incorporates the J-means algorithm to select the pattern layer centers and Particle Swar...
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Article
Marginalized particle filter for spacecraft attitude estimation from vector measurements
An algorithm based on the marginalized particle filters (MPF) is given in details in this paper to solve the spacecraft attitude estimation problem: attitude and gyro bias estimation using the biased gyro and ...
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Chapter and Conference Paper
Data Dimension Reduction Using Rough Sets for Support Vector Classifier
This paper proposes an application of rough sets as a data preprocessing front end for support vector classifier (SVC). A novel multi-class support vector classification strategy based on binary tree is also p...
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Chapter and Conference Paper
Support Vector Machines Ensemble Based on Fuzzy Integral for Classification
Support vector machines (SVMs) ensemble has been proposed to improve classification performance recently. However, currently used fusion strategies do not evaluate the importance degree of the output of indivi...
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Chapter and Conference Paper
FEL-Based Adaptive Dynamic Inverse Control for Flexible Spacecraft Attitude Maneuver
Based on Feedback-Error-Learning (FEL), an adaptive dynamic inverse control approach for single-axis rotational maneuver of spacecraft with flexible appendages by use of on-off thrusters is discussed. This app...
