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Yanmar Develops Next-Gen Electric Work Machine Prototype with Enhanced Force Control

Next-Gen work machine prototype with Force Control Technology.

The large Series Elastic Actuator (SEA) developed in cooperation with JAXA.

Joint motors realizing an expanded range of motion.

Yanmar has unveiled a prototype electric work machine with advanced force control at the Construction DX Challenge 2023, organized by the Japanese government.

OSAKA, JAPAN, December 12, 2023 /EINPresswire.com/ -- Yanmar Holdings Co., Ltd. (Yanmar HD) has unveiled a prototype of a cutting-edge electric work machine with advanced force control at the Construction DX Challenge 2023, organized by the Japanese Ministry of Land, Infrastructure, Transport, and Tourism.

Developed in collaboration with JAXA's Space Exploration Innovation Hub Center※1, the large SEA (Series Elastic Actuator), was part of a prototype for the next-generation work machine under the Moonshot Research and Development Program※2. Yanmar HD successfully implemented force control capabilities, a challenge for conventional hydraulic systems. Using the SEA composed of an electric motor, reducer, and spring, the functionality was implemented in an electric mini-excavator.

This technology aims to automate fine manual tasks, addressing labor shortages at construction sites. Moving forward, the company plans to conduct further verification to realize the practical applications of next-generation work machines in construction sites and similar environments.

Aligned with the company’s YANMAR GREEN CHALLENGE 2050, the Yanmar Group continues its commitment to realizing a sustainable society, contributing to customers' decarbonization efforts through ongoing developments in electrification and other forward-looking technologies.

Key Features
Test development of force control function using a large SEA that can be mounted on construction machinery.
Development of a prototype incorporating this technology into a mini-excavator as part of the Moonshot Research and Development Program.
Mechanization of delicate work in civil and construction sites, contributing to the labor-saving of material placement operations.
Implementation of an articulated motor, not a conventional electric cylinder, to expand the range of motion through electrification, enabling high-altitude work like ceiling operations.

Main Specifications (Prototype)
Name: Next-generation work machine prototype with force control function
Base machine: Yanmar ViO25 mini-excavator
Weight: 3t class
Rated load during lifting: 209kg
Operating range (arm): 210 deg.
Emissions: Zero-emission

About Moonshot Research and Development System (Cabinet Office)

https://www8.cao.go.jp/cstp/english/moonshot/top.html
Ref.: Joint Research Results Verification Experiment on Control Technology of Construction Machinery for Moon Base Construction (Japan Aerospace Exploration Agency, Space Exploration Innovation Hub Center, September 21, 2023)
(Japanese)

https://www.ihub-tansa.jaxa.jp/topics/yanmar.html
※1Space Exploration Innovation Hub Center: Research and development of construction machinery with force control functions under the challenge name "Research and Development of Construction Machinery with Force Control Functions."
※2Moonshot Research and Development Program Goal 3 " Collaborative AI robots for adaptation of diverse environments and innovation of infrastructure construction": Research and development of collaborative AI robots capable of flexible response to unforeseen situations and performing tasks in difficult environments, such as disaster sites or the moon.

About Yanmar
With beginnings in Osaka, Japan, in 1912, Yanmar was the first ever to succeed in making a compact diesel engine of a practical size in 1933. A pioneer in diesel engine technology, Yanmar is a global innovator in a wide range of industrial equipment, from small and large engines, agricultural machinery and facilities, construction equipment, energy systems, marine, to machine tools, and components — Yanmar’s global business operations span seven domains. On land, at sea, and in the city, Yanmar provides advanced solutions to the challenges customers face, towards realizing A Sustainable Future. For more details, please visit the official website of Yanmar Holdings Co., Ltd. https://www.yanmar.com/global/about/

Paul Bartels
Yanmar Holdings Co., Ltd.
newsroom@yanmar.com