February 21, 2025

Advanced User Experience in Viscosity Measurement

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Client

Brookfield

Project Scope

Impact ES–Rhode Island partnered with Brookfield to modernize their viscometers by integrating touch screen technology with the established world-standard features of Brookfield’s DV-II Viscometers and DV-III Rheometers. The goal was to replace the push-button and character-based LCD interface with a modern color graphics LCD while ensuring seamless operation and maintaining precise motor and torque analysis.

Challenge

Brookfield, renowned for their excellence in mechanical design, needed a user-friendly interface upgrade that leveraged modern technology while maintaining their industry-leading performance. The key challenges included:

  • Implementing a high-performance color LCD with touch functionality.

  • Meeting stringent electronic and firmware requirements, including AD sample rates in the 10-nanosecond range.

  • Ensuring 100% motor speed accuracy.

  • Designing two models with different screen sizes and features while maintaining a unified software base.

  • Delivering a market-ready product within a one-year deadline for presentation at Pittcon Conference 2013.

Solution

To meet the project timeline, Impact ES–Rhode Island developed the electronics, firmware, and user interface in parallel. The design process involved:

  • Selecting a Freescale IMX processor to handle high-speed data processing and graphical rendering.

  • Leveraging Impact ES–Rhode Island’s proprietary royalty-free finite state machine kernel, refined over 20 years, to manage over 200 software states efficiently. This system provided built-in support for alarms, user interface screens, event logging, and protected memory access.

  • Implementing SimGUI, a proprietary tool that enabled UI development and testing on a PC running Visual Studio. This approach allowed early UI iterations, enabling Brookfield’s marketing team to refine the interface before hardware production.

  • Writing all embedded software in C, ensuring seamless portability to the final hardware.

Outcome

Impact ES–Rhode Island successfully delivered a state-of-the-art viscometer interface, enhancing ease of use and expanding functionality. Key improvements included:

  • Real-time on-screen graphing with options for saving, printing, or PC viewing.

  • Integrated math models for rapid data analysis.

  • Multiple data transfer methods, including flash drives and direct PC connection.

  • On-time product release and highly positive reception at Pittcon Conference 2013.

Key Takeaways

  • Parallel development of hardware, firmware, and UI can accelerate project timelines without compromising quality.

  • A royalty-free custom kernel provides flexibility and efficiency in embedded systems.

  • SimGUI allows early UI validation, reducing costly rework in hardware-dependent stages.

  • Strategic code reuse enables the development of multiple product models while maintaining a unified software foundation.

  • Modernizing user interfaces can enhance product usability and market competitiveness while preserving core functionality.

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