Design And Achievement Of One Fluoroscopy Equipment Movement Control System

The medical X-ray system is equipment that most widely used for photography and perspective in hospital. In order to diagnose patients better, the equipment usually have a complex movement system. Because all the movements are carried out for the patients, so it usually has higher security requirements for the motion control system.Embedded system is a product of combining of computer technology, emiconductor technology, electronic technology, and various industry specific applications. Its feature is high flexibility, small size, low price and high reliability. The thesis by analyzing the characteristics of the fluoroscopy equipment movement control system and considing the actual China conditions that most hospital is sensitive for the equipment costs, creats one low cost, high reliability movement control system conception. This conception bases on the embedded system, use the embedded operating system. Eventually, we build one system that base on movement control board. RS422. RS485 as a means of communication, relying on servo, frequency motor drive digital gastrointestinal movemetnt control systems. The system implements all the fluoroscopy equipment movement requirements. Because of using embedded operating system not only improves reliability, but also reduces the cost of the product.The mainly work of this thesis is to analyse the characteristics and requirements of fluoroscopy equipment movement system, establish the conceptual of using the C8051 as the main controller, using the embedded operating system μx/OS-Ⅱ as the platform. For the hardware, according to the characteristics of the ferroelectric memory, power failure storage function is realized. For the motor control function, base on the PID control algorithm, the s-type acceleration and deceleration is realized. This makes patients feel more comfortable. For the software design, achieve a multiplayer collaborative development, based on the characteristics of the μx/OS-Ⅱ. This makes the development cycle savings of nearly 40%. At the same time, because of the embedded systems, the system can monitor the movement states. This makes convenient for the the movement noise reduction algorithm.This motion control system has been achieved in one Medical equipment company. The cost had saved nearly 50% than the previous device. This product has saleed almost 200, customers reflect well. The reliability of the system also has been verified.