摘要：针对电机轨迹跟踪过程的非线性非高斯噪声,提出采用基于粒子滤波的前馈控制器。同时对电机伺服系统提出一种二自由度控制结构,基于闭环系统的鲁棒最优性能指标,设计给定值状态目标跟踪控制器,根据系统稳态运行时的抗扰动要求,在过程输入和控制对象输入之间设计前馈控制器、在对象输入和输出端之间设计负载干扰抑制闭环,利用粒子滤波的方法消除非高斯噪声对控制系统的干扰。仿真实例验证了该控制系统的可行性和优越性,可以有效提高电机轨迹跟踪精度。

摘要：目的准确探究消费者对博物馆文创设计属性的偏好特征,有效地对博物院文创产品创新路径进行探索。方法通过层次分析法从物境、情境、意境三个层次提取博物馆文创产品设计的特征属性,引入模糊Kano模型分析用户对各个层次及各个特征的偏好程度。结果建立了博物馆文创设计评价体系,定量分析了不同特征属性的相关喜爱度和相关必要度的差异。结论指出未来博物馆文创设计开发的多层次、深层次发展的定位,提出重点–亮点–基本点的创新策略。

摘要：目的针对老年人,提出色彩偏好值的预测方法。方法根据样本数据,运用回归分析法,得出年度变量与色彩偏好均值的函数关系,由预测时间变量得出预测色彩偏好均值;采用区间估计法,得出预测色彩偏好均值区间。结果基于180位老年人连续6年的调研样本,得出2018年老年人色彩的偏好均值区间,并应用于社区文化设施的色彩搭配设计。结论样本均值回归分析与区间估计法,能够解决大样本数据的区间预测问题,适用于色彩趋势预测与配色设计。

摘要：介绍了利用慧鱼创意组合模型模拟设计工业机器人自动分拣输送线的方法,说明了采用LLWin软件对工业机器人自动分拣输送线的编程与控制。经实践证明,该工业机器人自动分拣输送线功能完善,动作可靠,可以满足教学及科研需要,还可以在实际生产中推广应用,具有很重要的现实意义。

摘要：博物馆文创是博物馆服务公众与社会、传承文明、传播文化、增强自身服务和造血功能的重要途径,也是实现“让文物活起来”“讲好中国故事”的重要方式。近年来国家出台多项政策促进博物馆文创工作的开展,促使博物馆文创工作进入一个全面发展阶段。博物馆文创专家们围绕文旅融合下文创工作的发展方向和策略、文创试点工作的经验梳理与细化,从文创资源整合、文创开发和设计、文创运营推广、品牌合作、IP授权等不同角度作了探讨,为今后一段时期内我国博物馆文创工作发展的业务实操和理论体系建设创新了思维、指明了方向。

摘要：V-BLAST系统中,当存在信道估计误差时,基于最小均方误差(MMSE)的传统连续干扰消除(SIC)检测器检测性能较差,同时运算量也相对较高。针对这些缺陷,通过利用子空间跟踪算法和Hermitian矩阵扰动理论,提出一种新的自适应混合SIC检测算法及其对应的最优检测顺序。最后的模拟结果显示这种算法不仅提高了检测性能,同时对信道估计误差也有一定的免疫性。

摘要：Dynamically crosslinked materials generally lose their self-healing ability and mechanical robustness in aqueous,acidic,and basic environments due to disruption of their dynamic interactions and ***,a micelle-like structure with a hydrophobic outer layer is used to protect ionic *** structure ensures the self-healing and long-term stability of the ionically crosslinked elastomers in aqueous,acidic,and basic *** elastomer possesses a tensile strength of 6.7 MPa and a strain at break of 1400%,which is superior to the existing waterproof selfhealing *** strain sensors and dielectric actuators based on the elastomer are highly stable and self-healable,even in extremely harsh *** design strategy of hydrophobic protection for dynamic interactions is quite general,allowing it to be extended to other self-healing materials.

摘要：采用火焰刷法对单模光纤进行加热拉锥,形成具有微纳米量级纤芯半径的光波导结构,并引入不同的绝热系数对低损耗锥形光纤进行优化,使其满足绝热标准.设计出恒定锥角为2 mrad、波长为400μm、纤维半径为4μm具有最佳形状的低损耗锥形光纤.Matlab仿真结果表明,23mm长的低损耗锥形光纤传输透视率为99.7%,63mm长的低损耗锥形光纤抗辐射能力达到99.6%.由于功率被耦合到高阶模式,其损失被充分抑制,具有恒定锥角的锥形光纤可以实现不牺牲传输质量的光耦合传输.

摘要：为研究刚性悬索加劲钢桁梁桥刚性悬索与桁梁上弦杆的连接处特殊节点的力学行为,结合东莞市东江大桥,采用1∶2的几何缩尺比例,对其特殊节点S25进行了模型试验研究,并进行了详细的空间有限元分析。模型试验结果表明:节点区域最大应力在材料的设计容许应力范围内,从而验证了节点设计的安全性与可靠性。试验结果对东莞市东江大桥的建设有重要的指导作用,也为工程节点设计提供了重要依据。

摘要：In order to improve the detection accuracy of Doppler asymmetric spatial heterodyne(DASH)interferometer in harsh temperatures,an opto-mechanical-thermal integration analysis is carried ***,the correlation between the interference phase and temperature is established according to the working principle and the phase algorithm of the ***,the optical mechanical thermal analysis model and thermal deformation data acquisition model are *** deformation data of the interference module and the imaging optical system at different temperatures are given by temperature load simulation analysis,and the phase error caused by thermal deformation is obtained by ***,based on the wind speed error caused by thermal deformation of each component,a reasonable temperature control scheme is *** results show that the interference module occupies the main cause,the temperature must be controlled within(20±0.05)℃,and the temperature control should be carried out for the temperature sensitive parts,and the wind speed error caused by the part is 3.8 m/*** thermal drift between the magnification of the imaging optical system and the thermal drift of the relative position between the imaging optical system and the detector should occupy the secondary cause,which should be controlled within(20±2)℃,and the wind speed error caused by the part is 3.05 m/*** summary,the wind measurement error caused by interference module,imaging optical system,and the relative position between the imaging optical system and the detector can be controlled within 6.85 m/*** analysis and temperature control schemes presented in this paper can provide theoretical basis for DASH interferometer engineering applications.