ˈɔfən ðɪs mˈiːnz ðæt kəntɹˈoʊlɚ kənstɹˈʌkʃən wɪl biː ɐn ˈɪɾɚɹətˌɪv pɹˈɑːsɛs ɪnwˌɪtʃ ðɪ ˌɛndʒɪnˈɪɹ dʒˈʌdʒᵻz ðə "ˈɑːptɪməl" kəntɹˈoʊlɚz pɹədˈuːst θɹuː sˌɪmjʊlˈeɪʃən ænd ðˈɛn ɐdʒˈʌsts ðə pɚɹˈæmɪɾɚz tə pɹədˈuːs ɐ kəntɹˈoʊlɚ mˈoːɹ kənsˈɪstənt wɪð dɪzˈaɪn ɡˈoʊlz.
Often this means that controller construction will be an iterative process in which the engineer judges the "optimal" controllers produced through simulation and then adjusts the parameters to produce a controller more consistent with design goals.