Design of Smart Elderly Care Home in Guangdong-Hong Kong-Macao Greater Bay Area based on CiteSpace

LI Yuling; LIU Shulao

doi:10.19554/j.cnki.1001-3563.2025.18.006

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Packaging Engineering ›› 2025, Vol. 46 ›› Issue (18) : 59-74. DOI: 10.19554/j.cnki.1001-3563.2025.18.006

Industrial Design

Design of Smart Elderly Care Home in Guangdong-Hong Kong-Macao Greater Bay Area based on CiteSpace

LI Yuling, LIU Shulao^*

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Abstract

As China's population continues to age, the development of smart home technology in the Guangdong-Hong Kong-Macao Greater Bay Area has emerged as a vital pillar of the new economy and a prominent research topic in smart home design and practice. The work aims to identify the current state of research on smart elderly care home solutions in the Greater Bay Area through literature review, thereby guiding future directions in smart home design. With three core databases, China National Knowledge Infrastructure (CNKI), Wanfang, and VIP, as data sources, a CiteSpace scientific knowledge map visualization analysis was conducted to reveal the historical development trajectory and research content of smart elderly care homes through metrics such as publication volume, research domains, keyword clustering, co-occurrence zones, and emergence intensity. By integrating keyword hotspot clustering and cluster analysis, alongside the industrial policy mechanisms for elderly care services in the Greater Bay Area, smart elderly care, and the "Bay Area Standards" for elderly care services, to determine the current design trends for smart elderly care homes in the Guangdong-Hong Kong-Macao Greater Bay Area. Through descriptive analysis of keyword clustering and co-occurrence time zones, four major research clusters, three developmental stages, and key research hotspots in smart home studies within the Greater Bay Area were identified. The elderly population emerged as the primary focus of current research. A smart home system architecture integrating four developmental directions, "human, emotion, environment, and machine", was proposed. In conclusion, China's development of smart elderly care homes is relatively recent and remains in its infancy, primarily led by universities with limited inter-institutional collaboration. Current research focuses on user experience, information technology, and system architecture. This study proposes four future development trends for smart elderly care homes in the Greater Bay Area, aiming to inform future research and practice in China's smart elderly care home sector, particularly guiding design efforts within the Greater Bay Area.

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CiteSpace knowledge map / biliometric analysis / Guangdong-Hong Kong-Macao Greater Bay Area / smart elderly care home / trend research

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LI Yuling, LIU Shulao. Design of Smart Elderly Care Home in Guangdong-Hong Kong-Macao Greater Bay Area based on CiteSpace[J]. Packaging Engineering. 2025, 46(18): 59-74 https://doi.org/10.19554/j.cnki.1001-3563.2025.18.006

