Signal processing

Signal processing is an area of electrical engineering and applied mathematics that deals with operations on or analysis of signals, in either discrete or continuous time, to perform useful operations on those signals. Signals of interest can include sound, images, time-varying measurement values and sensor data, for example biological data such as electrocardiograms, control system signals, telecommunication transmission signals such as radio signals, and many others. Signals are analog or digital electrical representations of time-varying or spatial-varying physical quantities. In the context of signal processing, arbitrary binary data streams and on-off signaling are not considered as signals, but only analog and digital signals that are representations of analog physical quantities.

Analog signal processing is for signals that have not been digitized, as in classical radio, telephone, radar, and television systems. This involves linear electronic circuits such as passive filters, active filters, additive mixers, integrators and delay lines. It also involves non-linear circuits such as compandors, multiplicators (frequency mixers and voltage-controlled amplifiers), voltage-controlled filters, voltage-controlled oscillators and phase-locked loops.

Presentation

Digital Signal Processing - The University of Texas at Austin

Digital Signal Processing (DSP) Fundamentals

Multirate Digital Signal Processing

Basics of Signal Processing – Intel

Digital Signal Processing Using MATLAB甐.4

Seminar on Smoke detector

A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible and/or visual alarm from the detector itself.
Smoke detectors are typically housed in a disk-shaped plastic enclosure about 150 millimetres (6 in) in diameter and 25 millimetres (1 in) thick, but the shape can vary by manufacturer or product line. Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization), while others use both detection methods to increase sensitivity to smoke. Sensitive alarms can be used to detect, and thus deter, smoking in areas where it is banned such as toilets and schools. Smoke detectors in large commercial, industrial, and residential buildings are usually powered by a central fire alarm system, which is powered by the building power with a battery backup. However, in many single family detached and smaller multiple family housings, a smoke alarm is often powered only by a single disposable battery.

               

The first automatic electric fire alarm was invented in 1890 by Francis Robbins Upton (U.S. patent no. 436,961). Upton was an associate of Thomas Edison, but there is no evidence that Edison contributed to this project.
George Andrew Darby patents the first electrical Heat detector and Smoke detector in 1902 in Birmingham, England. [1]
In the late 1930s the Swiss physicist Walter Jaeger tried to invent a sensor for poison gas. He expected that gas entering the sensor would bind to ionized air molecules and thereby alter an electric current in a circuit in the instrument. His device failed: small concentrations of gas had no effect on the sensor's conductivity. Frustrated, Jaeger lit a cigarette—and was soon surprised to notice that a meter on the instrument had registered a drop in current. Smoke particles had apparently done what poison gas could not. Jaeger's experiment was one of the advances that paved the way for the modern smoke detector.

Presentation on smoke detector

Residential Smoke Alarm Installation

Smoke Detectors

How Does A Smoke Detector Work?

First Thought When Smoke Detector Went Off

Smoke Detector Installation.ppt

Wireless Smoke Detection

Carbon Monoxide Detectors & Fire Alarms

Seminar on Motion detector

An electronic motion detector contains a motion sensor that transforms the detection of motion into an electric signal. This can be achieved by measuring optical or acoustical changes in the field of view. Most motion detectors can detect up to 15–25 meters (50–80 feet).
A motion detector may be connected to a burglar alarm that is used to alert the home owner or security service after it detects motion. Such a detector may also trigger a red light camera or outdoor lighting.
An occupancy sensor is a motion detector that is integrated with a timing device. It senses when motion has stopped for a specified time period in order to trigger a light extinguishing signal. These devices prevent illumination of unoccupied spaces like public toilets. They are widely used for security purposes.a

                             

There are basically four types of sensors used in motion detectors spectrum:
Passive infrared sensors (Passive)
Looks for body heat. No energy is emitted from the sensor.
Ultrasonic (active)
Sends out pulses of ultrasonic waves and measures the reflection off a moving object.
Microwave (active)
Sensor sends out microwave pulses and measures the reflection off a moving object. Similar to a police radar gun.
Tomographic Detector (active)
Senses disturbances to radio waves as they travel through an area surrounded by mesh network nodes.

Presentation on Motion sensor

Motion Sensors

Motion detection with movement detectors

MRI Motion Detector Software Applicaiton

Motion Detector

Motion Detection in UAV videos

Using the motion detector

Seminar on Programmable logic controller

A programmable logic controller (PLC) or programmable controller is a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures. PLCs are used in many industries and machines. Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact. Programs to control machine operation are typically stored in battery-backed or non-volatile memory. A PLC is an example of a hard real time system since output results must be produced in response to input conditions within a bounded time, otherwise unintended operation will result.

