| The automatic measurement system for artillery body inside chamber defect belongs to the application study of intelligent measurement technology. It is the effective combination and application of several technology including modern optics, precision mechanism, electronics and technique of computer. It is a kind of auto lossless detecting which applied computer real-time control to realize high precision and high efficiency. The special system is able to inspect and analyse the state of ablation, disfigurement of machine, bug of material and the degree of abrasion on the inner surface, which is an important instrument for make certain on remain life and shooting security of artillery body.The paper has introduced the structure, principle and design idea for software of data collecting segment in this intelligent measurement system. Particularly set forth SCM control circuit, principle and realization process of DC electromotor in creeping machine, the design of logic circuit and principle of interface card, the design of precise location installation, the choice of sensor, its principle and realization process, including the concrete process of realization by software.
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