Gravity Motor 2009



Company Profile

ADIDSP Prod./Tech

Revenue Graph




Business Expansion





Motors and controls



Stepper and SRM

Image processing

Ethernet camera ,Scanning camera

3D Imaging system.

Embedded products:

Class-D Public address amplifier, audio visual, sinewave inverter.

Electro mechanical

Flying car/UAV/VTOL Toy, Electric bike,

Submersible pump

Vibration system

DSP based vibration controller with class D amplifier.

Research on gravity

 & magnetism

Paper published in "Gravitation & Cosmology" proceedings,ICGA-5, 2001






Complete R & D house providing technical solutions in the field of Electronics & Electro mechanical Engineering

with Multi Disciplinary approach



S K Dynamics Pvt. Ltd. (SKD) was established in 1992 with sole purpose of pursuing R&D projects in the area of Electromechanical Engineering, Digital Signal processing, Power Electronics and System engineering

Since 1995 SKD is recognized by Department of Scientific and Industrial Research (DSIR), India as in-house R&D unit and now approved as Commercial R&D Company


SKD was stratgic partner of Analog Devices Inc. USA in the area of Motor Control

Around 2 Million Household appliances in the USA, Japan, Europe and China are working, using our Embedded Motor Control Technology



 Micro Grid Tie Inverter:

Micro Grid Tie inverter (Non-Isolated)


        Model: MGTI-1000-NI

        DC input power : 1200 W

        Input Voltage: 200 to 350 V DC

        Output Power : 1000 W

        Operating mode: stand alone, grid tie

        Isolation: No Isolation between Output and SPV

        Output voltage (Stand alone mode): 220V AC +/- 5%

        Output frequency (Stand alone mode): 50 Hz +/- 0.5Hz

        Voltage range (grid tie): 187 to 254 V AC

        Frequency range: 45 to 55 Hz

        Dimensions: 200 x 300 x 120 mm

        Weight: 3 kg approx

        Mounting: Wall Mount

        Samples will be available in Dec 2015

        Complete solution developed by S K Dynamics Pvt Ltd

        Covered by patent application

Details of invented technology protected by patent application

1.    Grid presence detection is easy

2.    Computation of Grid Voltage is simplified

3.    Computation of Grid Frequency and phase is simplified

4.    Performance of Phase Locked Loop is improved

5.    This technology eliminates reverse current from Grid to GTI

6.    Works on ARM MCU or DSP micro-controller

7.    Generally it operates without relay, relay is used as optional protection

8.    Reliability is significantly improved

9.    Good performance on small diesel alternators having voltage and frequency fluctuations

10. No hardware change required. Technology is implemented in the software

11. Overall technology is simplified using the invented technique



New Products & Projects of Y 2014:

Super Energy Efficient Ceiling Fan / BLDC ceiling fan / PMSM ceiling fan

Energy efficient window AC based on BLDC motor and automotive grade compressor

BLDC Servo Motors

Solid state relay


BLDC motor (12KW) with Integrated Control

(For Aerospace applications)

       Power 12KW, Torque 18 N-m

       Mass 20.5Kg, 2.5 Kg coolant inside

       Operative on 130 to 160V DC

       Duration 16 minutes in vacuum

       Designed for Reusable launch vehicle to run hydraulic pump with load fluctuation of 0 to max, at 7 Hz response

       First prototype delivered to Indian Space Research Organisation in Feb. 2008



High Efficiency Washing Machine Solution

Capacity 500W

The BLDC Motor & Control solution is designed to cope up with the increasing demands of Energy Efficient products & aims at reducing solution cost by nearly 20%.


A new patented technology is used to dynamically change motor parameters, thus reducing size & cost. It will be in production by December 2010.


Two separate solutions for small & large sized Washing Machines with scope for End-user customization.

BLDC Motors & Controls

( for Aerospace applications)


more information



The ADMC-326-SKD-1F Processor is an excellent choice for various Motor Control and Non-Motor applications. Based upon Analog Devices Inc.' ADMC326 Motor Control Processor, SKD-1F launched by SK Dynamics P. Ltd.-Roorkee (India) has Embedded Motor Control Drivers free-of-cost. Having 2 US patents on Motor Control to our credit, SKD provides these drivers to run motors such as PMSM, BLDC, AC Induction, Stepper and Switched Reluctance.

more information








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Products: AC Induction Motor | PMSM Sensorless Control | Servo Motor & VSD (BLDS) | Motor & VSD (PMSM ) | Induction Motor VSD | Ethernet Camera | Tracking Camera | 3 D Vision System | Audio Visual System | Class D Public Audio Amplifier |Sine wave Invertors | Flying Cars | Submersible Alternators | DSP Based Vibration Control | Universal Embedded ControllerResearch on gravity  & magnetism

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