Ideal Angular Velocity Source
Ideal angular velocity source in mechanical rotational systems
Simscape / Foundation Library / Mechanical / Mechanical Sources
The Ideal Angular Velocity Source block represents an ideal source of angular velocity that generates velocity differential at its terminals proportional to the input physical signal. The source is ideal in a sense that it is assumed to be powerful enough to maintain specified velocity regardless of the torque exerted on the system.
Connections R and C are mechanical rotational conserving ports. Port S is a physical signal port, through which the control signal that drives the source is applied. The relative velocity (velocity differential) across the source is directly proportional to the signal at the control port S. The entire variety of Simulink® signal sources can be used to generate the desired velocity variation profile.
The block positive direction is from port R to port C. This means that the velocity is measured as ω = ωR – ωC, where ωR, ωC are the absolute angular velocities at ports R and C, respectively, and torque through the source is positive if it is directed from R to C. The power generated by the source is negative if the source delivers energy to port R.
S — Control signal, rad/s
Physical signal input port, through which the control signal that drives the source is applied.
R — Rod
Mechanical rotational conserving port associated with the source moving part (rod).
C — Case
Mechanical rotational conserving port associated with the source reference point (case).
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Introduced in R2007a