References

[1] 何明, 刘知明, 周雨石, 等. 基于CiteSpace的适老化研究与家具适老设计的比较分析与展望[J]. 林产工业, 2022, 59(10): 56-62.
HE M, LIU Z M, ZHOU Y S, et al.Comparative Analysis and Prospect of Aging Research and Furniture Aging Design Based on CiteSpace[J]. China Forest Products Industry, 2022, 59(10): 56-62.
[2] 黄新华, 林迪芬. 改革开放以来中国公共政策研究的知识图谱——基于CiteSpace软件的可视化分析[J]. 厦门大学学报(哲学社会科学版), 2019, 69(1): 19-30.
HUANG X H, LIN D F.The Knowledge Map of Public Policy in China since the Reform and Opening[J]. Journal of Xiamen University (Arts & Social Sciences), 2019, 69(1): 19-30.
[3] 谢艳秋, 黄艳丽, 戴向东, 等. 基于科学知识图谱的国内家具智能制造研究现状分析[J]. 家具与室内装饰, 2022, 29(10): 6-11.
XIE Y Q, HUANG Y L, DAI X D, et al.Analysis of the Current Research Status of Intelligent Furniture Manufacturing Based on Cite Space Scientifi c Knowledge Atlas[J]. Furniture & Interior Design, 2022, 29(10): 6-11.
[4] 周橙旻, 许灿. 康养适老沙发与场景交互设计研究[J]. 家具与室内装饰, 2021, 28(7): 126-130.
ZHOU C M, XU C.Research on the Scene Interaction Design of Wellness Sofa for the Elderly[J]. Furniture & Interior Design, 2021, 28(7): 126-130.
[5] 潘尧, 熊先青. 基于老年人特征分析的适老智能床设计实践[J]. 家具, 2024, 45(1): 36-40.
PAN Y, XIONG X Q.Design Practice of Elderly Friendly Smart Bed Based on Analysis of Characteristics of the Elderly[J]. Furniture, 2024, 45(1): 36-40.
[6] 曹梦雨, 王玮. 基于人口老龄化的智能家居产品设计[J]. 艺术科技, 2020, 33(3): 108-109.
CAO M Y, WANG W.Design of Smart Home Products Based on Population Aging[J]. Art Science and Technology, 2020, 33(3): 108-109.
[7] 李珂心, 吴智慧. 基于养老场景的智能家居监测平台设计研究[J]. 家具与室内装饰, 2022, 29(3): 56-60.
LI K X, WU Z H.Study on Design of Smart Home Monitoring Platform Based on Elderly Care Scenarios[J]. Furniture & Interior Design, 2022, 29(3): 56-60.
[8] 穆瑶, 吴智慧. 国内外适老智能家居研究进展的CiteSpace可视化分析[J]. 木材科学与技术, 2022, 36(5): 90-98.
MU Y, WU Z H.CiteSpace Visual Analysis of Research Progress of Smart Home for Seniors in China and Overseas[J]. Chinese Journal of Wood Science and Technology, 2022, 36(5): 90-98.
[9] 周橙旻, 赵晗肖, 徐雪, 等. 基于CiteSpace的中国适老智能家居研究现状与发展前景[J]. 包装工程, 2022, 43(2): 35-41.
ZHOU C M, ZHAO H X, XU X, et al.Status and Direction of Smart Home for the Elderly in China Based on the CiteSpace[J]. Packaging Engineering, 2022, 43(2): 35-41.
[10] 刘星豪, 周橙旻, 赵晗肖. 适老化智能家居现状与发展趋势[J]. 家具, 2022, 43(5): 44-48.
LIU X H, ZHOU C M, ZHAO H X.Present Situation and Development Trend of Elderly Friendly Smart Home[J]. Furniture, 2022, 43(5): 44-48.
[11] 博睿, 钟谭学, 谭纳川, 等. 泛家居情境下老龄群体的生活观念转变与设计趋势洞察[J]. 家用电器, 2023(9): 46-49.
BO R, ZHONG T X, TAN N C, et al.The Change of Life Concept and Insight into Design Trend of the Elderly Group under the Pan-Home Situation[J]. Home Appliance, 2023(9): 46-49.
[12] 徐光祐, 陶霖密, 邸慧军. 跨学科前沿与应用的交汇点: 日常活动理解[J]. 中国图象图形学报, 2013, 18(2): 132-140.
XU G Y, TAO L M, DI H J.Confluence of Interdisciplinary Frontiers and Real-World Application: Understanding Activities of Daily Living[J]. Journal of Image and Graphics, 2013, 18(2): 132-140.
[13] 李煜茜, 汤宇樑, 徐卫国. 卫生防疫与智能健康社区[J]. 建筑技艺, 2020, 26(3): 105-107.
