1
CONTROLTRIXWE HELP YOU TO MEET YOUR SPECIFICATIONS
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OUR SERVICESPRESENTED BY CONTROLTRIX
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R & D
Services &
consulting
Motor
Drives
Power
electronics
Control
systems
DSP &
Signal
Processing
Analytics
Simulation
...
4
Insight
We leverage our
experience to solve
your specific
problems
We are committed
to speedy execution
Speed
Accuracy
A...
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HW Consulting
Provide inputs to HW designers
to meet cost and performance
targets
FW design n dev.
Design and develop Fi...
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1
2
3
45
6
7
8
Generic Motor control
DSP based Control of PMSM, ACIM, BLDC,
BDC, STEPPER , SR motors, sensored,
sensorle...
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CASE STUDY
Dspic based 0.5 to 20 KVA scalable UPS firmware
Product firmware Features/Algorithmic Challenges
• 20 KVA pur...
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PROJECT
PMSM servo motor control
Product firmware Features
/Algorithmic Challenges
•Machine tool industry application
•P...
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PROJECT
Single stage grid connected solar inverter
Product firmware Features /Algorithmic Challenges
• Boost + inverter ...
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OUR TEAMPRESENTED BY CONTROLTRIX
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WHO WE ARE
…KNOW MORE ABOUT US
Anusheel Nahar
•MS univ wisconsin madison ,USA
•Holds 1 patent
•Expert in motor drives, ...
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THANKS FOR
SEEINGPRESENTED BY CONTROLTRIX
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controltrix - we make control solutions easier

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We provide Research and development services in power electronics, motor drives and control system domain. We have decades of experience in solving challenging technical problems. Leverage our expertise and get solution to your problems.
For more details visit controltrix.com

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controltrix - we make control solutions easier

  1. 1. 1 CONTROLTRIXWE HELP YOU TO MEET YOUR SPECIFICATIONS
  2. 2. 2 OUR SERVICESPRESENTED BY CONTROLTRIX
  3. 3. 3 R & D Services & consulting Motor Drives Power electronics Control systems DSP & Signal Processing Analytics Simulation Embedded Firmware WHAT WE DO …OUR DOMAIN EXPERTISE SPANS WIDE AREAS
  4. 4. 4 Insight We leverage our experience to solve your specific problems We are committed to speedy execution Speed Accuracy Accuracy is our primary strength. We strive for defect free delivery Every project is different and needs specific solution Customized solution Competitive prices We keep our overheads low so you get best prices Fanatical support ensures post project modification is possible Support WHY US …YOU CAN RELY ON US
  5. 5. 5 HW Consulting Provide inputs to HW designers to meet cost and performance targets FW design n dev. Design and develop Firmware for embedded systems and Simulation Perform simulations to predict the performance Analysis Analyze system data and simulation results Control design Design of control system for later implementation using analog or fixed or floating point DSC Implementation Implementation of control algorithms to meet performance, Technology review Research and analysis of technology and suitability for a particular problem Performance Performance analysis and insights into meeting /improving it HOW WE CAN HELP …OUR SERVICES
  6. 6. 6 1 2 3 45 6 7 8 Generic Motor control DSP based Control of PMSM, ACIM, BLDC, BDC, STEPPER , SR motors, sensored, sensorless estimation algorithms Chargers Multi Chemistry smart battery charger Generic Power control Inverters, power converters, DC-DC converters, AC-DC power factor single phase, 3 phase, SCR rectifiers (upto 20 KVA), offline & grid connected solar/ inverters Stabilization Gimbal control for UAV camera requiring exacting stability reqs using IMU Servo control PMSM servo motor control for machine tool Involving high inertia rise time, fall time ,overshoot , trajectory generation challenges UPS High Stiffness control of sync. online UPS to suport non linear and leading and lagging loads (20 KVA) Signal Processing Extreme noise tolerance (<+/-1uV) multi thermocouple based DAQ using DSP filtering. Concept design High accuracy ultrasonic non invasive flow meter based on improving prior art WHAT WE HAVE DONE …OUR TRACK RECORD
  7. 7. 7 CASE STUDY Dspic based 0.5 to 20 KVA scalable UPS firmware Product firmware Features/Algorithmic Challenges • 20 KVA pure sinewave online UPS • 0.8 pf leading and lagging linear loads • THD < 3% for linear load and 5% for non linear loads • Instantaneous control / Fast response • Synchronizing with grid at all times • Fault handling ( fast and slow) • Paralleling • Scalable parametrized firmware • Support highly non linear load • Inherent protection against dc voltage application to transformer which causes saturation • 50 Hz PT based isolated voltage feedback ( challenge to handle the control when PT based feeback is directly relied on) • Firmware Spike and noise suppression in feedback for proper control • 0.1 V resolution in the range
  8. 8. 8 PROJECT PMSM servo motor control Product firmware Features /Algorithmic Challenges •Machine tool industry application •Position control •Field weakening with 3X speed •Optimal torque generation under field weakening •Tough specs on settling time with a extremely high inertia load •Overshoots and jerks are absolutely prohibited for this requirement •Smooth trajectory generation for very small to large spans •Various modes of operation •High bandwidth controller with variable (inertia) and dynamic load with gravity playing an important role as well. Actual results : 3 Nm , 3000 rpm , 400 V DC PMSM motor + inertial load 5X with servo control drive running only on fixed point DSP/math Red : velocity , Blue : position for 30 degree movement span Note the smooth position plot without jerks or overshoots. The small spikes on red plot are measurement artefacts
  9. 9. 9 PROJECT Single stage grid connected solar inverter Product firmware Features /Algorithmic Challenges • Boost + inverter topology • H bridge based grid feed • Dual MPPT for dissimilar panels • 250 to 2KW scalable design • 4 quadrant operation • Current THD < 5% , PF ~ 0.99 • Automatic grid synchronization • Power Transformerless design • Isolation
  10. 10. 10 OUR TEAMPRESENTED BY CONTROLTRIX
  11. 11. 11 WHO WE ARE …KNOW MORE ABOUT US Anusheel Nahar •MS univ wisconsin madison ,USA •Holds 1 patent •Expert in motor drives, control, power electronics , embedded •10+ years industry R&D experience •Founder and CEO controltrix Controltrix Since 2011 providing R &D services to industry in related areas Shimolee Product design NID, Ahmedabad MS sustainability , Illinois Institute of Technology, USA 8+ yrs experience in usability, product design and sustainability . Contact Controltrix #775 9th main HBR layout Bangalore 560043 W: www.controltrix.com E: consulting@controltrix.com
  12. 12. 12 THANKS FOR SEEINGPRESENTED BY CONTROLTRIX

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