ZigBee network system for observing operating activities of work vehicles

Abstract : Observing activities of working vehicles on a work site, such as a factory, is important in regard to managing the lifetime of vehicles and achieving high operational availability. However, it is a problem that an administrator cannot completely grasp the activities of a working vehicle. Existing systems cannot cover a large area, particularly in an indoor environment. A system is proposed for monitoring operating activities of working vehicles, regardless of whether they are operating indoors or outdoors. The system calculates the activity rate of a vehicle by analyzing the topology of a network configured by the wireless technology ZigBee. In addition, it was experimentally verified that network topology and RSSI can be used to estimate activities of working vehicles.

 EXISTING SYSTEM :

 ? Some architectures for multi-UAV systems exist, which can be classified as centralized and decentralized. ? This architecture is not viable for applications involving disasters and military operations since it needs an existing infrastructure and it has a high implementation cost. ? The existing network comprising the aircrafts is of ad-hoc type and allows the messages to be exchanged among all the network components, thus characterizing the U2U communication. ? Some authors also call it hierarchical architecture due to the existence of several layers, which are composed of UAVs with different functions.

 DISADVANTAGE :

 ? The idea is to transport UAVs to the disaster area and reduce problems related to faults by making the UAV work as a router or a data mule. ? The delivery process was fast enough and did not present any problem. However, sometimes some uncontrolled variable, such as wind, signal interference, among others, may impair the delivery process. ? The proper operation of this system, the establishment of a communication network that ensures the exchange of information among the aircraft is an essential issue. ? The cooperative aspect of such applications requires some issues to be properly addressed to ensure that the FANET provides an accurate exchange of information during the mission execution.

 PROPOSED SYSTEM :

 • A system is proposed for checking working exercises of working vehicles, paying little respect to whether they are working inside or outside. • In this manner, the proposed system is characterized by estimating the activity status from changes occurring in the network. • The proposed system decides the relative positional connection between the working vehicle from an adjustment in the ZigBee topology and RSSI. • In light of these test comes about, a calculation for evaluating the examples of exercises of working vehicles was proposed. • In this examination, expecting to enhance work effectiveness, a system for watching working exercises of working vehicles by using ZigBee is proposed.

 ADVANTAGE :

 ? The alternative 16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty. ? An embedded system is housed on a single microprocessor board with the programs stored in ROM. ? These two methods, broadcast to all endpoints in a device is available, and group addressing is used to communicate with groups of endpoints belonging to a set of devices. ? Outgoing frames will use the adequate link key according to the routing, if it is available; otherwise, the network key will be used to protect the payload from external devices. ? They evaluated only the WiFi network, in which the results show that the network performance is drastically affected by the UAV’s movement and the antenna position.