1. “A Practical and Effective Layout for a Safe Human-Robot Collaborative Assembly Task”
by Scimmi, L.; Melchiorre, M.; Troise, M.; Mauro, S. and Pastorelli, S.
Appl. Sci. 2021, 11(4), 1763; https://doi.org/10.3390/app11041763
Available online: https://www.mdpi.com/2076-3417/11/4/1763

2. “Control of DC Motors to Guide Unmanned Underwater Vehicles”
by Sands, T.
Appl. Sci. 2021, 11(5), 2144; https://doi.org/10.3390/app11052144
Available online: https://www.mdpi.com/2076-3417/11/5/2144

3. “Belt Conveyors Rollers Diagnostics Based on Acoustic Signal Collected Using Autonomous Legged Inspection Robot”
by Skoczylas, A.; Stefaniak, P.; Anufriiev, S. and Jachnik, B.
Appl. Sci. 2021, 11(5), 2299; https://doi.org/10.3390/app11052299
Available online: https://www.mdpi.com/2076-3417/11/5/2299

4. “An Improved PID Controller for the Compliant Constant-Force Actuator Based on BP Neural Network and Smith Predictor”
by Pei, G.; Yu, M.; Xu, Y.; Ma, C.; Lai, H.; Chen, F. and Lin, H.
Appl. Sci. 2021, 11(6), 2685; https://doi.org/10.3390/app11062685
Available online: https://www.mdpi.com/2076-3417/11/6/2685

5. “Transformed Structural Properties Method to Determine the Controllability and Observability of Robots”
by Martinez, D.; Rubio, J.; Garcia, V.; Vargas, T.; Islas, M.; Pacheco, J.; Gutierrez, G.; Meda-Campaña, J.; Mujica-Vargas, D. and Aguilar-Ibañez, C.
Appl. Sci. 2021, 11(7), 3082; https://doi.org/10.3390/app11073082
Available online: https://www.mdpi.com/2076-3417/11/7/3082

6. “A Mobile Service Robot Global Path Planning Method Based on Ant Colony Optimization and Fuzzy Control”
by Tao, Y.; Gao, H.; Ren, F.; Chen, C.; Wang, T.; Xiong, H. and Jiang, S.
Appl. Sci. 2021, 11(8), 3605; https://doi.org/10.3390/app11083605
Available online: https://www.mdpi.com/2076-3417/11/8/3605

7. “Digital Twin for Designing and Reconfiguring Human–Robot Collaborative Assembly Lines”
by Kousi, N.; Gkournelos, C.; Aivaliotis, S.; Lotsaris, K.; Bavelos, A.; Baris, P.; Michalos, G. and Makris, S.
Appl. Sci. 2021, 11(10), 4620; https://doi.org/10.3390/app11104620
Available online: https://www.mdpi.com/2076-3417/11/10/4620

8. “Comparing Methods of DC Motor Control for UUVs”
by Shah, R. and Sands, T.
Appl. Sci. 2021, 11(11), 4972; https://doi.org/10.3390/app11114972
Available online: https://www.mdpi.com/2076-3417/11/11/4972

9. “A 4-DOF Upper Limb Exoskeleton for Physical Assistance: Design, Modeling, Control and Performance Evaluation”
by Gull, M.; Thoegersen, M.; Bengtson, S.; Mohammadi, M.; Andreasen Struijk, L.; Moeslund, T.; Bak, T. and Bai, S.
Appl. Sci. 2021, 11(13), 5865; https://doi.org/10.3390/app11135865
Available online: https://www.mdpi.com/2076-3417/11/13/5865

10. “Anomaly Detection Using Deep Neural Network for IoT Architecture”
by Ahmad, Z.; Shahid Khan, A.; Nisar, K.; Haider, I.; Hassan, R.; Haque, M.; Tarmizi, S. and Rodrigues, J.
Appl. Sci. 2021, 11(15), 7050; https://doi.org/10.3390/app11157050
Available online: https://www.mdpi.com/2076-3417/11/15/7050