WO2011122327A1 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

Info

Publication number
WO2011122327A1
WO2011122327A1 PCT/JP2011/056024 JP2011056024W WO2011122327A1 WO 2011122327 A1 WO2011122327 A1 WO 2011122327A1 JP 2011056024 W JP2011056024 W JP 2011056024W WO 2011122327 A1 WO2011122327 A1 WO 2011122327A1
Authority
WO
WIPO (PCT)
Prior art keywords
digital signal
signal data
sensors
converter
control
Prior art date
Application number
PCT/JP2011/056024
Other languages
English (en)
Japanese (ja)
Inventor
阿相竜治
太一 結城
Original Assignee
株式会社ケーヒン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ケーヒン filed Critical 株式会社ケーヒン
Priority to CN2011800116125A priority Critical patent/CN103238132A/zh
Publication of WO2011122327A1 publication Critical patent/WO2011122327A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H03M1/122—Shared using a single converter or a part thereof for multiple channels, e.g. a residue amplifier for multiple stages
    • H03M1/1225—Shared using a single converter or a part thereof for multiple channels, e.g. a residue amplifier for multiple stages using time-division multiplexing

Definitions

  • the present invention relates to a control device that controls electric parts of a vehicle, and more particularly, to a control device including an analog / digital converter that converts an analog signal into a digital signal.
  • a control device including an analog / digital converter (hereinafter referred to as an A / D converter) that performs analog / digital conversion (hereinafter referred to as A / D conversion) for conversion into a digital signal is used.
  • the number of electrical components to be controlled tends to increase, and since it is required to control such a large number of electrical components with higher accuracy, the A / D of the control device is required.
  • the load on the converter also tends to increase.
  • Patent Document 1 discloses an A / D conversion based on a channel activation signal sequentially sent from a time synchronization register 32 in order to reduce a processing load on a control circuit in controlling an A / D converter 14 having a plurality of input channels.
  • the A / D converter 14 is controlled and the A / D converter 14 has sufficient time to control, the A / D converter 14 is controlled based on the channel activation signal sent from the asynchronous register 30.
  • Patent Document 2 effectively reduces the processing load for controlling an A / D converter in a control device that performs A / D conversion of a specific analog signal with at least two kinds of timings by one A / D converter.
  • the common rail pressure signal is converted into an A / D converter at two types of timings: a first timing which is a start timing of energization to the injector and a second timing for each predetermined crank angle including BTDC 60 ° CA.
  • the A / D conversion value obtained by A / D conversion at the first timing is used for the first control processing, and the A / D conversion value obtained by A / D conversion at the second timing is used as the first A / D conversion value.
  • the A / D conversion is stopped at the second timing of the low priority and the first timing is detected.
  • the A / D conversion value obtained by the A / D conversion at the first timing at that time is used as the A / D conversion value of the second A / D conversion in the second control process.
  • a configuration to be diverted is disclosed.
  • the digital signal data is used.
  • the A / D converter performs a simple A / D conversion process and obtains all of the latest digital signal data necessary for controlling the electric parts with high accuracy.
  • a control device having a new configuration that can be used.
  • the present invention has been made through the above-described studies, and allows the A / D converter to perform simple A / D conversion processing and accurately obtain all the latest digital signal data necessary for controlling the electrical components. It is an object to provide a control device that can be obtained.
  • an analog signal output from each of a plurality of sensors that detect a physical quantity related to control of an electrical component to be controlled is converted into a digital signal.
  • a microcomputer that obtains digital signal data and controls the operation of the electrical component based on the digital signal data, a plurality of electrical wirings that connect the plurality of sensors and the microcomputer correspondingly, and A voltage level of the analog signal input to the microcomputer is adjusted within a predetermined range by using a plurality of CR circuits arranged corresponding to the electric wiring and a diode built in the microcomputer.
  • a protection circuit wherein the microcomputer is output from the plurality of sensors.
