STUDIES ON THE SIMULATION METHOD OF SILKWORM'S BEHAVIOUR AND ITS COMPUTER VIZUALIZATION

虽然计算机可视化已被用于各个研究领域，但没有实际应用于昆虫行为的分析。此外，人们还对什么条件会干扰蚕的正常吐丝过程或蚕在异常条件下的行为产生了一些兴趣。因此，我们研究了蚕茧被割破一小部分后，家蚕的修复行为。在此基础上，建立了反映家蚕行为模式的统计模型，并根据模型结果设计了模拟方法。此外，我们还尝试开发了一种新的家蚕行为研究的计算机可视化系统。研究结果如下：1.对吐丝过程中蚕体的定、动进行了分析，结果表明：蚕体的定、动时间近似服从混合Gamma分布，定时间近似服从对数正态分布。2.用方程表示蚕体运动时间与运动角度之间的关系。3.提出了一种新的家蚕吐丝行为模拟算法。4.在Windows个人计算机上开发了家蚕行为三维可视化系统。

While the computer visualization has been used in various research fields, there is no practical application to the analysis of insect behaviour. In addition, some interests have been taken in what conditions disturb the normal spinning process of a silkworm or in how the silkworm behaves under abnormal conditions. We, therefore, investigated the silkworm's repairing behavior when a small part of the cocoon being spun was cut. Then, after some statistical models were constructed to represent the silkworm's behavioural pattern, a simulation method was devised using the results. Furthermore, we tried to develop a new computer visualization system for the research of silkworm's behaviour. The results are as follows ; 1. Analysing the fixing and moving of a silkworm body during spinning process, we showed that the periods of time approximately follow the mixture Gamma distribution for the moving and lognormal distribution for the fixing. 2. The relationship between the period of moving time and the moved angle of a silkworm body was represented by an equation. 3. A new simulation algorithm was devised for the spinning behavior of a silkworm. 4. A 3D visualization system for silkworm's behavior was developed using a Windows personal computer.