双模式电梯群控调度算法的实现

Realization of group control scheduling algorithm for dual-mode elevator

针对电梯智能群控调度算法计算复杂,以及对硬件要求高的问题,提出了计算复杂度低、容易实现的双模式群控调度算法,以满足低性能控制器的需求。根据控制模式决策周期内的客流量不同,将电梯群控制模式分为能耗优先控制模式和最小等待时间控制模式;能耗优先模式调度算法以节能为目标,同时考虑电梯运行频率的平衡及乘客乘梯的拥挤程度;在最小等待时间控制模式下以等待时间最小为目标,利用等效时间法计算了每台电梯响应外召信号的等待时间,得出了最佳的呼梯分派策略,以贪婪调度机制对电梯群进行了调度;在上行高峰/空闲/随机层间/下行高峰交通流模式下对算法进行了仿真。仿真结果表明,该算法能满足不同客流状态下对电梯群控的需求,为中低端电梯群控应用场所提供了一种解决方法。

Aiming at the computational complexity, hardware high requirements of elevator intelligent group control scheduling algorithm, for meeting the needs of low-performance controller, the low computational complexity, easy to implement dual-mode group control scheduling algorithm was proposed. Depending on the traffic control mode decision cycle, the control mode was divided into energy consumption priority and minimum wait time control mode. Energy consumption priority mode scheduling algorithm was the target of energy saving, taking into account the elevator operating frequency balance and passengers by ladder congestion level. Minimum waiting time control mode was in order to minimize latency target, which using the equivalent time method to calculate the best call distribution elevator. The algorithm was evaluated in uplink peak, idle, random layer and down link peak traffic flow pattern. The result indicates that the algorithm can meet the demand for elevator group control and provide a solution for the low-end of elevator group control places.