  • the analog signal is input correspondingly, and an A / D converter that converts the input analog signal into a digital signal to obtain digital signal data; and the digital signal that is read out and read out A control unit that controls the operation of the electrical component using signal data, and the control unit controls the operation of the electrical component among the plurality of sensors with respect to the A / D converter.
  • a control unit that controls the operation of the electrical component using signal data, and the control unit controls the operation of the electrical component among the plurality of sensors with respect to the A / D converter.
  • the CR circuit supplements a function of the protection circuit to adjust a voltage level of the analog signal input to the microcomputer within a predetermined range.
  • the present invention provides the control unit that is output from the plurality of sensors to the A / D converter in the process to be executed by the control unit.
  • a / D conversion is performed only on an analog signal that changes constantly among analog signals, thereby obtaining digital signal data corresponding to the analog signal that changes constantly, and reading out the necessary digital signal data.
  • a third aspect is assumed.
  • the present invention provides a process for the control unit to execute the control unit with respect to the A / D converter every predetermined control cycle.
  • Digital signal data corresponding to all of the analog signals output from the plurality of sensors are obtained by sequentially A / D converting all of the analog signals output from the plurality of sensors, Reading the necessary items is a fourth aspect.
  • the plurality of CR circuits are arranged in the same integrated circuit, and the integrated circuit and the microcomputer are in the same package.
  • the arrangement is the fifth aspect.
  • the present invention also provides digital signal data obtained by converting analog signals output from a plurality of sensors that detect physical quantities related to control of a fuel injection device to be controlled into digital signals via an A / D converter.
  • a control device comprising a microcomputer for controlling the operation of the fuel injection device based on the digital signal data, the microcomputer controlling the fuel injection amount for the fuel injection device.
  • First analog signal data obtained by converting only an analog signal that is required for calculation of the fuel injection amount and that constantly changes among the analog signals output from the plurality of sensors into a digital signal by the A / D converter.
  • the second aspect is to obtain second digital signal data by converting into a digital signal, and to calculate the fuel injection amount based on the first digital signal data and the second digital signal data; To do.
  • the process that the control unit should perform to control the operation of the electrical component among the plurality of sensors with respect to the A / D converter is performed only on the analog signal from the sensor required in the process, so that only the digital signal data required in the process is obtained and only the digital signal required in the process is read out. It is possible to make the A / D converter perform a simple A / D conversion process and obtain all the latest digital signal data necessary for controlling the electrical components with high accuracy.
  • the CR circuit is supplemented with a function that the protection circuit adjusts the voltage level of the analog signal input to the microcomputer within a predetermined range, whereby a separate clamp diode is provided.
  • the voltage level of the analog signal input to the microcomputer can be kept within a predetermined range without externally attaching an A / D converter even when the voltage level of the analog signal is unnecessarily high.
  • it is possible to perform reliable A / D conversion processing and to obtain all the latest digital signal data necessary for controlling the electrical components with high accuracy.
  • the control unit performs A / D conversion on only an analog signal that constantly changes among the analog signals output from the plurality of sensors with respect to the A / D converter.
  • the control unit performs A / D conversion on only an analog signal that constantly changes among the analog signals output from the plurality of sensors with respect to the A / D converter.
  • the control unit sequentially converts all analog signals output from the plurality of sensors to the A / D converter for each predetermined control cycle.
  • digital signal data corresponding to all analog signals output from a plurality of sensors is obtained, and by reading out necessary digital signal data, there is a possibility that it may be necessary in subsequent processing. It is possible to comprehensively prepare certain digital signal data, and to read out desired digital signals having a small fluctuation width with time, and to easily perform subsequent processing that requires such digital signal data. It can be done reliably.
