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New 2-axis Drives for DMC-40×0 and DMC-41×3 controllers from Galil October 5, 2013

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Galil’s DMC-40×0 Accelera and DMC-41×3 Econo Ethernet motion controllers are now available with additional multi-axis servo and stepper drive options.  The AMP-43540 4-axis 600W brushless sine drive is now available in a 2-axis model as the AMP-43520, and the SDM-44040 4-axis stepper drive is available as a 2-axis model as the SDM-44020.  The new 2-axis drive options provide additional cost savings for OEM applications. A brief description of the new 2-axis amplifiers are below.  The 2-axis models will be available for shipment in about a month and announced in the April issue of ServoTrends.

Galil DMC-41x3 with AMP-43540

Galil DMC-41×3 with AMP-43540

Download specs at http://www.galilmc.com/catalog/cat40x0.pdf or http://www.galilmc.com/catalog/cat41x3.pdf.

AMP-435×0 2- and 4-axis 600 W Servo Drives with Sinusoidal Commutation (-D3520, -D3540)

The AMP-43540 contains four transconductance, PWM amplifiers for driving brushed or brushless servo motors with sinusoidal commutation and the AMP-43520 contains two PWM amplifiers.  Each amplifier drives motors operating at up to 8 Amps rms cont., 15 Amps peak, 20–80 VDC.  The gain settings of the amplifier are user-programmable at 0.4, 0.8 and 1.6 Amp/Volt.  The switching frequency is 33 KHz.  The amplifier offers protection for over-voltage, under-voltage, over-current, short-circuit and over-temperature.  Hall sensors are not required for brushless motor commutation.  A shunt regulator option is available.  The AMP-43520 (-D3520) 2-axis 600W brushed/brushless sine drive is $650 US in quantity 1 and $375 US/ea qty 100.

SDM-440×0 2- and 4-axis Stepper Drives (-D4020, -D4040)

The SDM-44040 contains four drives for operating two-phase bipolar step motors and the SDM-44020 contains two stepper drives.  The SDM-440×0 requires a single 12–30 VDC input.  The unit is user-configurable for 1.4 A, 1.0 A, 0.75 A, or 0.5 A per phase and for full step, half-step, 1/4 step or 1/16 step.  The SDM-44020 (-D4020) 2-axis stepper drive is $125 US in quantity 1 and $105 US/ea qty 100.

More information on the multi-axis servo and stepper drive options from Galil Motion Control can be found at the link below-

AMP-43520  http://www.servo2go.com/product.php?ID=101658&cat=

SDM-44020   http://www.servo2go.com/product.php?ID=105297&cat= For more information, please contact:


EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:   Galil, Galil Motion Control, Servo2Go, Motion Controller, Motion Control, SDM-44020, Microstep Driver, Automation, Motor Control, AMP-43520, servo amplifier, servo drive, DMC-40×0, DMC-41×3

New DMC-30016 Pocket Motion Controller from Galil Motion Control September 29, 2013

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Greenville, DE- Galil Motion Control, an industry leader in motion control technology, is announcing their latest drive option for the DMC-30000 Pocket Motion Controller Series.  The new DMC-30016 combines a single-axis motion controller with a 1.4A/phase stepper drive in a compact unit.

Galil DMC-30016 Motion Controller

Galil DMC-30016 Motion Controller

“The DMC-30016 joins the growing family of drive options for the DMC-30000 Pocket Motion Controller Series which includes the previously released DMC-30012 800W Brushless Sine Drive and DMC-30017 6A/phase Microstepping Drive”, said Lisa Wade, vice president of sales and marketing.  “Like other products in the DMC-30000 Series, the DMC-30016 offers higher performance, better power efficiency, smaller size, and a lower price than prior generation, single-axis controllers.

The new DMC-30016 controller contains a 1.4A per phase, 30V stepper amplifier which drives a two-phase bipolar stepper motor in full-step, half-step, ¼ step or 1/16 step.  The DMC-30016 is user configurable from 0.5A to 1.4A per phase in 10mA increments at 12-30 VDC.

