ID 原文 译文
56928 通过引入包含次级通道与结构正反馈通道的预滤波器,消除了抑振作动器与参考传感器之间的结构振动正反馈对振动主动控制的负面影响. It employs a pre-filter consisting of secondary path and positivefeedback path model to eliminate the positive feedback between the secondary actuator and reference sensor.
56929 通过构建以压电智能柔性悬臂梁为受控对象的MATLAB xPC实时验证平台,针对单频扰动、双频窄带扰动以及宽带扰动,开展了实时实验对比验证. Byconstructing a piezoelectric flexible cantilever beam as the controlled plant, we constructed a real-time controlverification experiment platform based on a real-time MATLAB xPC target. We did a real-time control experimentcomparison for vibration suppression of single-frequency, narrowband, and broadband disturbances.
56930 相关实验结果表明:本文所提出的多模型混合自适应振动主动控制方法是可行的,能够显著改善负载变化情况下的振动抑制效果,且收敛速度较快. Experimentalresults show that the proposed multiple model hybrid adaptive vibration control algorithm is feasible and hasgood vibration suppression performance with rapid convergence speed
56931 北斗卫星导航系统(BeiDou navigation satellite system, BDS)空间信号异常是影响其空间信号质量评估的重要因素,检测并排除空间信号异常不仅是构建BDS空间信号故障模型的重要手段,更有利于保障BDS导航定位的完好性. The BeiDou navigation satellite system (BDS) signal-in-space anomaly is an important factor affecting the signal-in-space quality assessment. Detecting and excluding signal-in-space anomalies is not only a method for constructing a BDS signal-in-space fault model but can also help ensure the BDS navigation and positioning integrity.
56932 传统基于事后精密星历与广播星历比对的方法存在时延较大、采样率低等问题,本文提出了一种基于Kalman滤波的载波相位平滑伪距算法,并基于BDS空间信号用户测距误差的统计特性建立了实时估计BDS空间信号用户测距误差方法,从而实时检测并排除BDS空间信号异常.基于国际全球导航卫星系统服务(international GNSS service, IGS)地面观测网1 Hz采样率数据的实验结果表明,所提出方法对BDS空间信号用户测距误差的估计精度为1. Traditional methods, based on post precision ephemeris and broadcast ephemeris, maintain some disadvantages, such as a large delay and a low sampling rate. In this paper, a carrier-phase smoothing pseudorange algorithm based on Kalman filtering is proposed, and a real-time estimation method of a BDS signal-in-space user range error is established to detect and eliminate signal-in-space anomalies in real time, based on the statistical characteristics of signal-in-space user range error.
56933 15 m,可以有效识别由卫星轨道和时钟故障引起的空间信号异常. The experimental results, based on 1 Hz data of the international GNSS service (IGS) ground observation network, show that the proposed method has an estimation accuracy of 1. 15 m for a BDS signal-in-space user range error, which can effectively identify signal-in-space anomalies caused by satellite orbit and clock faults.
56934 人机对抗作为人工智能研究的前沿方向,已成为国内外智能领域研究的热点,并为探寻机器智能内在生长机制和关键技术验证提供有效试验环境和途径. At the frontier of artificial intelligence research, human-computer gaming (HCG) technology has be?come a research hotspot. It provides an effective experimental environment and approach to exploring the intrinsicgrowth mechanism and verifying key technologies of machine intelligence.
56935 本文针对巨复杂、高动态、不确定的强对抗环境对智能认知和决策带来的巨大挑战,分析了人机对抗智能技术研究现状,梳理了其内涵和机理,提出了以博弈学习为核心的人机对抗智能理论研究框架; Considering the mounting challengesin intelligent decision-making posed by the complex, high-dynamic, and inconclusive environment coupled withstrong confrontation, this paper analyzes the research status and dissects the key elements and intrinsic gamingmechanisms of HCG. This work also proposes a game learning-based theoretical research framework for HCG.
56936 并在此基础上论述了其关键模型:对抗空间表示与建模、态势评估与推理、策略生成与优化、行动协同与控制; Based on these analyses, we discussed HCG’s key models: gaming representation and modeling, situation as?sessment and reasoning, strategy generation, and optimization, as well as action coordination and control.
56937 为复杂认知与决策问题的可建模、可计算、可解释求解奠定了基础. Theproposed research framework has laid a foundation for the modeling, computing, and interpreting solutions ofcomplex cognition and decision problems.