2. Individual setting and comprehensive utilization. The precondition is the
scheme and combination form of missile power stacking, control execution,
and power supply.
3. The gains and losses of comprehensive utilization. Taking the gas turbine
electro-hydraulic energy scheme as an example, these possible negative
effects are as follows:
(a) The performance of power supply and hydraulic circuit and common
source hydraulic circuit is “interlinked” and the complex improvement
measures are taken to this end affect their relative reliability to a certain
extent.
(b) The “contradiction” between power supply and hydraulic circuit,
common source hydraulic circuit, and the improvement of each circuit
separately and its test maintenance, as well as the cross-coordination for
this purpose, often make the universality compromise mediocre.
(c) The influence of gas turbine exhaust back pressure varying with missile
flight altitude and angle of attack will result in a considerable change
range of energy output power and generator frequency, which limits the
applicability to a certain extent.
4. Source division and common source. Source separation refers to the subsystem self-sufficient energy source, as set separately. It can design the best
power matching according to its own working conditions, without energy
cross-talk interference, equipment installation, performance improvement,
test, and maintenance have greater flexibility. Common sources are usually
closely related to comprehensive utilization, and need to have certain conditions, such as “energy compatibility” between subsystems, the possibility
of structural installation, etc.
5. Constant power and variable power. This is for the control execution system
energy, and matching with the missile control trajectory condition is the
basic criterion for its design and selection.
6. Quantitative pump and variable displacement pump. Both of them are used
in circulating hydraulic system and correspond to constant power and
variable power, respectively. They are the key hydraulic components of the
two systems.
7. Excretory and circulatory. They all refer to the hydraulic source. From the
“weight, power, and time” optimum working zone of the control execution
system and its energy sources, the hydraulic energy source applicability
schemes are as follows:
(a) Short range is gas or cold gas pressurized accumulator discharge
hydraulic energy;
(b) Medium and short range are the circulating hydraulic energy of gas
turbine quantitative pump.
(c) Medium and long range are the circulating hydraulic energy of battery
electric variable displacement pump.
9.1 Electro-Hydraulic Servo Control Technology of Aircraft Gas Turbine Pump
105
scheme and combination form of missile power stacking, control execution,
and power supply.
3. The gains and losses of comprehensive utilization. Taking the gas turbine
electro-hydraulic energy scheme as an example, these possible negative
effects are as follows:
(a) The performance of power supply and hydraulic circuit and common
source hydraulic circuit is “interlinked” and the complex improvement
measures are taken to this end affect their relative reliability to a certain
extent.
(b) The “contradiction” between power supply and hydraulic circuit,
common source hydraulic circuit, and the improvement of each circuit
separately and its test maintenance, as well as the cross-coordination for
this purpose, often make the universality compromise mediocre.
(c) The influence of gas turbine exhaust back pressure varying with missile
flight altitude and angle of attack will result in a considerable change
range of energy output power and generator frequency, which limits the
applicability to a certain extent.
4. Source division and common source. Source separation refers to the subsystem self-sufficient energy source, as set separately. It can design the best
power matching according to its own working conditions, without energy
cross-talk interference, equipment installation, performance improvement,
test, and maintenance have greater flexibility. Common sources are usually
closely related to comprehensive utilization, and need to have certain conditions, such as “energy compatibility” between subsystems, the possibility
of structural installation, etc.
5. Constant power and variable power. This is for the control execution system
energy, and matching with the missile control trajectory condition is the
basic criterion for its design and selection.
6. Quantitative pump and variable displacement pump. Both of them are used
in circulating hydraulic system and correspond to constant power and
variable power, respectively. They are the key hydraulic components of the
two systems.
7. Excretory and circulatory. They all refer to the hydraulic source. From the
“weight, power, and time” optimum working zone of the control execution
system and its energy sources, the hydraulic energy source applicability
schemes are as follows:
(a) Short range is gas or cold gas pressurized accumulator discharge
hydraulic energy;
(b) Medium and short range are the circulating hydraulic energy of gas
turbine quantitative pump.
(c) Medium and long range are the circulating hydraulic energy of battery
electric variable displacement pump.
9.1 Electro-Hydraulic Servo Control Technology of Aircraft Gas Turbine Pump
105