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    • 1. 发明公开
    • METHOD FOR CONTROLLING A HYBRID DRIVELINE
    • 控制混合动力的方法
    • EP3119632A1
    • 2017-01-25
    • EP15765678.6
    • 2015-03-17
    • Scania CV AB
    • BJÖRKMAN, MathiasPETTERSSON, NiklasLINDSTRÖM, JohanBERGQUIST, Mikael
    • B60K6/365B60K1/02B60K6/445B60W10/06B60W10/08B60W10/26B60W20/00B60K6/40B60W10/30
    • B60W20/30B60K6/365B60K6/38B60K6/405B60K6/44B60K6/445B60K6/547B60W10/02B60W10/06B60W10/08B60W10/115B60W20/10B60W2710/0644B60Y2200/92B60Y2300/425B60Y2300/70F16H3/728F16H37/042F16H2200/2007Y02T10/6239Y02T10/6286Y10S903/911Y10S903/919Y10S903/945Y10S903/946
    • The present invention relates to a method to control a hybrid powertrain (3), to achieve a desired favourable engine speed in a combustion engine (4), arranged in the hybrid powertrain (3), wherein the hybrid powertrain (3) also comprises a gearbox (2) with an input shaft (8) and an output shaft (20); a first planetary gear (10), connected to the input shaft (8) and a first main shaft (34); a second planetary gear (12), connected to the first planetary gear (10) and a second main shaft (36); a first electrical machine (14), connected to the first planetary gear (10); a second electrical machine (16), connected to the second planetary gear (12); at least one gear pair (Gl, 60, 72), connected with the first main shaft (34), and therefore with the first planetary gear (10) and the output shaft (20); and at least one gear pair (G2, 66, 78), connected with the second main shaft (36), and therefore with the second planetary gear (12) and the output shaft (20), wherein the combustion engine (4) is connected with the input shaft (8) of the gearbox (2). The method comprises the steps: a) ensuring that two rotatable components (22, 26, 50) in the first planetary gear (10) are connected with each other; b) ensuring that all rotatable components (28, 32, 51) in the second planetary gear (12) are disconnected from each other; c) ensuring that a gear is engaged, which corresponds to the at least one gear pair (G2, 66, 78), which is connected with the second planetary gear (12), d) ensuring that the at least one gear pair (Gl, 60, 72), which is connected with the first planetary gear (10), is disconnected; e) controlling the second electrical machine (16), in such a way that a desired torque (TDrv) is achieved in the output shaft (20); f) controlling the combustion engine (4) to a desired engine speed (nice); and g) controlling the first electrical machine (14), in such a way that a desired total power consumption (PEM) for the first and the second electrical machines (14; 16) is achieved. The invention also relates to a computer program (P) to control a hybrid powertrain (3) and a computer program product comprising program code for an electronic control device (48) or another computer (53) to implement the method according to the invention.
    • 本发明涉及一种控制混合动力系(3)的方法,以实现布置在混合动力系(3)中的内燃机(4)中的期望的有利的发动机转速,其中混合动力系(3)还包括 带输入轴(8)和输出轴(20)的齿轮箱(2); 连接到输入轴(8)和第一主轴(34)的第一行星齿轮(10); 连接到第一行星齿轮(10)和第二主轴(36)的第二行星齿轮(12); 第一电机(14),其连接到所述第一行星齿轮(10); 与第二行星齿轮(12)连接的第二电机(16); 与第一主轴(34)连接并因此与第一行星齿轮(10)和输出轴(20)连接的至少一个齿轮对(G1,60,72); 和与所述第二主轴(36)并因此与所述第二行星齿轮(12)和所述输出轴(20)连接的至少一个齿轮对(G2,66,78),其中所述内燃机(4)是 与变速箱(2)的输入轴(8)连接。 该方法包括以下步骤:a)确保第一行星齿轮(10)中的两个可旋转部件(22,26,50)彼此连接; b)确保第二行星齿轮(12)中的所有可旋转部件(28,32,51)彼此分离; c)确保齿轮啮合,其对应于与第二行星齿轮(12)连接的至少一个齿轮对(G2,66,78); d)确保至少一个齿轮对(G1 ,60,72)与第一行星齿轮(10)连接,断开; e)以这样的方式控制第二电机(16),即在输出轴(20)中实现期望的转矩(TDrv)。 f)将内燃机(4)控制到期望的发动机转速(好); 以及g)以这样的方式控制第一电机(14),使得实现第一和第二电机(14; 16)的期望总功率消耗(PEM)。 本发明还涉及控制混合动力系统(3)的计算机程序(P)和包括用于实现根据本发明的方法的电子控制装置(48)或另一计算机(53)的程序代码的计算机程序产品。