               

The PLC was invented in response to the needs of the American automotive manufacturing industry. Programmable logic controllers were initially adopted by the automotive industry where software revision replaced the re-wiring of hard-wired control panels when production models changed.
Before the PLC, control, sequencing, and safety interlock logic for manufacturing automobiles was accomplished using hundreds or thousands of relays, cam timers, and drum sequencers and dedicated closed-loop controllers. The process for updating such facilities for the yearly model change-over was very time consuming and expensive, as electricians needed to individually rewire each and every relay.

Presentation

PROGRAMMABLE LOGIC CONTROOLER

PROGRAMMABLE LOGIC CONTROOLER 2

Industrial Programmable Logic Controllers (PLCs)

What is a PLC ?

PLC AND ITS APPLICATION

Programmable Logic Controllers

Seminar on power systems automations

Power system automation is the act of automatically controlling the power system via instrumentation and control devices. Substation automation refers to using data from Intelligent electronic devices (IED), control and automation capabilities within the substation, and control commands from remote users to control power system devices.
Since full substation automation relies on substation integration, the terms are often used interchangeably. Power system automation includes processes associated with generation and delivery of power.

Monitoring and control of power delivery systems in the substation and on the pole top reduce the occurrence of outages and shorten the duration of outages that do occur. The IEDs, communications protocols, and communications methods, work together as a system to perform power system automation. The term “power system” describes the collection of devices that make up the physical systems that generate, transmit, and distribute power. The term “instrumentation and control (I&C) system” refers to the collection of devices that monitor, control, and protect the power system.

Presentation

power_system_automation

GE Power Automation System - GEDigitalenergy.eu

Power Systems Modeling and Stability Analysis

Power System Protection and Automation in GECOL

Distribution Automation Systems with Advanced Features

Seminar on Flight Simulator

Flight simulation is an artificial re-creation of aircraft flight and various aspects of the flight environment. This includes the equations that govern how aircraft fly, how they react to applications of their controls and other aircraft systems, and how they react to the external environment such as air density, turbulence, cloud, precipitation, etc. Flight simulation is used for a variety of reasons, including flight training (mainly of pilots), for the design and development of the aircraft itself, and for research into aircraft characteristics, control handling qualities, and so forth.

        
Flight simulations have varying degrees of hardware, modelling detail and realism that depend on their purpose. They can range from PC laptop-based models of aircraft systems, to simple replica cockpits for familiarisation purposes, to more complex cockpit simulations with some working controls and systems, to highly detailed cockpit replications with all controls and aircraft systems and wide-field outside-world visual systems, all mounted on six degree-of-freedom (DOF) motion platforms which move in response to pilot control movements and external aerodynamic factors.

Presentation

Flight Simulator Game Engine Progress

Flight Simulation With XNA

Cessna H Specs

Visual Flight Simulator

Human Space Flight Training Survey – FAA

Computational Bat Flight Visualization

Inventory Control System

An inventory control system is a process for managing and locating objects or materials. In common usage, the term may also refer to just the software components.
Modern inventory control systems often rely upon barcodes and RFID tags to provide automatic identification of inventory objects. In an academic study performed at Wal-Mart, RFID reduced Out of Stocks by 30 percent for products selling between 0.1 and 15 units a day. Inventory objects could include any kind of physical asset: merchandise, consumables, fixed assets, circulating tools, library books, or capital equipment. To record an inventory transaction, the system uses a barcode scanner or RFID reader to automatically identify the inventory object, and then collects additional information from the operators via fixed terminals (workstations), or mobile computers.

An inventory control system may be used to automate a sales order fulfillment process. Such a system contains a list of order to be filled, and then prompts workers to pick the necessary items, and provides them with packaging and shipping information.
An inventory system also manages in and outwards material of hardware.
Real-time inventory control systems may use wireless, mobile terminals to record inventory transactions at the moment they occur. A wireless LAN transmits the transaction information to a central database.

PowerPoint Presentation on inventory control system

Inventory Management I

Inventory Management 2

Inventory Management 3

Inventory Systems for Independent Demand

DISTRIBUTION INVENTORY SYSTEMS

Inventory control model

Seminar - Online Gaming

An online game is a game played over some form of computer network. This almost always means the Internet or equivalent technology, but games have always used whatever technology was current: modems before the Internet, and hard wired terminals before modems. The expansion of online gaming has reflected the overall expansion of computer networks from small local networks to the Internet and the growth of Internet access itself. Online games can range from simple text based games to games incorporating complex graphics and virtual worlds populated by many players simultaneously. Many online games have associated online communities, making online games a form of social activity beyond single player games.

