Day: December 18, 2023 (page 59)

The electric field at the edge of the power capacitor plate is an extremely uneven electric field, and its calculation is a difficult problem. Decades ago, some scholars challenged this problem and announced their research results. There are many methods…

Visibility is a very important meteorological metric and is particularly relevant in populous cities such as Hong Kong. Visibility in Hong Kong is quite low throughout the year due to air pollution from vehicle exhaust and other pollution sources in…

In MAS research, due to the existence of conflicts, how to coordinate has become a very important issue, and the most influential negotiation strategy is the contract network protocol proposed by Davis and Smithr7] . The main idea is to…

In industrial environments, PLC is increasingly used in production processes, automation control and other scenarios. However, under the premise that production life and automation requirements are constantly changing, PLC programming is not static. Workers often need to change PLC programming.…

With the rapid development of information technology, the Internet of Things is considered to be the fourth information revolution in the scientific and technological world after computers, the Internet and mobile communication networks. As an important center for information industry…

The development of the Internet of Things will bring a series of profound changes to libraries. Starting from the concept of the Internet of Things, this article introduces the origin and characteristics of the Internet of Things, summarizes the development…

2.1 Physical entity class of the Internet of Things The physical entity class is an abstraction of the basic physical components of the Internet of Things. The physical entity class not only includes the abstractions of the items that need…

Based on the abstract use case model of the Internet of Things given above, the basic information process of the Internet of Things from item data collection to item service provision can be analyzed. On this basis, the relevant information…

Section 1 of this article discusses the requirements analysis for building an Internet of Things information model. Section 2 uses UML to describe an information model of the Internet of Things. Section 3 uses the Internet of Things information model…

Although the development and application of Internet of Things technology have grown rapidly in recent years, theoretical research on the Internet of Things is still in the development stage. As a typical information and communication system, the Internet of Things…

What is an IoT gateway The Internet of Things gateway, in the new semester, will play a very important role in the future of the Internet of Things era. It will become the link between the connected sensor network and…

With the continuous advancement of information and communication technology (ICT), communication network, as an important foundation of information and communication technology, has developed from person-to-person communication to person-to-thing and thing-to-thing (M2M), and has gradually tended to evolve from vertical partial…