Programmable Laser Trigger Device for Real-Time Pulse Modulation
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Solution Overview
Problem
Conventional laser controllers lack flexibility and precision in generating laser pulse outputs, particularly in manufacturing processes like laser cutting and welding, where fixed parameters fail to accommodate varying machining requirements and real-time power modulation.
Innovation Solution
A programmable laser trigger device with an external signal module and command executing module, capable of interfacing waveform commands and signals, which includes a waveform command memory, decoder, generator, and buffer memory to produce pulse-width modulation (PWM) pulse trains, allowing for real-time modulation of laser pulses in response to external feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional laser controllers use fixed parameters for laser triggering, then the device complexity is low and ease of operation is high, but the adaptability to different manufacturing processes is poor and machining precision deteriorates
Solution Approach 1:
The patent implements dynamic laser triggering by replacing fixed parameters with programmable pulse trains that can be adjusted in real-time. The controller generates variable pulse widths, frequencies, and patterns based on external feedback signals, enabling the system to adapt to different machining conditions while maintaining a relatively simple hardware architecture through software-based flexibility.
Solution Approach 2:
The patent changes the operational parameters of the laser controller from fixed to variable. By implementing programmable pulse trains with adjustable width, frequency, and pattern, the system can modify its triggering parameters dynamically to suit different manufacturing processes such as cutting, welding, and drilling, thereby improving adaptability without significantly increasing device complexity.
2Manufacturing precision
If conventional laser controllers use fixed pulse width and frequency, then the device complexity is low, but the manufacturing precision and surface finish quality deteriorate
Solution Approach 1:
The patent implements dynamic laser triggering by replacing fixed parameters with programmable pulse trains that can be adjusted in real-time. The controller generates variable pulse widths, frequencies, and patterns based on external feedback signals, enabling the system to adapt to different machining conditions while maintaining a relatively simple hardware architecture through software-based flexibility.
Solution Approach 2:
The patent incorporates external feedback mechanisms that allow the controller to receive signals about machining conditions and adjust the laser pulse parameters accordingly. This feedback loop enables real-time optimization of pulse width and frequency to achieve better machining precision and surface finish quality while maintaining a manageable device complexity through intelligent control algorithms.
3Adaptability or versatility
If conventional laser controllers provide only monotonous pulse signals, then the device complexity is low and ease of operation is high, but the adaptability to different machining requirements deteriorates
Solution Approach 1:
The patent implements a universal laser triggering system that can generate multiple waveform types including pulse trains, continuous waves, and modulated signals. The controller is designed to handle various machining requirements through a single multi-functional platform that can switch between different pulse patterns and frequencies, thereby improving adaptability without proportionally increasing device complexity through modular design.
4Productivity
If conventional laser controllers lack real-time modulation capability, then the device complexity is low, but the productivity and response to external feedback deteriorate
Solution Approach 1:
The patent incorporates external feedback mechanisms that allow the controller to receive signals about machining conditions and adjust the laser pulse parameters accordingly. This feedback loop enables real-time optimization of pulse width and frequency to achieve better machining precision and surface finish quality while maintaining a manageable device complexity through intelligent control algorithms.
Data Source
AI summary
A programmable laser trigger device and the method for controlling the same are disclosed. The programmable laser trigger device comprises: an external signal module and a command executing module. The external signal module is capable of interfacing the inputs and outputs of waveform command and signals. The command executing module further comprises: a waveform command memory, for storing the waveform command; a waveform command decoder; a waveform generator; and a buffer memory, acting as a waveform trigger parameter buffer between the waveform command decoder and the waveform generator; wherein the waveform command decoder accesses the waveform command stored in the memory for pre-decoding an executing code while generating a sequence of waveform trigger parameters to be stored in the buffer memory, which provides the waveform generator with the sequence of waveform trigger parameters to be transformed into a pulse-width modulation (PWM) pulse train. With the aforesaid device and method, not only unequal pulse outputs can be generated with good flexibility for matching the needs of various manufacturing processes, but also through the instructions to an external feedback signal from the waveform command, the laser pulses outputted therefrom can be modulated in real time in response to the external feedback signal.