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EDUCATIONAL PRODUCTS

Basic Automotive Transducer Kits

This teaching package builds on the work covered in the package entitled 'Using the EDP for Basic Input/Output and Control'. The I/O techniques covered in the previous module are required to complete this one. This teaching module explores the theory and use of a wide variety of sensors and transducers in a range of automobile applications and contexts.

The following Assignments can be carried out :

· Measurement and control of rotary speed
· Measurement and control of temperature
· Detection and measurement of liquid level
· Measurement of dynamic strain
· Control, diagnostics, of a lighting cluster
· Investigation of the principles of anti-knock sensing and correction
· Investigation of the principles of operation of air mass flow measurement
· Operation of climate control sensors
· Principles of Anti-lock braking
a) Stepper Motor Module
The module is based on a 12V bipolar 7.50 rotation per step variable reluctance motor. Two LEDs are provided. One of indicates direction, the other receipt of pulses.

b) DC Motor Module
The module is based on a 5.9V compact disc player spindle module.
a) Speed Control
The speed control section comprises a DC motor driving a ferromagnetic toothed wheel, whose rotational speed is monitored by a reluctance sensor and a reflective optical switch.

b) Temperature Control
The temperature control section comprises a heater and heat sink, DC fan and two temperature sensors.
This module provides an electronic simulation of knocking in an internal combustion engine and its correction by retardation of the firing angle. The characteristic sound of knocking is reconstructed electronically in a metal cylinder and the vibrations detected by means of a piezoelectric crystal.
This module is intended to illustrate the basic principles of anti-lock braking. An optical sensor is used to measure the speed of rotating wheel, which is driven by a dc motor.
This module, which plugs into a single applications slot on the EDP, simulates the rise and fall of liquid in the fuel tank or clutch/ brake reservoir in a motor vehicle.
This module is a small scale realisation of a wishbone type suspension module and features a piezoelectric bimorph transducer. The system spring is represented in the model by a rectangular section strip material to ease analytical modelling.
The module consists of a rotating "Head Lamp" and a flashing direction indicator. The Headlamp is deployed by means of servo motor activated by the EDP.

DP 31 DSP Development System Education

The DP31 demonstrates the power of a modular design methodology applied to embedded systems. The processing element is the highly-integrated TEXAS 320C31 processor card, the DSP Starter Kit (DSK).

EDP Educational Development Platform

The Motherboard provides a solid, stable, platform on which to mount and interconnect the modules.
The Motherboard with Modules; the plug-in Prototyping Application Board permits access to all users inputs of the interface modules, using screw terminal blocks.
The actual modules available for the motherboard; DC motor control with digital and analogue feedback, Stepper motor control with digital and analogue feedback, Traffic light emulator, Programmable logic trainer, and 2-axis robotic arm with stepper and servo drive.


INDUSTRIAL PRODUCTS

MS 2000 Analogue and Digital Data Logging Unit; in press-working applications it can be used, for example, in tool-monitoring.
PC-CAN Card (C2001/2); The Monisys C2001/2 CAN Cards fit into an unused expansion slot on the 16-bit ISA bus of a PC to connect it to a CAN network.
Transducers; The company specialises in the application of ultrasonic techniques applied to the monitoring of press tools and the assessment of the integrity of pressing processes.


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