Designed for compact size, the dimensions of the DMC-30016 controller/drive package are 3.9” x 5.0” x 1.5”, and no external heat sink is required.

Like other products in the DMC-30000 series, the DMC-30016 is higher speed than Galil’s prior generation single-axis controllers.  The 125 microsecond servo loop update time is twice as fast and the 15MHz encoder frequency and 3 MHz stepper pulse output are 25% faster.  Other features of DMC-30000 controllers include PID compensation with velocity and acceleration feedforward, non-volatile memory for user programs, multitasking for simultaneously running up to four programs, and I/O processing for synchronizing motion with external events.  Modes of motion include point-to-point positioning, position tracking, jogging, contouring, electronic gearing, ECAM, and PVT.

The DMC-30000 provides optically isolated inputs and outputs as a standard feature.  I/O include forward and reverse limit inputs, homing input, 8 uncommitted digital inputs, 4 uncommitted digital outputs, 2 uncommitted analog inputs and 1 uncommitted analog output.  Two daisy-chainable Ethernet ports are included and an external Ethernet hub is not required.  A 115 kb RS232 port is also provided.  The ability to receive inputs from two digital encoders is a standard feature.  BiSS, SSI and sinusoidal encoder input formats are available as options.

The DMC-30016 controller and stepper drive unit is $645 U.S. in single quantity and $415 US/ea in quantities of 100.  The DMC-30016 is available for immediate delivery.

In addition to the DMC-30012 controller & servo drive, DMC-30016 controller & stepper drive and DMC-30017 controller & microstepping drive packages, the DMC-30000 Series is also available as a controller-only model which can be connected to a stepper or servo motor amplifier of any power range.

More information on the DMC-30016 from Galil Motion Control can be found at the link below-

http://www.servo2go.com/product.php?ID=105334&cat=

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:   Galil, Galil Motion Control, Servo2Go, Motion Controller, Motion Control, DMC-30016, Microstep Driver, Automation, Motor Control

Trapezoidal vs Sinusoidal Brushless Servo Amplifiers May 23, 2013

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Originally posted on June 30th, 2011 by John Hayes at Galil Motion Control

Galil AMP-43540 Sinusoidal Servo Amplifier

Galil AMP-43540 Sinusoidal Servo Amplifier

The new Galil Sine drive amplifiers are a welcome addition to the existing DMC-40×0 and DMC-41×3 line-up of servo and stepper amplifiers – yet the addition of the new amplifiers also brings up a question  – “When should I use a sinusoidal drive instead of a trapezoidal drive?”.  This article will go over the Galil brushless servo drive architecture and highlight what you should know when making an amplifier selection.

Two Loop Architecture

In order to gain a better understanding of servo amplifiers and specifically how the Galil servo amplifiers work, the first thing to do is to understand the Controller/Amplifier architecture.  Unlike most single axis drives on the market, Galil uses a split sample rate.  The first and highest speed sample rate occurs on the amplifier and is used on the current loop.  The D3540 Sinusoidal amplifier runs its current loop at 33 kHz and the D3040 Trapezoidal amplifier runs at 66 kHz (which can be increased to 120 kHz for low inductance applications).  The benefits of a high speed current loop are:

  • Fast response to desired current/velocity command signal
  • Less destabilizing phase shift on the position loop
  • Tighter more accurate control – 16bit resolution
  • High Closed Loop Frequency (3-4 kHz)

The second loop in the system is the position loop.  Because of the limitations of real world mechanics, a position loop generally has a closed loop frequency in the range of 20 to 200 Hz.  The sample rate required to achieve this is only from 1 kHz to 4 kHz.  Note that the DMC-4000 can have a sample rate of up to 16 kHz and can control up to 8 axes allowing all axes to be tightly coupled.  General motion control applications run optimally at a 1 kHz position loop update.  High performance and high resolution applications can be run at higher rates depending on the required performance.

