主控模块采用遥控与程控两种工作模式，并通过遥控指令实现模式切换。

The main control module has two operational modes of re- mote control and program control, and uses remote control command to switch operational mode.

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当主控制器工作异常时，能自动地切换到副控制器工作；

The vice-controller works automatically when the main-controller is out of order.

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提出一种AP主控的切换式均衡算法，使用STA数目、RSSI和信道忙碌率等因素分配AP负载，并采用接入式算法思想，判断切换的目标AP是否接受超载AP的分流。

This paper proposes an AP-con trolled load balance algorithm based on the STA number, RSSI, and the channel busy ratio to allocate the AP's load.

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