We can access and assign values to the accessing structure members in a number of ways. As mentioned earlier, the members themselves are not variables. They should be linked to the structure variables in order to make them meaningful members. For example, the word title, has no meaning whereas the phrase ‘title of book3’ has
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Surveillance generally refers to monitoring or observing a person or a group of people from a certain distance, frequently, although not necessarily, comprising the use of electronic equipment and/or other technological devices. Wireless surveillance balloon equipment is typically used in warfare and/or in counter-insurgency operations to monitor the activities of an enemy from a distance,
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Engineering design is a complex process which involves interaction between many skills and discipline. In traditional design, the components are designed through mechanical, hydraulic or pneumatic components and principles. But in a mechatronics approach, mechanical, electronics, computer technology and control engineering principles are included to design a system. Figure shows the schematic of traditional and
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The mechatronics system design process consists of the following stages. Stage 1: Need for design The mechatronics system design process begins with a need. Needs are usually arise from dissatisfaction with an existing situation. Needs may come from inputs of operating or service personal or from a customer through sales or marketing representatives. They may
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However, the difference between PLC and PC certain characteristics as follows. The architecture of a PLC is basically the same as that of a general purpose computer. The application of PLC is for industrial environment with wide variation in atmosphere conditions and PLC is very rigid and compact. The PLC programming can be accomplished in
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Data manipulation instructions enable the PLCs to take on additional characteristics that are beyond the conventional relay equivalent instruction. It allows the movement, manipulation or storage of data in either single or multi-word groups from one data memory area of the PLC to another. Therefore, data manipulation can be divided into many categories Data transfer
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