LI Y Q, TANG Y L, XU W G.Health and Epidemic Prevention and Intelligent Health Community[J]. Architecture Technique, 2020, 26(3): 105-107.
[14] 赵毅平, 赵华. 探索前沿,赋能产业——如影智能的智能家居解决方案[J]. 装饰, 2022(1): 54-61.
ZHAO Y P, ZHAO H.Explore the Frontier, and Empower the Industry: Smart Home Solutions of KNOW[J]. Zhuangshi, 2022(1): 54-61.
[15] 刘树老, 郭日情. 老年人家居环境玄关智能化设计探析[J]. 家具与室内装饰, 2018, 25(4): 116-118.
LIU S L, GUO R Q.On the Entrance’s Intelligent Design in the Elderly 's Residence[J]. Furniture & Interior Design, 2018, 25(4): 116-118.
[16] 袁哲慧, 刘树老. 基于智能化系统的空巢老人卧室环境设计[J]. 家具与室内装饰, 2020, 27(3): 106-107.
YUAN Z H, LIU S L.Bedroom Environment Design for Empty-Nesters Based on Intelligent System[J]. Furniture & Interior Design, 2020, 27(3): 106-107.
[17] 刘树老, 袁哲慧. 基于智能化系统的空巢老人起居室环境设计[J]. 家具与室内装饰, 2016, 23(5): 66-69.
LIU S L, YUAN Z H.Living Room Environment Deign of Empty-Nest Elderly Based on Intellectualized System[J]. Furniture & Interior Design, 2016, 23(5): 66-69.
[18] 刘树老, 高玉卓. 介助老人家居环境卧室空间智能化设计[J]. 家具与室内装饰, 2016, 23(6): 72-74.
LIU S L, GAO Y Z.Intelligent Design of Bedroom for the Device-Aided Elderly[J]. Furniture & Interior Design, 2016, 23(6): 72-74.
[19] 高玉卓, 刘树老. 介助老人起居室空间智能化设计研究[J]. 家具, 2017, 38(5): 41-46.
GAO Y Z, LIU S L.Intelligent Design of Living Room for the Device-Aided Elderly[J]. Furniture, 2017, 38(5): 41-46.
[20] 高玉卓, 刘树老. 介助老人家居环境卫生间智能化设计[J]. 家具, 2016, 37(6): 93-98.
GAO Y Z, LIU S L.Intelligent Design of Bathroom for the Device-Aided Elderly[J]. Furniture, 2016, 37(6): 93-98.
[21] 刘树老, 李昱伶. CCRC养老社区模式下介助老人居室适老家具的关怀设计研究[J]. 家具与室内装饰, 2024, 31(3): 26-31.
LIU S L, LI Y L.CCRC Nursing Community Model Study on the Caring Design of the Furniture Suitable for the Elderly Living Room[J]. Furniture & Interior Design, 2024, 31(3): 26-31.
[22] 梁非凡, 刘树老. 老年人智能家居用具——智能床头灯设计研究[J]. 家具与室内装饰, 2020, 27(4): 66-67.
LIANG F F, LIU S L.Smart Household Appliances for the Elderly—Research on the Design of Smart Bedside Lamp[J]. Furniture & Interior Design, 2020, 27(4): 66-67.
[23] 刘树老, 程依靖. 老年人智能家居用品交互性设计研究[J]. 家具与室内装饰, 2015, 22(6): 28-30.
LIU S L, CHENG Y J.Study on the Interactive Design of Smart Home Appliances for the Elderly[J]. Furniture & Interior Design, 2015, 22(6): 28-30.
[24] 王鑫. “互联网+”在残疾老人居家养老服务中的应用研究[J]. 经济研究导刊, 2024(6): 109-113.
WANG X.Research on the Application of “Internet Plus” in Home Care for the Disabled Elderly[J]. Economic Research Guide, 2024(6): 109-113.
[25] 苏思伟, 翁哲, 陈群元, 等. 面向老年人的智能家居控制实验装置[J]. 物理实验, 2019, 39(6): 40-44.
SU S W, WENG Z, CHEN Q Y, et al.Experimental Device of Elderly-Oriented Smart Home[J]. Physics Experimentation, 2019, 39(6): 40-44.
[26] 聂磊, 裴雪. 物联网引发智能家居系统设计新趋势[J]. 大众文艺, 2013(4): 109-110.
NIE L, PEI X.The Internet of Things Triggered a New Trend of Smart Home System Design[J]. Popular Literature and Art, 2013(4): 109-110.
[27] 朱顺兵, 张永刚. 物联网智能家居的集成技术与应用服务研究[J]. 智能建筑与城市信息, 2013(2): 23-26.
