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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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  • Beijing Institute of Technology
  • Beijing, China
  • 05:13 (UTC +08:00)

Highlights

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Organizations

@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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  • Beijing Institute of Technology
  • Beijing, China
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Highlights

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@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content
View Mr-tooth's full-sized avatar
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🎯
Focusing
  • Beijing Institute of Technology
  • Beijing, China
  • 05:13 (UTC +08:00)

Highlights

  • Pro

Organizations

@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
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  • Beijing Institute of Technology
  • Beijing, China
  • 05:13 (UTC +08:00)

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@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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View Mr-tooth's full-sized avatar
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  • Beijing Institute of Technology
  • Beijing, China
  • 05:13 (UTC +08:00)

Highlights

  • Pro

Organizations

@bitroboticslab

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4

, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content
View Mr-tooth's full-sized avatar
🎯
Focusing
🎯
Focusing
  • Beijing Institute of Technology
  • Beijing, China
  • 05:13 (UTC +08:00)

Highlights

  • Pro

Organizations

@bitroboticslab

Block or report Mr-tooth

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Mr-tooth/README.md

Hey there, I'm Junhang Lai 👋

Ph.D. candidate in robotics · Humanoid locomotion · Reinforcement learning · Sim-to-real

Personal websiteGoogle ScholarORCIDBitRoboticsLabProfile views

About

I am a Ph.D. candidate in Mechanical Engineering at Beijing Institute of Technology and a research intern at the Hong Kong University of Science and Technology (Guangzhou). I work on motion planning and control for humanoid and legged robots.

My research combines model-based optimization with learning-based control to produce reliable robot motion in simulation and on physical systems.

If you are interested in my work or would like to explore a collaboration, please contact me via email.

Research Focus

  • Humanoid and wheel-biped multimodal locomotion planning and control
  • Whole-body control, MPC, NMPC, trajectory optimization, and rigid-body dynamics
  • Reinforcement learning, imitation learning, motion retargeting, and state estimation
  • Robot simulation, system integration, and sim-to-real deployment
  • Embodied intelligence and cerebrum-cerebellum coordinated control

Tech stack

C
C
C++
C++
Python
Python
MATLAB
MATLAB
PyTorch
PyTorch
ROS
ROS
CMake
CMake
Linux
Linux
Docker
Docker
Hugo
Hugo
Git
Git
GitHub
GitHub
Visual Studio Code
VS Code
Bash
Bash
CapCut
CapCut

Reinforcement LearningWhole-Body ControlMPC and NMPCTrajectory OptimizationOptimal ControlSim-to-RealImitation Learning

Core tools include C++, Python, MATLAB, PyTorch, ONNX Runtime, Pinocchio, CasADi, Crocoddyl, OCS2, Isaac Gym/Sim, MuJoCo, ROS, EtherCAT, and RTOS-based robot software.

Open Source

I maintain robotics software and reusable engineering tools through BitRoboticsLab. The projects focus on robot motion, simulation, control, and deployment workflows. Selected research, industry, and open-source work is documented on my personal website.

GitHub Activity

Junhang Lai's GitHub statisticsLanguages in Junhang Lai's public repositories

Junhang Lai's GitHub contribution streak

Repository cards combine projects where Mr-tooth is an owner, organization member (including BitRoboticsLab), or collaborator. The streak card uses GitHub's contribution calendar. Language share reflects repository code, not overall technical proficiency.

Pinned Loading

  1. bitroboticslab/AStarFootstepPlannerbitroboticslab/AStarFootstepPlannerPublic

    A* footstep planner for humanoid robots in C++ — finds optimal footstep sequences on complex terrain with kinematic constraints

    C++ 7

  2. bitroboticslab/Heuclidbitroboticslab/HeuclidPublic

    Lightweight C++ geometry and vector math library for robotics — 2D/3D primitives, convex polygons, and spatial queries

    C++ 3 1

  3. bitroboticslab/OpenClaw-Guide-for-Beginnersbitroboticslab/OpenClaw-Guide-for-BeginnersPublic

    🚀 OpenClaw 新手完全指南 - 手把手教你部署属于自己的24小时在线AI助手 | 全平台部署教程 + API配置 + 平台对接 | Complete guide for deploying OpenClaw AI assistant

    Shell 10 2

  4. bitroboticslab/Coppeliasim-Tutorials-for-Beginnersbitroboticslab/Coppeliasim-Tutorials-for-BeginnersPublic

    Bilingual (EN/CN) educational tutorials for CoppeliaSim robotics simulation - including presentations, code examples, and simulation models

    MATLAB 2 1

  5. bitroboticslab/robot-motion-playerbitroboticslab/robot-motion-playerPublic

    Visualizer & editor for AMP motion datasets, built for legged robot locomotion and trajectory optimization research

    Python 4