SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY
    1.
    发明申请
    SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY 审中-公开
    弹簧复位节气门执行机构及其控制方法和节气门总成

    公开(公告)号:WO2017119834A1

    公开(公告)日:2017-07-13

    申请号:PCT/SE2016/051247

    申请日:2016-12-12

    Applicant: SCANIA CV AB

    Abstract: A spring return throttle actuator (1) including: an electric, plural-coil (C1, C2, C3), DC motor (2) having an output shaft 4, a throttle return spring (10), a gear transmission (5) connected to the output shaft, a control unit (CPU) adapted to control power supply to the DC motor (2), wherein the spring return throttle actuator (1) has a movement range between closed throttle and opened throttle. The control unit (CPU) is arranged to short-circuit at least two DC motor coils (C1, C2, C3) in order to create a DC motor return resist torque, and the return spring is balanced such that generated spring return torque over the whole movement range of the actuator does not exceed said DC motor return resist torque. The invention also relates to a method and a throttle assembly.

    Abstract translation: 弹簧复位节气门致动器(1)包括:具有输出轴4的电动多线圈(C1,C2,C3),直流电动机(2),节气门回位弹簧(10) ,连接到所述输出轴的齿轮传动装置(5),适于控制对所述DC电动机(2)的电力供应的控制单元(CPU),其中所述弹簧复位节气门致动器(1)具有闭合节气门和打开 风门。 控制单元(CPU)被布置成使至少两个DC电机线圈(C1,C2,C3)短路以便产生DC电机返回阻力矩,并且复位弹簧被平衡,使得产生的弹簧回复扭矩在 致动器的整个运动范围不超过所述DC马达回程抗蚀剂转矩。 本发明还涉及一种方法和节流阀组件。

    METHOD FOR TESTING OF TEMPERATURE SENSORS AND A TESTING DEVICE
    2.
    发明申请
    METHOD FOR TESTING OF TEMPERATURE SENSORS AND A TESTING DEVICE 审中-公开
    温度传感器和测试装置的测试方法

    公开(公告)号:WO2013085458A1

    公开(公告)日:2013-06-13

    申请号:PCT/SE2012/051347

    申请日:2012-12-06

    Applicant: SCANIA CV AB

    CPC classification number: G01K7/22 G01K15/007

    Abstract: A test device (2) for testing a temperature sensor (4), which sensor comprises a temperature-dependent resistor (R2) with a resistance R and has a negative temperature coefficient, which test device comprises a measuring unit (6) adapted to determining the resistance R of R2 at a first time t1 and calling it R t1 . The test device (2) comprises a voltage supply circuit (8), a control unit (10), a switch (12) and a calculation unit (14), and the switch (12) is adapted to being controlled by the control unit (10) so that the voltage supply circuit (8) is connected and applies to the resistor R2 at time t1 a voltage pulse (16) with a predetermined voltage amplitude U T and a predetermined duration T. The measuring unit (6) is adapted to determining the resistance R of the resistor R2 immediately after the voltage pulse (16) at a second time t2 and calling it R t2 , to determining the resistance R of R2 after time t2 and to delivering the resistance values determined to said calculation unit (14) which is adapted to determining at least one measured value of a parameter which represents the change in the resistance after time t2 and to generating on the basis of said measured value an information signal (18) which is representative of the sensor's function.

    Abstract translation: 一种用于测试温度传感器(4)的测试装置(2),该传感器包括具有电阻R的温度依赖电阻器(R2),并具有负温度系数,该测试装置包括适于确定的测量单元(6) R2的电阻R在第一时间t1并称之为Rt1。 测试装置(2)包括电压供应电路(8),控制单元(10),开关(12)和计算单元(14),开关(12)适于由控制单元 (10),使得电压供应电路(8)连接并且在时间t1向电阻器R2施加具有预定电压幅度UT和预定持续时间T的电压脉冲(16)。测量单元(6)适于 在第二时刻t2确定紧接在电压脉冲(16)之后的电阻器R2的电阻R,并调用其Rt2,以确定时间t2之后的R2的电阻R,并将确定的电阻值传送到所述计算单元(14) 其适于确定表示时间t2之后的电阻的变化的参数的至少一个测量值,并且基于所述测量值生成代表传感器功能的信息信号(18)。