ZHU S B, ZHANG Y G.Research on Integration Technology and Application Service of Smart Home Based on Internet of Things[J]. Intelligent Building & City Information, 2013(2): 23-26.
[28] 朱顺兵. 物联网智能家居系统研究[J]. 江苏建筑, 2012(5): 109-112.
ZHU S B.Study on the System of Internet of Things Smart Home[J]. Jiangsu Construction, 2012(5): 109-112.
[29] 朱顺兵, 张永刚. 智慧社区与物联网智能家居[J]. 智能建筑与城市信息, 2012(12): 53-57.
ZHU S B, ZHANG Y G.Smart Community and Internet of Things Smart Home[J]. Intelligent Building & City Information, 2012(12): 53-57.
[30] 赵彦, 孙俊, 时凯欣. N-pod多品牌智能家居语音控制设备的设计与实现[J]. 电气传动, 2021, 51(7): 59-66.
ZHAO Y, SUN J, SHI K X.Design and Implementation of N-Pod Multi-Brand Smart Home Voice Control Equipment[J]. Electric Drive, 2021, 51(7): 59-66.
[31] 王志勇, 闵绪, 徐保国. 基于ANT无线网络和LabVIEW的智能家居系统[J]. 计算机系统应用, 2013, 22(10): 94-99.
WANG Z Y, MIN X, XU B G.Smart Home System Based on ANT Wireless Network and LabVIEW[J]. Computer Systems & Applications, 2013, 22(10): 94-99.
[32] 胡旭央, 张寒凝. 基于场景体验的智能睡眠系统设计[J]. 大众文艺, 2020(7): 128-129.
HU X Y, ZHANG H N.Design of Intelligent Sleep System Based on Scene Experience[J]. Popular Literature and Ar, 2020(7): 128-129.
[33] 王思娴, 肖东娟, 邓嵘. 基于情境感知的适老化智能卫浴产品设计策略研究[J]. 包装工程, 2022, 43(16): 189-197.
WANG S X, XIAO D J, DENG R.Research on the Design Strategy of Aging-Appropriate Intelligent Sanitary Ware Products Based on Context-Awareness[J]. Packaging Engineering, 2022, 43(16): 189-197.
[34] 杨谠旺, 薛云建. 基于LOGISTIC模型的智能化老年家居产品分析——以江苏省无锡市的调研为参照[J]. 企业研究, 2017(5): 47-50.
YANG D W, XUE Y J.Analysis of Intelligent Home Furnishing Products for the Elderly Based on LOGISTIC Model—Taking Wuxi City, Jiangsu Province as a Reference[J]. Business Research, 2017(5): 47-50.
[35] 李少云. 2010—2020年我国老年教育研究的热点主题及其演进可视化分析——基于CiteSpace知识图谱[J]. 中国成人教育, 2021(19): 9-14.
LI S Y. Visual Analysis on Hot Topics and Evolution of China's Elderly Education Research from2010 to 2020—Based on CiteSpace Knowledge Atlas[J]. China Adult Education, 2021(19): 9-14.
[36] 黄益军, 吕庆华. 非遗产品文化认同的内涵、维度及影响因素——基于NVIVO的质性分析[J]. 太原理工大学学报(社会科学版), 2017, 35(3): 38-44.
HUANG Y J, LYU Q H.Connotation, Dimensions and Influence Factors of Cultural Identity about Intangible Heritage Products—Qualitative Analysis Using NVIVO[J]. Journal of Taiyuan University of Technology (Social Science Edition), 2017, 35(3): 38-44.
[37] 周橙旻, 赵晗肖, 张玉荣. 基于CiteSpace的国内家具设计研究态势可视化分析[J]. 包装工程, 2021, 42(18): 232-238.
ZHOU C M, ZHAO H X, ZHANG Y R.Visual Analysis of Domestic Furniture Design Research Situation Based on CiteSpace[J]. Packaging Engineering, 2021, 42(18): 232-238.
[38] 杨明刚, 康信辉, 张新新. 医养结合模式下的老年人智能家居产品交互设计研究[J]. 设计, 2016, 29(20): 127-129.
YANG M G, KANG X H, ZHANG X X.Interaction Design of Products for the Elderly in Smart Home under the Mode of Medical Care and Pension[J]. Design, 2016, 29(20): 127-129.
[39] 张斌, 饶培伦, Gavriel Salvendy.认知老化对老年人与智能家居交互绩效的影响[J]. 深圳大学学报(理工版), 2007, 24(2): 127-132.
