The TRL Framework
The primary tool for this assessment is the Technology Readiness Level (TRL) scale. Developed by NASA in the 1970s, this nine-point scale allows engineers and managers to maintain a consistent datum of reference regardless of their specific technical background.
A Technology Readiness Assessment (TRA) examines a programme's concepts and requirements against demonstrated capabilities to assign a TRL rating. While the scale is universal, its application varies by sector. In hardware development, the focus is on prototypes and environment fidelity; in pharmaceuticals, as EURAXESS explains, the levels map to preclinical studies and clinical trial phases.
| TRL | Stage | Core Requirement |
|---|---|---|
| 1–3 | Knowledge Development | Basic principles observed; analytical and experimental proof of concept. |
| 4–6 | Technology Development | Validation in laboratory and simulated relevant environments. |
| 7–9 | Business Development | Demonstration in operational environments; full system qualification. |
Bridging the Valley of Death
A critical failure point exists between TRL 5 and TRL 7, known as the "Valley of Death". Many promising technologies stall here because the requirements shift from academic research to industrial validation.
As TWI notes, universities and government funders typically focus on TRLs 1–4, while the private sector prioritises TRLs 7–9. To cross this gap, organisations must move beyond lab-based evidence and produce high-fidelity prototypes that function in environments mimicking real-world stressors.
Practical Application and Validation
Moving a technology from one level to the next requires specific, documented evidence. We do not accept "almost ready" as a status; we look for the transition from theoretical models to empirical data.
To advance from TRL 3 (Proof of Concept) to TRL 4 (Lab Validation), the focus must shift to basic functionality. This often involves the creation of a "pre-prototype" or "ugly prototype" where ad hoc hardware is integrated to prove that components can work together.
For those managing software or automated systems, validation often involves configuration and environment testing. A representative check for system readiness might look like this:
# Example of a basic environment validation check
# ensuring dependencies meet TRL 4 laboratory requirements
check_readiness() {
if [[ $(system_version) == "REQUIRED_SPEC" ]] && [[ $(dependency_check) == "PASS" ]]; then
echo "Environment Validated: Ready for TRL 4 Testing"
else
echo "Readiness Gap: Update environment to meet specifications"
fi
}
Managing Risk in Acquisition
For government and defence procurement, technical readiness is a primary risk mitigation tool. The US Government Accountability Office (GAO) highlights that integrating immature technologies into larger systems without adequate TRA leads to cost overruns and schedule slippages.
We use TRLs to inform three critical decisions:
- Funding: Whether to allocate resources based on the current maturity of the research.
- Transition: When a technology is stable enough to move from a research lab to a production line.
- Risk: Whether the technical maturity is sufficient to be incorporated into a system without jeopardising the overall programme.
Sources
- What are Technology Readiness Levels (TRL)? - TWI: Analysis of the "Valley of Death" and industry-academia collaboration.
- TRL | EURAXESS: Application of TRLs in the pharmaceutical and hardware sectors.
- Technology Readiness Assessment Guide - U.S. GAO: Best practices for evaluating readiness to avoid cost and schedule risks in acquisition.
