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This paper presents a new way to design PID controller for both integer order and fractional order with a time delay for a typical interacting cylindrical tank system using MATLAB FOMCON toolbox. Here, our work aims to study the performance characteristics of integer order and fractional order PID controller on the current integer order plant obtaining minimum objective function by Nelder — Mead optimization technique with different performance metrics ISE, ITSE and IAE. Next our work shows to make comparison between integer order PID controller based on AMIGO model performance and fractional order PID controller on time domain characteristics. The proposed method aims finally to analyze overall desired performance on fractional order PID controller by adding two extra degrees of freedom over the integer order PID controller with different performance criteria.

The system introduced here is an experimental study which helps in controlling the characteristics and ON/OFF states of a control valve. A graphical user Interface has been developed using supervisory control and data acquisition (SCADA) and the programming of the control system has been done using programmable logic control (PLC). A descriptive study has been incorporated in this paper to formulize all factors responsible for the change in valve characteristics. This system gives a clear idea about the opening and closing of three types of valves which may be present as per its requirement in an industry. The user of the system is able to supply input parameters so as to efficiently control the valve. The system is highly efficient and cost effective, as only one interfaced digital system along with a PLC can control many subsequent valves.

This paper describes the design and development of a system for household appliance control using cell phone through global system for mobile communication (GSM) technology. The cellular communications is a potential solution for such remote controlling activities. SMS (short message service) technology can be used to control household appliances from distance. Remotely, the system allows the home owner to monitor and control the home appliances via mobile phone set by sending commands in the form of SMS messages and receiving the appliances status as well. The proposed system makes use of wireless control hence can be effectively used in systems were unwired connections are desired. The system uses the user's mobile handset for control and therefore the system is more adaptable and cost-effective and also providing ubiquitous access for appliance control.