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Penetration Control with Laser Power Actuation

A Multi-Channel Power Controller for Actuation and Control of Shape Memory Alloy Actuators.

A Multi-Channel Power Controller for Actuation and Control of Shape Memory Alloy Actuators.

... of actuation mainly include electromagnetic motors and hydraulic/pneumatic ...robotics, power plants, ...of actuation such as Shape Memory Alloys, Piezoelectric actuators and Electro-Active Polymers, ...

140

Penetration depth control using an optical spectroscopic
sensor in ND:Yag laser welding

Penetration depth control using an optical spectroscopic sensor in ND:Yag laser welding

... the Laser material interaction zone is measured in order to produce a spectral signal which monitors a predefined weld defect ...the Laser power is used as a control ...Loop control of ...

95

Synthetic jet actuation for load control

Synthetic jet actuation for load control

... actuator power is 175 W per meter ...the actuation frequency is very high, it is virtually ‘invisible’ to the structure: the natural frequencies of wind turbine blades are much ...without actuation ...

12

EMP control and characterisation on high-power laser systems

EMP control and characterisation on high-power laser systems

... CONCLUSION Control and characterisation of EMP emission at the VULCAN TAW facility has been achieved through the alteration of laser, target foil and stalk/mount charac- ...applied laser energy, but ...

8

Actuation, Sensing And Control For Micro Bio Robots

Actuation, Sensing And Control For Micro Bio Robots

... provides an alternative path to microfabricating organic signal processors, power sources, and memory units. In Chapter 4, we use bacteria attached to microstructures to create un-tethered mi- crobiorobots with ...

140

Structural control using regenerative force actuation networks

Structural control using regenerative force actuation networks

... no power flow associated with parameter g ...the power flow of the ...Their control parameters do not have significant power flow associated with ...

166

Actuation technology for flight control system on civil aircraft

Actuation technology for flight control system on civil aircraft

... drive power sources, it is selected to replace centralised hydraulic system ...the power generator, which is replaced by an EMP in the localised hydraulic ...as power generator and one RAT for backup ...

176

3.3V, 2.7Gbps SDH/SONET LASER DRIVER WITH AUTOMATIC POWER CONTROL

3.3V, 2.7Gbps SDH/SONET LASER DRIVER WITH AUTOMATIC POWER CONTROL

... The device accepts differential PECL or LVDS data and clock inputs. It provides programmable bias and modulation currents for driving a laser. The modulation output of SY88952L can be DC-coupled to drive the ...

7

Low Power Valve Actuation Using Trans-Permanent Magnetics

Low Power Valve Actuation Using Trans-Permanent Magnetics

... Low Power Valve Actuation using Trans-Permanent ...in power electronics, microprocessors and digital control strategies, and the continuing demand for higher performance motion control ...

100

Effects of VSM convertor control on penetration limits of non-synchronous generation in the GB power system

Effects of VSM convertor control on penetration limits of non-synchronous generation in the GB power system

... wind power or be deeply ...the control systems, ensuring interactions with other plant/control systems are minimized, makes it an ideal candidate for “fit & forget” deeply embedded ...

8

An intelligent prosthetic hand using hybrid actuation and myoelectric control

An intelligent prosthetic hand using hybrid actuation and myoelectric control

... average power spectrum for each signal at differ- ence scales of ...signal power or amplitude and is obtained by Equation 6.1. The power spectrum of the total signal reveals the compo- nent of the ...

219

Optimal fault-tolerant flight control for aircraft with actuation impairments

Optimal fault-tolerant flight control for aircraft with actuation impairments

... different power sources are used for the control surface ...electric power sources are used on the ...engine power also pressurizes the hydraulic circuits and supplies the electric ...

208

Effects of Different Shielding Gases and Power Waveforms on Penetration Characteristics and Porosity Formation in Laser Welding of Inconel 690 Alloy

Effects of Different Shielding Gases and Power Waveforms on Penetration Characteristics and Porosity Formation in Laser Welding of Inconel 690 Alloy

... In laser welding, the nature of the shielding gas and the output power waveform play an important role in minimiz- ing the weld porosity and increasing the penetration ...average power of ...

8

Melt pool vorticity in deep penetration laser material welding

Melt pool vorticity in deep penetration laser material welding

... the laser beam perpendicular to the surface and moving at a velocity V 0 along ...The laser beam-welding problem is assumed to be at a quasi-steady ...

15

A Control System Based on Microprocessor and FPGA for 1470nm High power Semiconductor Laser

A Control System Based on Microprocessor and FPGA for 1470nm High power Semiconductor Laser

... semiconductor laser has been widely used in industrial, commercial, scientific research, information, military and medical aspects due to its advantages such as light weight, small size, high efficiency, stable ...

6

Power System Transient Stability Analysis with High Wind Power Penetration

Power System Transient Stability Analysis with High Wind Power Penetration

... wind power generation ...robust control procedure, SCIGs are more sensitive to wind speed variations rather than DFIGs and mechanical parameters like wind turbine inertia constant and shaft stiffness ...

7

Closed-Loop Control of Local Magnetic Actuation for Robotic Surgical Instruments

Closed-Loop Control of Local Magnetic Actuation for Robotic Surgical Instruments

... LMA actuation strategy is intended to replace an onboard high speed/low torque rotational actuator, we aim to control the angular velocity at the ...mechanical power is transferred to the driven ...

15

Modeling and Control of a Magnetostrictive System for High Precision Actuation at a Particular Frequency

Modeling and Control of a Magnetostrictive System for High Precision Actuation at a Particular Frequency

... proper control algorithm, this actuator could be applied as a fast tool servo driven system, which is specifically designed for turning non-round ...the power and fast response of a magnetostrictive ...

126

Application of Sensing & Actuation for Online Hybrid Testing of Structural Control Devices

Application of Sensing & Actuation for Online Hybrid Testing of Structural Control Devices

... real-time control system. Due to the computational power of the dSpace TM system, fairly complex structural models can be used with no delays for data ...

6

Active control of a stalled airfoil through steady or unsteady actuation jets

Active control of a stalled airfoil through steady or unsteady actuation jets

... tion control with a dielectric barrier discharge plasma actuator at the leading edge of a thick airfoil (NACA 0021), Corke et ...level power input ...separation control with two ...

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