基于多机静态冗余系统的船舶电站并联控制技术研究

Research on automatic parallel technology based on static redundant multi-processer system in ship power station

介绍了基于多机静态冗余DSP结构设计的船舶电站自动并联控制技术,应用动态调整采样间隔的交流采样算法来计算交流电量,并推导了最小二乘曲线拟合算法来精确预报同期点;采用一种用软件计算方法实现了高性能的频载调节控制。装置在硬件上采用多数表决输出的三模冗余结构和在软件上实现数据的冗余处理,能保证微控制器系统在电网品质恶劣的船舶电站中使用时也具有较高的可靠性。

This paper presents an automatic parallel control technology based on static redundant multi-processer system in ship power station,which calculates the electrical parameters using AC sampling method with dynamically adjusting synchronous-sampling-time, and evolves the least square method to forecast the precise synchronization; using a method based on software design to accomplish high performance frequency-load controling. To guarantee an excellent performance when used in ship power station with rough electric paremeters, the equipment provides a hardware structure of triple-microprocessor system based on majority rule with a specifically-designed software which processes redundant data to achieve a better result.