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When force and torque are applied, a robotic force torque sensor records them. A signal is created, monitored, recorded, and used as a feedback signal in human-robot interaction using this method. A force torque (FT) sensor is an electronic device that measures, detects, records, and regulates linear and rotational forces applied to it.
In other words, the FT sensor in a robotic or mechanical system is analogous to the skin micro-receptors that provide animals with the sense of “touch.” A force-torque sensor (FTS) is typically mounted to the wrist of a robot manipulator to detect forces during physical Human-Robot Interaction (pHRI). Instead, collaborative robots can monitor interaction forces at their joints via torque sensing.
The Global Robot Joint Torque Sensor market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
TE Connectivity has released a torque sensor for cobots. To meet the growing demand for safe collaborative robots in manufacturing, TE Connectivity (TE) has developed a safety torque sensor with integrated and improved functional safety, including higher accuracy and speed, for the next generation of human-robot cooperation.
TE’s ring-shaped safety torque sensor, which may be installed at each cabot joint, meets the increased level of safety criteria up to ISO13849 Category 4 PL e thanks to two electrically-separated channels with no common cause failure.
Reduced susceptibility to cross loads: TE’s safety torque sensor was designed particularly for collaborative robot applications and to be built on harmonic drive gear boxes, resulting in a highly complicated stress state.
The sensor design is then improved to reduce axial, radial load, and tilting moment susceptibility, resulting in increased accuracy. Customised mechanical interface: Systems such as robots demand highly integrated components, and the safety torque sensor is available with customizable mechanical connections.
The low-profile sensor has an overall height of less than 20 mm but may be easily changed in terms of size and sensing range to match customer application needs. If necessary, the sensor can be employed as a sealing wall to seal a gearbox while preserving high overload capability to assist prevent sensor failure.
