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Technology Factsheet

Grass Printer

Category: Robotics > Dismantling and Retrieval > Wheeled/Tracked System
Reference # : Model No :

An autonomous lawnmower, called Grass Printer, has been designed to cut shapes and even words into grass.

The design uses an autonomous lawnmower with four sensors on its four corners that allow it to selectively trim an area. Using small sized blades for accuracy the Grass Printer's tiny shaft-driving motors move the cutters horizontally and vertically for precision cutting.

Grass Printer provides a way for people to decorate their lawn with creative cutting. Graphics can be cut into the grass based on an image that is sketched onto the mower’s touchscreen. The mower works within an area framed by sensor markers. Its blades are smaller than those on standard mowers, which allows for more rapid and accurate cutting. After the control system performs a series of calculations based on the sketch, small motors move the cutter shaft horizontally and vertically in accordance with the mower’s position within the sensor-defined area. Mowed grass is discharged at the rear.

Site: *
Industry:Research
Size:Large (20-100kg/40lb-200lb, 60cm-120cm/24in-48in)
TRL:Research (1-3)
TRL2: *
Tether: *
Waterproof: *
Payload: *
Reach: *
Manipulator: *

Benefits

Limitations

Comments

The Grass Printer features a touchscreen display that allows the user to draw whatever pattern or wording they wish to be cut into the grass. Drawing by hand and typing options are separate, allowing for a selection of fonts and letter sizes. Like many other automatic mowers a virtual fence can also be set up to keep it within those parameters – ideal for protecting flowerbeds.

Red Dot Winner 2013 http://www.red-dot.sg/en/online-exhibition/concept/?code=984&y=2013&c=12&a=0

Operational Experience:

Robotics Database listed the developers as: Professor Doh Han Young, Jeong Koo Hee & Kim Min Hong

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