1. Force capability in general 3 DoF planar mechanisms. (September 2015) Authors: Mejia, L.; Simas, H.; Martins, D. Journal: Mechanism and machine theory Issue: Volume 91(2015:Sep.) Page Start: 120 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Machine efficiency determined using graph and screw theories with application in robotics. (June 2020) Authors: Laus, L.P.; Simas, H.; Martins, D. Journal: Mechanism and machine theory Issue: Volume 148(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Wrench capability in redundant planar parallel manipulators with net degree of constraint equal to four, five or six. (November 2016) Authors: Mejia, L.; Simas, H.; Martins, D. Journal: Mechanism and machine theory Issue: Volume 105(2016:Nov.) Page Start: 58 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Wrench capability in redundant planar parallel manipulators with net degree of constraint equal to four, five or six. (November 2016) Authors: Mejia, L.; Simas, H.; Martins, D. Journal: Mechanism and machine theory Issue: Volume 105(2016:Nov.) Page Start: 58 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