The invention discloses a
transmission line oscillation
positioning system based on micro inertial measurement combination. The
transmission line oscillation
positioning system comprises a monitoring center and a pole and
tower monitoring
host machine which are connected with each other, wherein the pole and
tower monitoring
host machine is wirelessly connected with at least two
wireless inertialsensor nodes; and each
wireless inertial
sensor node comprises a triaxial acceleration sensor and a triaxial
gyroscope. By the method for positioning by adopting the
system, the
wireless inertial sensor nodes acquire acceleration values and
state space angles of a lead wire monitoring point in three directions; the monitoring center processes and analyzes the data of each monitoring point by adopting algorithms, such as Fourier transformation, a least square method, digital filtering, Kalman filtering, matrix coordinate transformation,
frequency domain integral operation so as to fit to acquire an oscillation trace of a whole line, and corrects the oscillation line according to a digital model of a relation between an oscillation characteristic value and a micro meteorological condition; therefore, the precision of oscillation monitoring is improved and the most direct and intuitive monitoring of
transmission line oscillation can be realized.