Separate processors for the Amplifier and Controller allow for this two loop Architecture which allows Galil to be extremely responsive and highly accurate and also perform whatever functions are required in a user’s application.

Trapezoidal vs. Sinusoidal Commutation

Trapezoidal commutation is the most cost effective way of controlling a brushless servo motor.  It is perfect for higher speed applications and applications where the motor and mechanics will eliminate the torque ripple that occurs during switching current from one phase to the next.  Hall sensors are required for Trapezoidal commutation.

Sinusoidal commutation is great for lower speed, direct drive or linear motor applications where the torque ripple of the motor phases needs to be minimized.  Since the current to the motor phases are weighted as sine waves, the torque going through the motor is smooth and has minimal ripple.  It also allows the mechanics to be simplified because Hall sensors can be eliminated.

Sinusoidal amplifiers rely on an initialization sequence at power-up to provide the correct commutation.  This can be done in one of 3 ways on the Galil.    The first and most common method is the BX command that uses an algorithm that energizes the phases and determines the brushless angle.  Only a small amount of motion (if any) is shown with this method.  The second method is to use the BC command that requires Hall sensors to be hooked up.  It will move the motor and use the first hall transition as the basis for the commutation.  This method is necessary if there is an external force on the motor such as a gravity load.  The third method uses the BZ command to drive the motor to the zero degree commutation point which can result in a jump to the closest zero phase.

More info on Galil Sinusoidal Amplifiers

The new AMP-43540 drives four brushless motors operating at up to 8 Amps continuous, 15 Amps peak, 20-80 VDC.  The gain settings of the amplifier are user-programmable at 0.4, 0.8, and 1.6 Amp/Volt.  The amplifier offers protection for over-voltage, under-voltage, over-current, short-circuit and over temperature. A shunt regulator option is available.  For more information, please see: DMC-40×0 Product Page .

For additional information on the DMC-40×0 Accelera Series and new AMP-43540 option, see

http://www.servo2go.com/product.php?ID=101658&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Sin/Cos Encoders and Sinusoidal Drives help Galil Controllers Achieve Ultra-Precise Motion May 18, 2013

Posted by Servo2Go.com in Technical Support Information.
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Introduction

The use of linear motors for precision motion applications has increased as technology has improved.

Galil DMC-31012 Motion Controller

Galil DMC-31012 Motion Controller

A linear motor typically uses a servo drive with sinusoidal commutation to minimize torque ripple and provide quiet smooth motion. It is also becoming more common for linear motor manufacturers to provide position feedback in the form of an analog sin/cos encoder as this method uses the signals from the motor magnets and is more cost-effective.  Galil motion controllers now provide options for sinusoidal drives and interpolation of sin/cos analog feedback for smooth control of ultra-high performance applications.

Galil controllers use an intelligent interpolation algorithm allowing inexpensive sin/cos signals to be used successfully in high-precision applications.   The AF command is used to set the analog feedback resolution at 2n counts/period. Galil drives perform sinusoidal commutation and are easily programmed using a choice of three different commutation methods.  An example showing how to configure Galil controllers and sine drives for use with linear motors with sin/cos encoders is below.

An example of a Galil Controller used with a Copley ServoTube Linear Motor

Galil’s DMC-31012 motion controller with an internal 800W sinusoidal drive and sin/cos feedback interpolation option was used  in an application with a Copley ServoTube linear motor with  sin/cos encoder. The goal was to move a stage and maintain a position accuracy of .04mm.   The stage manufacturer specified a 25.6 mm/sin feedback period for the encoder signals which is equivalent to the motor’s magnetic cycle.

The AF command was used to interpolate the analog feedback at 2n counts/period. N= 10 was used for this application.  AF 10 provided an interpolation of 1024 counts/period.  The system position resolution can be calculated using the equation below:

Resolution = 25.6mm /1024 counts = .025mm/count

.025mm/count resolution is within our target accuracy of .04mm.

