Product Development Engineers Ltd

quality engineering

  • Our first tool release – Mixtures DoE tool!

    Our first tool release – Mixtures DoE tool!

    Today, we are excited to announce the release of our first subscriber tool, enabling you to carry out Mixtures DoE-type work at a tiny fraction of the cost of more established tools. We shall follow this up with a whole suite of DoE-type analysis tools over the coming weeks and months. You can get access…

  • Design of Experiments explained

    Design of Experiments explained

    Design of Experiments (DoE) is a powerful method for improving products and processes through structured testing. This post explains what DoE is, who uses it, and how to apply full factorial, Taguchi, RSM, and mixture designs — including tools, examples, and visual insights.

  • Famous Taguchi Experiment 1

    Famous Taguchi Experiment 1

    Explore how to use the Taguchi method through a real-world case study from RCA’s 1960s TV tuner project. Learn about control factors, orthogonal arrays, and signal-to-noise ratios in robust product design. A practical guide for engineers and developers focused on quality improvement and variation reduction.