  • the plurality of CR circuits are arranged in the same integrated circuit, and the integrated circuit and the microcomputer are arranged in the same package.
  • the entire configuration can be made compact.
  • the microcomputer is required for calculating the fuel injection amount for controlling the fuel injection amount for the fuel injection device, and is output from the plurality of sensors.
  • the signals only the constantly changing analog signal is converted into a digital signal by the A / D converter to obtain the first digital signal data, and all the analog signals output from the plurality of sensors are obtained at predetermined control cycles.
  • the second digital signal data is obtained by converting into a digital signal by the A / D converter, and the fuel injection amount is calculated based on the first digital signal data and the second digital signal data.
  • the A / D converter performs a simple A / D conversion process and reads the latest state of the constantly changing sensor. Succoth is possible, finally to obtain the proper fuel injection amount, the control of fuel injection of the fuel injection device can be performed with high accuracy.
  • FIG. 1 is a circuit diagram showing a configuration of a control device in the present embodiment.
  • a control device 1 shown in FIG. 1 is typically a control device capable of controlling a fuel injection operation to an internal combustion engine of a vehicle (not shown).
  • the control device 1 corresponds to an ECU (Electronic Control Unit) 10 that is a microcomputer, a voltage clamp circuit 20, and electric wirings L1 to L8 that electrically connect the EUC 10 and the sensors SR1 to SR8 in a corresponding manner.
  • ECU Electronic Control Unit
  • CR circuits 31 to 38 disposed in a row.
  • Each of the sensors SR1 to SR8 is typically a sensor for detecting a physical quantity related to the control of the operation state of various electrical components that define the operation state of the internal combustion engine, and outputs the detection value as an analog signal.
  • the sensors SR1 to SR8 include a crank angle sensor, a throttle opening sensor, a pressure sensor such as an intake / exhaust pipe, an exhaust gas oxygen concentration sensor, a temperature sensor such as a coolant, and the like regarding an internal combustion engine of a vehicle.
  • the sensors SR1 to SR8 may receive a detection current in a configuration in which the power supply voltage Vcc is connected to the corresponding electric wirings L1 to L8 via predetermined resistance elements according to their types. For the sake of convenience, FIG. 1 shows that the power supply voltage Vcc is connected to all the sensors SR1 to SR8.
  • the ECU 10 includes an A / D converter 11, a control unit 12, and clamp diodes D1 to D8.
  • the A / D converter 11 has input ports P1 to P8 corresponding to the input sensors SR1 to SR8 and result storage registries RG1 to RG8 corresponding to the input ports P1 to P8, and includes the input ports P1 to P8 and the result storage registry RG1. .. Corresponding to RG8 correspond to input channels of the A / D converter 11, respectively. Corresponding to these input ports P1 to P8, sensors SR1 to SR8 are connected via electric wirings L1 to L8.
  • the A / D converter 11 has a function of converting the analog signals input from the sensors SR1 to SR8 into digital signals, and the digital signals after A / D conversion are digital signals corresponding to the input channels. It is stored as data in the result storage registries RG1 to RG8.
  • the control unit 12 includes an arithmetic processing device such as a CPU (not shown) and necessary memory elements, and controls the operation of the entire control device 1.
  • the control unit 12 reads and acquires the digital signal data after A / D conversion from the result storage registries RG1 to RG8 of the A / D converter 11, and performs predetermined arithmetic processing based on the acquired digital signal data.
  • the operation of the corresponding electrical component is controlled based on the result of the arithmetic processing, and as a result, the fuel injection operation of the internal combustion engine is controlled to control the combustion state of the internal combustion engine.
  • the clamp diodes D1 to D8 are built in the ECU 10.
  • the clamp diodes D1 to D8 are connected to the A / D converter 11 while being provided in front of the input ports P1 to P8 corresponding to the input ports P1 to P8 of the A / D converter 11, and a common power source. They are connected in series in the forward direction toward the voltage Vcc.
  • the voltage clamp circuit 20 is input to the input ports P1 to P8 using the power supply voltage Vcc and the clamp diodes D1 to D8 connected between the input ports P1 to P8 of the A / D converter 11.
  • the CR circuits 31 to 38 are respectively arranged corresponding to the electric wirings L1 to L8 that electrically connect the EUC 10 and the sensors SR1 to SR8 correspondingly. And capacitor C.
