Research Of Pole Automatic Vertical Balancing System

In order to improve the vertical accuracy between measure device or building and ground level, we research and design a newly automatic vertical balancing system to meet these problems. The device has property of simple structure, small and carry-home volume, high adjusting precision, rapid response rate, and stable work in work aspect.Control system is one of the keys that affect the performance of the device. Because of the particular application, the device has restrictions on control system performance, size and power consumption. The control system use P87C552 as a core processor, which is powerful, high integration, capable of multi-task control, and can be easily expanded for other applications. The high accuracy tilt sensor DX-008D is chose the accuracy of data collection of which is 0.6′.In the paper, the device's mechanical system is developed. The device's kinematics module is established next. We obtain the obliquity formula whose validity is proved in SolidWorks simulation, to support the control system in theory.Study the device's control system, exploit the controller. This controller is composed of the micro-processor module, communication module and motor drive module. The micro-processor module, responsible for pole's adjusting procedures and tilt sensor information collecting and processing. The communication module, responsible for the communication between the control system and tilt sensor. The motor drive module, to provide a stable DC motor drive signals.Test the device by experiments. They are operated under different oblique situation to meet the original purpose. This device can adjust the balancing system to the required range of±3′in 30 seconds by DC servo motor and keep it .The result confirmed the validity of control system designing.