Application of ZigBee in life subsystem
introduction
Zigbee is synonymous with IEEE 802.15.4 protocol. The technology specified in this agreement is a short-range, low-power wireless communication technology. The name comes from the bee's figure eight dance, because the bee (bee) relies on the "dance" of flying and "buzzing" (zig) to shake its wings to communicate the position information of the pollen with the companion, that is to say, the bee relies on this way It constitutes the communication network in the group. It is characterized by close range, low complexity, self-organization, low power consumption, low data rate, and low cost. Mainly suitable for the field of automatic control and remote control, can be embedded in various devices. In short, ZigBee is a cheap, low-power short-range wireless networking communication technology.
ZigBee is an emerging short-range, low-rate, low-power wireless network technology. He is a technology proposal between wireless tag technology and Bluetooth. He was previously known as "HomeRF Lite" or "FireFly" wireless technology, mainly used for short-range wireless connections. Its basic technical parameters are shown in Table 1.
1 Individual combat system
The single soldier integrated combat system takes the single soldier as the basic unit, considers the man-machine environment as a whole, and applies a variety of advanced technologies to high-tech soldier equipment systems. The soldier's firepower, maneuverability, communication, sighting and protection capabilities make every soldier an effective fire attack unit, which can not only fight independently, but also coordinate actions, comprehensively improve the combat effectiveness of individual soldiers, so that soldiers have the conditions for future information Gain an advantage on the battlefield.
The individual soldier integrated combat system is generally divided into 5 subsystems: weapon subsystem, communication subsystem, sighting subsystem, life subsystem, and protection subsystem.
(1) Weapon subsystem
The system must be light in weight, strong in continuous combat capability, and able to deal with multiple targets. A series of accessories such as optical sights, laser sights, and laser rangefinders can be installed.
(2) Communication equipment subsystem
The main purpose is to improve the all-weather combat capability of individual soldiers and the ability to communicate and exchange information between individual soldiers, between units, and between individual soldiers and rear commanders.
(3) Viewing subsystem
Mainly provide soldiers with equipment to observe the enemy's situation and aim to shoot. He is mainly composed of night vision, night sight and long-distance aiming device, and in order to eliminate the inconvenience brought to the soldier aiming after wearing a helmet, the weapon sight can be designed to be connected to the display screen directly in front of the helmet, and the soldier can implement aiming when he looks at him And observation.
(4) Life subsystem
It mainly uses various sensors to collect and analyze various vital signs and surrounding environment data of soldiers. The monitoring results of the sensors are analyzed by the wearable computer of the soldier, and a numerical code is obtained and sent to the rear headquarters, the commander It can be judged whether the frontline combat soldiers are in a physiological state: whether they are injured, how they are injured; whether they are in a bad state such as fatigue, cold, disease, fear, etc.
(5) Protection subsystem
Various new materials are mainly used to achieve the full environmental protection capabilities of anti-attack, anti-laser blindness, anti-noise and waterproof, moisture-proof and cold-proof. He includes multi-functional helmets and protective clothing.
2 Application of ZigBee in life subsystem
The application workflow of ZigBee in the life subsystem is shown in Figure 1.
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