共查询到20条相似文献,搜索用时 62 毫秒
1.
金攀 《农村实用工程技术(绿色食品)》2010,(5):40-41
“物联网”的概念提出于1999年,其定义十分简单,就是把所有物品通过射频识别等信息传感设备与互联网连接起来,实现智能管理。物联网的核心和基础是互联网,不过用户端不仅局限于个人电脑,而是延伸到任何需要实时管理的物品和物品之间。 相似文献
2.
农业物联网技术的广泛应用正在为农业种植过程带来革命性的变革,推动农业种植水平的不断提高。本文对农业物联网技术进行了一定介绍,明确了其核心组成和应用意义,在此基础上,分别从实时监控系统、环境信息采集和控制系统以及无线mesh网络等方面探讨了农业物联网技术在农业种植过程中的具体应用,有助于推动农业物联网技术在农业种植过程中应用的不断深入,进而实现农业种植的可持续发展。 相似文献
3.
4.
5.
本文通过对目前的物联网的定义以及基本特征的分析,对目前的智能传感技术的应用进行了分析,对目前的智能传感技术的发展提供可行的方向。 相似文献
6.
7.
物联网被称为继计算机、物联网之后世界信息产业第三次浪潮,其目的在于实现全球化的物物相连。介绍物联网的由来和发展进程,对物联网及其关键技术进行分析。 相似文献
8.
9.
文章主要对农业设施对农业发展的作用进行了介绍,并针对现在农业设施发展的现状进行了分析,针对突出性问题展开论述。对当前新形式以及新社会环境下对于农业设施的要求展开了讨论,提出了新型农业设施的发展策略。 相似文献
10.
随着物联网技术高速发展,物联网技术中的个人隐私保护技术也是实际应用中的关键问题之一。作为物联网组成部分之一的无线传感网,在进行数据传输过程之中如何做到保护个人隐私。这是本文要解决主要问题,本文结合了以往的SMART算法介绍另一种新型的个人隐私保护算法(SMART与ESPART相结合的算法)。SMART与ESPART相结合算法可以在有效的对数据安全保护的前提条件下,相对SMART算法和TAG算法所占的时间较少,同时在数据的可靠性和安全性等方面有教高的提升。 相似文献
11.
12.
13.
S. Lertworasirikul 《LWT》2008,41(8):1360-1371
Drying kinetics of semi-finished cassava crackers was investigated in this paper using a hot air dryer at seven levels of drying air temperatures in the rage of 50-80 °C, a fixed air flow velocity using a fan speed of 0.18 kW, and a fixed level of thickness at 1.5 mm. A comparative study was performed among mechanistic and empirical models: the diffusion model, Newton model, Page model, Modified Page model, Henderson and Pabis model, MFNN (Multilayer Feedforward Neural Network), and ANFIS (Adaptive-Network-based Fuzzy Inference System), to estimate dynamic drying behaviors of semi-finished cassava crackers. Among these models, MFNN was found to be the most suitable for predicting moisture ratio of the product based on r2 (regression coefficient), and MSE (mean squared errors between the experimental data and predicted values). 相似文献
14.
人工神经网络在啤酒质量评定中的应用 总被引:1,自引:0,他引:1
运用一典型的人工神经网络——“反向传播”模型,根据啤酒的理化指标,建立了啤酒质量评定的计算机智能专家系统,得到了与实际品尝相一致的结果。 相似文献
15.
16.
17.
18.
AbstractThe ‘Internet of Things’ (IoT) is at times mythologized and its purpose mistaken, and often people can become confused about what it means, does or aims to achieve; moreover, without a financial appraisal of the differences IoT can make to their own enterprise, business leaders may be content to watch and wait rather than to take a lead. This issue of Textile Progress aims to provide a guide to help navigation beyond general statements about IoT and to help those involved with the textile industry to make an informed decision about its potential value to them. The definitions of the Internet of Things (IoT) available in the literature, and those put forth by organizations working on IoT standards development, are reviewed along with its architecture, elements, standards and protocols to help provide an understanding of the concepts and goals of IoT. A broad overview of impediments challenging the progress of IoT, especially in relation to cybersecurity, is provided. This review also compares ongoing work in the application of IoT in the textile industry to that in other manufacturing sectors whilst focussing on the interpretation of IoT technologies and their potential application to the textile industry according to both technological and business perspectives. A specific case study for the spinning industry is conducted to help with evaluation of its IoT solutions and to help to address how other parts of the textile industry might benefit from its application. The case study includes evaluation of IoT solutions in the spinning industry spanning the period between ITMA 2011 to 2019, and takes information from interviews with industry executives to inform future directions of IoT in the spinning industry. 相似文献
19.
研究基于BP人工神经网络的纱线毛羽预测问题.以棉纤维的7项品质指标作为输入参数,以棉纱的毛羽指数H指标作为输出参数,通过使用36组数据分别进行网络模型训练,最终将纱线毛羽指数预测模型的结构选定为7-10-1来进行纱线毛羽的预测,结果表明:BP人工神经网络模型的预测速度和精度较好. 相似文献
20.
采用模糊控制的糖厂中和与澄清过程PH值计算机控制系统 总被引:1,自引:0,他引:1
糖厂中和与澄清过程的PH值控制,一直以来是个难以解决的问题,这不仅由于在恶劣的生产环境下在线准确地测量蔗汁的PH值存在许多困难,而且由于蔗汁的PH值受多种种因素的影响,被控对象存在着大的惯性与滞后,给PH值的稳定控制带来了相当大的难度。着重从控制方法和应用效果两方面介绍了作者近来研制的糖厂中和与澄清过程PH值计算机控制系统。 相似文献