The goal of this wristband is to provide less invasive tools to interact with computers for people with motor disabilities.

Meta’s wristband uses a technique called electromyography, or EMG, to gather electrical signals from muscles in the forearm.

For the nonlinear, time-variable and unpredictable environment (such as the manipulator workspace that has many random and moveable obstacles), a Hammerstein adaptive (HA) impedance controller based ...