Quadruped Mini

Name: Quadruped Mini
Brand: Ghost Robotics

Compact tactical quadruped for defense operations

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The Quadruped Mini is Ghost Robotics' smallest unmanned ground vehicle designed for tactical military and security applications. This agile four-legged robot features direct-drive electric motors for silent operation, modular payload integration, and advanced mobility for navigating complex terrain. Targeted at defense, security, and law enforcement sectors requiring lightweight reconnaissance and surveillance capabilities.

Released: 2023

Overview

Ghost Robotics' Quadruped Mini represents a significant advancement in tactical unmanned ground vehicles, delivering military-grade mobility in a compact, lightweight package. Weighing just 14 kg, the Mini is the company's smallest legged robot platform, designed specifically for rapid deployment scenarios where portability is critical. Its direct-drive electric actuators enable near-silent operation, making it ideal for covert reconnaissance missions.

The platform builds on Ghost Robotics' proven quadruped architecture, featuring 12 degrees of freedom that enable dynamic locomotion across challenging terrain including stairs, rubble, and uneven surfaces. The robot's modular design allows for quick integration of mission-specific payloads, from electro-optical/infrared sensors to communications equipment. Its robust construction with IP54 rating ensures reliable operation in adverse environmental conditions.

Designed with operator simplicity in mind, the Quadruped Mini can be controlled remotely or operate autonomously using onboard navigation systems. The platform has been adopted by various military and security organizations worldwide for applications ranging from perimeter security to tactical reconnaissance in urban and complex environments.

Key Features

Lightweight Design: At 14 kg, highly portable for single-operator deployment in tactical scenarios
Direct-Drive Actuation: Proprietary electric motors enable silent operation and precise movement control
Modular Payload System: 6.8 kg payload capacity with quick-swap mounting for sensors and equipment
All-Terrain Mobility: 12-DOF legged locomotion navigates stairs, obstacles, and complex terrain
Extended Runtime: Up to 2 hours of continuous operation on standard battery configuration
Environmental Resistance: IP54-rated protection against dust and water for field operations
360° Situational Awareness: Integrated camera system provides comprehensive environmental monitoring

Applications

The Quadruped Mini serves multiple critical roles in military and security operations. Primary applications include forward reconnaissance, perimeter surveillance, and urban tactical assessments where traditional wheeled or tracked vehicles cannot operate effectively. Military units deploy the Mini for contested area exploration, explosive ordnance disposal support, and communications relay in GPS-denied environments. Law enforcement agencies utilize the platform for hostage situation assessment, hazardous material investigation, and active threat response scenarios.

Beyond defense applications, the Quadruped Mini has found use in critical infrastructure inspection, particularly in industrial facilities where human access is dangerous or restricted. The robot's compact size and agility make it suitable for tunnel inspection, confined space exploration, and emergency response scenarios including search and rescue operations in collapsed structures.

Technical Highlights

Ghost Robotics' proprietary direct-drive actuator technology distinguishes the Quadruped Mini from competing platforms. By eliminating traditional gearboxes, the system achieves higher reliability, reduced maintenance requirements, and critically quiet operation essential for tactical applications. The actuators provide high torque density while maintaining precise force control, enabling the robot to adapt dynamically to terrain variations and recover from perturbations.

The platform's control architecture leverages advanced algorithms for stable locomotion across diverse terrain types. Real-time sensor fusion from IMU and vision systems enables autonomous navigation and obstacle avoidance. The modular software architecture supports rapid integration of third-party payloads and custom mission applications, while maintaining cybersecurity standards required for military deployment. The Mini's power management system optimizes battery usage across varying operational tempos, extending mission duration in low-intensity surveillance modes.