    A METHOD AND A SYSTEM FOR PROVIDING AN AUXILIARY UNIT CONTROL PROFILE FOR CONTROLLING AN AUXILIARY UNIT IN A MOTOR VEHICLE
    3.
    发明申请
    A METHOD AND A SYSTEM FOR PROVIDING AN AUXILIARY UNIT CONTROL PROFILE FOR CONTROLLING AN AUXILIARY UNIT IN A MOTOR VEHICLE 审中-公开
    一种用于提供用于控制电动车辆中的辅助单元的辅助单元控制简档的方法和系统

    公开(公告)号:WO2016204669A1

    公开(公告)日:2016-12-22

    申请号:PCT/SE2016/050315

    申请日:2016-04-12

    Applicant: SCANIA CV AB

    Abstract: A method and a system (200) for providing an auxiliary unit control profile for controlling an auxiliary unit (201) in a motor vehicle (202). The method comprises receiving travelling route data relating to a travelling route of the motor vehicle and based thereon identifying an expected future travelling route. Based on said expected future travelling route and on auxiliary unit operation data, an auxiliary unit control profile for controlling said auxiliary unit during travel along the expected future travelling route is determined in a processing unit (204). The auxiliary unit control profile is outputted to a control unit (206) configured to execute the auxiliary unit control profile and control the auxiliary unit based on said auxiliary unit control profile.

    Abstract translation: 一种用于提供用于控制机动车辆(202)中的辅助单元(201)的辅助单元控制轮廓的方法和系统(200)。 所述方法包括接收与所述机动车辆的行驶路线相关的行驶路线数据,并且基于此识别预期的未来行驶路线。 基于所述预期未来行驶路线和辅助单元操作数据,在处理单元(204)中确定在沿着预期未来行驶路线的行驶期间控制所述辅助单元的辅助单元控制简档。 辅助单元控制简档被输出到被配置为执行辅助单元控制简档的控制单元(206),并且基于所述辅助单元控制简档来控制辅助单元。

    METHOD AND DEVICE FOR TESTING A LIQUID
    4.
    发明申请
    METHOD AND DEVICE FOR TESTING A LIQUID 审中-公开
    用于测试液体的方法和装置

    公开(公告)号:WO2013009240A1

    公开(公告)日:2013-01-17

    申请号:PCT/SE2012/050765

    申请日:2012-07-03

    CPC classification number: G01N29/024 G01N29/326 G01N2291/0217

    Abstract: The invention relates to a measuring device (2) adapted to testing a liquid (4) used as reducing agent in connection with exhaust cleaning for exhaust gases from a combustion engine. The device comprises a temperature sensor (6) adapted to measuring the temperature in the liquid and an acoustic velocity measuring unit (8) adapted to measuring the acoustic velocity in the liquid. The temperature sensor is adapted to determining a first temperature T1 for the liquid and to delivering on the basis thereof a temperature signal (12) to a calculation unit (10); the acoustic velocity measuring unit (8) is adapted to determining a first acoustic velocity v1 for the liquid at the temperature T1 and to delivering on the basis thereof an acoustic velocity signal (14) to the calculation unit (10). The temperature sensor (6) is further adapted to determining a second temperature T2 for the liquid and to delivering on the basis thereof a temperature signal (12) to the calculation unit (10), which is adapted to calculating the absolute value of a temperature difference ?T between T1 and T2, i.e. ΔT = ΙT1-T2 Ι, and to comparing ΔT with a predetermined threshold value T TH . If ΔT exceeds T TH , a control signal (16) is delivered to the acoustic velocity measuring unit (8) to determine a second acoustic velocity v 2 for the liquid at the temperature T2 and to deliver on the basis thereof an acoustic velocity signal (14) to the calculation unit (10), which is adapted to comparing v 1 and v 2 with respective first and second velocity reference values vref1 and v ref 2 for a reference liquid at the respective temperatures T1 and T2. On the basis of the result of the comparison an indicating signal (18) is generated to the effect that the liquid is approved if the measured values v 1 and v 2 are within approved velocity ranges for the reference values, but not approved if v 1 and v 2 are not within a said approved velocity ranges.

