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INTRODUCTION:
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints. It is embedded as part of a complete device often including hardware and mechanical parts. By contrast, a general purpose computer, such as a personal computer (PC), is designed to be flexible and to meet a wide range of end user needs. Embedded systems control many devices in common use today.
Modern embedded systems are often based on microcontrollers (i.e CPUs with integrated memory and/or peripheral interfaces) but ordinary microprocessors (using external chips for memory and peripheral interface circuits) are also still common, especially in more complex systems. In either case, the processor(s) used may be types ranging from rather general purpose to very specialize in certain class of computations, or even custom designed for the application at hand.
A common standard class of dedicated processors is the digital signal processor (DSP).The key characteristic, however, is being dedicated to handle a particular task. Since the embedded system is dedicated to specific tasks, design engineers can optimize it to reduce the size and cost of the product and increase the reliability and performance.
CHAPTER 2
2. EXSISTING SYSTEM:
In the golden days, the suppliers only serve the menu to the customer. But every often we asking the menu from the supplier is quit complex.In the recent past there as been evolution in order and serving system but still the result are not very much promising. With the advancement in communication technology in the issue of being late entertained can be solved there are many reasons due to which the feeling of dissatisfactions arise in customers mind order taking by waiter and meals server .The time taken by waiter for taking order is very long ,customer get disappointed.
2.1 DRAWBACKS:
They need other help.
There is no automatic system.
Power consumption is high.
CHAPTER 3
3. LITERATURE SURVEY:
VIRTUAL REALITY TO IMPROVE REMOTE CONTROL IN PRESENCE OF DELAYS
Author : Le Parc, P. ; Pardo, E. ; Touil, A. ; Vareille, J. /2010
This paper presents the use of virtual reality in the context of remote control. Virtual reality may be used in a classical manner in order to simulate the behavior of a system, but also in parallel with the real system in order to improve the quality of the control, making it possible to deal with time delays induced by the network. Our proposal may be applied to various fields such as robotics, measurements systems, industrial applications or demotic.
A WEB-BASED 3D VIRTUAL ROBOT REMOTE CONTROL SYSTEM
Author : Xiaoli Yang. ; Petriu, D.C. ; Whalen, T.E. ; Petriu, E.M. /2004
Robot remote control is a major subfield of robotics. It has many potential applications, such as remote production monitoring and manipulation in dangerous environments,etc. The paper proposes an approach to develop a robot remote control system by combining a 3D graphical model of the robot. The 3D graphical model of the environment and the robot is to get a more realistic interface which can help the user to control remotely the robot or part of the robot.
CHAPTER 4
4. PROPOSED SYSTEM:
The proposed system can be used in restaurant wherever the supplier serving to the customer. The proposed system consists of table top transmitter section and customer table receiver section. Whenever the customer reach the table, then PIR sensor sense the person identification. Then the user can get menu and at the same using virtual and also it reduces the complexity occurring among to customer and server.Here we introduce a new technology in restaurant for automatic digital menu transmission through mobile phone. Virtual reality technology is used to wide transmission of data without occurring of noise.
4.1 ADVANTAGES:
The system automatically provide the menu in indoor without any manual work.
It reduces the complexity among to server and customer.