ZHANG B, RAO P L, SALVENDY G.Cognitive Aging Effects on Human-Smart Home Interaction[J]. Journal of Shenzhen University Science and Engineering, 2007, 24(2): 127-132.
[40] 谷学静, 王志良, 贺杰, 等. 面向老年人的智能家居多模态交互系统研究[J]. 计算机科学, 2011, 38(11): 216-219.
GU X J, WANG Z L, HE J, et al.Study on Multimodal Interaction in Smart Home to Support Senior User[J]. Computer Science, 2011, 38(11): 216-219.
[41] 高玉卓, 刘树老. 介助老人居住空间智能化设计研究[J]. 家具与室内装饰, 2019, 26(7): 14-16.
GAO Y Z, LIU S L.Study on Intelligent Design of Residential Space for Elderly People[J]. Furniture & Interior Design, 2019, 26(7): 14-16.
[42] 郝时. ABB楼宇对讲系统在家庭智能与安防物联网结合应用的探索[J]. 自动化博览, 2018, 35(10): 48-51.
HAO S.Exploration on the Application of ABB Building Intercom System in the Combination of Home Intelligence and Security Internet of Things[J]. Automation Panorama, 2018, 35(10): 48-51.
[43] 管嘉诚, 李晓烽, 黄志芳, 等. 基于ESP8266与机智云的物联网智能家居[J]. 物联网技术, 2023, 13(3): 140-142.
GUAN J C, LI X F, HUANG Z F, et al.Smart Home Based on ESP8266 and Jizhiyun[J]. Internet of Things Technologies, 2023, 13(3): 140-142.
[44] 黄梦茹, 陈志华, 薛玉利. 传感器技术在智慧康养中的应用探析[J]. 电脑知识与技术, 2023, 19(29): 103-105.
HUANG M R, CHEN Z H, XUE Y L.An Exploration of Sensor Technology Applications in Smart Healthcare and Wellness[J]. Computer Knowledge and Technology, 2023, 19(29): 103-105.
[45] 余亚东, 李春江, 杨丽. 基于语音识别的智能家居物联网系统[J]. 计算机应用, 2022, 42(S1): 391-394.
YU Y D, LI C J, YANG L.Intelligent Home Internet of Things System Based on Speech Recognition[J]. Journal of Computer Applications, 2022, 42(S1): 391-394.
[46] 洪文学, 王金甲, 李昕. 健康智能家庭研究现状[J]. 计算机工程与应用, 2006, 42(32): 188-190.
HONG W X, WANG J J, LI X.Research Actuality of Healthy Smart Home[J]. Computer Engineering and Applications, 2006, 42(32): 188-190.
[47] 曲辰飞, 张轩涛, 王东林. 智慧社区一体化应用平台的设计与实现[J]. 建筑电气, 2019, 38(8): 64-67.
QU C F, ZHANG X T, WANG D L.Design and Implementation of Integrated Application Platform of Smart Community[J]. Building Electricity, 2019, 38(8): 64-67.
[48] 张立新. 三网融合下智慧社区的建设[J]. 中国有线电视, 2014(1): 24-27.
ZHANG L X.In the Integration of Three Networks, the Construction of Intelligent Community[J]. China Digital Cable TV, 2014(1): 24-27.
[49] 浦贵阳, 孙红春, 王亚莱, 等. 智能家居的六域场景模型系统设计[J]. 智能物联技术, 2020, 3(6): 31-34.
PU G Y, SUN H C, WANG Y L, et al.Design of Six- Domain Scene Model System for Smart Home[J]. Technology of IoT & AI, 2020, 3(6): 31-34.
[50] 陈致远, 朱叶承, 周卓泉, 等. 一种基于STM32的智能家居控制系统[J]. 电子技术应用, 2012, 38(9): 138-140.
CHEN Z Y, ZHU Y C, ZHOU Z Q, et al.Smart Home Control System Based on STM32[J]. Application of Electronic Technique, 2012, 38(9): 138-140.
[51] 王俊之, 王彦, 孙毅. 基于语音交互的智能家居系统[J]. 南华大学学报(自然科学版), 2020, 34(1): 60-67.
WANG J Z, WANG Y, SUN Y.Design of Smart Home System Based on Voice Interaction[J]. Journal of University of South China (Science and Technology), 2020, 34(1): 60-67.
[52] 张世亮, 刘成刚, 廖文梯. 基于云平台的物联网智能家居语音终端控制器系统[J]. 中国新技术新产品, 2018(19): 3-4.
ZHANG S L, LIU C G, LIAO W T.Voice Terminal Controller System of Internet of Things Smart Home Based on Cloud Platform[J]. New Technology & New Products of China, 2018(19): 3-4.
