Company Profile






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


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




Rakesh Goel


S K Dynamics




Name : Rakesh Goel

Present Designation : Managing Director & CEO

Objective: To Promote R&D activities into global market.

Qualification : Bachelor of Engineering in Electronics & Communication [Gold Medallist] from University of Roorkee, Roorkee, India in 1977.

Industrial Experience: Rakesh Goel worked as a Technical Director and Partner in an engineering firm from 1978 to 1992 where he completed various projects and developed many Test Equipments and Control Systems.
Mr. Goel has a rich experience of working directly/ Indirectly in Senior capacity with some of the leading companies of the world like Sharp, Frigdaire, Hueining, Eltronic etc since 1994.

Specialization: Motors and Motor controls, Electromechanical Engineering,
Digital Signal Processing & Processors, Embedded software, Microprocessor and Microcontrollers, Power Electronics, FPGA, Analog and Digital Electronics, System Engineering,
Prototype manufacturing capability & Product Engineering

Prevailing Projects:


Development of Gravity Motor for space application.


Development of unmanned & single seating Electrical transmission based Flying Car for Aerospace application.


Developing High Performance BLDC Motors for Electric and Hybrid vehicles, Aerospace and Machine Tool industry.


Developing solution in ACIM controls in refrigerator compressors for Tecumseh Brazil and Continuing support to Domestic market applications such as Sine Wave Inverter, PA Amplifier, 2 and 3 phase
VSD’s, and Audio Visual.

Achievements: After acquiring experience for about 15 years in Engg. industry he established a full fledged R&D organisation S K Dynamics Pvt. Ltd., in 1992. SKD is working as the strategic partner of ADI since 1994 and developing motor control solutions for them.
Mr. Goel made a major contribution in developing technological solutions for Indian Military, Space & Government.



Control System for PMSM US Patent 5,635,810 [Granted]


Improved Gate Driver Circuit and Hysteresis Circuit Therefor US Patent 5,675,276 [Granted]


Geared Permanent Magnet Synchronous Motor (India, Application No. 1884/cal/96) [Pending]


Electronic Compass (India, Application No. 1011/cal/98) [Pending]


Gravity Motor India (August 3, 2000) [India, Pending]


Gravity Motor (January 23, 2001) [US, Pending]


Electrical Transmission based Flying Car India (October 19, 2000) [India, Pending]
Paper & Thesis: (i) Flexible Speech/ Audio Coding published in Signal Processing & Published/ Underpub. Communication January 18-20, 1993 Indian Institute of Science, Bangalore, India.
(ii) Generation of Gravitational Force (ICGA-5) Oct-2001, Russian Gravitational Society

Membership : (i) Member IEEE (ii) Society of EMC Engineers
(iii)American Physical Society

The company under his leadership has been honored with prestigious Awards like
1. DSIR National award Nov 2001 for Technology export of Motor control
2. EEPC award Jan 2002 for Services Export Excellence
3. ESC award for project services in export
4. ADI award of appreciation for world’s first Washing Machine using DSP control
5. NSIC award for Electric Bicycle Technology

Technical Training imparted in: USA, Italy, Japan, China and India

Presentations on Motor Control delivered in: Brazil, France, Malaysia, China, & Korea.

Fundamental Research Work and Contribution to Physics: (i) New phenomena and concepts in Magnetism (ii) Origin of Gravitation and design of Gravity Motor (Generation of Gravitational Force) for Space applications

Personal Profile

Date of Birth : 23 May, 1958

Father’s Name : Late Shri S. P. Gupta

Present Office Address : S K Dynamics Pvt. Ltd., B5 Industrial Estate, Roorkee-247667, India
Phone : +91-1332-263616, 261131
Fax : +91-1332-264083
Email : ,
Website :

Permanent Residence Address : 400A/ 32 Civil Lines, Roorkee 247667 India,
Phone : +91-1332-272963, 274084

Developments completed in past
1974: Vibration Meter ( 1st Commercial Product )

1976: Universal Amplifier, Galvanometric Recorder, Variable Reluctance Accelerometer, Velocity Pickup

1977: Potentiometric Recorder

1979: SCR based VSD for 3 HP DC Motor, Galvanometric Rectilinear Recorder

1980: MultiChannel Master/Slave recorder, 40 KgF ED Shaker System for Vibration Testing

1982: 300 KgF ED Vibration Shaker System

1984: Vibrosinker for Pile Sinking, Strain Gauge based Transducers, Z80 based Sine Vibration Controller

1985: 700 KgF ED Shaker System, Eight Channel recorder for Satellite Tracking

1986: Vibrating Wire transducer with readout, Digital multi-channel recorder
for Electrologging

1987: Z80 based Ultrasonic Tester, PZT Transducers, 500 mm radius Centrifuge machine

1988: PC based Analyzer for circuit breakers, Linear and Rotary Optical Encoders, Bump Test Machine

1989: 2000 KgF ED Shaker System with 12 KVA Power Amplifier, DSP based Sine Vibration Controller, 4.5 m radius Centrifuge Machine

1991: Transmission Line Damper Testing Machine, DSP based Shock Controller

1992: DSP based Random Vibration Controller

1993: Microphone Testing Equipment

1994: ADSP 2101 based Motor Control

1995: DSP plus FPGA based Sensorless PMSM Control, Contribution in world’s first Motor Control Processor Design (ADMC315)

1997: Gun Control for 155 mm Field Howitzer Gun, Electric Bicycle, SR Motor Control, Stable Platform and Electronic Compass, Started Design for Gravity Motor Prototype

1998: ACIM Slip Compensation control for washing machine, ACIM vector control

1999: Completion of Washing Machine Control

2000: Air Conditioner Control (Indoor: PMSM Sensorless Control; Outdoor: vector Control), Gravity Motor Breakthrough (first weight change experienced)

2001: Experiments on Laser Deflection and Stone Impact conducted successfully, Motor and Control for Avionics Application (High Performance and Light Weight motors for Electrical Transmission based VTOL vehicle), Compact Electronic Submersible Pump (3 Inch),

2002: Universal Embedded Controller (IC SKD-1F) Class D Audio Amplifier based on ADSP 21990,12V/ 24V Home Inverter (Push Pull as well as Full Bridge type), Single Phase BLDC Motor Control, ACIM Vector Control developed for Refrigerator Compressor.


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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 Controller
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