Philips Healthcare Innovation Centre Interview Questions and Answers

Weibull analysis calculations formulae

• Weibull analysis is used to analyze the life data of components or systems

• The Weibull distribution is commonly used to model reliability data

• The formula for the Weibull distribution is: f(x) = (c/b) * ((x - a)/b)^(c-1) * e^(-((x - a)/b)^c)

• Parameters in the formula: a = location parameter, b = scale parameter, c = shape parameter

• Weibull analysis can help in predicting failure rates

Reliability metrics are measurements used to assess the performance and dependability of a system.

• Mean Time Between Failures (MTBF) - average time between failures of a system

• Mean Time To Repair (MTTR) - average time taken to repair a system after a failure

• Availability - percentage of time a system is operational and available for use

• Failure Rate - frequency at which a system fails over a period of time

• Reliability Bloc...read more

PLC SCADA stands for Programmable Logic Controller and Supervisory Control and Data Acquisition. It is used in industrial automation.

• PLC is a hardware device used to control industrial processes.

• SCADA is a software system used to monitor and control processes.

• PLC and SCADA work together to automate processes in industries.

• Examples of industries using PLC SCADA include manufacturing, oil and gas, and water treatment.