Remote Work Machine Control With End-Position Impact Alerts
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Solution Overview
Problem
Operators in a remote location have difficulty recognizing impacts on working equipment, leading to the potential for excessive stress on the equipment and accelerated deterioration.
Innovation Solution
A work machine remote control system with a sensor data reception unit, alarm control unit, and alarm device to detect and alert operators of impending impacts on working equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If remote control is implemented without impact detection, then operator safety and equipment protection are compromised, but adding sensor systems increases device complexity
Solution Approach 1:
The alarm control unit determines in advance whether working equipment is approaching or has reached an end position in its movable range based on detection data from attitude sensors. This preliminary determination allows the system to issue warnings before impact occurs, enabling preventive action rather than reactive response.
Solution Approach 2:
The system continuously receives detection data from attitude sensors monitoring the working equipment's position and sends alarm control signals back to the alarm device when end positions are approached or reached. This closed-loop feedback mechanism enables real-time monitoring and immediate operator notification about potential impact conditions.
2Duration of action of stationary object
If alarm systems are added to notify operators of end positions, then equipment deterioration is prevented, but the ease of operation is reduced due to additional alerts
Solution Approach 1:
The alarm control unit determines in advance whether working equipment is approaching or has reached an end position in its movable range based on detection data from attitude sensors. This preliminary determination allows the system to issue warnings before impact occurs, enabling preventive action rather than reactive response.
Solution Approach 2:
The system continuously receives detection data from attitude sensors monitoring the working equipment's position and sends alarm control signals back to the alarm device when end positions are approached or reached. This closed-loop feedback mechanism enables real-time monitoring and immediate operator notification about potential impact conditions.
Data Source
AI summary
A work machine remote control system includes a sensor data reception unit that receives detection data of an attitude of working equipment included in a work machine operated by an operation signal from a remote place, an alarm control unit that outputs an alarm control signal when it is determined, based on the detection data, that the working equipment is approaching or has reached an end position in a movable range, and an alarm device that is provided in the remote place and outputs an alarm based on the alarm control signal from the alarm control unit.