Expliner

An industrial robot with an articulated arm uses specialized wheels to move along a high-voltage power line.
Expliner gets ready to climb on a live power line. Photo: HiBot

Expliner is a robot for inspection of high-voltage power lines. It has special wheels to roll along the lines, and a robotic arm acts as a counterweight for balance. It can inspect live wires up to 500 kilovolts.

Creator

HiBot

Year
2010
Country
Japan 🇯🇵
Categories
Features
How Expliner works. Video: HiBot

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Appearance

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Did you know?

Most transmission-line inspections are performed by humans, which means that the power lines have to be turned off. For Expliner, walking on a live wire is not a problem.

Photo of an electricity pylon and many high-voltage lines. The robot is seen from a distance on the cables.
Expliner rolls along a pair of cables during a trial in Japan. Photo: HiBot
An industrial robot with an articulated arm laden with equipment on a high-voltage power line.
Sensors and a high-definition camera help inspect the cables. Photo: HiBot

Specs

Overview

Capable of overcoming cable spacers, suspension clamps, and other obstacles. Able to acquire 360° images of cables and detect defects.

Status

Discontinued

Year

2010

Website
Width
130 cm
Height
150 cm
Length
150 cm
Weight
95 kg
Speed
1.68 km/h
Sensors

Arrays of CCD cameras with mirrors, HD camera, infrared camera, proximity sensors, gyro and accelerometer, lasers.

Actuators

Six 200-W brushless DC motors and six 40-W DC motors.

Degrees of Freedom (DoF)
12
Materials

Aluminum and carbon fiber.

Compute

10 SH-2 32-bit RISC microcontrollers, one ARM M4 board, and a 8-channel video acquisition board with solid-state drive.

Software

Embedded system

Power

12-V 40-Ah lead-acid batteries, 8 hours of operation