Question

Consider the following fourbar linkage. Write down your analysis and the toggle positions in a separate sheet. Write a MATLAB script, called YournameLab4, to determine and plot the coupler curve of point P with respect to shown coordinate system. You can define all the link parameters and do all the calculations in the script. Make sure that your plot is properly labeled. Hint: First do the analysis with respect to the local coordinates (the x-axis parallel to the ground link) and at the last step transform the coupler points into the global coordinates. Follow the steps below to solve the problem: 1. Determine the toggle positions of the fourbar. Use these limits to deter- mine the range of $\theta_2$ to be used to calculate the link motion and for your plot. Input angle at toggle position: 2. Use the vector loop method (Pg 185- 191) to determine the values of $\theta_3$ at toggle position. $\theta_3$ at toggle position: 3. Determine the coupler curve of point P for the whole range of $\theta_2$. Use $\theta_3$ of the open circuit configuration for this. (Re- fer to method on Pg 204). 4. Transform the points into the global co- ordinates using the coordinate transfor- mation technique.

          Consider the following fourbar linkage. Write down your analysis and the toggle positions
in a separate sheet. Write a MATLAB script, called YournameLab4, to determine and plot
the coupler curve of point P with respect to shown coordinate system. You can define all the link
parameters and do all the calculations in the script. Make sure that your plot is properly labeled.
Hint: First do the analysis with respect to the local coordinates (the x-axis parallel to the ground
link) and at the last step transform the coupler points into the global coordinates. Follow the
steps
below
to
solve
the
problem:
1. Determine the toggle positions of the
fourbar. Use these limits to deter-
mine the range of $\theta_2$ to be used to
calculate the link motion and for your
plot.
Input angle at toggle position: 
2. Use the vector loop method (Pg 185-
191) to determine the values of $\theta_3$ at
toggle position.
$\theta_3$ at toggle position: 
3. Determine the coupler curve of point P
for the whole range of $\theta_2$. Use $\theta_3$ of the
open circuit configuration for this. (Re-
fer to method on Pg 204).
4. Transform the points into the global co-
ordinates using the coordinate transfor-
mation technique.

Consider the following fourbar linkage. Write down your analysis and the toggle positions
in a separate sheet. Write a MATLAB script, called YournameLab4, to determine and plot
the coupler curve of point P with respect to shown coordinate system. You can define all the link
parameters and do all the calculations in the script. Make sure that your plot is properly labeled.
Hint: First do the analysis with respect to the local coordinates (the x-axis parallel to the ground
link) and at the last step transform the coupler points into the global coordinates. Follow the
steps
below
to
solve
the
problem:
1. Determine the toggle positions of the
fourbar. Use these limits to deter-
mine the range of θ2 to be used to
calculate the link motion and for your
plot.
Input angle at toggle position:
2. Use the vector loop method (Pg 185-
191) to determine the values of θ3 at
toggle position.
θ3 at toggle position:
3. Determine the coupler curve of point P
for the whole range of θ2. Use θ3 of the
open circuit configuration for this. (Re-
fer to method on Pg 204).
4. Transform the points into the global co-
ordinates using the coordinate transfor-
mation technique.

Added by Mar-A M.

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