BATMAN

2R ROBOTIC ARM ABOUT: It is a type of mechanical arm,usually it’s perform a similar function like a human arm.in the 2r robotics arm,the two links and manipulator were connected by the joints and the joints allow to perform either rotational motion or linear displacement.the links of the manipulator can be consider to form a kinematic chain To create a animation using matlab: First of all,we should understand the concept of forward kinematics 2r robotics arm like how it’s works?,what are the material has been used?,how many linkages and joints has been used? Then,we should do analyse mathematically, ¨     Calculate length and position of link1.. ¨     Calculate length and position of link2.. For plotting purpose;we pick some co-ordinates,which refers to forward kinematics robotics arm. Starting orgin x0=0;y0=0 At link 1: x1=l1cos⍬;y1=l1sin⍬ At link 2:x2=x1+l2cos⍬;y2=y2+l2sin⍬ [x0 y0][x1 y1][x2 y2] write a code to create animation link 2r robotic arm: clear all close all clc %

DRAG FORCE   DRAG FORCE: Drag force is a force,which resistance offered by the fluid like air or water.if we consider a car travelling a point A to B,we put a hand outside thorugh the window,then we feel the opposive of air.its known as drag force.   DRAG FORCE EQUATION: When the drag takes place in the presence of air, it is known as aerodynamic drag. When it takes place in water, it is known as hydrodynamic drag.   F D  = ½c_dρAv 2   Where, C_d-Drag co-efficient,which is dimensionless with value,depending upon the shape of object.(c_d=0.33-0.41 for mini cars and c_d=0.31-0.40 for sport cars etc...). ρ  -rho is the density of fluid. V – velocity of the object. A – cross sectional area of object( In automonile 'A' consider as frontal area). UNIT OF DRAG FORCE:NEWTON or N Drag force is propotional to the square of the velocity.if the velocity of speed increases two times,drag force increases four times. EXAMPLE: A car travelling on a road. A bicycle pedalling

  TRIMMED BODY NVH   VEHICLE DESIGN DISCIPLINE: The vehicle design need to target the four discipline, They are… ·        MBD(multi body stimulation) ·        CRASH ·        DURABILITY ·        NVH(noise,vibration,harshness)     MBD(multi body stimulation): It helps in studying the dynamic of moving parts,How load,force are distributed throughout mechanical system.   CRASH: It is done to verify the structural integrity&  crash worthiness of the vehicle. In this particular design is more important,we can make a accidentand check it.whether,the passenger safe (or) not.   Durability: To access the life time of   biw components for service load. In durability,you have a repetitive load. For example, 10 Kg load applying the particular part continuously,how many hrs the part will sustainand when the part will break down.   NVH(noise,vibration,harshness): It is major priority in automotive design,because people feel fatique ,vibration etc…