Flanders Make

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The use case is a control system of a transmission. The inputs to this control system are (i) a switch to set the gear in forward, neutral or reverse, and (ii) a switch for up and down switching. Two safety functions are defined. In the safety analysis of these safety functions, Dana needs to perform SIL quantification on the control hardware. A simplified system concept for the controller is seen above.

A new safety analysis methodology

After close analysis of problems arising within SIL quantifiers, a new component-based methodology emerged.

image 0001 551aab15e2704

A component-based methodology to quantify the Safety Integrity Level

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The use case is a control system of a transmission. The inputs to this control system are (i) a switch to set the gear in forward, neutral or reverse, and (ii) a switch for up and down switching. Two safety functions are defined. In the safety analysis of these safety functions, Dana needs to perform SIL quantification on the control hardware. A simplified system concept for the controller is seen above.

A new safety analysis methodology

After close analysis of problems arising within SIL quantifiers, a new component-based methodology emerged.

image 0001 551aab15e2704

A component-based methodology to quantify the Safety Integrity Level