V. Venkataramanan

Publication List Details

Period

1981 - 2009

Number

21

Co-Authors

Servo Systems, 2nd edition (2009)

Michael Polis, Zongli Lin, B. M. Chen, T. H. Lee, K. Peng, V. Venkataramanan, ...

Iwas first introduced to disk drive servo systems as a graduate student under

Composite Nonlinear Feedback Control for Linear Systems With Input Saturation: Theory and an Application (2009)

Ben M. Chen, Senior Member, Tong H. Lee, Kemao Peng, V. Venkataramanan

Abstract—We study in this paper the theory and applications of a nonlinear control technique, i.e., the so-called composite nonlinear feedback control, for a class of linear systems with actuator...

Crystal growth and characterization of a new nonlinear optical material: Urea l-Malic Acid (2003)

Dixit, VK, Vanishri, S, Bhat, HL, Gomes, Matos E De, Belsley, M, Santinha, C, ...

A new nonlinear optical organic crystal, viz. Urea L-Malic acid, has been grown from aqueous solution employing the techniques of solvent evaporation and slow cooling. The grown crystals were found...

Crystal growth and characterization of a new nonlinear optical material: Urea l-Malic Acid (2003)

Dixit, VK, Vanishri, S, Bhat, HL, Gomes, Matos E De, Belsley, M, Santinha, C, ...

A new nonlinear optical organic crystal, viz. Urea L-Malic acid, has been grown from aqueous solution employing the techniques of solvent evaporation and slow cooling. The grown crystals were found...

Discrete-time composite nonlinear feedback control with an application in design of a hard disk drive servo system (2003)

V. Venkataramanan, Kemao Peng, Ben M. Chen, Senior Member, Tong H. Lee

Abstract—In a typical disk drive servo system, two or more types of controllers are used for track seeking, track following, and track settling modes. This leads to the problem of mode switching...

Crystal growth and characterization of semiorganic nonlinear optical material: sodium p-nitrophenolate dihydrate (1998)

Brahadeeswaran, S, Venkataramanan, V, Sherwood, JN, Bhat, HL

Sodium p-nitrophenolate dihydrate (NPNa) is a new semiorganic nonlinear optical crystal. It has a d(eff) of about 1.2 times that of potassium titanyl phosphate. Large single crystals of NPNa were...

Vibrational Spectroscopic Study of the Semiorganic Nonlinear Optical Crystal Bis(thiourea)cadmium Chloride (1997)

Venkataramanan, V, Bhat, HL, Srinivasan, MR, Ayyub, P, Multani, MS

Polarized Raman and infrared spectra of bis(thiourea)cadmium chloride, a novel semiorganic nonlinear optical crystal, were recorded to determine the symmetries of molecular vibrations. The observed...

Crystal growth and physical characterization of the semiorganic bis(thiourea) cadmium chloride (1997)

Venkataramanan, V, Maheswaran, S, Sherwood, JN, Bhat, HL

Single crystals of bis(thiourea) cadmium chloride (BTCC), a novel semiorganic nonlinear optical material, were grown from aqueous solutions. The grown crystals were characterized by recording the...

Vibrational Spectroscopic Study of the Semiorganic Nonlinear Optical Crystal Bis(thiourea)cadmium Chloride (1997)

Venkataramanan, V, Bhat, HL, Srinivasan, MR, Ayyub, P, Multani, MS

Polarized Raman and infrared spectra of bis(thiourea)cadmium chloride, a novel semiorganic nonlinear optical crystal, were recorded to determine the symmetries of molecular vibrations. The observed...

Laser induced damage in zinc tris(thiourea) sulfate and bis(thiourea) cadmium chloride (1995)

Venkataramanan, V, Subramanian, CK, Bhat, HL

Laser induced damage threshold values are reported for two metal-organic complex crystals, zinc tris(thiourea) sulfate, and bis(thiourea) cadmium chloride. These crystals have single shot and...

Laser induced damage in zinc tris(thiourea) sulfate and bis(thiourea) cadmium chloride (1995)

Venkataramanan, V, Subramanian, CK, Bhat, HL

Laser induced damage threshold values are reported for two metal-organic complex crystals, zinc tris(thiourea) sulfate, and bis(thiourea) cadmium chloride. These crystals have single shot and...

Vibrational Spectroscopic Study of Zinc Tris(Thiourea) Sulphate, a New Organometallic Non-linear Optical Crystal (1994)

Venkataramanan, V, Srinivasan, MR, Bhat, HL

Vibrational spectra of zinc tris(thiourea) sulphate (ZTS), a new semiorganic non-linear optical crystal, were record- ed to determine the symmetries of molecular vibrations. The observed Raman and...

Growth mechanism, dislocation etching and mechanical properties of L-arginine phosphate and deuterated L-arginine phosphate (1994)

Venkataramanan, V, Dhanaraj, G, Bhat, HL

Single crystals of L-arginine phosphate monohydrate (LAP) and its deuterated analog (dLAP) were grown from aqueous solutions. Effect of pH variation on growth of microbes in these solutions was...

Vibrational Spectroscopic Study of Zinc Tris(Thiourea) Sulphate, a New Organometallic Non-linear Optical Crystal (1994)

Venkataramanan, V, Srinivasan, MR, Bhat, HL

Vibrational spectra of zinc tris(thiourea) sulphate (ZTS), a new semiorganic non-linear optical crystal, were record- ed to determine the symmetries of molecular vibrations. The observed Raman and...

Growth mechanism, dislocation etching and mechanical properties of L-arginine phosphate and deuterated L-arginine phosphate (1994)

Venkataramanan, V, Dhanaraj, G, Bhat, HL

Single crystals of L-arginine phosphate monohydrate (LAP) and its deuterated analog (dLAP) were grown from aqueous solutions. Effect of pH variation on growth of microbes in these solutions was...

Laser damage threshold studies in L-arginine phosphate monohydrate (1994)

Venkataramanan, V, Dhanaraj, G, Prasad, BR, Subramanian, CK, Bhat, HL

The semiorganic L-arginine phosphate monohydrate crystals were grown from aqueous solutions by slow cooling. Single shot damage threshold of LAP was measured and compared with other nonlinear...

Laser damage threshold studies in L-arginine phosphate monohydrate (1993)

Venkataramanan, V, Dhanaraj, G, Prasad, BR, Subramanian, CK, Bhat, HL

The semiorganic L-arginine phosphate monohydrate crystals were grown from aqueous solutions by slow cooling. Single shot damage threshold of LAP was measured and compared with other nonlinear...

Optical Phase Conjugation in Pure and Fe Doped $LiNbO_3$ (1990)

Venkataramanan, V, Reghunath, AT, Subramanian, CK, Narayanan, PS

Light induced refractive index modulations in photorefractive crystals can be used to advantage to obtain optical phase conjugation (OFT) through Degenerate Four Wave Mixing (DFWM). The applications...

Optical Phase Conjugation in Pure and Fe Doped $LiNbO_3$ (1990)

Venkataramanan, V, Reghunath, AT, Subramanian, CK, Narayanan, PS

Light induced refractive index modulations in photorefractive crystals can be used to advantage to obtain optical phase conjugation (OFT) through Degenerate Four Wave Mixing (DFWM). The applications...