  • the CR circuits 31 to 38 are provided in consideration of insufficient withstand voltages of the clamp diodes D1 to D8 built in the ECU 10, and are composed of the voltage clamp circuit 20 and the clamp diodes D1 to D8. Complementing the protection function for the ECU 10 of the protection circuit, when an excessive voltage is input to the input ports P1 to P8 of the A / D converter 11 in the ECU 10, a part of the excessive voltage is resisted immediately before that. It has a function of absorbing by the element R and the capacitor C. Note that the resistance element R and the capacitor C may be the same, or may have different characteristics depending on the types of the sensors SR1 to SR8.
  • the resistance value of the resistance element R of the CR circuits 31 to 38 and the capacitance of the capacitor C are A / It is desirable that the input ports P1 to P8 of the D converter 11 and the A / D converter 11 itself be sufficiently large so that they can be reliably protected.
  • the resistance value of the resistance element R1 or the capacitance of the capacitor C is too large, the voltage signal input to the A / D converter 11 does not rise rapidly, and the input ports P1 to P8 of the A / D converter 11 A voltage signal that is input to any one and A / D-converted may be affected by a voltage signal that is input to an adjacent input port and A / D-converted. It is also possible to decrease the Accordingly, the resistance value of the resistance element R and the capacitance of the capacitor C are determined by the crosstalk (dynamic fluctuation) and linearity (static fluctuation) of the A / D conversion, the A / D converter 11 and the like.
  • the noise toughness (breakage prevention) is set comprehensively.
  • FIG. 2 is a schematic conceptual diagram showing an A / D conversion process as a comparative example of the control device in the present embodiment, and the horizontal axis shows time.
  • FIG. 3 is a schematic conceptual diagram showing A / D conversion processing of the control device in the present embodiment, and the horizontal axis shows time.
  • the control unit 12 sequentially repeats all of the analog signals input to the input ports P1 to P8 with respect to the A / D converter 11.
  • a digital signal is obtained by / D conversion and is stored in the result storage registries RG1 to RG8, and the digital signal data AD0 to AD7 stored in the result storage registries RG1 to RG8 in this way are processed by processes A and B. Regardless of A and C, the data is always continuously scanned, read and acquired (continuous full scan mode).
  • the processing A includes a reference position necessary for controlling the internal combustion engine, for example, information on which combustion stroke position the internal combustion engine is in.
  • it is a process with a high task level activated in response to a crank pulse every 30 degrees of the crank angle.
  • the process B is a process with a high task level that is started in response to a crank pulse every 360 degrees of the crank angle in order to calculate a control amount for controlling the internal combustion engine, for example, a fuel injection amount.
  • the processing A is prioritized over the processing B.
  • the process C is a process having a lower priority than the processes A and B and a task level that is sufficient if the process C is started in a predetermined cycle.
  • the temperature state of the internal combustion engine is acquired. It is processing to do.
  • the crank pulse is transmitted from a crank angle sensor (not shown).
  • control device 1 since the control device 1 is provided with CR circuits 31 to 38 corresponding to the electric wirings L1 to L8 that electrically connect the EUC 10 and the sensors SR1 to SR8, their resistance values and static values are reduced. Due to the capacitance, it takes some time for the signal voltage of the analog signals input to the input ports P1 to P8 to rise, and the A / D converter 11 performs all A / D conversions corresponding to a predetermined number of bits. It can be considered that it takes a certain amount of time to complete all the digital signal data.
  • the control unit 12 activates the process A and uses the digital signal data AD1 and the digital signal data AD4.
  • the digital signal data AD1 and the digital signal data AD4 from the previous cycle must be used as in the process A of the second time. This situation is the same in the subsequent process B for calculating the fuel injection amount and the process C for calculating the state of the internal combustion engine.
  • control unit 12 may not be able to appropriately control the operation of the electrical component or the like to be controlled based on the latest state of the internal combustion engine.
  • a / D conversion is performed on the detection value of the throttle opening sensor SR2 having a large fluctuation range or the detection value of the negative pressure sensor SR5 of the intake pipe depending on the state of the internal combustion engine, a coolant temperature sensor having a small fluctuation range in a normal state.
