Project(2015BAI03B00)supported by the National Key Technology R&D Program of China;Project(Z141100000514015)supported by Science and Technology Planning Program of Beijing,China;Project(SKLT12A03)supported by Tribology Science Fund of State Key Laboratory of Tribology,China
Permanent magnet tubular linear motors(TLMs) arranged in multiple rows and multiple columns used for a radiotherapy machine were studied. Due to severe volumetric and thermal constraints, the TLMs were at high risk of...