Technodiversity Glossary
Technodiversity glossary is a result of the ERASMUS+ project No. 2021-1-DE01-KA220-HED-000032038.
The glossary is linked with the project results of Technodiversity. It has been developed by
Jörn Erler, TU Dresden, Germany (project leader); Clara Bade, TU Dresden, Germany; Mariusz Bembenek, PULS Poznan, Poland; Stelian Alexandru Borz, UNITV Brasov, Romania; Andreja Duka, UNIZG Zagreb, Croatia; Ola Lindroos, SLU Umeå, Sweden; Mikael Lundbäck, SLU Umeå, Sweden; Natascia Magagnotti, CNR Florence, Italy; Piotr Mederski, PULS Poznan, Poland; Nathalie Mionetto, FCBA Champs sur Marne, France; Marco Simonetti, CNR Rome, Italy; Raffaele Spinelli, CNR Florence, Italy; Karl Stampfer, BOKU Vienna, Austria.
The project-time was from November 2021 until March 2024.
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Breaks during the workIf the strain of a worker overruns the permanent work load, it may increase the danger of an acute or chronic damage. Therefor breaks for recovery are necessary and should actively be provided by the employer. The minimal duration of this break should correspond with the strain over the permanent work load to bring enough compensation to the overrunning strain. We call it “shortest break”, because it should not be shorter than the given duration in order to fulfil its requirement. In the figure below, we have three working situations: - The green line shows a work, where the strain (here indicated with the heart beat) during the working time does not run over the permanent work load. So, the shortest break is zero, no compensation is required. - With the yellow line, the permanent work load is reached but not overrun. Also here, we don’t need any break. - At the red line, the heart beat is for a long time over the permanent work load. Here a debit increases that needs to be compensated. This debit can be interpreted by the area A1. In the first seconds of the break the heart beats are higher than the permanent work load; so, though they are decreasing, the heart beats (A2) are counted as overrunning strain, too. The break is long enough, when the area A3 between heart beats and permanent work load is as large as the sum of A1 and A2. Now the compensating effect is enough. There are three other types of breaks that have other effects: - organic breaks allow some organs to be unloaded while the load is taken over by other organs; one example is to move a heavy load from one hand into the other hand - short breaks of five minutes are for personal belongings and to recover the mind from concentration - longer breaks with 15 to 30 minutes allow to take lunch and to communicate with other colleagues (See more under TDiv PR1-E04)  | |
BufferA term that is often used in system analysis. A buffer interrupts a flow and opens a space for contents that can be stored and loaded again. It is the link between two elements in a chain. In Technodiversity, we take this concept to describe interruptions in a harvesting process, which divide the process into two sub-processes. Since the buffer allows to store the logs, the connected sub-processes must not wait one for each other and can develop their full productivities. In the functiogram, the buffers are represented by a button while the cub-processes are shown by arrows. In order to concatenate the sub-processes, they must meet at a buffer. So, the buffers have a key role for building and optimizing harvesting processes. In lecture PR1-B07 they are named by numbers. (See PR1-B07)
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