The rising popularity of Flash and Java led to an Internet revolution where websites could utilize streaming video, audio, and a whole new set of user interactivity. When Microsoft began packaging Flash as a pre-installed component of IE, the Internet began to shift from a data/information spectrum to also offer on-demand entertainment. This revolution paved the way for sites to offer games to web surfers. Some online multiplayer games like World of Warcraft, Final Fantasy XI and Lineage II charge a monthly fee to subscribe to their services, while games such as Guild Wars offer an alternative no monthly fee scheme. Many other sites relied on advertising revenues from on-site sponsors, while others, like RuneScape, or Tibia let people play for free while leaving the players the option of paying, unlocking new content for the members.

PowerPoint presentation on  Online gaming

Online Gaming

Online Gaming 2

Teens and Gaming

Online Gaming 3

Online Games 4

Measuring Online Game Application in GPRS and UMTS

Seminar on IPTV

Internet Protocol television (IPTV) is a system through which Internet television services are delivered using the architecture and networking methods of the Internet Protocol Suite over a packet-switched network infrastructure (such as the Internet or other access network), instead of being delivered through traditional radio frequency broadcast, satellite signal, and cable television (CATV) formats.
IPTV services may be classified into three main groups:
live television, with or without interactivity related to the current TV show;

time-shifted television: catch-up TV (replays a TV show that was broadcast hours or days ago), start-over TV (replays the current TV show from its beginning)
video on demand (VOD): browse a catalog of videos, not related to TV programming.
IPTV is distinguished from general Internet-based or web-based multimedia services by its on-going standardization process (e.g., European Telecommunications Standards Institute) and preferential deployment scenarios in subscriber-based telecommunications networks with high-speed access channels into end-user premises via set-top boxes or other customer-premises equipment.

Powerpoint presentation on IPTV

Iptv.Ppt

IPTV Industry Potential and Limitations - Gerson Lehrman Group

Presentation on IPTV and Mobile TV

Social IPTV Platform for Internal Collaboration

Seminar on Smartphone

A smartphone is a high-end mobile phone that offers more advanced computing ability and connectivity than a contemporary feature phone (i.e. a modern low-end phone). A smartphone combines the functions of a personal digital assistant (PDA) and a mobile phone. Today's models typically also serve as portable media players and camera phones with high-resolution touchscreen, GPS navigation, Wi-Fi and mobile broadband access.
A smartphone runs a complete mobile operating system. Widespread examples are Apple iOS, Google Android, Microsoft Windows Phone 7, Nokia Symbian, Research In Motion BlackBerry OS, and embedded Linux distributions such as Maemo and MeeGo. Such systems can be installed on many different phone models. They can run third-party applications, using an application programming interface (API).
According to an Olswang report in early 2011, the rate of smartphone adoption is accelerating: as of March 2011 22% of UK consumers had a smartphone, with this percentage rising to 31% amongst 24–35 year olds. Growth in demand for advanced mobile devices boasting powerful processors and graphics processing units, abundant memory (FLASH memory), high-resolution screens with multi-touch capability, and open operating systems has outpaced the rest of the mobile phone market for several years. According to an early 2010 study by ComScore, over 45.5 million people in the United States owned smartphones out of 234 million total subscribers. Despite the large increase in smartphone sales in the last few years, smartphone shipments only make up 20% of total handset shipments, as of the first half of 2010. In March 2011 Berg Insight reported data that showed global smartphone shipments increased 74% from 2009 to 2010.

                  

Power point presentation on Smartphone

Smartphones at Rice University

SmartPhone Attacks and Defenses

Smart-phones

Smartphones in Ophthalmology

Understanding Win32 Support in Pocket PC and Smartphone

SmartPhone Thesis A Seminar - cse

Seminar on Real-Time Operating Systems

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time application requests.
A key characteristic of a RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application's task; the variability is jitter. A hard real-time operating system has less jitter than a soft real-time operating system. The chief design goal is not high throughput, but rather a guarantee of a soft or hard performance category. A RTOS that can usually or generally meet a deadline is a soft real-time OS, but if it can meet a deadline deterministically it is a hard real-time OS.
A real-time OS has an advanced algorithm for scheduling. Scheduler flexibility enables a wider, computer-system orchestration of process priorities, but a real-time OS is more frequently dedicated to a narrow set of applications. Key factors in a real-time OS are minimal interrupt latency and minimal thread switching latency, but a real-time OS is valued more for how quickly or how predictably it can respond than for the amount of work it can perform in a given period of time.

