随着现代机械装备复杂性、综合化、智能化程度的不断提高,在机械装备故障预测与健康管理(Prognostics Health Management,PHM)中,对机械装备进行智能故障诊断是一个必要环节,是保证后续健康状态评估和故障预测可靠性的基础。综述了近年...随着现代机械装备复杂性、综合化、智能化程度的不断提高,在机械装备故障预测与健康管理(Prognostics Health Management,PHM)中,对机械装备进行智能故障诊断是一个必要环节,是保证后续健康状态评估和故障预测可靠性的基础。综述了近年来国内外学者在机械装备智能故障诊断研究方面的探究成效,回顾了传统故障诊断方法研究成果,介绍了现代智能故障诊断方法研究现状,展望了机械装备智能故障诊断发展趋势。分析表明,随着机械装备逐步向多功能化、智能化、绿色化方向发展,机械装备智能故障诊断技术将迎来新的挑战;融合智能感知、深度学习、强化学习等人工智能的智能故障诊断技术有望成为机械装备状态监测与故障诊断的一把利器,为机械装备智能故障诊断与预测提供新的探索路径,在科学研究和工程应用中具有广阔的应用前景。展开更多
The number of skin care products developed scientifically and technologically is increasing in the market now.Whether it is a gimmick or a real desire to make a good product,companies are actively promoting the develo...The number of skin care products developed scientifically and technologically is increasing in the market now.Whether it is a gimmick or a real desire to make a good product,companies are actively promoting the development and growth of the technological skin care market.The analysis of our market survey indicates that companies and consumers generally show a trend of mutual progress along with the market growth of technological skincare.Companies and consumers alternately play a leading role in different stages of progress.In this survey study,consumers were divided into four types:minimalist consumers,trendy consumers,ingredient-based consumers,and technological consumers.A series of comparative analyses for these four groups showed that consumers have the trend to instinctively develop from minimalist to technological consumer.Along with the increase of skin care knowledges,consumers can more trust and be more willing to buy the technology-based skin care products.For those ones who has no experiences with the technology-based skin care products,after gaining skincare knowledges,they are also willing to try.This is a good signal for companies.While helping with consumers being more knowledgeable in skincare,companies can lead consumers to learn about their researches and products development,which will benefit the market acceptance of the products.Users can also benefit from gaining more relevant knowledges.With these knowledges,consumers can be clearer about their own needs,more rational on skincare purchasing,and they can select the correct skincare.展开更多
文摘随着现代机械装备复杂性、综合化、智能化程度的不断提高,在机械装备故障预测与健康管理(Prognostics Health Management,PHM)中,对机械装备进行智能故障诊断是一个必要环节,是保证后续健康状态评估和故障预测可靠性的基础。综述了近年来国内外学者在机械装备智能故障诊断研究方面的探究成效,回顾了传统故障诊断方法研究成果,介绍了现代智能故障诊断方法研究现状,展望了机械装备智能故障诊断发展趋势。分析表明,随着机械装备逐步向多功能化、智能化、绿色化方向发展,机械装备智能故障诊断技术将迎来新的挑战;融合智能感知、深度学习、强化学习等人工智能的智能故障诊断技术有望成为机械装备状态监测与故障诊断的一把利器,为机械装备智能故障诊断与预测提供新的探索路径,在科学研究和工程应用中具有广阔的应用前景。
文摘The number of skin care products developed scientifically and technologically is increasing in the market now.Whether it is a gimmick or a real desire to make a good product,companies are actively promoting the development and growth of the technological skin care market.The analysis of our market survey indicates that companies and consumers generally show a trend of mutual progress along with the market growth of technological skincare.Companies and consumers alternately play a leading role in different stages of progress.In this survey study,consumers were divided into four types:minimalist consumers,trendy consumers,ingredient-based consumers,and technological consumers.A series of comparative analyses for these four groups showed that consumers have the trend to instinctively develop from minimalist to technological consumer.Along with the increase of skin care knowledges,consumers can more trust and be more willing to buy the technology-based skin care products.For those ones who has no experiences with the technology-based skin care products,after gaining skincare knowledges,they are also willing to try.This is a good signal for companies.While helping with consumers being more knowledgeable in skincare,companies can lead consumers to learn about their researches and products development,which will benefit the market acceptance of the products.Users can also benefit from gaining more relevant knowledges.With these knowledges,consumers can be clearer about their own needs,more rational on skincare purchasing,and they can select the correct skincare.