...Nizam Dahalan; Shuhaimi Mansor; Muhammad Haniff Shaharudin; Airi Ali Purpose The purpose of this paper is to evaluate the synthetic jet actuator design's performance based on piezoelectric diaphragms that can be appropriately used for flow separation control. Design/methodology/approach Design...

... to a first and second order electro‐mechanical actuator. Findings Dynamic performance of aeroelastic/aeroservoelastic system including time responses, system modal specifications, critical flutter speeds, and stability margins are extracted and compared with each other. Simulation results are validated...

...Ki Hoon Park; Bum Soo Yoon; Ngoc Trung Nguyen; Nam Seo Goo; Tae Sam Kang; Kwang Joon Yoon Purpose The purpose of this paper is to develop lightweight actuators in order to replace conventional hydraulic/pneumatic actuators and to apply the actuation system to a small flying vehicle. Design...

...Wissam Karam; Jean‐Charles Mare Purpose The purpose of this paper is to develop accurate model and simulation of mechanical power transmission within roller‐screw electromechanical actuators with special attention to friction, compliance and inertia effects. Also, to propose non‐intrusive...

...Bayram Celik; Firat Oguz Edis Purpose The purpose of this paper is to present a computational study to investigate the effects of rectangular cavity design of a piezoelectrically driven micro‐synthetic‐jet actuator on generated flow. Design/methodology/approach Flow simulations were done using...

..., the latest Harmonic Drive precision gears and actuators claim high levels of accuracy, high torque, high power density and a long operating life, all in lightweight and compact dimensions. By integrating a motor, gearbox, output bearing and encoder into a single,compact and lightweight unit, the FHA...

...Jean‐Charles Mare Purpose To develop structured guidelines for the synthesis of dynamic force simulators that are required for the testing of high speed aerospace actuators. To provide realistic and proven solutions at both test bench hardware and control design levels. Design/methodology...

... Limited 2001 --> Helipebs Controls Actuators Landing gear Hydraulic actuators Keywords: Helipebs Controls, Actuators, Landing gear Hydraulic Actuators from Helipebs Controls have been specified by Airbus UK,Filton for the A340-600 landing gear system test rig...

... The scope of supply comprises five triplex DDV controlled actuators to control the elevon, tailplane and rudder flight surfaces. Dowty's Wolverhampton business will work with BAE Systems Controls in Santa Monica and Teleavio in Italy to develop the complete flight control system and to provide...

... Dowty Actuators Contracts for aircraft actuation systems Keywords Dowty, Actuators TI Group's Dowty reports that it has won contracts worth $40 million to supply landing gear, brake and thrust reverser actuation systems for use on a wide range of aircraft in the fast...

... the actuators; and the number and positions of the actuators that generate the secondary noise field, which partially cancels the primary noise field, must be optimally determined. An optimization strategy for the positioning of the actuators, based on genetic algorithms (GA), is presented, assuming a fixed...

... Each of the 26 axles has two wheels whose steering is controlled by a Parker Hannifin HTR10 hydraulic rotary actuator. Positional control of each rotary actuator is provided by a proportional valve driven from an encoder mounted directly onto the actuator pinion. All 26 Parker HTR10 rotary...

...Mike O’Brien Outlines some of the features and design issues surrounding the thrust reverser actuation system (TRAS). © Company 1998 Actuators Aircraft Safety Thrust When an aircraft is making a landing approach in harsh weather and touches‐down on a wet or slippery runway...

...Terry Ford Looks at recent developments in methods of decentralising an aircraft’s hydraulic system made possible by the production of miniaturised electro‐hydraulic pumps with their own “smart” actuators. High‐lift technology on the Airbus A320 may be described as a new approach for the company...

...I. Ursu; G. Tecuceanu; F. Ursu; T. Sireteanu; M. Vladimirescu A method of designing the controller to solve the robust servomechanism problem is applied in the case of an electrohydraulic servo actuating primary flight control. This method is based on the well‐known solution consisting of two...