公开(公告)号：WO2017209681A1

公开(公告)日：2017-12-07

申请号：PCT/SE2017/050573

申请日：2017-05-30

Applicant: ROTOTEST INTERNATIONAL AB

Inventor： ENGSTRÖM, Nils G ,  FÄRNLUND, Jonny ,  ENGSTRÖM, Christian

IPC: G01M17/007 ,  G01M15/00 ,  G01M17/00

Abstract: The present invention relates to a vehicle dynamometer system for dynamometer testing of a vehicle (100), comprising at least one dynamometer test unit (110, 111) having a power source (201), the power source (201) comprising an output shaft (202) arranged for, in use, rotation with a vehicle wheel shaft (105, 106), the system further comprising an adapter plate, said adapter plate comprising means for allowing fixed connection to a wheel hub (203) of a wheel shaft (105, 106) being tested, said adapter plate further comprising means for allowing fixed connection of the adapter plate to the output shaft (202) of said dynamometer test unit (110, 111) to thereby connect the output shaft (202) of the dynamometer test unit (110, 111) to said wheel shaft (105, 106). The adapter plate (204) is designed such that, when fixedly connected to said wheel hub (203) but disconnected from said dynamometer test unit (110, 111), said adapter plate (204) is arranged to support the vehicle (100) to allow relocation of said vehicle (100) while supported by said adapter plate (204).

Abstract translation: 本发明涉及一种用于车辆（100）的测功机测试的车辆测功机系统，其包括具有电源（201）的至少一个测功机测试单元（110,111），电源 （201）包括布置成在使用中与车轮轴（105,106）一起旋转的输出轴（202），所述系统还包括适配板，所述适配板包括用于允许固定连接到轮毂的装置（ 所述转接板还包括用于允许所述转接板与所述测功机测试单元（110,111）的输出轴（202）固定连接的装置，从而将所述输出轴（105,106）的输出端 测功机测试单元（110,111）的轴（202）与所述轮轴（105,106）连接。 所述适配器板（204）被设计为使得当固定地连接到所述轮毂（203）但与所述测功机测试单元（110,111）断开时，所述适配器板（204）被布置成将所述车辆（100）支撑到 允许所述车辆（100）的移位，同时由所述适配器板（204）支撑。

公开(公告)号：WO2015088429A1

公开(公告)日：2015-06-18

申请号：PCT/SE2014/051472

申请日：2014-12-09

Applicant: ROTOTEST INTERNATIONAL AB

Inventor： ENGSTRÖM, Nils G. ,  FÄRNLUND, Jonny ,  ENGSTRÖM, Christian

IPC: G01M17/007 ,  G01M15/00

CPC classification number: H02P29/62 ,  G01M17/0074 ,  H02H9/041 ,  H02K15/125 ,  H02P29/64

Abstract: The present invention relates to a method for use in dynamometer testing of a vehicle (100), the vehicle (100) including at least a first wheel shaft and at least one first vehicle power source for providing power to said first wheel shaft, said first wheel shaft being connected to a vehicle dynamometer system, said vehicle dynamometer system comprising a first controllable dynamometer power source (201) for providing power to said first wheel shaft, said first dynamometer power source being an electrical machine (201) comprising a stator and a rotor, said stator comprising a stator winding. The method includes: - determining whether a first temperature ( T 1 ) is below a first temperature limit ( T lim1 ), and - heating said electrical machine (201) by applying a current ( I heat ) to said stator winding when said first temperature ( T 1 ) is below said first temperature limit ( T lim1 ).

