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Real-time Controllers for Power Apparatus Lab

Filter implementation: Nth order IIR filter implementation, time constant relationship with sam- pling times, Nth order FIR filter implementation, memory requirements for filters, Sapling and quantization errors, outputs for different input signals.

Controllers (simulated plant): Implementation of a P controller, implementation of an I control- ler,implementation of a PI controller, implementation of a 2 DOF controller.

Advanced Power Electronics Lab - II

Familiarization of inverter modules architecture.

DC motor speed control - Speed control of DC motor with H-bridge using PWM.

Optional: Cascaded control of DC motor with inner current loop, and outer speed loop

V/f control of induction motor, sine PWM and Space vector PWM implementation with a 3- phase converter

Implementation of a single-phase PLL and a 3-phase PLL with hall-effect based voltage sen- sors and digital controllers

Analysis, Circuit design, schematics and layout of a 1-phase or a 3-phase 2-level inverter.

Lab IV: aerospace Materials

Experiments:

1.        Preparation  of a high temperature thermal insulting foam and study its microstructure, thermal diffusivity / thermal conductivity

2.        Heat treatment studies on super alloys and aluminium alloys to understand the precipitation hardening

3.        Studies on shape memory effect on Nitinol

4.        Compression tests on aerospace alloys and foams for thermal protection to evaluate the stress-strain behavior and their plastic constants

Lab III: Composite and Processing

Experiments:

1.      Preparation and characterisation of compression moulded random, bidirectional and unidirectional composites based on thermoplastic, thermoset and elastomer

2.      Preparation and characterization  of short fibre composites using vacuum bag, injection moulding, extrusion methods

3.      Preparation of laminates

4.      Determination of fiber-volume ratio

5.      Determination of tensile properties of composite

Aerospace Materials

Carbon based materials- carbon fiber, carbon-carbon composites, carbon aerogels  and foams,  Ceramic materials- polymer derived ceramics, ceramic fibers, ceramic matrix composites, thermal barrier coatings,  ceramics aerogels and foams, Ultrahigh temperature ceramics; materials with zero thermal expansion, Metallic materials- Evolution of materials for aerospace sectors, super alloys, titanium alloys, intermetallics and metal matrix composites; High temperature polymers- aromatic liquid crystalline polyesters, polyamide, phenolics, polyimide, poly ether ether ketones; Materia

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