| 摘要 |
{Problem} To provide a material monitoring system whereby it is possible, in the process of biomass plastic, which is a material which is shipped from either an authorized factory or warehouse, etc., changing into a prescribed product, to monitor the change of the material at all times on the basis of the course of a prescribed number of distributions and works. {Solution} Management information, such as weight, mass, or volume, in each nth node is transmitted at prescribed in and out timings to a central management server (1). Based on the information, the management server (1) carries out monitoring of the original material's (mass) which is presently onsite at the nth node. While material distribution elements will in reality branch off and become complex, the total quantity of the original material which the management server (1) manages (recognizes) does not change. Should an error arise in a change in the total quantity of the original material which the management server manages (recognizes), it will be possible to suspect an illicit event and to investigate the cause thereof based on the management information. |
