Advancements in Enhancing Degrees of Freedom for Upper-Limb Prostheses: Mechanisms, Control, and Sensory Feedback
Upper-limb amputation seriously affects a person's daily life. Traditional commercial myoelectric prostheses have only 2-6 degrees of freedom (DOFs) and are not yet capable of fine-motor manipulation. This paper reviews representative progress from 2014 to the first half of 2026 in three main directions: mechanism desi...