69 questions
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SAC Implementation
I am implementing Soft Actor-Critic (SAC) and I am confused about the policy update step.
What I want is:
When I update the policy (actor), I do not want the parameters of the Q-networks (critics) to ...
1
vote
0
answers
168
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Simulation 6 Dof on Mujoco (Joint always moving without controlling)
I'm new and currently working on my 6 Dof Arm project, right now I am try to simulate it using Mujoco but I don't really understand why and how it works, here is the problem: My 6 Dof Arm is always ...
1
vote
1
answer
73
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Getting stuck on building wheels when installing MJX
I'm trying to install MJX after installing Mujoco on my Mac, but it keeps getting stuck at building wheels for the project, it just gets stuck every time. I've tried on different python versions too ...
3
votes
2
answers
362
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Position of robotic arm base in gymnasium-robotics' fetch environments off center
I am trying to solve the Farama gymnasium-robotic fetch environments, specifically the "FetchReachDense-v3" problem. When running the simulation, the base of the robotic arm seems to be ...
0
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1
answer
520
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MuJoCo mesh incorrectly rendering as a sphere
MuJoCo Mesh Renders Incorrectly as a Sphere
I'm trying to modify an existing Mujoco environment to contain a model of my own robot for future use with gymnasium.
Right now, I'm only trying to render ...
1
vote
1
answer
140
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MuJoCo Simulation disassembles itself - the joints aren't held to the main body
I am currently working on a project that requires me to use premade meshes from SolidWorks to simulate an arm in MuJoCo. Here is my code so far:
<mujoco model="RX-5001-V005-Defeatured">...
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1k
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How can I change camera view of MuJoCo simulation?
I am working on a robot simulation using a MuJoCo (ver.3.1.1) with C++ language.
And I am trying to change the default camera view of simulation, but I have a trouble in this work.
My project composed ...
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1
answer
339
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Cython Compiler Error When Running GymEnv Library in Python
The error happens on the last line of this code section:
import warnings
warnings.filterwarnings("ignore")
from torch import multiprocessing
from collections import defaultdict
import ...
1
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0
answers
524
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MuJoCo 2.0.2.7 Installation Error on python3.7 Virtual Environment - Cython
I am reproducing the code of safety-starter-agents. To fulfill the requirements in the setup.py file, I am running the code in a virtual environment on which python3.7 is running. This python version ...
1
vote
1
answer
268
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Understanding how to make a library recognise that I have the needed dependencies
I have started a project where I need to use an open source software called MuJoCo Mujoco Documentation. It is a physics simulation software that leans towards RL (reinforcement learning). Since the ...
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votes
2
answers
1k
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Mujoco - Change MjModel instance during runtime in Python
I have an XML file for a custom robot I made. I am trying to modify the size of links of the robot during runtime. I want to make randomized variations of certain parts of the robot just before each ...
0
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52
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toroidal-link chain explosion
I'm a student and I'm trying to use MuJoCo for my personal projects. (currently simulating a resisted-motion system that involves roller-chain transmissions).
At the moment I'm looking for some help ...
1
vote
0
answers
284
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Is there an easy way to generate the boiler-plate code of MuJoCo's XML from a .usd (universal scene description) file?
At the end, I need to simulate my roller-chain-with-sprockets mechanism (which is itself a part of a bigger, resisted-motion system). Because of the inherent complexity of the mechanism (the ...
1
vote
0
answers
164
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Mujoco: `gym.error.DependencyNotInstalled: dynamic module does not define module export function (PyInit_cymj)`
I installed mujoco-py by doing pip install mujoco-py==1.50.1.0. It installed successfuly. However, when I try to import it using Python, I get the following error -
import mujoco_py
running build_ext
...
0
votes
1
answer
267
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How to include GTK library for MuJoCo simulation in Visual Studio Code (Windows10)
What I'm trying to do
I'm practicing MuJoCo simulation based on the YouTube lecture by Pranav Bhounsule.
In this lecture, the code for simulation is written in C language, and makefile for running the ...