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In a perfect digital home in the future, the current comprehensive integration of various high-tech will be reflected. To form a truly intelligent family, it must be the intersection of technologies in various disciplines. Therefore, if you want to build a real functional home, you need support from multiple industries and various manufacturers.
The smart home system mainly includes the following computer software technology, computer network technology, computer password technology, "plug and play" technology, image processing technology and sensor technology.
Computer software technology
In addition to the general user programs, the computer software involved in the digital home network has two prominent aspects: the first is the network operating system. This operating system should have small memory, easy use, flexible configuration, and good fault tolerance. The second is the data structure. This is because in general home control networks, it is impossible to use various large databases, and in actual use, it needs to process a large amount of data. Therefore, designers need to design a database suitable for home network use. .
computer network Technology
The prominent ones here are home gateways, such as access to the Internet or Ethernet, routing selection, browser design, and production of web pages, as well as coding compression technology and network interface technology.
Computer cryptography
Digital home network and the outside world bring great convenience to users. But there are advantages and disadvantages to it, and uninvited guests such as "hackers" will be uninvited. In order to protect users' rights and privacy from being violated, unrelated persons cannot be allowed to break into private home networks without permission. One solution is to use various encryption / decryption techniques.
"Plug and Play" Technology
This is a special required technology in the home network, that is, the network is required to automatically "feel" and "identify" newly-connected household appliances / devices, and to perform control and monitoring functions on them. To complete this function, not only home appliances / devices need to be changed (add corresponding interfaces), but also the network operating system must have such capabilities. In order to achieve this function, the interface protocol and device files must be standardized / standardized first. Secondly, the network operating system should have a complete protocol. Finally, the controller (such as a remote control) should be able to automatically reorganize the system control logic. Therefore, it is not an easy task to realize this function. At present, there is no standardized mature solution launched abroad.
Image processing technology
Image processing technology is a relatively high-level technology in information technology. At present, it has also entered the digital home. A typical example is an intelligent anti-theft door. This type of anti-theft door does not require ordinary keys. Its "key" is an organ feature of each person in the family: for example, the fingerprint of a finger, or the face of a person. Close-up, or iris in the eyes, etc. The characteristics of these human bodies first need to be collected by some special devices, and then necessary processing is performed on these collected image information, and the corresponding required features are extracted. Finally, according to these features, "whether it is the original Members of the home. "
In such a system, the key and important technology is: in the shortest possible time, quickly process the collected information and extract features sufficient to make correct identification, which is the core of image processing. Technology one.
Sensor Technology
In a digital home, in order to ensure perfect control, the physical quantities that need to be measured are various (such as flow, electricity, temperature, humidity, trace gas content, etc.), which all require sensor technology. Generally speaking, the measurement accuracy of physical quantities in households is not high, and the volume and weight of measuring equipment are not demanding. Therefore, it is necessary to research and develop low-cost, stable, reliable and multifunctional integrated Measurement technology and sensor technology and corresponding products.