| 摘要 |
<p>This invention relates to an embedded system for production facilities that is capable of production history management and certificate issuance. To be more specific, the invention relates to the embedded system capable of production history management and certificate issuance for production facilities that obtains environmental information from all different types of production facilities on a production site through an embedded means, carries out management of performance and production history and interacts with a certificate authority server to issue a reliable certificate.</p> |