It’s important to note that sin/cos feedback sensors are analog and more prone to noise compared to a digital signal. The DMC-31012 allows an AF of 12 but AF 10 was chosen because it met the accuracy specifications while minimizing the affect of noise.

There are three methods to initialize sinusoidal commutation with Galil sinusoidal drives, BI, BZ and BX.  For this application, the BZ command method was selected because it was better for high static friction. The BI command, which uses halls to initially commutate, is ideal in most cases but the Copley motor did not provide Hall sensors.

Another parameter used for commutation was the BM command.  BM is the brushless modulus of the system or the length for which one magnetic cycle completes. For the Copley ServoTube, the motor’s sin/cos period is the same length as the motors magnetic cycle.  For AF 10, the setting for BM is 1024.

Once AF, BZ and BM were configured during initialization, the controller system was tuned for optimum performance using the GalilSuite tuning software.

Galil controllers with the sin/cos feedback option and sinusoidal drives provide a good solution for controlling linear motors with a high degree of accuracy and extremely smooth commutation. Sinusoidal drives and sin/cos feedback options are available on Galil’s DMC40x0 multi-axis controller and the DMC-31012 single-axis controller.

For more detailed information, see application note #5523 “Connecting to a Linear Motor with Sinusoidal Commutation and Sin/Cos Feedback.” http://www.galilmc.com/support/appnotes/miscellaneous/note5523.pdf

For additional information on the DMC-31012 from Galil can be found at-

http://www.servo2go.com/product.php?ID=105334&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Galil DMC-40×0 Accelera Series Now Available with 2 Ethernet Ports May 2, 2013

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Galil has just released the latest model in the DMC-40×0 Accelera Motion Controller Series. There is now a -C022 option that provides two Ethernet ports for easy-daisy chaining of multiple controllers. The -C022 option is available for 1- through 8-axis versions of the DMC-40×0 motion controller. For example, DMC-4060-C022 specifies a 6-axis model with dual Ethernet ports.

Galil DMC-4000 Motion Controller

The DMC-40×0 is part of Galil’s latest generation Accelera series. Based on a powerful RISC processor Accelera controllers provide ultra high-speed with 40 microsecond command processing,  up to 32kHz servo update rates, and acceptance of encoder inputs up to 22MHz. Other features include optically isolated inputs and outputs, high power outputs for driving brakes and relays, uncommitted analog inputs, dual encoder inputs for each axis, and plenty of program memory for storing application programs.

The DMC-40×0 provides precise control of a variety of motors including brush servos, brushless servos, steppers and piezo ceramic motors. It can be easily connected to external drives of any size or to internal multi-axis drives contained within the DMC-40×0 controller.  The DMC-40×0 controllers with internal drives reduce space, cost and wiring. Table 1 shows the  multi-axis drive options available for the DMC-40×0 series.

Internal multi-axis drive options

As a combined controller and drive unit, the DMC-40×0 is compact and measures 8.1” x 7.25” x 1.72” for the 4-axis model and 11.5” x 7.25” x 1.72” for the 8-axis model. The unit accepts power from a single DC supply between 20-80VDC.

For additional information on the DMC-40×0 Accelera Series and new -C022 dual Ethernet port option, see

http://www.servo2go.com/product.php?ID=101658&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Galil Tech Talk: Master Slave Networking with multiple controllers December 7, 2012

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For users that need to expand their IO across multiple devices, Galil Ethernet based controllers have a built-in Master/Slave capability.   This means that if a system has an Ethernet based DMC motion controller yet needs to add one or more RIO units to expand the IO capability, the DMC controller can be set up to reference the RIO inputs and outputs automatically.   Likewise, if a system needs to have multiple RIO Pocket PLC units – any one of those units can be set up as the “Master” controller such that it automatically references the i/o of all of the slave units.   The only limits to this are  the number of Ethernet handles that the master RIO or DMC unit has available. (Note: use the TH command to see how many handles a particular product has available).

