Asynchronous multi-body framework

Article summary

Asynchronous multi-body framework (AMBF) is an open-source 3D versatile simulator for robots developed in April 2019. This multi-body framework provides a real-time dynamic simulation of multi-bodies such as robots, free bodies, and multi-link puzzles, paired with real-time haptic interaction with various input devices. The framework integrates a real surgeon master console, haptic or not, to control simulated robots in real-time. This feature results in the simulator being used in real-time training applications for surgical and non-surgical tasks. It offers the possibility to interact with soft bodies to simulate surgical tasks where tissues are subject to deformations. It also provides a Python Client to interact easily with the simulated bodies and train neural networks on real-time data with in-loop simulation. It includes a wide range of robots, grippers, sensors, puzzles, and soft bodies. Each simulated object is represented as an afObject; likewise, the simulation world is represented as an afWorld. Both utilize two communication interfaces: state and command. Through the State command, the object can send data outside the simulation environment, while the Command allows to apply commands to the underlying afObject.…

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