A constant force hybrid adaptive control system is designed for four rollers cold rolling mill to ensure that strap steel force is constant.
为了保证冷轧机轧制中带钢恒张这一特点，设计了四辊可逆冷轧机恒张力混合自适应控制系统。
2
A 4-node axisymmetric solid element is derived by combined hybrid methods. Compatible isoparametric bilinear displacement approximations and the constant stress mode are employed.
利用组合杂交有限元法得到了一个四节点轴对称元，并采用协调等参双线性位移来逼近及分片常数应力模式。
3
The system USES hybrid flux model to make the rotor flux constant during full speed range.