Galil DMC-30000 with RIO PLC

Galil DMC-30000 with RIO PLC

Here are the steps to get a Master/Slave system working with 4 RIO units (1 master and 3 slaves):

Step 1)  Connect to each RIO unit with Galil software and assign an IP address.  A helpful nomenclature is to use the last 2 digits of the controller serial number as the last field of the IP address so its easy to remember what each units IP address is.

Step 2)  Use the following code-generator and input the IP address of each of the slave units:

http://www.galilmc.com/support/downloads/dmc_code/master-with-multiple-slaves.php

click “Generate Code”.  Then copy/paste the dmc program code that is generated into the Galil software Editor when connected to the “Master” controller.  Download and Execute this code (XQ).

Step 3) In the response window, you should see the following text:

SLAVE(s) CONNECTED
Set flag=x where x is 1-6

by looking at the code, you can see that the “flag” variable controls different types of i/o requests to the slave units.   As a simple test, set flag=1 in the terminal and this will cause output 1 on each of the slave devices to start blinking every 1 second.  Use the other included routines as a starting point for controlling the slave analog and digital  i/o for your system.

More details on setting up a Modbus slave device can be found in this article:

http://www.galilmc.com/techtalk/io-control/setting-up-and-rio-as-extended-io-for-a-controller/

For more information on the RIO I/O Controller from Galil, click on the link below-

http://www.servo2go.com/product.php?ID=102190&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Check Out Our Servo Products Datasheet October 16, 2012

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Applied Motion Products is pleased to announce the release of a new, 16 page Servo Products Datasheet.  This colorful brochure details our broad servo system offering, with M and V series motors ranging from 50 to 750 watts of continuous output power and both AC and DC powered drives from our popular BLu and SV lines.  All motors include precision incremental encoder feedback. Drives can be operated in torque, velocity or positioning modes, can execute stored Q or Si programs, as well as streaming commands delivered over RS-232, RS-485, Ethernet, EtherNet/IP and CANopen communication interfaces. All systems include easy to use set up and tuning software at no cost.

Applied Motion Products Servo Products Catalog

Applied Motion Products Servo Products Catalog

Popular accessories include extension cables, break out boards, regeneration clamps and communication adapters.

For more information on the Servo Products from Applied Motion Products, click on the link below-

http://www.servo2go.com/search.php?search=Quick Tuner&D=PROD

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Galil DMC-4080 Helps Guide Remote Controlled Vehicle Used in Hyper-Realistic Military Training September 26, 2012

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There’s a big lump in the throat of the infantryman as he sees the dented, dirty sedan quickly approaching the checkpoint after exiting the bomb-riddled village and well-known terrorist stronghold.  With his M-16 poised and adrenaline rushing, he peers in to identify the driver behind the dusty windshield.  Is this the enemy?  Are these civilians?

A warning shot is fired, but the car speeds up, and shots to flatten the tires are not slowing this maniac down.  The soldier fires again.  This time, the windshield bursts and blood splatters from the driver’s forehead as the sedan screeches to a halt.

For the infantryman, he can breathe a sigh of relief.  Not only for a job well done, but because he also knows that the village and enemy combatant isn’t real—no matter how real it all seemed at the time.

The sedan is primarily made of hardened foam.  The enemy is a dummy—literally.  Even the blood isn’t real

They’re all props set up by Strategic Operations, Inc. (STOPS), a San Diego-based company specializing in creating Hyper-Realistic™ training environments for military, law enforcement and homeland security operations.  Since 2002, the company has provided such training to over 450,000 Marines, soldiers, sailors and Coast Guard personnel to prepare them for the battlefields of Iraq, Afghanistan and other hostile places.

“Our company uses movie-industry special effects along with actual military tactics, and provides everything you can think of to re-create wartime environments with hyper-realistic scenarios.  This includes props ranging from full-out villages, buildings and vehicles to live actors and realistic dummies with all the fake blood, guts and weaponry.  The purpose is to train the military by placing them in action-packed, real-life combat situations so they can respond quickly and without panic, and be prepared and sensitized for any battlefield situation,” said Kit Lavell, Executive Vice-President of STOPS.