    Abstract translation: 本发明涉及一种测量装置(2),该测量装置适于测试与用于来自内燃机的废气的排气清洁相关的还原剂的液体(4)。 该装置包括适于测量液体温度的温度传感器(6)和适于测量液体中的声速的声速测量单元(8)。 温度传感器适于确定用于液体的第一温度T1,并基于此将温度信号(12)输送到计算单元(10); 声速测量单元(8)适于确定在温度T1下的液体的第一声速v1,并且基于该速度信号向计算单元(10)输送声速信号(14)。 温度传感器(6)还适于确定用于液体的第二温度T2,并且基于该温度信号向计算单元(10)输送温度信号(12),该温度信号适于计算温度的绝对值 T1和T2之间的差ΔT,即ΔT=ΔT1-T2,以及将ΔT与预定阈值T TH进行比较。 如果ΔT超过TTH,则将控制信号(16)传送到声速测量单元(8),以确定在温度T2下的液体的第二声速v2,并基于此传送声速信号(14 )到计算单元(10),其适于将v1和v2与相应温度T1和T2处的参考液体的相应的第一和第二速度参考值vref1和vref2进行比较。 基于比较结果,生成指示信号(18),使得如果测量值v1和v2在参考值的认可速度范围内,则液体被批准,但是如果v1和v2是 不在所述批准的速度范围内。

    METHOD FOR TESTING TEMPERATURE SENSORS AND A TESTING DEVICE
    5.
    发明申请
    METHOD FOR TESTING TEMPERATURE SENSORS AND A TESTING DEVICE 审中-公开
    测试温度传感器和测试装置的方法

    公开(公告)号:WO2013009247A1

    公开(公告)日:2013-01-17

    申请号:PCT/SE2012/050793

    申请日:2012-07-06

    CPC classification number: G01K15/007

    Abstract: The invention relates to a method for testing a temperature sensor which comprises a temperature-dependent resistor (R2). The method comprises the steps of - determining the resistance R t1 for R2, - applying to the resistor R2 a voltage pulse with a predetermined voltage amplitude U t and a predetermined duration T, - determining the resistance R t2 for R2 after the voltage pulse, - determining the absolute value of the resistance difference AR = | R t1 - R t2 |, - comparing AR with one or more threshold values (TR1, TR2,...), - generating on the basis of the result of the comparison a test signal which represents the result of the testing of the temperature sensor.

    Abstract translation: 本发明涉及一种用于测试温度传感器的方法,该温度传感器包括温度依赖电阻(R2)。 该方法包括以下步骤:确定R2的电阻Rt1, - 向电阻器R2施加具有预定电压幅度Ut和预定持续时间T的电压脉冲, - 确定电压脉冲之后的R2的电阻Rt2, - 确定 电阻差绝对值AR = | Rt1-Rt2 |, - 将AR与一个或多个阈值(TR1,TR2,...)进行比较, - 根据比较结果生成表示温度传感器测试结果的测试信号。

    TEMPERATURE MEASUREMENT SYSTEM AND METHOD FOR A TEMPERATURE MEASUREMENT SYSTEM COMPRISING AT LEAST ONE THERMOCOUPLE
    6.
    发明申请
    TEMPERATURE MEASUREMENT SYSTEM AND METHOD FOR A TEMPERATURE MEASUREMENT SYSTEM COMPRISING AT LEAST ONE THERMOCOUPLE 审中-公开
    一个温度测量系统和温度测量系统的方法,包含至少一个热电偶

