Wireless Control Unit for Water Jet Cutting Safety
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Solution Overview
Problem
Water jet cutting machines are hazardous and require users to remain in a fixed position, limiting mobility and safety, as current control systems do not account for user presence or incapacitation, leading to potential accidents.
Innovation Solution
A wireless control system that connects a computing device to a control unit, allowing remote operation of water jet cutting machines via a wireless communication link, with a 'dead man's switch' feature to ensure user control and safety by requiring continuous input to maintain operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed control station is used to operate the water jet cutting machine, then the user can maintain control of the machine, but the user's mobility is limited and safety is compromised
Solution Approach 1:
The patent replaces the fixed mechanical control station with a wireless electronic control system. The control unit transmits signals wirelessly to the operating device, eliminating the need for physical connection tubes and fixed positioning. This allows the user to operate the machine from mobile positions while maintaining reliable control through electronic communication.
Solution Approach 2:
The patent introduces a wireless control unit as an intermediary between the user and the operating device. This control unit receives input from the user and transmits control signals to the operating device, enabling the user to maintain control without being physically tethered to a fixed station.
2Ease of operation
If the control station is made movable to improve user mobility, then the user can move freely, but the control signal transmission may be interrupted
Solution Approach 1:
The patent replaces the mechanical connection (physical tubes and wired connections) with wireless electronic communication. This substitution eliminates the problem of signal interruption caused by movement, as wireless signals can transmit through air and accommodate user mobility without physical constraints.
3Productivity
If traditional control systems are used without user presence detection, then the machine operates continuously, but safety is compromised if the user becomes incapacitated or leaves
Solution Approach 1:
The patent incorporates feedback mechanisms that continuously monitor user presence and control status. The control unit receives feedback signals from the operating device and user input, enabling it to detect when the user becomes incapacitated or leaves. Based on this feedback, the system can automatically shut down operations to maintain safety while normally allowing continuous operation for productivity.
Data Source
AI summary
The present invention provides a system and method for wirelessly controlling an operating device by way of a wireless connection between the operating device and a computing device. The computing device provides an interface for controlling the operating device via a control unit which is removably connected to the operating device. The control unit and the computing device communicate wirelessly allowing a user to move about freely while still controlling operating device. Control unit may include at least one valve for use in controlling the operating device.