4 research outputs found

    Stabilization of inverted pendulum system using discrete sliding mode control

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    This paper presents the development of Discrete Sliding Mode Control (DSMC) to control an inverted pendulum systems. The mathematical model of inverted pendulum system is linearized using Taylor expansion method. The linear sliding surface was used to design the DSMC using equivalent method. The system is designed with additional matched external disturbance to validate the robustness of the controller. The findings demonstrated that the proposed controller’s capable to track the reference tracking and provide better response compared to Discrete Linear Quadratic Regulator (DLQR

    Rapid Prototyping Methodology of Lightweight Electronic Drivers for Smart Home Appliances

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    Many researches have been conducted in smart home topic. Mostly, they discussed on the specific aspect of application. On the other side, many applications still can be explored and attached into the system. Several main challenges in designing the application devices are system complexity, reliability, user friendliness, portability, and low power consumption. Thus, design of electronic driver is one of the key elements for overcoming these challenges. Moreover, the drivers have to comply the rules of smart home system, data protocol, and application purpose. Hence, we propose a rapid prototyping methodology on designing lightweight electronic drivers for smart home appliances. This methodology consists of three main aspects, namely smart home system understanding, circuitry concept, and programming concept. By using this method, functional and lightweight drivers can be achieved quickly without major changes and modifications in home electrical system. They can be remotely controlled and monitored anytime and from anywhere. For prototyping, we design several drivers to represent common electronic and mechanical based applications. Experimental results prove that the proposed design methodology can achieve the research target

    HIGH SECURITY DOOR LOCK SYSTEM BY USING ANDROID MOBILE WITH BLUETOOTH

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    Security is the main concern for everyone. Everyone wants to live securely in his/her house. Everybody wants themselves to keep safe or secure from various incidents like theft in their house or accidents caused due to LPG gas leakage or accidents due to fire in their house. Now days many times we hear news about house robbery or theft in some houses, bungalows, flats. These robberies or thefts take place when nobody is in house or in some cases we find that robbery take place even if people are in their houses. This thesis discusses about an ongoing project that serves the needs of people with physical disabilities at home. It uses the Bluetooth technology to establish communication between user's Smartphone and controller board. The prototype support manual controlling and microcontroller controlling to lock and unlock home door. By connecting the circuit with a relay board and connection to the Arduino controller board it can be controlled by a Bluetooth available to provide remote access from tablet or smart phone. This thesis addresses the development and the functionality of the Android-based application (Android app) to assist disabled people gain control of their living area

    Home safety handwriting pattern recognition system

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