state constraint

But contact problem has always been a complex problem in theoretical researches and engineering designs. The constraint equations for a contact state are taken as the essential nonlinear behavior which usually controls the entire process of the deformation.

而接触问题一直是理论研究及工程设计中的一个复杂问题，接触状态的约束方程作为非线性约束控制全过程，接触问题表现出很强的非线性特征。

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Because the non-holonomic mobile robots have non-integral constraint conditions, it is difficult to use a control law to make the mobile robot converge to the target state.

因为非完整性移动机器人具有不可积分的约束条件，所以很难使用一种控制法则来使移动机器人收敛到目标位置。

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Robust invariant set is introduced to obtain the terminal constraint set and feasible invariant set for the estimated state.

通过引入鲁棒不变集，构造了关于估计状态的终端约束集和可行不变集，从而实现了输出反馈双模控制，证明了闭环系统的稳定性。

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REST's "client-stateless-server" constraint forbids session state on the server.

REST的“客户机-无状态-服务器”约束禁止在服务器上保存会话状态。

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This method solves the problems of choosing coefficient matrices, and it does not need to satisfy a terminal state equality constraint.

该方法解决了系数矩阵的选择问题，不需要满足最终状态等式约束。

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The sine-Gordon soliton star model with mix of Brans-Dicke scalar field and condensed Fermi pairs are studied, the result indicate the dark energy in the center of star can arrived at stable state when coupling coefficient satisfies some constraint conditions. 5.

研究了Brans-Dicke标量场和凝聚费米对混合的sine-Gordon孤子星模型。结果表明，当耦合系数满足一定约束条件时，星体中心的暗能量可达到稳定状态。

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Ineffectiveness of the Constraint Mechanism Imposed by Capital Market on Managers of SOEs under State Ownership

国有产权制度下资本市场对国企经理约束机制的无效性

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A model predictive control direct algorithm, which is based on state space for nonlinear system with the unknown parameters and terminal constraint, is presented in this paper. The method avoids computing inverse matrixes, and the computation is reduced.

针对参数未知、具有终端约束的非线性系统，提出了一种新的模型预测控制直接算法，该方法避免了求解逆矩阵，减小了计算量。

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Take the terminal state, transfer time and energy consumption standard as constraint condition, a method of design the optimal energy transfer orbit is given, a transfer orbit based on continuous velocity pulse maneuver is getted and diminish the energy consumption in the orbit transfer.

本文以末值状态，转移时间和能耗指标等作为约束条件，给出了最优能耗转移轨道的设计方法，得到基于连续速度脉冲机动的转移轨道，减小了轨道转移过程中的能量消耗。

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