IDOV, which stands for Identify, Design, Optimize, and Verify, is a methodology commonly used for Design for Six Sigma (DFSS). DFSS is a variation on the traditional Six Sigma tools with a focus on the development of a new process, product, or service rather than an improvement upon a previous version.
The logic behind DFSS is that costs will be significantly lowered if Six Sigma is built into the initial design methods of a particular product or process. This means that DFSS results in a much longer planning period before products and services are actually offered. IDOV assists those in this process by offering a methodology that can reduce development time as much as possible.
The Voice of the Customer is used during the Identify phase. It’s important for team members to think in terms of the customer’s needs and act accordingly. Targets are set, and CTOs are developed for the design of the eventual product or service. The actual project launch is planned during this initial phase of IDOV. Tools needed for completion are the project charter, risk management and multi-generation plans, market research, benchmarking, and Voice of the Customer tools (such as surveys, interviews, and record of complaints).
Design is key in the second phase of IDOV. During this phase, concepts are posed and evaluated for viability. A high-level design of the new product or service is created and tested. Many tools are used, with a FMEA being among the most crucial. QFD, TRIZ, AHP, as well as additional benchmarking and research is performed. A gap analysis should be done here before the project proceeds further.
During the Optimize phase, the parameters of the design are developed and optimized. A prototype is created based on these specifications. Several of the tools first developed during the Design phase will be called upon during optimization. The FMEA should continue to be referenced as well as the gap analysis. A hypothesis test should be done and a design structure matrix is used.
The final phase of IDOV is the Verify phase and the design is tested and perfected during this time. A final prototype should be developed and readied for production. Tools utilized during this final stage in the process include the FMEA and process mapping. Performance flow-up and capability analysis should be done, as well as piloting and dashboard. Several of the Six Sigma-based tools used in this final phase are intended to ensure problem-free delivery.
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