改善悬架系统的技术研发探讨

AndrewMiddletonAnthonyBestDynamicsLtd.ABD,seatofthepants(K&C),K&C(K&C)K&CK&CK&CK&CK&CK&C,K&C200SPMMK&C1K&C—SPMM2SPMMK&CSPMMX-YSPMM3-4,K&C,SPMMSPMMK&CK&C3SPMM:“”SPMMSPMMSUV,,,,49455ISO7401Steeringwheelangle,Sinesweeptest-60-40-20020406080100024681012141618TimesecsSteeringwheelangledegrees.206Rollratevstime,sinesweeptest-20-15-10-505101520024681012141618Timesecs.rollratedegrespersecond207121.3HzmotionpackSteeringangleversustimeSteeringefforttest-600-400-200020040060005101520253035TimesecsSteeringangledegrees8—Steeringwheeltorqueversustime-15-10-505101505101520253035TimesecsTorqueNm9—Velocityversustorque,Steeringefforttest-250-200-150-100-50050100150200250-15-10-5051015SteeringwheeltorqueNmSteeringwheelvelocitydegreespersec10—.,,,,SteeringwheelangleversustimeSteeringcatchuptest-200-150-100-50050100150200024681012141618TimesecsWheelangledegrees2011Steeringwheelvelocity,catchuptest-1500-1000-500050010001500024681012141618TimesecsSteeringwheelvelocitydegrees/sec2012—SteeringcolumntorqueversustimeCatchuptest-60-40-200204060024681012141618TimesecsSteeringcolumtorqueNm2013—15151717,800/14—15—1016—17—18—19—20—,21.3050N27322NHTSASUV“”NCAPNHTSA“”motionpackGPS2cmSteeringwheelangle,rollstabilitytriggered-400-300-200-100010020030040000.511.522.533TimesecsSteringwheelangledegrees.523,Vehiclepath,Rollstabilitytest-11.5-11-10.5-10-9.5-9-8.5-8202530354045505560XpositionYposition24,YRollanglerollstabilitytriggered-4-3-2-101234500.511.522.53TimesecsRollangledegrees3.526Rollrate,Rollstabilitytriggered-20-15-10-505101500.511.522.533TimesecsRollratedegreespersec..527NHTSA“motionpack()”motionpack,“motionpack”“motionpack”“motionpack”,,,.,K&CK&C1SPMMSteeranglechangeAxlesteerCamberchange2.MOTIONPACKXYZ