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The research aims to improve the comfort and safety of the smart home by adding a motion recognition algorithm to the smart home system. First, the research status of motion recognition is introduced. Second, based on the requirements of the smart home system, a smart home system is designed for middle-aged and elderly users. The software system in...
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... The fact that the elderly people prefer to live independently, and to take part in their daily activities by themselves is the driving factor behind the design of smart homes for elderly. Daily activities involve a lot of cognitive and physical activities which are supported by data driven, smart and intelligent systems [11][12][13][14][15][16][17]. Smart homes are equipped with IOT based intelligent control subsystems, intelligent monitoring subsystems, including sensors, actuators, and biomedical monitors. ...
... The empirical evidence shows positive health outcomes of using AI-based health solutions for elderly. For instance, A smart home system comprising hardware and software system includes intelligent control subsystem, intelligent monitoring subsystem, and intelligent protection subsystem [17]. A Smart home equipped with smart furniture and other assistive sensor-based technologies empowers the elderly resident to live an independent and autonomous life for longer time-period with guided supervision. ...
Smart City (SC) represents a target towards which any city that wants to serve its citizens in the context of today's technological transformations is heading. As citizens live in increasingly intelligent homes, it becomes vital to be interested in the interaction between smart homes (SH) and smart cities. Thus, our work aims to systematize the main problems assumed by the interaction between smart homes and smart cities. A systematic literature review, with reference to the PRISMA guidelines, is the research method we apply, along with an abductive approach to formulating our own opinion on this subject. The results obtained reveal that in the Scopus database, we identified a total of six works from which it emerges that the main problems of this interaction refer to issues related to the security and privacy challenges of IoT smart devices, the integration of smart homes and smart cities in Cyber-Physical Social Systems (CPSS) from the perspective of data fusion, energy efficiency, privacy and security, and network and system design, prioritizing tasks in the Cyber-Physical Systems (CPS) component integration process that includes SH and SC, and the effect on the environment as a result of the concrete interaction between SH-SC. Essentially, as with any technology, we systematize that the main problems in the SH-SC interaction are in connection with security, confidentiality, compatibility, standardization, regulation, access, ethics and equity, energy and sustainability, interface and usage. The originality of this work consists of the systematization of the problems related to the interaction between SH-SC and the structuring of an opinion on this subject of academic and practical discussion.
Nanoindentation is a widely used nondestructive testing method to determine the mechanical properties of engineering materials, especially for small volume/small scale materials/components. If the Poisson’s ratio of the material is specified, but generally unknown for new materials, the Young’s modulus of a bulk material can be extracted from the nanoindentation load-depth data, especially the unloading indentation load versus depth data. The effect of Poisson’s ratio on nanoindentation test response remains unknow and can be elucidated by computer modeling and data analysis based on the nanoindentation testing data. In this chapter, computer modeling based on finite element analysis (FEA) will be introduced to simulate the nanoindentation testing of specimens of different materials, such as mild steel AISI1018, steel alloy AISI4340 and aluminum alloy AL6061-T6 with a different indenter, such as a Berkovich pyramidal sharp-tip indenter, a cylindrical flat-tip indenter, or a spherical indenter. The effect of Poisson’s ratio on the response of the nanoindentation (nanoindentation load versus depth curves) will be investigated. The effects of different indenters on the response of the nanoindentation tests with different testing materials will be studied and formulated through computer modeling based on FEA and data analysis. Based on the relationships among the nanoindentation test factors, the Young’s modulus and the Poisson’s ratio can be estimated simultaneously. However, a single nanoindentation test is fundamentally insufficient for simultaneously extracting both Young’s modulus and Poisson’s ratio, and another fundamentally sound method, such as the ultrasonic testing method, combined with nanoindentation testing should be explored to reliably determine the Poisson’s ratio and Young’s modulus simultaneously, such as an ultrasonic testing method. Numerical analysis based on FEA and data analysis can be a powerful tool to effectively estimate the Young’s modulus and the Poisson’s ratio of a material without a specified Poisson’s ratio and the relationships of the material properties based on the nanoindentation test data can be established.
The development of modern science and technology has brought us a far-reaching and significant impact. Artificial intelligence is an important product of this era. With the continuous development of society, the status of social vulnerable groups has been paid more and more attention. As a country with a large population, China has the highest number of disabled people in the world. The existing products and services for the disabled can not meet the needs of users. The application of artificial intelligence technology in interior design and product design practice is still in the exploratory stage, and there is a large space for development. Through the user research of observation method and experience prototype method, this paper deeply excavates the communication needs and expectations of Chinese disabled people. Through user research and design, a set of smart home technology service system is proposed, which provides a reasonable and feasible solution for the daily communication of the disabled.KeywordsArtificial intelligencePeople with disabilitiesSmart homeInterior designProduct design
