基于蚁群算法的沥青混合料动态配料称重控制模块设计

The Control Module Design of Asphalt Mixing Dynamic Weighing Based on Ant Colony Algorithm

沥青混合料搅拌设备属于专用路面施工机械,其拌合物的品质影响着路面施工质量,拌合物中各类物料的配比和称重计量控制是搅拌设备的关键技术;分析了沥青混合料称重模块的结构,针对常规PID控制器在称重计量模块过程中动态性能存在不足,提出了用蚁群算法对模糊PID控制器的,kp,ki,kd,3个参数进行优化,设计了3个参数的优化方案,根据工艺,设计了沥青计量流程和称重模块的硬件,试验表明,设计的称重模块提高了物料的计量精度,并且能够获得较好的动态性能。

The asphalt mixing equipment belongs to the special road construction machinery, the character of the mixture impacts on the quality of road construction,Mixture ratio and weighing control of various materials are the key technology of the mixing equipment. This paper analyzes the structure of the asphalt mixture weighing module, being aimed at the dynamic performance deficiencies of conventional PID controller in the process of weighing module, puts forward the optimization of fuzzy PID controller three parameters,kp ,ki , kd, by ant colony algorithm, designs the optimization scheme of the three parameters, devising the asphalt flow measurement and the hardware of weighing module according to the process. Experiments show that the weighing module can improve the measurement accuracy of the material and get a better dynamic performance.