This version is outdated by a newer approved version.
This version (21 Feb 2014 15:02) was approved by Lucian Sin.The Previously approved version (11 Feb 2014 08:37) is available.
This version (21 Feb 2014 15:02) was approved by Lucian Sin.The Previously approved version (11 Feb 2014 08:37) is available.This is an old revision of the document!
Table of Contents
Dynamometer Drive System
Features
- Two BLDC motors connected in a dyno setup
- Electronically adjustable load – the load value is set using the onboard buttons + LCD
- Programmable step and ramp load changes
- Measurement and display of load motor phase currents
- Measurement and display of load motor speed
- External control using Analog Discovery
Block Diagram
Key Parts
| Power | |
|---|---|
| ADuM5000 | isoPower® integrated isolated dc-to-dc converter |
| ADP3335 | HIGH ACCURACY ULTRALOW QUIESCENT CURRENT, 500 mA, ANYCAP® LOW DROPOUT |
| Isolation | |
| ADUM3223 | 3 KV RMS ISOLATED PRECISION HALF-BRIDGE DRIVER, 4 A OUTPUT |
User Guide
The system is equipped with an LCD which displays information about the state of the load such and together with the 3 push buttons placed below it can be used to display and configure different system parameters. The +/- buttons are used to navigate through the system's menu and to change different system parameters, while the Enter button is used to confirm parameter changes or to enter / exit the menu screens.
| Menu diagram | Menu description |
|---|---|
 | Main menu is displayed at power up. |
| The measurement menu displays RMS phase currents and motor speed. The load can be adjusted by pressing the “+” or “-” buttons. In order to go back to the main menu press “Enter”. | |
| Waveforms menu. Select ramp or step load. In order to go back select “…” and press “Enter” |
|
| Step load menu. Select “Step” to start toggling the load. |
|
| Press “+” or “-” to toggle between the preset step values. In order to go back press “Enter” |
|
| Set maximum duty cycle. In order to go back press “Enter” |
|
| Set minimum duty cycle. In order to go back press “Enter” |
|
| Ramp load menu. Press “+” or “-” to change ramp period. In order to go back press “Enter” |
|
| Settings menu. In order to go back select “…” and press “Enter” |
|
| Change duty cycle step. |
|
| About. |
The system needs a 5V 500mA power supply. The power connector is a 2.1 X 5.5MM jack with the center pin positive(+)
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resources/eval/user-guides/ad-fmcmotcon1-ebz/hardware/dyno.1392725385.txt.gz · Last modified: 18 Feb 2014 13:09 by Lucian Sin