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FOLLOWER SENSORS AND ACTUATORS EE 552 INTSTRUCTOR :Dr MOHAN KRISNAN BY MOHAMMED KASHIF IQBAL ANESH BODDAPATTI UNIVERSITY OF DETROIT MERCY Flow chart Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view Follower A Small mechatronic system ► Detects the object ► Measures the distance from object ► Generally moves forward ► If obstacle is detected then moves backward ► Video of follower Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view SENSOR A device that responds to a stimulus like heat, light, pressure etc and generates a signal is called as sensor A sensor converts physical parameters to electrical parameters Follower sensor Actuator IR Proximity sensor Data Acquisition computer DAQ 6009 Lab-view IR PROXIMITY SENSOR IR proximity sensor ► Works by sending out a beam of infrared light ► computes the distance depending on the reflected light ► Voltage varies depending on reflected light IR proximity sensor •Triangulation method SENSOR SPECIFICATIONS IR Proximity Sensor ( GP2D12) product from SHARP Distance output type : Analog Detecting distance : 10 to 80 Cm Operating Supply Voltage : 4.5 V to 5.5 V Output Voltage Range : 1.75 V to 2.25 V Follower sensor Actuator Data Acquisition computer IR Proximity sensor Stepper motor DAQ 6009 Lab-view ACTUATOR A device which activates Performs mechanical motion with the values of signal given by sensor Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view Stepper motor Stepper motor An electromagnetic actuator it is digital actuator Moves in fixed angular steps Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view DATA ACQUISITION System which acquires data by digitizing analog channels and storing the data in digital form. ► capable of automatically collecting data from sensors ► can be used alone or with a computer ► acquire multiple channels of data. ► Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view USB 6009 product of NI USB 6009 product of NI ► ► ► ► ► used as a interface between computer and hardware small, portable multifunction data acquisition device 12 Bit digital I/O lines 2 true DAC analog outputs for accurate output signal here we used to measure sensor signal and generate pulses to control DC stepper motor Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view Computer used to run software of NI Lab-view 7.0 ► to save data ► It is connected to USB 6008 DAQ Card ► Follower sensor IR Proximity sensor Actuator Stepper motor Data Acquisition computer DAQ 6009 Lab-view Software (LAB-View 7.0) product of NI ► Lab view is a platform for a visual programming ► Has many libraries and tools. ► The graphical language is named "G". ► Used to design, control and test Flow diagram SENSE RESPOND INTERPRET Future development ► Able to move in all directions ► Able to detect obstacles in long ranges ► Can be installed in automobiles ► Can be used to control speed of vehicle drawbacks ► Presently moves only forward and backward ► Sensor can detect only in a small range References ► www.hitechnic.com ► www.ni.com/daq. ► www.google.com ► www.globalspec.com conclusion ► Project is successfully completed as shown in the flowchart Q & A Session