10 Questions
What is the purpose of the rudder control system described in the passage?
The rudder control system provides electrical and mechanical control of the rudder, as well as fault monitoring and annunciation.
What are the two types of actuators used in the rudder control system?
The upper actuator is an EHSA actuator and the lower rudder actuator is an EBHA actuator.
How are the Flight Control Computers (FCCs) connected to the Remote Electronics Units (REUs)?
The FCC No. 1 provides two bidirectional ARINC 429 (BD429) buses to each REU, and the FCC No. 2 provides one bidirectional bus to the EBHA REU and one unidirectional bus to the EHSA REU.
What is the purpose of the Motor Control Electronics (MCE) in the EBHA system?
When the EBHA is commanded into active mode with normal hydraulic power, the REU and MCE energize a torque motor that moves the two-position solenoid operated valve into the active position.
How are the EHSA and EBHA actuators configured in terms of bus interfaces?
The EHSA has one R/T bus interface and one R-only bus interface, while the EBHA is configured with two R/T bus interfaces.
What is the power source for the EBHA actuator?
The EBHA is powered by the 28 Vdc Uninterruptible Power Supply (UPS) bus.
What is the purpose of the two-position solenoid operated valve in the EBHA system?
The two-position solenoid operated valve is moved into the active position by the REU and MCE when the EBHA is commanded into active mode with normal hydraulic power.
How are the two rudder actuators configured in normal operation?
In normal operation, the rudder surface is electrically controlled by two actuators in active / active configuration, where both actuators are simultaneously pressurized and active.
What is the purpose of the fault monitoring and annunciation in the rudder control system?
The rudder control system provides fault monitoring and annunciation, in addition to electrical and mechanical control of the rudder.
Which hydraulic system provides pressure to the EBHA actuator?
The EBHA actuator receives hydraulic pressure from the right hydraulic system.
Test your knowledge on the systems and components of the Gulfstream G650ER by analyzing a passage from its system description manual. Explore topics like circuit breakers, data buses, and electronic control units.
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