330024e0b7
modeling of a simple single vacuum system with a pump source on each engine in a multiengine aircraft. The highest rpm engine takes priority for driving the vacuum system.
63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
// vacuum.hxx - a vacuum pump connected to the aircraft engine.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain and comes with no warranty.
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#ifndef __SYSTEMS_VACUUM_HXX
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#define __SYSTEMS_VACUUM_HXX 1
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#include <simgear/math/sg_types.hxx>
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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/**
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* Model a vacuum-pump system.
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*
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* Multiple pumps (i.e. for a multiengine aircraft) can be specified.
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*
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* Input properties:
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*
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* "rpm1"
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* "rpm2"
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* "..."
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* /environment/pressure-inhg
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* /systems/"name"/serviceable
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*
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* Output properties:
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*
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* /systems/"name"/suction-inhg
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*/
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class VacuumSystem : public SGSubsystem
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{
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public:
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VacuumSystem( SGPropertyNode *node );
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VacuumSystem( int i );
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virtual ~VacuumSystem ();
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virtual void init ();
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virtual void bind ();
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virtual void unbind ();
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virtual void update (double dt);
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private:
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string name;
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int num;
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string_list rpms;
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double scale;
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SGPropertyNode_ptr _serviceable_node;
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vector<SGPropertyNode_ptr> _rpm_nodes;
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SGPropertyNode_ptr _pressure_node;
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SGPropertyNode_ptr _suction_node;
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};
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#endif // __SYSTEMS_VACUUM_HXX
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