TAKE AWAY CAT II
a) Explain the difference between controlled and uncontrolled rectification.
b) With simple circuit diagrams, input and output waveforms, explain the control
characteristics of the following devices.
i. Power diodes
c) Sketch and explain a simple inverter circuit and explain the function of the common
power electronic devices
d) A hybrid electric vehicle is a typical power electronic system. Sketch the block diagram
of the power converter system.
e) Using a case example, describe a mechatronic system
f) Differentiate between the following terms used in mechatronic systems. State an example
i. Modelling and simulation
ii. Sensors and actuators
g) Condition monitoring is a key concept in mechatronic systems. By defining the term,
describe using a table: the measurements, sensing parameters monitored and selection
principles in automated manufacturing.
h) Using a schematic, describe the radar technology used for vehicle sensing capability and
control during cruising.
i) Using visual aids where necessary, explain briefly the application of mechatronics in the
following areas. [12mks]
i. Model-based manufacturing
ii. Supervision control structure.
iii. Rapid prototyping and E-manufacturing
j) Explain the principle operation of the Mechatronically Designed Ambulatory