a active constraint

基本解釋

The new manner of active constraint force to control the machinery is broadened the apply of Lagrange equation and break a new thinking for the servo control.
這種在機械系統(tǒng)中利用主動約束力作為控制量的方法拓寬了傳統(tǒng)拉格朗日力學的應用范圍，為機械系統(tǒng)伺服控制理論提供了一個新的思路。
As a result, the inequality volume constraint is not always active at the optimum solution. In other words, less material may lead to a stiffer structure for an optimum material layout.
慣性載荷作用下拓撲優(yōu)化結果并不總是達到體積約束上限，即材料用量越多結構剛度未必越大；
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A revised SQP-algorithm is used to solve the nonlinear mathematical programming problem and an active-constraint set strategy is introduced, so that the number of constraints is reduced greatly.
采用一種改進的SQP算法求解降維后的非線性規(guī)劃問題，提出了用可行性約束集方法求解二次規(guī)劃子問題，來降低問題的約束數(shù)。