A position detection system includes a detection body provided with a magnetic field generation section for generating an alternating magnetic field and a permanent magnet, a plurality of detection coils for detecting an alternating magnetic field to output a plurality of detection signals, a plurality of detection coils A magnetic field generating source which is disposed on the side opposite to the detection target area of the detecting body with respect to the predetermined surface and generates a magnetic field for guiding the sensing body and at least one of the position and the attitude of the magnetic field generating source At least a part of the magnetic field generating source or the driving mechanism is composed of a conductor for generating an interference magnetic field, a guiding magnetic field control device for controlling the operation of the driving mechanism, a driving mechanism And a position detection calculation device that calculates at least one of a position and an attitude of the detection object by using at least one of a position and an attitude of the electric conductor determined based on the control signal of the detection object.位置検出システムは、交番磁界を発生する磁界発生部と、永久磁石とが設けられる検知体と、交番磁界を検出して複数の検出信号を出力する複数の検出コイルと、複数の検出コイルが配設される所定の面に対して検知体の検出対象領域の反対側に配置され、検知体の誘導用磁界を発生する磁界発生源と、磁界発生源の位置及び姿勢の少なくともいずれかを変化させる駆動機構とを有し、磁界発生源又は駆動機構の少なくとも一部が干渉磁界を発生する導電体からなる誘導用磁界発生装置と、駆動機構の動作を制御する誘導用磁界制御装置と、駆動機構の制御信号に基づいて決定する導電体の位置及び姿勢の少なくともいずれかを用いて検知体の位置及び姿勢の少なくともいずれかを算出する位置検出演算装置と、を備える。