  • the detection value of SR4 is A / D converted
  • the acquired digital signal data tends to change greatly depending on the acquisition timing. Therefore, the control unit 12 uses, for example, the latest digital signal data.
  • a situation where the fuel injection amount cannot be calculated is also assumed, and the calculated fuel injection amount does not substantially make sense, and it may be difficult to control the fuel injection operation with high accuracy.
  • control unit 12 causes the A / D converter 11 to execute A / D conversion processing as described below, and then reads and acquires the digital signal data. It is a thing.
  • the control unit 12 sets the input port P2 to the A / D converter 11.
  • a / D conversion is controlled only for the input analog signal and the analog signal input to the input port P5, and the A / D converter 11 correspondingly receives the analog signal input to the input port P2.
  • a / D conversion is performed only on the analog signal input to the input port P5, and the digital signal data corresponding to the input port P2 and the input port P5 is converted.
  • AD1 and generates only the digital signal data AD4 stores each result storage registry RG2 and RG5.
  • the A / D conversion processing is performed only on the analog signal input to the input port P2 and the analog signal input to the input port P5.
  • the processing time can be set so as to give necessary and sufficient A / D conversion time, and the digital signal data AD1 and digital signal data AD4 in the latest state in which all of them are completely assembled are stored in the result storage registries RG1 and RG8. After being stored in, it can be used as appropriate.
  • the control unit 12 controls the A / D converter 11 to perform digital conversion only on the analog signal input from the input port P3, and the A / D converter 11 correspondingly performs A / D conversion only on the analog signal input from the input port P3, generates only the digital signal data AD2 corresponding to the input port P3, and stores it in the result storage registry RG3. .
  • the processing time can be set so that the digital signal data AD2 in the latest state, all of which are completely complete, is stored in the result storage registry RG3 and can be used as appropriate.
  • the control unit 12 receives the signals from all the input ports P1 to P8 at a predetermined timing such as a 10 millisecond period at an appropriate timing.
  • a job (10 ms JOB) for performing A / D conversion processing on an analog signal is executed.
  • the control unit 12 controls the A / D converter 11 to A / D convert all analog signals input to the input ports P1 to P8 into digital signals, thereby performing A / D conversion.
  • the unit 11 performs digital conversion on all analog signals input to the input ports P1 to P8 to generate digital signal data AD0 to AD7, and stores them in the result storage registries RG1 to RG8.
  • the 10 ms JOB is a job for performing A / D conversion processing on analog signals from all the input ports P1 to P8 in a short time such as a 10 millisecond period, so that all the digital signal data AD0 to AD7 are prepared.
  • a short time such as a 10 millisecond period
  • acquiring digital signal data that can be used even if A / D conversion processing is completed in a short time or not all is significant has the significance of performing such a short time job.
  • the control unit 12 stores, for example, in the result storage registry RG4 corresponding to the detected value of the coolant temperature sensor SR4 having a small fluctuation range in a normal state.
  • the stored digital signal data AD3 and the like are read and acquired, and processing C for calculating the temperature state of the internal combustion engine is executed. Since the process C uses the digital signal data AD3 corresponding to the detected value of the coolant temperature sensor SR4 having a small fluctuation range in the normal state, the process C is not the latest data and can be obtained with 10 ms JOB executed in a short time. Even if such digital signal data AD3 or the like is used, it can be said that the influence on the processing accuracy is small.
  • control unit 12 that has executed the process C repeats various processes such as the process A, the process B, the 10 ms JOB, and the process C as appropriate.
  • control unit 12 executes a fuel injection amount calculation process for calculating the fuel injection amount as a process in the process B will be described in more detail as an example.
  • control unit 12 uses an A / D converter to convert a digital signal that constantly changes at the time of calculation from among a plurality of analog signals output from a plurality of sensors required for calculating the fuel injection amount.
  • an analog signal with a small fluctuation range is normally converted into a digital signal by an A / D converter at the time of calculation.
