Question #17591

DESIGN PROBLEM

A unity feedback control for a vehicle manoeuvring system is given in the following diagram:

where K = 100 and G(s) =

The initial design of the system is not very good with regards to the step input. As an engineer, you have been given the task to improve certain performance criteria of the system. To complete your assignment, you are to analyse the system design and give some recommendations for improvement. You are required to submit a complete report detailing your work.

TASK A (Problem Identification)

Analyse the system as follows. Use Matlab to find the time (step) response, frequency response (bode plot) and root locus of the system. Obtain the three plots and clearly identify the problems with this initial design. List down as many problems as possible. For each one of the problem, explain why it is not acceptable in an engineering product. (Note: Problems refer to performance criteria and the number is not more than 10).

TASK B (Design Solution)

Improve the system as follows

A unity feedback control for a vehicle manoeuvring system is given in the following diagram:

where K = 100 and G(s) =

The initial design of the system is not very good with regards to the step input. As an engineer, you have been given the task to improve certain performance criteria of the system. To complete your assignment, you are to analyse the system design and give some recommendations for improvement. You are required to submit a complete report detailing your work.

TASK A (Problem Identification)

Analyse the system as follows. Use Matlab to find the time (step) response, frequency response (bode plot) and root locus of the system. Obtain the three plots and clearly identify the problems with this initial design. List down as many problems as possible. For each one of the problem, explain why it is not acceptable in an engineering product. (Note: Problems refer to performance criteria and the number is not more than 10).

TASK B (Design Solution)

Improve the system as follows

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