The robust optimization model is applied to analyze the enterprise's decision of the investment portfolio for the collaborative innovation under the risk constraints. Through the mathematical model deduction and the simulation analysis, the research result shows that the enterprise's investment to the collaborative innovation has relatively obvious robust effect. As for the collaborative innovation, the return from the investment coexists with the risk of it. Under the risk constraints, the robust optimization method could solve the minimum risk as well as the proportion of each investment scheme in the portfolio on the condition of different target returns from the investment. On the basis of the result, the enterprise could balance between the investment return and risk and make optimal decision on the investment scheme.

Abstract：The independent innovation capability is the key factor that affects the sustainable development of automobile industry. By analyzing the concept of independent innovation capability and considering the traits of automobile industry, an indicator system of independent innovation capability for automobile industry is constructed on the basis of extensive investigation. While the qualitative and quantitative attributes, as well as the incomplete information exist in the evaluation process, we propose a comprehensive evaluation model based on evidential reasoning which is derived from the D-S Evidence Theory. Finally, the independent innovation capability of automobile industry of Anhui Province is evaluated and analysized by using the fore mentioned model, which provides a decision-making basis for promoting the independent innovation capability of Anhui automobile industry.

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