There appears to be no limits when it comes to the level of “hyper” realism.  For example, to simulate the horror of combat wounds, the company has employed amputee actors who will wear prosthetic limbs designed to fly off with “blood” spurting when they are shot or blown-up.

“Participants (trainees) so willingly suspend disbelief that they become totally immersed and, eventually, stress inoculated,” Lavell adds.

Adding to this realism is STOPS’ Ballistic Unmanned Ground Vehicle (BUGV) used for preparing soldiers for live-fire vehicle check point/entry control point scenarios, for sniper training, and for dealing with vehicles that have been converted into mobile bombs.  It features an expendable lightweight foam body that can be designed and formed to simulate a sedan, taxi, bongo or pickup truck and more.  It rests on a ballistic steel frame capable of holding up against a barrage of real .50 caliber bullets.

Of course, no live driver sits in the BUGV; just hyper realistic foam mannequins of all nationalities.  Real people, of course, are employed to operate the vehicle via a sophisticated remote control device, with key driving functions managed by a DMC-4080 8-axis Ethernet motion controller from Galil Motion Control, Rocklin, CA.  The controller also incorporates two Galil D3040 4-axis, 500W drives with each capable of operating at voltages between 20V and 80V.

Three of the axes of the Galil controller control the steering, shifting and throttle actions, while a fourth axis is used for additional steering requirements. Another axis is used for controlling a machine gun mounted inside the vehicle and which fires blanks at the trainees.  The remaining three axes are reserved for testing and other features. STOPS uses some of the controller input/output (I/O) to operate relays that energize such functions as the ignition or turn signals.

A key factor why STOPS specified the Galil controller is its ability to function with utmost reliability inside a vehicle subject to extremely harsh conditions, like wide-ranging temperatures of -10°C to 65°C; dusty, loose and uneven terrain; real ammunition and explosives; and chemicals.

For STOPS, failure is not an option with the controller.

“The overall robustness of the Galil controller is impressive,” said Lavell, who liked how the Tell Torque feature of the DMC-4080 takes readings from the motor of the BUG-V to determine the harshness of the terrain it is on, and then delivers its findings to the remote control “driver” so he can either ease down or rev up the engine accordingly.

Other Galil features play significant roles in operating the BUGV, such as the Homing Routine and Limits feature which allows for safe power-up of the vehicle and re-centering of the wheels for each training session.

“We also use Galil’s Position Tracking Mode to send position data streams from the host to the four axes used for driving the BUGV.  The data throughput is excellent, with no issues, no latency,” said Lavell.

STOPS engineers found the native Galil programming language easy-to-use, which helped enable them to incorporate several safety routines into the operating system.  For example, whenever the controller does not receive a data stream, it goes into a fail-safe routine that brings the vehicle to a stop.

The BUGV is proving to be an effective way to prepare soldiers for combat in urban environments.  Officially referred to as “Military Operations on Urbanized Terrain” or MOUT, these are military actions planned and conducted on a terrain complex where man-made construction such as residences and buildings, along with increased population (as opposed to rural areas), affects the tactical options available to the commander.

“A checkpoint in Afghanistan is a typical MOUT scenario,” explained Lavell.  “When a vehicle approaches, the Rules of Engagement go into effect.  If the vehicle doesn’t respond to a warning shot within a certain number of meters, then there is an escalation of the response: first, fire a warning, then shoot the tires, then shoot the engine block, and then shoot the occupant.  This is quite challenging to train for because in the field the aspect ratio of the approaching vehicle is difficult to judge.  The Hyper-Realistic training simulation using the BUGV helps the training solder see what the approaching vehicle looks like at 300 meters, then 200 meters, then 100 meters and closer.”