[53] 李亚锋, 何呈, 邵雪平. 基于CLIPS的居家老年人监护系统设计与实现[J]. 信息通信技术, 2021, 15(1): 65-72.
LI Y F, HE C, SHAO X P.In-Home Aging Care Monitoring System Design and Implementation Based on CLIPS[J]. Information and Communications Technologies, 2021, 15(1): 65-72.
[54] 杨鹏, 高勇, 徐勤奇, 等. 面向生理参数监测的智能家居系统[J]. 控制工程, 2013, 20(6): 1102-1105.
YANG P, GAO Y, XU Q Q, et al.Smart Home System Oriented Physiological Parameters Monitoring[J]. Control Engineering of China, 2013, 20(6): 1102-1105.
[55] 曹恩国, 张歆, 邓嵘, 等. 基于SET分析法的居家养老交互产品系统设计研究[J]. 机械设计, 2014, 31(12): 119-122.
CAO E G, ZHANG X, DENG R, et al.Design of Home Care Interactive Product System Based on SET Analysis Method[J]. Journal of Machine Design, 2014, 31(12): 119-122.
[56] 张梦洁. “互联网+”居家养老模式下智能家居产品的适老化设计对策研究[J]. 居舍, 2023(1): 41-43.
ZHANG M J.Research on the Aging Design Countermeasures of Smart Home Products under the "Internet Plus" Home Care Model[J]. Home House, 2023(1): 41-43.
[57] 李攀. 中国智慧养老的现状与前景[J]. 中国发展, 2018, 18(3): 84-89.
LI P.The Current Situation and Prospects of Wisdom Pension in China[J]. China Development, 2018, 18(3): 84-89.
[58] 温锴, 王宇潇, 陆姣, 等. 基于CiteSpace的我国智慧养老研究热点可视化分析[J]. 中国卫生事业管理, 2022, 39(10): 797-800.
WEN K, WANG Y X, LU J, et al.Visualization Analysis of the Hotspots in China’s Smart Elderly Care Research Based on CiteSpace[J]. Chinese Health Service Management, 2022, 39(10): 797-800.
[59] 赵蓉英, 许丽敏. 文献计量学发展演进与研究前沿的知识图谱探析[J]. 中国图书馆学报, 2010, 36(5): 60-68.
ZHAO R Y, XU L M.The Knowledge Map of the Evolution and Research Frontiers of the Bibliometrics[J]. Journal of Library Science in China, 2010, 36(5): 60-68.
[60] KLEINBERG J.Bursty and Hierarchical Structure in Streams[J]. Data Mining and Knowledge Discovery, 2003, 7(4): 373-397.
[61] 陈悦, 陈超美, 刘则渊, 等. CiteSpace知识图谱的方法论功能[J]. 科学学研究, 2015, 33(2): 242-253.
CHEN Y, CHEN C M, LIU Z Y, et al.The Methodology Function of Cite Space Mapping Knowledge Domains[J]. Studies in Science of Science, 2015, 33(2): 242-253.
[62] 孟庆顺, 雷强. 粤港澳关系的历史变迁[J]. 当代港澳, 2003, (1): 43-49.
MENG Q S, LEI Q.Historical Changes in Guangdong- Hong Kong-Macao Relations[J]. Contemporary Hong Kong and Macao, 2003, (01): 43-49.
[63] 黄立, 何一, 马志骏, 等. 人机交互视角下的智能家居研究趋势分析[J]. 计算机辅助设计与图形学学报, 2023, 35(2): 165-184.
HUANG L, HE Y, MA Z J, et al.Analyzing Smart Home Research Trends from the Human Computer Interaction Perspective[J]. Journal of Computer-Aided Design & Computer Graphics, 2023, 35(2): 165-184.
[64] NORMAN A D.Emotional Design: Why We Love(or Hate)Everyday Things[M]. New York: Basic Books, 2004: 17-19.
[65] ZHAO D H.A research framework of product modeling emotional type and emotional value[J]. Packaging Engineering, 2016, 37(20): 1-8.
[66] 付心仪, 张鹤, 薛程, 等. 面向未来的智能家居前沿进展[J]. 科技导报, 2023, 41(8): 36-52.
FU X Y, ZHANG H, XUE C, et al.A Review of the Frontier Research on Future Smart Home[J]. Science & Technology Review, 2023, 41(8): 36-52.