The phrase "actually robust" is correct and usable in written English.
It can be used to emphasize the strength or reliability of something, often in contrast to a previous assumption or expectation.
Example: "The new software update is actually robust, addressing many of the issues users faced in earlier versions."
Alternatives: "truly strong" or "genuinely reliable."
Not only can the panels be made from BKP, hiding the worst-stained wood, they are actually robust, rigid and fire-resistant enough to replace the pre-fabricated concrete panels used in many commercial buildings.
The method used here is actually robust to deviations of the data from the simple Gaussian model [23, 24], so even in such cases, it provides accurate, reliable results at a much lower computational cost.
If you want your kid to learn to operate your TV (it's never too early!) then there should be options available that are actually robust and take advantage of new and interesting technologies for parenting.
The department also rejected similar cases against UC Irvine, UC Santa Cruz and Rutgers University because the activities alleged to be anti-Jewish — mock Israeli military checkpoints and divestment campaigns — were, in the department's words, actually "robust and discordant" expressions on matters of public concern.
One way to assure that the association between the genetic variant and the disease outcome is actually robust, therefore, is to replicate the finding in a second study of subjects from a different racial / ethnic background.
"Although people often think of emoji as fun and silly, it's actually a really robust library of potential emotional states and it's already used in conversation to add emotional context to words, making it a natural fit".
"CITV is actually quite robust.
However, the true limit until which these systems will actually be robust is rarely known explicitly.
You may find that an area your organization thought was a strength is actually less robust than at other organizations.
While developers claim that Amendment 4 would make construction impossible, current community plans around the state actually include robust expansion.
Their mental health was generally good: "These people are actually quite robust and psychologically healthy individuals despite all the suffering that they have been through".
