问题出在哪里？如何解决

错误(6142): 模型中 Real 类型的初始条件有冗余, 如下集合中有 18 个多余初始条件:
der(axis4.initializeFlange.set_a_start.w) = axis4.initializeFlange.set_a_start.a_start;
der(axis5.initializeFlange.set_a_start.w) = axis5.initializeFlange.set_a_start.a_start;
der(axis6.initializeFlange.set_a_start.w) = axis6.initializeFlange.set_a_start.a_start;
der(axis3.initializeFlange.set_a_start.w) = axis3.initializeFlange.set_a_start.a_start;
der(axis2.initializeFlange.set_a_start.w) = axis2.initializeFlange.set_a_start.a_start;
der(axis1.initializeFlange.set_a_start.w) = axis1.initializeFlange.set_a_start.a_start;
axis5.initializeFlange.set_phi_start.flange.phi = axis5.initializeFlange.set_phi_start.phi_start;
axis6.initializeFlange.set_phi_start.flange.phi = axis6.initializeFlange.set_phi_start.phi_start;
axis4.initializeFlange.set_phi_start.flange.phi = axis4.initializeFlange.set_phi_start.phi_start;
axis3.initializeFlange.set_phi_start.flange.phi = axis3.initializeFlange.set_phi_start.phi_start;
axis2.initializeFlange.set_phi_start.flange.phi = axis2.initializeFlange.set_phi_start.phi_start;
axis1.initializeFlange.set_phi_start.flange.phi = axis1.initializeFlange.set_phi_start.phi_start;
der(axis5.initializeFlange.set_w_start.flange.phi) = axis5.initializeFlange.set_w_start.w_start;
der(axis6.initializeFlange.set_w_start.flange.phi) = axis6.initializeFlange.set_w_start.w_start;
der(axis4.initializeFlange.set_w_start.flange.phi) = axis4.initializeFlange.set_w_start.w_start;
der(axis3.initializeFlange.set_w_start.flange.phi) = axis3.initializeFlange.set_w_start.w_start;
der(axis2.initializeFlange.set_w_start.flange.phi) = axis2.initializeFlange.set_w_start.w_start;
der(axis1.initializeFlange.set_w_start.flange.phi) = axis1.initializeFlange.set_w_start.w_start;
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