Distributed embedded systems Outline
Distributed embedded systems Outline
Distributed embedded systems Outline
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Views of distributed <strong>systems</strong><br />
• Software allocation and roles of nodes<br />
• Application program view<br />
• Driver view<br />
• Logical topology<br />
• Physical layout<br />
• Cables and wires<br />
• Physical vs. Logical communication<br />
• Protocols<br />
Martin Törngren, Sept. 2010 – <strong>Distributed</strong> <strong>systems</strong><br />
Embedded <strong>systems</strong>,course, MF2042<br />
7<br />
Vehicle stability<br />
Suspension<br />
Driver in the loop<br />
Diagnostics<br />
The mapping problem<br />
Local control<br />
function<br />
Local control<br />
function<br />
Sensor Actuator Sensor Sensor Actuator<br />
Computer<br />
hardware<br />
&<br />
software<br />
Drive unit<br />
Signal cond.<br />
Actuator(s)<br />
Sensor(s)<br />
Gateway<br />
Computer<br />
hardware<br />
&<br />
software<br />
Drive unit<br />
Signal cond.<br />
Actuat or(s)<br />
Sensor(s)<br />
Vehicle<br />
Mechanics<br />
Computer<br />
hardware<br />
and<br />
software<br />
Drive unit<br />
circuitry<br />
Signal cond.<br />
Actuat or(s)<br />
Sensor(s)<br />
Martin Törngren, Sept. 2010 – <strong>Distributed</strong> <strong>systems</strong><br />
Embedded <strong>systems</strong>,course, MF2042<br />
8<br />
4