    公开(公告)号:WO2011152776A1

    公开(公告)日:2011-12-08

    申请号:PCT/SE2011/050655

    申请日:2011-05-26

    Abstract: Temperature measurement system comprising at least one thermocouple with a measuring portion (2) and a reference portion (4) which presents a reference temperature TREF for the thermocouple, which system comprises a temperature measurement circuit (6) adapted to determining the temperature difference between the measuring portion and the reference portion and to determining on the basis thereof the temperature for the measuring portion. The system comprises, a temperature sensor (8) situated close to the reference portion and adapted to measuring a spot temperature T OBD , and the system further comprises a calculation unit ( 10) adapted to calculating ΔΤ = T REF - T 0BD , to comparing the absolute value of ΔΤ with one or more predetermined threshold levels (T THI , T TH2 ) and to generating a diagnosis signal ( 12) according to the result of the comparison.

    Abstract translation: 温度测量系统包括具有测量部分(2)和参考部分(4)的至少一个热电偶,该参考部分提供热电偶的参考温度TREF,该系统包括温度测量电路(6),该温度测量电路适于确定温度差 测量部分和参考部分,并且基于此确定测量部分的温度。 该系统包括:温度传感器(8),其位于靠近基准部分并且适于测量点温度TOBD,并且该系统还包括一个计算单元(10) = TREF - T0BD,比较绝对值? 具有一个或多个预定阈值电平(TTHI,TTH2),并根据比较结果产生诊断信号(12)。

    A SYSTEM AND A METHOD FOR DIAGNOSING THE PERFORMANCE OF TWO NOX SENSORS IN AN EXHAUST GAS PROCESSING CONFIGURATION COMPRISING TWO SCR UNITS
    7.
    发明申请
    A SYSTEM AND A METHOD FOR DIAGNOSING THE PERFORMANCE OF TWO NOX SENSORS IN AN EXHAUST GAS PROCESSING CONFIGURATION COMPRISING TWO SCR UNITS 审中-公开
    用于在包括两个SCR单元的排气处理配置中诊断两个氮氧化物传感器性能的系统和方法

    公开(公告)号:WO2018013039A1

    公开(公告)日:2018-01-18

    申请号:PCT/SE2017/050756

    申请日:2017-07-06

    Applicant: SCANIA CV AB

    Abstract: The invention relates to a method for diagnosing an exhaust gas processing configuration for a combustion engine (231) of a vehicle (100), said configuration comprising two SCR-units (240, 250), two NO x -sensors (243, 253) and two reducing agent dosing units (237, 247) suitably arranged, comprising the steps of: - performing a series of reducing agent dosing operations by a first reducing agent dosing unit; - comparing measured NO x -contents (NOx1, NOx2) measured by a first NO x -sensor (243) and a second NO x -sensor (253) related to said operations; and - if the respective NO x -content measured by the respective NO x -sensors during the performed reducing agent dosing operations are substantially equal, considering that the respective NO x -sensors provide a proper performance. The invention relates also to a computer program product comprising program code (P) for a computer (200; 210; 500) for implementing a method according to the invention. The invention relates also to a system for diagnosing an exhaust gas processing configuration for a combustion engine (231) of a vehicle (100) and a motor vehicle (100) equipped with the system.

    Abstract translation: 本发明涉及诊断车辆(100)的内燃机(231)的排气处理结构的方法,所述结构包括两个SCR单元(240,250),两个NO (243,253)和两个适当布置的还原剂剂量单元(237,247),所述方法包括以下步骤: - 通过第一还原剂剂量单元(237,247)执行一系列还原剂剂量给药操作, ; - 比较由第一NO x传感器(243)和第二NO X传感器(243)测量的测得的NO x x-内容物(NO x 1,NO x 2) 传感器(253)与所述操作有关; 以及 - 如果在执行的还原剂剂量操作期间由相应的NOX传感器测量的各自的NOX-内容基本相等,考虑到相应的NOX-传感器, x-传感器提供了适当的性能。 本发明还涉及一种包括用于实现根据本发明的方法的计算机(200; 210; 500)的程序代码(P)的计算机程序产品。 本发明还涉及用于诊断车辆(100)的燃烧发动机(231)和配备有该系统的机动车辆(100)的排气处理配置的系统。

    SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY
    8.
    发明申请
    SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY 审中-公开
    弹簧复位节气门执行机构及其控制方法和节气门总成

    公开(公告)号:WO2017119833A1

    公开(公告)日:2017-07-13

    申请号:PCT/SE2016/051246

    申请日:2016-12-12

    Applicant: SCANIA CV AB

    Abstract: A spring return throttle actuator (1) including: an electric, plural-coil (C1, C2, C3), DC motor (2) having an output shaft 4, a throttle return spring (10), a gear transmission (5) connected to the output shaft, a control unit (CPU) adapted to control power supply to the DC motor (2), wherein the spring return throttle actuator (1) has a movement range between closed throttle and opened throttle. The control unit (CPU) is arranged to short-circuit at least two DC motor coils (C1, C2, C3) in order to create a DC motor return resist torque, and the control unit (CPU) includes a movement monitoring circuit being arranged to monitor actuator movement forced by the throttle return spring (10) and resisted by the DC motor return resist torque. The invention also relates to a method and a throttle assembly.

    Abstract translation: 弹簧复位节气门致动器(1)包括:具有输出轴4的电动多线圈(C1,C2,C3),直流电动机(2),节气门回位弹簧(10) ,连接到所述输出轴的齿轮传动装置(5),适于控制对所述DC电动机(2)的电力供应的控制单元(CPU),其中所述弹簧复位节气门致动器(1)具有闭合节气门和打开 风门。 控制单元(CPU)被布置为使至少两个DC电机线圈(C1,C2,C3)短路以便产生DC电机回位抗蚀剂转矩,并且控制单元(CPU)包括运动监控电路 以监控由节气门回位弹簧(10)强制的致动器运动并受到直流电机回位阻力矩的抵制。 本发明还涉及一种方法和节流阀组件。

    SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY
    9.
    发明申请
    SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY 审中-公开
    弹簧复位节气门执行机构及其控制方法和节气门总成

    公开(公告)号:WO2017119832A1

    公开(公告)日:2017-07-13

    申请号:PCT/SE2016/051245

    申请日:2016-12-12

    Applicant: SCANIA CV AB

    Abstract: A spring return throttle actuator (1) including: an electric, plural-coil (C1, C2, C3) DC motor (2) having an output shaft (4), a throttle return spring (10), a gear transmission (5) connected to the output shaft, a control unit (CPU) adapted to control power supply to the DC motor (2), wherein the spring return throttle actuator (1) has a movement range between closed throttle and fully opened throttle. The control unit (CPU) includes a monitoring circuit adapted to monitor DC motor movement. The monitoring circuit is arranged to receive signals from at least one voltage sensor adapted to sense voltage induced in at least one of the DC motor coils (C1, C2, C3) during a spring forced return of the throttle, and the monitoring circuit is arranged to create a representation of DC motor movement based on said signals.

    Abstract translation: 弹簧复位节气门致动器(1)包括:具有输出轴(4)的多个线圈(C1,C2,C3)直流电动机(2),节气门回位弹簧 ),连接到所述输出轴的齿轮传动装置(5),适于控制对所述DC电动机(2)的供电的控制单元(CPU),其中所述弹簧复位节气门致动器(1)具有闭合节气门和 全开油门。 控制单元(CPU)包括适于监视DC电机移动的监视电路。 监测电路被布置为从至少一个电压传感器接收信号,该至少一个电压传感器适于感测在节气门的弹簧强制返回期间在DC电动机线圈(C1,C2,C3)中的至少一个中感应的电压,并且监测电路被布置 根据所述信号创建DC电机运动的表示。

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