Pulse Width Modulation

1
Pulse Width Modulation

• Robert E. Wolf
• Extension Specialist Application Technology

Biological and Agricultural Engineering
2
Synchro Nozzles

• Blended Pulse Technology
• Independent Flow Control (1-8X)
• Independent Drop Size Control
• Independent Band Width Control (Fan Nozzles)
• Separate boom section controls
• GPS - program management control

3
Pulse Width Modulation - PWM
Pulsed Emissions from Nozzles
4
Aim Command - Automatic Droplet Control System
5
Electronics/Rate Controllers

• How does your system work when speed changes?
• Is it pressure based?
• What is the effect of going slower?
• What is the effect of going faster?

6
(No Transcript)
7
(No Transcript)
8
(No Transcript)
9
Accountability map for Field run 7 - wind speed
and wind direction
10
Sharp Shooter/Synchro Controller

• Pulse generator
• On/Off
• Select volume
• Valve Driver
• Power from battery
• Nozzle valve
• Creates spray pulse

11
For more information contact
rewolf_at_ksu.edu
www.bae.ksu.edu/rewolf/