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Contamination in operating room lead to infection in a patient specially during surgery. A touchless technology can be used to reduce contamination in the operating room when surgeon uses an X-ray image viewer. Skin s...
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This paper aims to study and compare the effect of limited-output information in various directed topology to the performance of vehicle platoon. Two distributed controllers based on limited-output information will be...
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Industrial robots have been widely used in various industrial scenarios due to their flexibility and expandability. However, robots are susceptible to instability at high speeds and load conditions due to their low st...
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This study addresses the challenges of converting Eulerian flow fields into Lagrangian fields in the post-processing of CFD simulations for tidal flow analysis. A Lagrangian flow field analysis and visualization metho...
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Recognition and docking technology of mobile robot is becoming increasing important in the production and manufacture factory. It is necessary to identify the position of shelves efficiently and perform docking accura...
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The central pattern generator (CPG) can produce stable rhythmic signals for the locomotion of quadruped robots. However, the single CPG-based approach still requires further command tracking and movement stability enh...
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Closeby Habitable Exoplanet Survey (CHES) is a space precision optical survey satellite for extrasolar planetary systems with a high quality, low distortion, and high stability telescope as its primary payload. In ord...
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This paper presents a method to help people with disabilities interact with their surroundings using brainwave signals. Since individuals with disabilities often depend on different types of transportation, this resea...
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Multi-AUVs formation control is challenged by the acoustic communications issue of high ocean transmission delay, which makes the state information of neighboring nodes difficult to be obtained. One of the research di...
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ISBN:
(纸本)9798400710025
Multi-AUVs formation control is challenged by the acoustic communications issue of high ocean transmission delay, which makes the state information of neighboring nodes difficult to be obtained. One of the research directions is to improve the robustness of the algorithm so that the stability of the system can be guaranteed in acoustic communications uncertainty. In this paper, we firstly establish a model of multi-AUVs, which specifies the communication between AUVs, formation information and state errors. Then divide the underwater acoustic communication into two cases of constant delay and time-varying delay based on properties of acoustic communications. And we carry out the formation maintenance algorithm under constant time delay, because the acoustic communication delay is considered to be constant for a constant transmission distance. In the same time, the formation transformation algorithm under time-varying delay, because we consider that the acoustic communication delay changes with the transmission distance. Finally, in the simulation environment, we prove the effectiveness of the algorithm through reasonable experiments and the superiority of the algorithm by comparing with the previous algorithms. The research results are of great guidance for the application of formation control of multi-AUVs. In the future, we will continue to optimise our algorithms for more complex environments.
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