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介绍一种由AST486计算机，光电二极管阵列编码器，磁电系动图式结构组成的生物材料扭转实验台系统，根据实验条件要求，由计算机输出信号控制磁电系动图式结构产生预定的扭矩信号驱动被测试样偏转。角位移采用光电二极管阵列编码器，实现非接触式测量。该系统设计新颖，动态特性好，能完成血管及其他生物材料的扭转实验，并由AST486微机对实验数据自动处理和分析。
A biomaterial torsion test bench system consisting of an AST486 computer, a photodiode array encoder, and a magneto-electric system diagram structure was introduced. According to the experimental conditions, a computer output signal was used to control the magneto-electric system to generate a predetermined torque. The signal driver is deflected by the test sample. The angular displacement uses a photodiode array encoder to achieve non-contact measurement. The system has a novel design and good dynamic characteristics. It can complete the torsion experiment of blood vessels and other biological materials, and the AST486 microcomputer can automatically process and analyze the experimental data.