Glass Box Representation

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Identified sub system list:

Sl.NO	Sub System 1
1	Receiving signals & act according to it
2	Movement
3	Storage
4	Excavation & Dump

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Types of Interaction:

1. Material interaction:

   Solids,Liquids, and Gases that flow from one sub system to next.

2. Energy interaction:

   Energy that must be transmitted or shielded between sub systems.

3. Data interaction:

   Signals(tactile,acoustic,electrical,visual,etc..)that must be proceeded from one sub system to the next.

4. Spatial interaction:

   Geometrical Dimension,Degrees of freedom,tolerance and constraints that must be maintained between the sub systems

For Sub System 1

	Sub system 2	Sub system 3	Sub system 4
Material Interaction	No	No	No
Energy Interaction	No	No	No
Data Interaction	Yes	Yes	Yes
Spatial Interaction	No	No	No
Explanation: Because there is data transfer takes place between sub system 1 with sub systems 2,3 & 4 and

For Sub System 2

	Sub system 1	Sub system 3	Sub system 4
Material Interaction	No	No	No
Energy Interaction	No	No	No
Data Interaction	Yes	No	No
Spatial Interaction	No	Yes	No
Explanation:Data transfer takes place between sub system 2 with 1 and as the bot moves storage box is also will move.

For Sub System 3

	Sub system 1	Sub system 2	Sub system 4
Material Interaction	No	No	No
Energy Interaction	NO	NO	NO
Data Interaction	Yes	No	No
Spatial Interaction	No	Yes	No
Explanation:Transfer of data takes place between sub system 3 with 1 and as the bot moves storage box is also will move

For Sub System 4

	Sub System 1	Sub System 2	Sub System 3
Material Interaction	No	No	Yes
Energy Interaction	No	No	No
Data Interaction	Yes	No	No
Spatial Interaction	No	Yes	No
Explanation:There is material transfer takes place between sub system 4 with 3.