Robots has widely been used for a wide number of tasks. But a very promising use of robotics lies in goods transport. The problem in using robots transport is that they cannot climb stairs and cannot go through rough terrains. But if a robot can do that then the application of robotics are beyond our imaginations. Most robots use either a wheeled or a tracked mechanism for mobility. While wheeled mechanisms offer impressive speed and a significant advantage in steering, this often proves to be difficult to use in offroad conditions and for climbing over obstacles.
While tracked robots offer a significant advantage in rough terrain, these still get stumped when it comes to climbing stairs.
The Robot offers following Features:
Tracked design helps it negotiate even the roughest of terrains.
Additional Dual retractable tracked arms help it with climbing stairs.
Soft object gripping ensures the cargo isn’t damaged.
Onboard pressure sensor for smart object gripping.
The robotic vehicle makes use of a motorized tracked arrangement coupled with a Gripper arrangement driven by a wireless remote controller. The wireless remote is used to transmit user movement commands to the tracked robot.
The robot receiver circuitry consists of an rf receiver connected with an Atmega328 microcontroller. The movement commands received by the rf receiver ate sent to the microcontroller for processing. The controller processes this data and operates 4 Motors to achieve the desired movement.
The robot uses 4 x DC high torque motors to operate the robotic vehicle. The motors are controlled by microcontroller via motor drivers to achieve the movement of vehicle. The robotic vehicle also an onboard robotic gripper to hold objects to be carried up and down the stairs.
Additionally the robotic vehicle has an onboard object gripper that allows it to hold objects while moving. This gripper arm is driven by 2 x DC motors for soft gripping. The robotic vehicle has a pressure/force sensor mounted on top. This allows the robot to only exert as much pressure needed to grip the object without damaging it.
Compenents
4 x high Torque motors
2 x Gripper Motors
2 x Gripper Arms
Atmega Microcontroller
Pressure Sensor
RF Transmitter
RF Receiver
Robotic Wheels
Rubber Tracks
Mounts and Joints
Resistors
Capacitors
Diodes
Transistors
PCB Board
Robotic Chassis
Supporting Frame
Screws and Bolts
Front View
Side View
3D View
BENEFITS OF STAIR CLIMBING ROBOT:
High stair climbing speed: Capable of achieving speeds of up to 8km/hr and a climbing speed of 4.3 body lengths/second
Lightweight and rugged design for increased portability
Platform can be outfitted with an array of sensor capabilities
More portable than the Packbot®
Capable of sustained motion for extended periods of operation
Robot Applications Include Military and Security Robots
This technology has applications as military robots or security robots in urban environments where stair climbing and agile operation is an essential part of the mission. The robot is not only a stair climbing robot but operates in terrain where wheeled robots would operate.
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