"rigid limitations" is a correct and usable phrase in written English
You can use it when you want to refer to strict or unbending constraints or restrictions. For example, "The school has rigid limitations on the number of days students can miss for absences."
It has since lost favour among book designers, except for art and architectural books, partly because sans serif types and asymmetrical layout proved less legible than traditional modes and partly because of its rigid limitations.
George I had been king for six years when Hogarth set up shop on his own at the age of 23, resolving to escape the rigid limitations of his trade.
Yet in the hands of Mr. Gilberto, who returned to Carnegie Hall for a JVC Jazz Festival concert on Sunday night, it is also very clearly an urban music, working its subtleties within confined spaces and rigid limitations, like an apartment dweller intent on not disturbing neighbors.
This is one of the reasons for establishing rigid limitations on how long someone remains undercover.
This phase consistency might underlie the rigid limitations of the SCN clock in its response to changes in the environment during the phase-delay portion of circadian cycle.
The success of the Small Business Administration's efforts are viewed primarily in terms of the pool of professional private equity investors that the program developed as the rigid regulatory limitations imposed by the program minimized the role of SBICs.
For the high qualities of robustness, accuracy and rigid time limitation of high-speed autonomous navigation intelligent vehicle, this paper is about the design of a sliding mode controller, based on the structures and motion model.
Designing a widget no one has ever seen before is easy when compared to designing a refrigerator or a billboard - things that come with both rigid space limitation and deep expectations of look and performance.
In spite of being inherently compliant when interacting with objects, their rigid nature imposes limitations in their usability in the medical field.
In order to circumvent the fixed topology limitation in optimally designing rigid-body mechanisms, we present the constraint force design method.
