Feel the power of 4wd eXplorer!

holonomic-background-robot-mecanum-wheels

For rough applications!

4WD eXplorer
Holonomic Robot with Mecanum Wheels

4WD eXplorer is the first holonomic robot with four driving mecanum wheels for heavy duty industrial applications! It has a very high payload up to 500Kg! Usually, eXplorer is configured with 360° Laser Sensor, RGB-D camera, IMU, motor encoders, current sensors and radio beacons to provide high positioning accuracy in indoor applications. Thanks to its hard rubber rollers, it can be used both for indoor and outdoor applications, for example, to move on asphalt in public roads and its payload allows the users to add additional devices, tools and laptops. Moreover, it provides several power output in order to connect multiple devices.

A HOLONOMIC VEHICLE

4WD eXplorer is a powerful holonomic vehicle designed to provide the maximum accuracy in all locomotion maneuvers. The mecanum wheels minimize slipping on soft surfaces.

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The rollers are made of hard rubber and are placed at 45 degrees on a galvanized iron reinforced frame.

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IT IS ROS READY!

4WD eXplorer comes with a well-documented ROS node which allows the user to remotely control the robot and to easily integrate sensors, devices and actuators. It also includes C/C++ library for cross-platform development and for third-party integration. The user can move the robot by using the standard geometry_msgs ROS messages.

MECANUM WHEELS

Each mecanum wheel can support up to 250Kg of vertical load and provide the maximum grip on every flat surface by minimizing the slipping effects. Moreover, they can be used both for indoor, for example, to move heavy loads on warehouse concrete flooring, and for outdoor, for example, on asphalt.

DRIVE OVER THE NIGHT

4WD eXplorer is not afraid of the night! Thanks to a powerful 20W headlight with 1580lm mounted on its front and rear bumpers, you can face the night without problems! You can use this vehicle for surveillance or for inspections in no light conditions and in rought environments since boht lights are IP67 and come with LED technology.

FEEL THE POWER!

The vehicle is designed by using high quality components both for mechanical and electronics parts. The power supply comes from a 24VDC AGM fully isolated battery while the motors are able to provide a very high torque up to 60Nm. The onboard electronics board is able to accurately control the motors and all the sensors.

RC PulseIn, Analog and Digital I/O, RS232, Encoders

4WD eXplorer comes with a very powerful controller able to provide multiple interfaces for several applications and needs. In particular, it includes a radio board with a remote control link up to 150 meters with a frequency of 433 Mhz or 2.4Ghz, different analog and digital I/Os, serial interfaces and a large set of sensors for odometry and environmental data like the RTK GPS and the 360° laser scanner.

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Vehicle Dimensions
[mm]

Mechanical Specifications	Value
Overall Dimensions	1038x1110x460 mm
Weight	250 Kg
Torque	60 Nm
Max Payload	500 Kg
Max Speed	1 m/s
Driving System	Holonomic
Locomotion System	Mecanum Wheels

Control Specifications	Value
Sensors	GPS, IMU, Encoders
Battery pack	AGM Fully Isolated 24VDC 200Ah
Drive Module	4WD 24V DC Motors with Encoders
Motor controller	Dual Channel Motor Controller
I/Os	6x Digital/PWM/Analog Input, RS232
Run Time	6 hours for normal use
Software	ROS Node, C/C++ Libraries

Sensors and Add-ons

Laser Sensor

The standard sensor is the RPLidar 360° which provides a very accurate dataset both for indoor and outdoor applications; this kind of sensor is useful for obstacles detection.

Inertial Sensor

A 9Dof inertial sensor like the XSens Mti-300 is very useful when you have to develop an autonomous application and you need to retrieve the vehicle position in the 3D space.

Lights

A pair of LED lights are always needed when you need to make hte vehicle move and operate over the night or in very dark environments. They are IP67 with a low power consumption.

RTK GPS

The RTK GPS is a very important sensor to have when you are developing an autonomous application for outdoor environments. The U-blox solutions provides a very high accuracy.

Don’t be shy!

Do you need more information about 4WD eXplorer robot?

Do you have a project and you want to develop it?
Do you need a specific mobile robotics base with tracks or wheels?
Are you looking for a particular electronics board to control motors or solenoids, for wireless communication or to develop a sensors network?

Let’s us know about your project and we will try to help you!