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The following phenomena due to impact in the bearing are found: (1) Combination oscillations of [p_f\u30fcp_b=\u03c9] and [3p_f\u30fcp_b=2\u03c9] occur in lower speed range of + (1/2)\u03c9 resonance. (2) Entertainment phenomena occur in the speed range of +(1/2)\u03c9 resonance. (3) Oscillations of \u03c9\u30fcp_f occur around the speed range of +(1/2) \u03c9 resonance with self-excited oscillation of p_f. Furthermore entrainment phenomena and coupling between self-excited oscillation of p_f and oscillation of \u03c9-p_f are explained theoretically by a similar self-excited and forced oscillation model of nonlinear van der Pol\u0027s equation.", "subitem_description_type": "Abstract"}]}, "item_10_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/9044"}]}, "item_10_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u65e5\u672c\u6a5f\u68b0\u5b66\u4f1a"}]}, "item_10_relation_43": {"attribute_name": "\u7570\u7248\u3067\u3042\u308b", "attribute_value_mlt": [{"subitem_relation_type": "isVersionOf", "subitem_relation_type_id": {"subitem_relation_type_id_text": "http://ci.nii.ac.jp/naid/110002379086/", "subitem_relation_type_select": "URI"}}]}, "item_10_rights_12": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": 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