It turns out that having the increased use of a training vehicle like the BUGV doesn’t just train soldiers to become more effective fighters, it also helps to increase their own survivability.  According to the Defense Science Board, the probability of being a casualty decreases significantly after the first few “decisive combats.”

Typically, STOPS takes a week’s time to customize a MOUT training system, including re-creating enemy villages.  “We can create real environments that look like any place in the world, such as in Afghanistan or Iraq.  The buildings and villages are not only realistic, they are modular so they can quickly be built and re-built after they’ve been shot or blown up,” said Lavell.

For more information on the Galil DMC-4080 Controller, click on the link below-

http://www.servo2go.com/product.php?ID=101658

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Galil Controller Used to Help Paraplegic Surgeon Perform Operations Again July 24, 2012

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Every so often, Galil is given the opportunity to support an application that can truly change the life of others. This last spring, Galil was contacted by a group of students from the University of Wisconsin asking for us to help them create SPOT. SPOT, which stands for “Standing Paraplegic Omni-directional Transport” is a project aimed to help Dr. Garret Cuppels, a 37-year-old orthopedic surgeon, return to the emergency room after a tragic fall in 2010 that damaged the thoracic region of his spine and left him paralyzed from the waist down. Since the SPOT device is to be used in the emergency room it had a specific set of requirements that other standard wheel chairs could not satisfy:

  • That it could comfortably place Dr. Cupples in a standing position leaving his arms free to perform surgical tasks.
  • That the design was small and extremely mobile; specifically, that the device could “side-step” or move left or right.
  • That the system be easily controlled via joystick.
  • Lastly, that brakes on each of the four wheels be automatically turned on when the device is not in use

These requirements drove the University of Wisconsin team to utilize the unique properties of Mecanum wheels1 and to seek out Galil’s small, easy-to-use, and flexible DMC-4143 four-axis motion controller. The operator of SPOT will control the vehicle using a simple joystick. The joystick outputs two 0-5V analog signals proportional to how far the user is pushing the joystick either left-and-right and up-and-down. The analog signals are connected into two of the 8 available 12-bit analog inputs on the DMC motion controller. The DMC-4143 is programed to jog each of the four Mecanum wheels motors different directions and speeds depending on this simple operator input.

The multithreaded capabilities of Galil’s products allow both analog signals to be read simultaneously allowing the jog speeds for each motor to be updated in ultra-tight loops. The team also utilized four of the 8 opto-isolated digital outputs to control the brakes. A single command, the BW (brake wait) command, is issued which automatically enables the brakes when the motors are turned off—an important safety requirement for the application.

The team’s use of engineering to assist another in need has beckoned industry wide support and national attention. The SPOT project was recently featured on WGN news which can be viewed at  http://youtu.be/ipNWTfnqVV0. As the team continues to move forward on their application they continue to receive both help from Galil Support Team and from other industry leaders. To follow the team’s progress or to make a contribution, go to the SPOT’s website at http://bmedesign.engr.wisc.edu/websites/project.php?id=464

or their sponsorship page here  http://www.fundly.com/uwbiomedicalengineeringdesign.

Galil owes a special thanks to the University of Wisconsin Team for allowing us to be involved with their project to help get Dr. Cupples back in the ER. Thank you Professor Amit Nimunkar, Michael Konrath, Bret Olson, Justin Cacciatore, Blake Marzella, and James Madsen.

For more information on the motion controls from Galil Motion Control, click on the link below:

http://www.servo2go.com/supplier.php?id=1031080104

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

2-Minute Video: How to Connect a Galil Controller to Ethernet May 16, 2012

Posted by Servo2Go.com in Product Video's.
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 2-Minute Video: How to Connect a Galil Controller to Ethernet

This instructional video shows how to easily connect a Galil controller to Ethernet. Video demonstrates how to assign an IP address and connect to the Ethernet using GalilSuite software. >> Watch video

Information Galil’s Ethernet Motion Controllers can be found at-
http://www.servo2go.com/search.php?search=Stand-Alone%20Motion%20Controller&D=PROD

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com