Abstract translation: 本发明涉及一种在车辆（100）的测力计测试中使用的方法，所述车辆（100）至少包括第一轮轴和用于向所述第一轮轴提供动力的至少一个第一车辆动力源，所述第一 所述车辆测力计系统包括用于向所述第一轮轴提供动力的第一可控测力计动力源（201），所述第一测功机动力源是包括定子和 转子，所述定子包括定子绕组。 该方法包括： - 确定第一温度（T 1）是否低于第一温度极限（T lim1），以及 - 当所述第一温度（T lim1）在所述第一温度 （T 1）低于所述第一温度极限（T lim1）。

公开(公告)号：WO2019151934A1

公开(公告)日：2019-08-08

申请号：PCT/SE2019/050079

申请日：2019-01-31

Applicant: ROTOTEST INTERNATIONAL AB

Inventor： ENGSTRÖM, Christian ,  ENGSTRÖM, Nils G ,  FÄRNLUND, Jonny

IPC: G01M17/007 ,  G01M15/00 ,  G01M17/00

Abstract: The present invention relates to a dynamometer test unit configured for use in a vehicle dynamometer system for dynamometer testing of a vehicle, the dynamometer test unit being configured to be connected to a wheel shaft of a vehicle, the dynamometer test unit comprising a power source having a stator and a rotor and being configured to, during testing, apply torque to a wheel shaft of the vehicle being tested, the power source being carried by a stator support, the stator being journaled in relation to the stator support, the dynamometer test unit further comprising means for measuring torque comprising an elastic strip, wherein the elastic strip connects the stator to the stator support, thereby restraining relative rotational movement between stator and stator support, and configured to transfer force between the stator and stator support, the elastic strip being firmly secured in a manner such that it is subjected to homogenous tensile prestress in a longitudinal direction of the elastic strip.

公开(公告)号：WO2018212700A1

公开(公告)日：2018-11-22

申请号：PCT/SE2018/050489

申请日：2018-05-11

Applicant: ROTOTEST INTERNATIONAL AB

Inventor： ENGSTRÖM, Christian ,  ENGSTRÖM, Nils G ,  FÄRNLUND, Jonny

IPC: G01M17/007 ,  G01M15/00 ,  G01M17/06

Abstract: The present invention relates to a method for use in dynamometer testing of a vehicle (100) having a steering mechanism for changing steering angle of at a wheel hub (203) connected to a first wheel shaft, the method including: - in use, applying a torque to said first wheel shaft using a first controllable dynamometer power source (201) of a vehicle dynamometer test unit (110, 111) rigidly connected to said wheel hub (203), - wherein a change of steering angle of said wheel hub (203) rotates said rigidly connected first dynamometer test unit (110, 111), characterized in the method including, when changing steering angle of said wheel hub (203): - applying an external force acting on the dynamometer test unit (110, 111) to influence force required by the vehicle steering mechanism to change steering angle of said wheel hub (203).

公开(公告)号：WO2015152804A1

公开(公告)日：2015-10-08

申请号：PCT/SE2015/050383

申请日：2015-03-30

Applicant: ROTOTEST INTERNATIONAL AB

Inventor： ENGSTRÖM, Christian ,  ENGSTRÖM, Nils G ,  FÄRNLUND, Jonny

IPC: G01M17/007 ,  G01M15/00

CPC classification number: G01M17/007 ,  G01M13/025

Abstract: The present invention relates to a method for use in dynamometer testing of a vehicle powertrain component or a vehicle (100), a dynamometer power source (201) of a vehicle dynamometer system being connected to an output shaft of a vehicle powertrain component or a vehicle wheel shaft, said dynamometer system being arranged to measure a reaction load and said method including, when testing: determining a first measure of a first reaction load of said first dynamometer power source, determining an influence of moment of inertia on said first measure of said first reaction load, and compensating said first measure of said first reaction load by said determined influence of moment of inertia.

Abstract translation: 本发明涉及一种用于车辆动力总成部件或车辆（100）的测力计测试的方法，车辆测力计系统的测力计电源（201）连接到车辆动力总成分或车辆的输出轴 所述测力计系统被布置成测量反作用力，并且所述方法包括：当测试时：确定所述第一测力计动力源的第一反作用载荷的第一测量，确定惯性矩对所述第一测力计动力源的所述第一测量的影响 第一反应负载，并且通过所确定的惯性矩的影响来补偿所述第一反应负载的所述第一测量。