Optical cell array package for detecting haze and pearlescence in plastics
Optical cell array designed to detect haze and pearlescence in clear plastics using embedded processing. The system uses highly sensitive optical cells and real-time analysis to support improved quality control in plastic manufacturing. Laboratory validation has been completed, with further development planned to refine sensor and measurement head designs and to explore additional sensing options such as infrared-based temperature mapping.
Overview
An optical cell array package for detecting haze and pearlescence in clear plastics. The approach uses highly sensitive photocell/optical sensing units arranged as an array and coupled with an embedded processing unit for real-time analysis. Originally developed to measure minute displacements, the technology has been adapted for optical detection to support improved quality control in plastic manufacturing.
Technical specifications
Key features:
- High sensitivity optical cells measuring down to 1/100th of a micron
- Embedded processing unit for real-time analysis
- Initial validation with a limited number of cells for force and torque measurement at 1KHz
Development tasks:
- Integration of a proof-of-concept system with various optical components
- Testing with representative plastic samples to refine measurement head design
- Potential integration of infrared cells for temperature mapping
Technology readiness level
This technology is currently at TRL 5, having been validated in laboratory settings. Future work includes prototyping advanced sensors and testing in high-speed production environments.
About MAE Robotics Inc, and Advanced Biomechatronics Lab, Carleton University
MAE Robotics Inc. is an Ottawa-based technology company that specializes in the development of robotic systems, custom automation solutions, and proprietary force and torque sensors. Founded by Prof. Dr. Mojtaba Ahmadi, the company leverages extensive expertise in mechatronics, autonomous systems, and advanced real-time control to serve sectors such as industrial manufacturing, aerospace, and medical assistive robotics. A core product offering includes SensuReal, a high-end 6-axis optical force-torque sensor designed for high sensitivity and robustness. The company operates at the intersection of academic innovation and industrial application, often collaborating with institutional research entities.
The company's work addresses complex engineering challenges, such as aerodynamic load testing and high-precision measurement, providing critical components for applications like rehabilitation robotics and automated vehicle control. Through initiatives supported by programs like the National Research Council Canada’s Industrial Research Assistance Program, MAE Robotics focuses on optimizing sensor technology and scaling its commercialization efforts. By integrating rigorous scientific research with practical engineering design, the firm provides specialized instrumentation and robotic solutions that enhance performance, safety, and control capabilities for its clients and research partners.
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