Control device, control system, and work machine

The control device for working machines enables continuous operation by integrating external communication and disabling unauthorized power source shutdowns, addressing issues of remote operation interruptions.

WO2026126800A1 Publication Date: 2026-06-18KOBELCO CONSTR MASCH CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
KOBELCO CONSTR MASCH CO LTD
Filing Date
2025-11-27
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing remotely operable working machines face issues with unintended engine stoppages due to unauthorized signals from electronic keys, disrupting work continuity.

⚗Method used

A control device that communicates with external operation devices and portable terminals, allowing operation and power source control from outside the machine, and disables unexpected stop signals during remote operation to maintain work continuity.

🎯Benefits of technology

Ensures uninterrupted operation of working machines by preventing unintended engine shutdowns during remote control, even when operated by external operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

A control device (4) controls a work machine (1) having: a work unit (33) that performs prescribed work; an engine (30); and an actual machine operation unit (17) that can be operated by an operator. The control device (4): is capable of communicating with a remote operation apparatus (8) provided outside the work machine (1), and with a portable terminal (90) which is separate from the remote operation apparatus (8); is capable of acquiring operation signals for operating the work unit (33) from the actual machine operation unit (17) and the remote operation apparatus (8) and also acquiring, from the portable terminal (90), a stop instruction signal for stopping the engine (30); and invalidates the stoppage of the engine (30) based on the stop instruction signal acquired from the portable terminal (90) in an external operation state where the work unit (33) is being controlled on the basis of the operation signal acquired from the remote operation apparatus (8).
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