| With the buildings becoming larger and higher, it's necessary to equip several elevators in the building. Operating efficiency of the elevator group system is low if each elevator runs independently, and which leads to great waste of energy. Therefore, how to reasonably dispatch elevators must be considered in Elevator Group Control System (EGCS). In this paper, research and design of EGCS is made with background of the project development for a corporation in Xiamen.What EGCS deals with is a stochastic, multi-object decision-making with complex, no-linear and uncertainty. So the modern building adopts the technology of the elevator group control to improve the service quality and the operating efficiency, reduce the energy cost.Based on summarizing some domestic and overseas research advance of EGCS, first, the thesis studies the characters of EGCS, proposes a mathematical model for EGCS based on Multi-objective planning. The multi-objective optimization algorithm for elevator group is presented, considering the passenger waiting time, the passenger riding time, the power consumption of the system.Dues to the stochastic and uncertainty of elevator group system, the effect is not good if the multi-objective optimization algorithm is individually used in EGCS, the control rule which is got by expert knowledge or experience is very important. So, some control rules are described. Considering the multi-objective optimization algorithm and those control rules, the dispatching method for EGCS is described in detail.In the end, the design of software and hardware of Elevator Group Controller are presented. In hardware design, the issue of anti-jamming is specially considered. In software design, with the analysis method of modularization, all function modules are abstracted from the requirement of the Elevator Group Control System. Further, the thesis briefly describes each module's function, and the software flow chart of Elevator Group Controller is presented.
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