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Shanghai-based Fourier at this time launched GR-2, the most recent technology of its GRx humanoid robotic collection. The corporate has upgraded its {hardware}, design, and software program.
“GR-2 is an enormous step into the way forward for humanoid robotics,” said Alex Gu, CEO of Fourier. “We’re keen about constructing probably the most intuitive embodied agent for AI, permitting it to have interaction with the bodily world in methods like by no means earlier than. Fourier is worked up to have builders, researchers, and enterprises be a part of us on this unimaginable journey.”
This announcement adopted the firm‘s rebranding from Fourier Intelligence to Fourier earlier this yr, and the GR-2 launch builds on the manufacturing launch of the first-generation GR-1 in late 2023.
Fourier improves {hardware} design
The GR-2 stands 175 cm (68.9 in.) tall and weighs 63 kg (139 lb.), whereas the GR-1 is 165 cm (65 in.) tall and weighs 55 kg (121 lb.). GR-2 presents 53 levels of freedom and a single-arm load capability of three kg (6.6 lb.).
A brand new function of Fourier’s humanoid is a removable battery with twice the capability of its predecessor and a runtime of as much as two hours. Because the battery is now swappable, customers will be capable to swap batteries rapidly and return GR-2 to work.
GR-2 options an built-in cabling design for energy and communication transmission, permitting hid wires and extra compact packaging. The environment friendly format optimizes area for simpler modularization and larger adaptiveness for application-oriented customization.
To simplify the management system and cut back upkeep, Fourier redesigned GR-2’s joint configuration, shifting from a parallel to a serial construction. It stated this improves debugging, lowers manufacturing prices, and enhances the robotic’s skill to quickly be taught and transition from AI simulation to real-world purposes.
Dexterous arms have 12 levels of freedom
The 12-DoF Dexterous Hand is supplied with six array-type tactile sensors. | Credit score: Fourier
The robotic consists of arms with 12 levels of freedom, doubling the dexterity of earlier fashions. The arms are designed to reflect the flexibleness of human physiology and supply larger precision within the duties that the robotic will probably be requested to finish, stated Fourier.
The fingers on GR-2 even have six array-type tactile sensors that sense pressure and might determine object shapes and supplies. This permits new algorithms to optimize elements dealing with, the firm stated.
Supporting a number of upper-limb instructing modes—digital actuality distant management, lead-through programming, and direct command—GR-2 can file a complete set of operational knowledge, from movement paths to tactile responses. Fourier stated it expects sturdy knowledge assortment to bridge the hole between digital fashions and real-world purposes, pushing the boundaries of robotic coaching and deployment additional.
FSA 2.0 powers dynamic mobility
To optimize its motion, Fourier developed seven distinct Fourier Sensible Actuators (FSA) for GR-2, every tailor-made to satisfy the precise torque calls for of every joint.
With peak torques exceeding 380 N.m (280.3 ft.-lb.), the FSA 2.0 actuators enhance GR-2’s agility and dynamic capabilities. The twin-encoder system doubles management accuracy, guaranteeing exact actions even in high-pressure environments.
Designed for each velocity and precision, FSA 2.0 empowers GR-2 to navigate advanced duties with larger flexibility, stated Fourier.
Fourier optimizes instruments for open-source software program growth
Fourier GRx collection outlines six key areas for humanoid growth—locomotion, manipulation, cognition, bionic design, consumer expertise, and business viability. | Credit score: Fourier
Fourier optimized GR-2’s growth platform by introducing a brand new software program growth equipment (SDK) appropriate with programming languages akin to ROS. Builders can entry a set of pre-optimized modules for machine imaginative and prescient, path planning, and pressure suggestions management by means of software programming interfaces (APIs), stated the firm.
Supporting frameworks akin to NVIDIA Isaac Lab and Mujoco, the brand new platform empowers builders to give attention to innovation, streamlining their workflows, claimed Fourier.
