一种用于控制电动马达驱动的空气压缩机(2)的转速(S)的方法,该空气压缩机向车辆(1)的气动操作系统(5)供应压缩空气,其特征在于如下初步步骤:a)为空气压缩机(2)的转速(S)的不同值(Si)确定空气压缩机(2)的效率(e),空气压缩机(2)的效率(e)对应于由空气压缩机(2)产生的气动功率(P1)与给予空气压缩机(2)的功率(P0)之比;b)在所述不同值(Si)中确定一个或若干个特定值(S2、S4),对于所述值,空气压缩机(2)的效率(e)高于阈值(emin)和/或相比较地高于为那些接近所述特定值(S2、S4)的值(S1、S3)所确定的那些效率;初步步骤a)和b)优选地仅实施一次;并且特征在于如下进一步的重复步骤:c)确定从空气压缩机(2)接收压缩空气的气动操作系统(5)的空气消耗速率;d)确定空气压缩机(2)的最小转速(Smin)以获得等于或基本等于所确定的空气消耗速率的空气压缩机(2)的空气产生速率;e)确定特定值或者特定值(S2、S4)之一是否大于所确定的最小转速(Smin);f)如果没有特定值大于所确定的最小转速(Smin),则基于所述最小转速(Smin)来控制空气压缩机(2)的转速(S);g)如果仅一个特定值(S4)大于所确定的最小转速(Smin),则基于所述仅一个特定值(S4)来控制空气压缩机(2)的转速(S);h)如果多个特定值(S2、S4)大于所确定的最小转速(Smin),则确定所述多个特定值(S2、S4)中具有最佳效率的特定值(S2),并基于具有最佳效率的所述特定值(S2)来控制空气压缩机(2)的转速(S)。

    A method for controlling the rotational speed (S) of an electric motor driven air compressor (2) that supplies compressed air to a pneumatically operated system (5) of a vehicle (1), characterized by the preliminary steps of: a) determining the efficiency (e) of the air compressor (2) for different values (Si) of the rotational speed (S) of the air compressor (2), the efficiency (e) of the air compressor (2) corresponding to the ratio between the pneumatic power (PI) produced by the air compressor (2) and the power (PO) given to the air compressor (2); b) determining one or several specific values (S2, S4) among said different values (Si), for which the efficiency (e) of the air compressor (2) is higher than a threshold value (emin) and/or comparatively higher than those determined for values (SI, S3) close to said specific value(s) (S2, S4); the preliminary steps a) and b) being preferably implemented only once; and characterized by the further repetitive steps of: c) determining the air consumption rate of the pneumatically operated system (5) receiving compressed air from the air compressor (2); d) determining a minimum rotational speed (Smin) of the air compressor (2) to obtain an air production rate of the air compressor (2) that is equal or substantially equal to said determined air consumption rate; e) determining if the specific value or one of the specific values (S2, S4) is greater than said determined minimum rotational speed (Smin); f) if no specific value is greater than said determined minimum rotational speed (Smin), controlling the rotational speed (S) of the air compressor (2) based on said minimum rotational speed (Smin); g) if only one specific value (S4) is greater than said determined minimum rotational speed (Smin), controlling the rotational speed (S) of the air compressor (2) based on said only one specific value (S4); h) if a plurality of specific values (S2, S4) is greater than said determined minimum rotational speed (Smin), determining the specific value (S2) with the best efficiency among said plurality of specific values (S2, S4) and controlling the rotational speed (S) of the air compressor (2) based on said specific value (S2) with the best efficiency.


    Access

    Download


    Export, share and cite



    Title :

    用于控制电动马达驱动的压缩机的转速的方法和适于执行该方法的控制单元


    Publication date :

    2024-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS