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All of the kinematic analysis of the mechanism was done via Python. The analysis of the four-bar mechanism was done concurrently with the linkage synthesis using the analytical solution for that linkage. The velocity analysis was done via numerical calculus to simplify the process. As the dwell introduces discontinuities in both the position and velocity profile of the output, only an approximate analysis was sufficient. As all generated linkages were assured to be Grashof, the crank was able to achieve a full rotation for its mobility condition.
(I will add the pictures later.)
Computer 
Figure 1. Raw output angle vs. input angle of the four-bar linkage.
Figure 2. Normalized output angle vs. input angle.
Figure 3. Dwell mechanism output vs. input angle.
Figure 4. Angular velocity vs. input angle.
Figure 5. Angular acceleration vs. input angle.
Computer-Aided Design
The CAD of this project was done via Solidworks. Our team utilised utilized the simulations in Solidworks to test our ideas and verify that the gear ratios we calculated before indeed generated the desired output motion. Furthermore, it allowed us to identify potential problems in advance, which would increase the efficiency of our manufacturing and assembly processes.
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