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| 1 | +# Copyright (c) 2026-2027, The Isaac Lab Project Developers (https://github.com/isaac-sim/IsaacLab/blob/main/CONTRIBUTORS.md). |
| 2 | +# All rights reserved. |
| 3 | +# |
| 4 | +# SPDX-License-Identifier: BSD-3-Clause |
| 5 | + |
| 6 | + |
| 7 | +"""Configuration for the Flexiv Rizon robots. |
| 8 | +
|
| 9 | +The following configurations are available: |
| 10 | +
|
| 11 | +* :obj:`FLEXIV_RIZON4S_CFG`: The Flexiv Rizon 4s arm without a gripper. |
| 12 | +
|
| 13 | +Reference: https://www.flexiv.com/product/rizon |
| 14 | +""" |
| 15 | + |
| 16 | +import isaaclab.sim as sim_utils |
| 17 | +from isaaclab.actuators import ImplicitActuatorCfg |
| 18 | +from isaaclab.assets.articulation import ArticulationCfg |
| 19 | +from isaaclab.utils.assets import ISAACLAB_NUCLEUS_DIR |
| 20 | + |
| 21 | +## |
| 22 | +# Configuration |
| 23 | +## |
| 24 | + |
| 25 | +FLEXIV_RIZON4S_CFG = ArticulationCfg( |
| 26 | + spawn=sim_utils.UsdFileCfg( |
| 27 | + usd_path=f"{ISAACLAB_NUCLEUS_DIR}/Robots/Flexiv/Rizon4s/rizon4s.usd", |
| 28 | + rigid_props=sim_utils.RigidBodyPropertiesCfg( |
| 29 | + disable_gravity=True, |
| 30 | + max_depenetration_velocity=5.0, |
| 31 | + ), |
| 32 | + articulation_props=sim_utils.ArticulationRootPropertiesCfg( |
| 33 | + enabled_self_collisions=False, |
| 34 | + solver_position_iteration_count=16, |
| 35 | + solver_velocity_iteration_count=1, |
| 36 | + ), |
| 37 | + activate_contact_sensors=False, |
| 38 | + ), |
| 39 | + init_state=ArticulationCfg.InitialStateCfg( |
| 40 | + joint_pos={ |
| 41 | + "joint1": 0.0, |
| 42 | + "joint2": -0.698, |
| 43 | + "joint3": 0.0, |
| 44 | + "joint4": 1.571, |
| 45 | + "joint5": 0.0, |
| 46 | + "joint6": 0.698, |
| 47 | + "joint7": 0.0, |
| 48 | + }, |
| 49 | + pos=(0.0, 0.0, 0.0), |
| 50 | + rot=(0.0, 0.0, 0.0, 1.0), |
| 51 | + ), |
| 52 | + actuators={ |
| 53 | + "shoulder": ImplicitActuatorCfg( |
| 54 | + joint_names_expr=["joint[1-2]"], |
| 55 | + effort_limit_sim=123.0, |
| 56 | + velocity_limit_sim=2.094, |
| 57 | + stiffness=6000.0, |
| 58 | + damping=108.5, |
| 59 | + friction=0.0, |
| 60 | + armature=0.0, |
| 61 | + ), |
| 62 | + "elbow": ImplicitActuatorCfg( |
| 63 | + joint_names_expr=["joint[3-4]"], |
| 64 | + effort_limit_sim=64.0, |
| 65 | + velocity_limit_sim=2.443, |
| 66 | + stiffness=4200.0, |
| 67 | + damping=90.7, |
| 68 | + friction=0.0, |
| 69 | + armature=0.0, |
| 70 | + ), |
| 71 | + "wrist": ImplicitActuatorCfg( |
| 72 | + joint_names_expr=["joint[5-7]"], |
| 73 | + effort_limit_sim=39.0, |
| 74 | + velocity_limit_sim=4.887, |
| 75 | + stiffness=1500.0, |
| 76 | + damping=54.2, |
| 77 | + friction=0.0, |
| 78 | + armature=0.0, |
| 79 | + ), |
| 80 | + }, |
| 81 | +) |
| 82 | + |
| 83 | +"""Configuration of Flexiv Rizon 4s arm using implicit actuator models.""" |
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