您要查找的是不是：
- overconstrained rnechanisms 过约束机构
- With this method, 4R overconstrained mechanisms is proved, and also a 4R2P overconstrained mechanism is determined. 用该法给出了4R过约束机构的寻找方法，同时对一个4R2P机构进行了过约束性判定。
- On the other hand, the existence conditions of two known 5-link overconstrained mechanisms are verified and corrected. 检验了两个已有的5杆过约束机构的存在条件，并进行了适当修正。
- This method also provides a theoretical basis for finding new overconstrained mechanisms. 这一方法为发现新的过约束机构提供了理论依据。
- After analyzing some internal conditions of this overconstrained mechanism, a new class of overconstrained mechanisms was constructed. 通过对该四回路过约束机构的过约束条件分析，构造了一类新的平面过约束机构。
- Based on the new method, a criterion of determining overconstrained mechanisms was presented and a new four-loop planar overconstrained mechanism was certified. 发现了一种平面四回路过约束机构，并运用判定准则对该机构进行验证。
- This dissertation presents a method of building deployable structures using an existing mechanism named Bennett 4R linkage, which is a famous overconstrained linkage and whose alternative form can fold and deploy completely. Bennett 4R linkage是一种简单的四杆过约束机构，它的衍生形式具有可完全折叠和展开的性质。
- Influence of Manufacturing Errors on Performance of Overconstrained Mechanism 制造误差对过约束机构性能影响的研究
- The Determination of Planar Overconstrained Mechanisms Based on Hyperplane Homotopy Method 基于超平面同伦法的平面过约束机构判定
- overconstrainedadj. 约束过多的(无解的)
