LSF740 Modular Wheeled Quadruped Robot Development Platform

The LSF740 is a modular wheeled quadruped robot development platform for reinforcement learning, dynamic balance, hybrid wheeled-legged locomotion, autonomous robotics, and motion-control research. Its modular architecture allows two LSF530 wheeled biped robots to be combined with a dedicated connection module, creating a four-wheel-legged robot platform without rebuilding the complete control system from scratch.

• Built from two LSF530 wheeled biped robots plus a dedicated connection module
• Supports wheeled motion, biped motion, and four-leg stepping configurations
• Reinforcement-learning development workflow with NVIDIA Isaac Gym simulation support
• Whole-body kinematics and adaptive self-balancing control for coordinated wheel-leg motion
• Supports terrain adaptation, slope traversal, obstacle crossing, posture control, and dynamic balance experiments
• Dedicated MCU control architecture with CAN / RS485 communication and IO expansion
• Integrated IMU and 2208 brushless gimbal motors for motion-control development
• Open secondary-development platform for custom control, navigation, sensor integration, and AI robotics research

Product Overview

The LSF740 is designed as a reconfigurable research platform rather than a fixed quadruped robot. Two LSF530 wheeled biped robots can be connected through the dedicated center module to form the LSF740 four-wheel-legged configuration. This modular approach allows users to study multiple robot morphologies using a related hardware and control architecture.

The robot combines wheel-based mobility with articulated leg motion. Wheels provide efficient movement on flat terrain, while the leg joints provide posture adjustment, body-height variation, dynamic stabilization, and terrain adaptation. This makes the platform suitable for experiments involving balance control, hybrid locomotion, terrain transition, and coordinated multi-joint motion.

The control architecture includes a dedicated MCU, brushless motor drive electronics, servo and IMU control, CAN / RS485 communication, and IO expansion. Development resources also include an NVIDIA Isaac Gym reinforcement-learning simulation project for training and evaluating wheeled-legged motion policies before real-robot deployment.

Modular LSF530 → LSF740 Transformation

Two LSF530 Platforms + One Connection Module

The LSF740 can be assembled by combining two LSF530 wheeled biped robot platforms with the dedicated center connection module. This converts two independent wheeled bipeds into a four-wheel-legged robot configuration.

Reconfigurable Research Architecture

Because the LSF740 is based on the LSF530 modular platform, researchers can investigate different locomotion structures without developing an entirely separate robot from the ground up. The same project can therefore explore wheeled-biped control and modular quadruped control using closely related hardware.

Reinforcement Learning & Isaac Gym

Wheel-Leg Reinforcement Learning

Development resources include an NVIDIA Isaac Gym simulation project for wheeled-legged robot research. Users can observe, train, and adjust coordinated locomotion strategies in simulation before deploying them to the physical robot.

Dynamic Balance and Disturbance Training

Simulation-based training can be used to study body stabilization, cooperative wheel-leg control, terrain adaptation, and disturbance resistance. This makes the LSF740 suitable for reinforcement-learning experiments involving dynamic balance and hybrid locomotion.

Simulation-to-Robot Development Workflow

The intended workflow connects simulation environment setup, motion-policy training, controller tuning, and real-robot validation, allowing researchers to iterate algorithms in simulation before physical testing.

Multi-Mode Wheeled-Legged Locomotion

Wheeled Motion

Wheel-based motion provides efficient travel on flat surfaces and is useful for high-speed mobility and long-distance movement compared with purely legged locomotion.

Wheeled Biped Motion

The underlying LSF530 architecture supports wheeled biped motion with active leg-joint stabilization and wheel-torque control for balance and posture experiments.

Four-Leg Stepping and Terrain Adaptation

In the LSF740 configuration, the combined platform supports coordinated four-leg motion, body-height adjustment, posture control, in-place turning, high-leg stepping, and terrain-adaptation experiments on slopes, uneven ground, and obstacle-crossing scenarios.

Control & Hardware Architecture

Mechanical Specifications

Open Development & Expansion

The LSF740 is intended for secondary development. Users can modify supported motion algorithms, control parameters, reinforcement-learning policies, and communication logic, and can integrate additional sensors or higher-level computing platforms according to project requirements.

This allows the platform to be used for projects such as autonomous navigation, multi-modal locomotion, reinforcement learning, terrain-adaptive control, motion-planning research, and AI robotics experiments.

Battery Notice

Due to international shipping regulations, the LSF740 is shipped without batteries. Customers must prepare a compatible 12.6 V battery locally before operation.

Applications

Wheeled-Legged Robot Research

Study coordinated wheel-leg motion, dynamic stabilization, body-height control, posture transitions, and hybrid locomotion strategies.

Reinforcement Learning & Sim-to-Real Experiments

Use the Isaac Gym simulation project to investigate learning-based control, policy robustness, disturbance resistance, and transfer from simulation to the physical robot.

University Robotics Education

The modular relationship between LSF530 and LSF740 makes the platform particularly useful for teaching robot morphology, reconfiguration, control architecture, balance, and locomotion.

Autonomous & AI Robotics Development

The open control architecture can be extended with sensors and higher-level compute for autonomous navigation, perception, AI control, and advanced robotics prototyping.

Need Help Selecting?

If you want to start with the smaller two-wheel configuration, see the LSF530 wheeled biped robot research platform. Two LSF530 platforms can be combined with the dedicated connection module to form the LSF740. For a larger wheeled-biped platform, compare the LSF760.