  • calculation of the fuel injection amount is started at the timing of process B. At least one kind of digital signal data included in the first digital signal data is acquired in the process B.
  • the control unit 12 can use the latest digital signal data AD1, AD2, and AD4 obtained in this manner as the first digital signal data.
  • the basic fuel in the calculation of the fuel injection amount is obtained.
  • the injection amount is calculated.
  • the process B itself performs A / D conversion on the detected value of the throttle opening sensor SR2 and the detected value of the negative pressure sensor SR5 of the intake pipe,
  • the digital signal data AD1 and the digital signal data AD4 may be obtained and used.
  • the control unit 12 corrects the basic fuel injection amount using the digital signal data AD3 obtained by 10 ms JOB as the second digital signal data, and uses the corrected value as the final fuel injection amount. Will be calculated. If there is no time margin for the process B, the temperature state of the internal combustion engine already obtained in the process C before the process B may be used.
  • FIG. 4 is a cross-sectional view showing a configuration in which an ECU, which is a microcomputer in the present embodiment, and a CR circuit are arranged and stacked in the same package.
  • the voltage clamp circuit 20 and the CR circuits 31 to 38 are integrated, and the integrated circuit and the ECU 10 are sealed and integrated in a package PK such as the same housing.
  • a package PK such as the same housing. It has a configuration and is mounted on a desired support SB and fixed to a vehicle or the like.
  • a package PK is, for example, a resin sealing body, and is molded by a transfer molding method or the like. According to such a configuration, the configuration of the control device 1 can be made compact.
  • only the CR circuits 31 to 38 may be integrated, and the integrated circuit and the ECU 10 may be sealed and integrated in a package PK such as the same housing.
  • the CR circuit is of course used.
  • the present invention is not limited to the one provided with 31 to 38, and other circuit configurations or the like may be adopted to generate an event in the same manner.
  • the control unit from the sensors required for the process to be executed by the control unit to control the operation of the electrical component among the plurality of sensors with respect to the A / D converter.
  • the CR circuit complements the function that the protection circuit adjusts the voltage level of the analog signal input to the microcomputer within a predetermined range, so that it can be input to the microcomputer without attaching a separate clamp diode or the like.
  • the analog signal voltage level can be kept within a predetermined range, and even when the analog signal voltage level is unnecessarily high, the A / D converter performs a reliable A / D conversion process, and All the latest digital signal data necessary for controlling the electrical components can be obtained with high accuracy.
  • control unit A / D converts only analog signals that change constantly among the analog signals output from the plurality of sensors to the A / D converter, thereby corresponding to the analog signals that change constantly.
  • control unit sequentially outputs all the analog signals output from the plurality of sensors to the A / D converter for each predetermined control cycle, thereby outputting the signals from the plurality of sensors.
  • the configuration of the entire control device can be made compact.
  • the first digital signal data is obtained by converting it into a digital signal by the / D converter, and all the analog signals output from the plurality of sensors are converted into digital signals by the A / D converter every predetermined control period.
  • the second digital signal data is obtained and the fuel injection amount is calculated based on the first digital signal data and the second digital signal data.
  • the A / D converter can be made to perform simple A / D conversion processing, and the latest state of the constantly changing sensor can be read out. And Do give fuel injection amount, the control of fuel injection of the fuel injection device can be performed with high accuracy.
  • the type, arrangement, number, and the like of the members are not limited to the above-described embodiments, and the components depart from the gist of the invention, such as appropriately replacing the constituent elements with those having the same operational effects. Of course, it can be appropriately changed within the range not to be.
  • control device that allows the A / D converter to perform simple A / D conversion processing and accurately obtain all the digital signal data necessary for controlling the electrical components. It can be provided, and is expected to be widely applicable to control devices for electric parts such as vehicles because of its universal universal character.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