Power point presentation on real-time operating system

RTOS - Design and Implementation

6.0 INTRODUCTION TO REAL-TIME OPERATING SYSTEMS (RTOS)

Real Time Operating Systems

Real-Time Operating Sytems - Stanford

Basic Design using RTOS

Real Time Operating Systems (RTOS)

Seminar on Mobile commerce

Mobile Commerce, or m-Commerce, is about the explosion of applications and services that are becoming accessible from Internet-enabled mobile devices. It involves new technologies, services and business models. It is quite different from traditional e-Commerce. Mobile phones impose very different constraints than desktop computers. But they also open the door to a slew of new applications and services. They follow you wherever you go, making it possible to look for a nearby restaurant, stay in touch with colleagues, or pay for items at a store.

              

As the Internet finds its way into our purses or shirt pockets, the devices we use to access it are becoming more personal too. Already today, mobile phones know the phone numbers of our friends and colleagues. They are starting to track our location. Tomorrow, they will replace our wallets and credit cards. One day, they may very well turn into intelligent assistants capable of anticipating many of our wishes and needs, such as automatically arranging for taxis to come and pick us up after business meetings or providing us with summaries of relevant news and messages left by colleagues. But, for all these changes to happen, key issues of interoperability, usability, security, and privacy still need to be addressed.

 

Power presentation on Mobile Commerce

Introduction to M-Commerce - Stanford InfoLab

Mobile Commerce

Mobile Commerce 2

Mobile Computing & Networking

Idea Mobile Commerce

Mobile Commerce - Protocol Engineering and Technology Unit

Seminar on Marketing

Marketing is the process used to determine what products or services may be of interest to customers, and the strategy to use in sales, communications and business development.It generates the strategy that underlies sales techniques, business communication, and business developments. It is an integrated process through which companies build strong customer relationships and create value for their customers and for themselves.

Marketing is used to identify the customer, satisfy the customer, and keep the customer. With the customer as the focus of its activities, marketing management is one of the major components of business management. Marketing evolved to meet the stasis in developing new markets caused by mature markets and overcapacities in the last 2-3 centuries.[citation needed] The adoption of marketing strategies requires businesses to shift their focus from production to the perceived needs and wants of their customers as the means of staying profitable.
The term marketing concept holds that achieving organizational goals depends on knowing the needs and wants of target markets and delivering the desired satisfactions. It proposes that in order to satisfy its organizational objectives, an organization should anticipate the needs and wants of consumers and satisfy these more effectively than competitors.

Power point presentation on Marketing

Presentation Guidelines for Marketing Plans

Marketing

How to create a Successful Marketing Plan

Marketing Management

CRM in Marketing

MARKETING ENVIRONMENT

Seminar on Sap R/3 Architecture

SAP R/3 is the former name of the main enterprise resource planning software produced by SAP AG. It is an enterprise-wide information system designed to coordinate all the resources, information, and activities needed to complete business processes such as order fulfillment or billing.

The first version of SAP's flagship enterprise software was a financial Accounting system named R/1 called as YSR. This was replaced by R/2 at the end of the 1970s. SAP R/2 was in a mainframe based business application software suite that was very successful in the 1980s and early 1990s. It was particularly popular with large multinational European companies who required soft-real-time business applications, with multi-currency and multi-language capabilities built in. With the advent of distributed client–server computing SAP AG brought out a client–server version of the software called SAP R/3 (The "R" was for "Real-time data processing" and 3 was for 3-tier). This new architecture is compatible with multiple platforms and operating systems, such as Microsoft Windows or UNIX. This opened up SAP to a whole new customer base

SAP R/3 was officially launched on 6 July 1992. It was renamed SAP ERP and later again renamed ECC (ERP Central Component). SAP came to dominate the large business applications market over the next 10 years. SAP ECC 5.0 ERP is the successor of SAP R/3 4.70. The newest version of the suite is SAP ERP 6.0 – the path to SAP Business Suite 7.

Power point presentation on SAP

SAP R/3 Architecture

SAP R/3 Architecture 2

Study of SAP R/3 Architecture

SAP R/3 Overview & Basis Technology

SAP Business Warehouse (BW)

Architecture of the R/3 System