Abstract: Provided is an arm-type aerial work platform. The platform includes a chassis mechanism and a walking drive mechanism. The chassis mechanism includes a front drive axle, a rear drive axle, front drive wheels on two sides of the front drive axle, and rear drive wheels on two sides of the rear drive axle. The walking drive mechanism includes a front transmission shaft, a rear transmission shaft, a transfer case, and a first drive motor. The first drive motor includes a first permanent magnet synchronization motor and a first alternating current driver, an input terminal of the first permanent magnet synchronization motor is electrically connected to the first alternating current driver, and an output terminal of the first permanent magnet synchronization motor is connected to an input terminal of the transfer case.

Abstract: A The four-wheel steering control system includes a front drive axle, a front drive cylinder, a rear drive axle, a rear drive cylinder, a first reversing valve, a second reversing valve, and a switch valve. The front drive cylinder is drivingly connected to the front drive axle, and the rear drive cylinder is drivingly connected to the rear drive axle. A first working oil port of the first reversing valve communicates with one oil chamber of the front drive cylinder. A second working oil port of the first reversing valve communicates with an oil inlet of the second reversing valve. An oil return port of the second reversing valve communicates with another oil chamber of the front drive cylinder. Two working oil ports of the second reversing valve communicate with two oil chambers of the rear drive cylinder one to one.