chandigarh pec chandigarh organised open house 2017 an annual exhibition to provide an exposure of pec university of technology to high school students the event which started at noon displayed projects of computer sciences electrical mechanical and communication materials and metallurgical and four other departments with over 25 projects from the college itself a panel of eminent personalities with technology background such as lalit singla senior project manager infosys rimi vig uit director and some other pecso professors evaluated the projects the first position was bagged by electronic departments women security assistance system and was awarded a prize money of rs 5000 it was followed by electrical departments parallel operations using plc with a cash prize of rs 3000 the third position was bagged by aerospace departments crop health monitoring using drones it got a cash prize of rs 2000 consolation prizes were awarded to the mechanical departments regenerative portable inroom air conditioner and the department of computer sciences human fault detection system each team won cash rs 1000women security assistance system a project designed by aditya goel amit verma and vineet jain the system with gps location tracking and messaging system also has two microcontrollers to track the location of the device holder it has an activation button which enables the device to send his last location in the form of sms at regular intervals to selected numbers with date and time for regular security check a panic button sends emergency sms in adverse situations the location can be tracked via google maps which can also be used later as the location will be saved in the sd card of the mobile phone or any such device aaditya goel said this project if taken forward can be a blessing for women and children who go to far away schools coaching classes or any other purpose the project is cost efficient as well as verifiable in real time he saidparallel operation using plc a programmable logic controller plc is an industrial computerised control system that monitors the state of input devices and makes decisions based upon a custom program to control the state of output devices its major advantage is its ability to conduct simultaneous operations while collecting and communicating vital information the automatic sorting machine is designed for separating specifiedsized components of metal and nonmetal by integrating inductive and capacitive sensors with plc along side the electronic voting machine is shown with a biometric system it uses thumb impression for voter identification to eliminate invalid or repeat votes the fingerprint sensor passes the details to the plc for verification which then compares this data with the database only if the details match the person is allowed to vote the touch buttons for voting and the corresponding messages are displayed on the got graphic operation terminal screen attached to the plc kitcrop health monitoring using drones normalized difference vegetation index ndvi is calculated from the visible and nearinfrared light reflected by the vegetation healthy vegetation absorbs most of the visible