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  6. Open-Loop Control for Exoskeleton Motor Controllers

Open-Loop Control for Exoskeleton Motor Controllers

Description

This invention describes an approach to provide accurate control of exoskeleton assistance (joint actuator) without the need for embedded torque sensors which are typically used for closed-loop (torque-feedback) control of assistance.

Additional information

Patent number and inventor

17/207,137

Zachary Lerner, Jason Luque, and Greg Orekhov.

Potential applications

This method was specifically developed to improve the commercialization of an exoskeleton system. It allows for a safer, more effective, less expensive, and near-silent exoskeleton system.

Benefits and advantages

This novel method provides finely-tuned exoskeleton assistance (torque), but without the need for torque sensor feedback (i.e., closed-loop). This control approach requires fewer, less expensive sensors, and allows for a smaller, more compact exoskeleton mechanical assembly.

Additionally, this method uses less battery power, allowing for longer operation on the same charge, and the motor operation is considerably less noisy.

Case number and licensing status

2020-025

This invention is licensed.