Une unité de commande (12) amène un convertisseur analogique-numérique (11) à effectuer une conversion analogique-numérique uniquement pour les signaux analogiques reçus des capteurs parmi une pluralité de capteurs (SR1 à SR8) qui sont nécessaires pour un traitement à exécuter par l'unité de commande pour commander le fonctionnement d'un composant électrique. L'unité de commande (12) n'obtient de ce fait que les données de signaux numériques nécessaires pour le traitement, et n'extrait que les signaux numériques nécessaires pour le traitement.
PCT/JP2011/056024 2010-03-29 2011-03-15 Dispositif de commande WO2011122327A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800116125A CN103238132A (zh) 2010-03-29 2011-03-15 控制装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-075943 2010-03-29
JP2010075943A JP2011209923A (ja) 2010-03-29 2010-03-29 制御装置

Publications (1)

Publication Number Publication Date
WO2011122327A1 true WO2011122327A1 (fr) 2011-10-06

Family

ID=44712048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/056024 WO2011122327A1 (fr) 2010-03-29 2011-03-15 Dispositif de commande

Country Status (3)

Country Link
JP (1) JP2011209923A (fr)
CN (1) CN103238132A (fr)
WO (1) WO2011122327A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546894A (ja) * 1991-08-12 1993-02-26 Fuji Electric Co Ltd 多重伝送装置
JPH0921344A (ja) * 1995-07-05 1997-01-21 Hitachi Ltd エンジン制御装置
JPH10333882A (ja) * 1997-06-04 1998-12-18 Nec Corp Ａ／ｄ変換器および半導体集積回路
JP2000009530A (ja) * 1998-06-23 2000-01-14 Denso Corp 信号処理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760175B2 (ja) * 1991-09-02 1998-05-28 トヨタ自動車株式会社 内燃機関の蒸発燃料処理装置
JPH10126678A (ja) * 1996-10-17 1998-05-15 Minolta Co Ltd 画像検出システム
JP4369074B2 (ja) * 2001-05-11 2009-11-18 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 高速ａｄ変換信号処理装置、デジタルレシーバフロントエンド回路およびｍｒｉ装置
TWI303929B (en) * 2005-04-20 2008-12-01 Realtek Semiconductor Corp Application circuit and method for shaping noise

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546894A (ja) * 1991-08-12 1993-02-26 Fuji Electric Co Ltd 多重伝送装置
JPH0921344A (ja) * 1995-07-05 1997-01-21 Hitachi Ltd エンジン制御装置
JPH10333882A (ja) * 1997-06-04 1998-12-18 Nec Corp Ａ／ｄ変換器および半導体集積回路
JP2000009530A (ja) * 1998-06-23 2000-01-14 Denso Corp 信号処理装置

Also Published As

Publication number Publication date
CN103238132A (zh) 2013-08-07
JP2011209923A (ja) 2011-10-20

Similar Documents

Publication Publication Date Title
JP2014086860A (ja) 車載用電子制御装置
US20100198557A1 (en) Sensor apparatus
JP6291979B2 (ja) 自己診断機能を有する入力回路
JP5413422B2 (ja) 内燃機関の筒内圧検出装置
CN110463020A (zh) 电机的初始机械角度的获取方法及系统
JP5304766B2 (ja) 流量測定装置
US8055404B2 (en) Sensor apparatus
WO2011122327A1 (fr) Dispositif de commande
US11292519B2 (en) Calibration method for rotation angle calculation device, calibration device for rotation angle calculation device, rotation angle calculation device, motor control device, electric actuator product, and electric power steering device
US8131508B2 (en) Sensor apparatus
JP2011147084A (ja) 車載制御装置
EP3789270B1 (fr) Circuit de commande et dispositif de commande de moteur
JP2013160086A (ja) 内燃機関の制御装置
EP2284379A3 (fr) Contrôleur de moteur à combustion interne
JP4751343B2 (ja) Ａ／ｄ変換装置
JP6201901B2 (ja) 空気流量測定装置
EP3130788B1 (fr) Appareil et procédé pour commander un moteur à combustion interne
US20190383654A1 (en) Physical quantity detection device
JP5368601B2 (ja) Ａ／ｄ変換装置
JP4655656B2 (ja) 電子制御装置
JP4591034B2 (ja) 回転角検出装置
JP4862760B2 (ja) 検出信号処理回路
WO2014080722A1 (fr) Dispositif de commande
JP2017207382A (ja) 電子制御装置
JPH0829463A (ja) 抵抗値検出装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11762567

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 1201005139

Country of ref document: TH

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 9015/CHENP/2012

Country of ref document: IN

122 Ep: pct application non-entry in european phase

Ref document number: 11762567

Country of ref document: EP

Kind code of ref document: A1