• Designing and developing human-machine interfaces with multi-sensory-input using physiological sensing such as surface electromyograph (EMG).• Understanding user strategies and user learning while interfacing with myoelectric interfaces. Understanding human coordination between multiple sensorimotor pathways. • Designing and conducting human-subject experiments to evaluate human-machine interfaces. • Making robot designs that implement multiple behaviors using theory from the domain of multi-objective optimization.• Analyze learning dynamics of human-machine interaction using theory and algorithms from the domain of control theory, game theory, and optimization.