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30results about How to "Avoid restarting" patented technology
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Inner core debug method of Linux operating system
InactiveCN101281488AShorten development timeReduced commissioning timeSoftware testing/debuggingStart timeOperational system
The invention discloses a debugging method for kernel of a Linux operating system, which comprises the following steps: a kernel part needed to be modified or debugged is compiled to a temporary kernel by means of kernel module; the temporary kernel is loaded to the user space of the kernel by using a kernel loading tool, a function jump table is disposed on the entrance of replaced original kernel functions, the calls of original kernel functions are intercepted, when an original kernel functions is called, a replacing function of the temporary kernel is automatically jumped to; the temporary kernel is debugged; when the debug is finished, the temporary kernel is unloaded from the modified kernel by a kernel unloading tool, and the original state of the kernel is restored. The kernel compiling process is only limited to specific related functions, the kernel needs not to be started again, recompiling and relink, loading time and kernel start time in kernel debugging process are avoided; the developing and debugging time of an operating system is shorted, the developing and debugging efficiency is improved.
Owner:上海宇梦通信科技有限公司
Abnormality determination device for rotation sensor
InactiveCN102667414AAvoid restartingSuppression of malfunctions such as poor start-upElectrical controlTesting/monitoring control systemsElectronic controllerEngineering
Provided is an abnormality determination device for a rotation sensor for detecting the rotation of a crankshaft. The rotation sensor comprises a sub sensor and a main sensor each of which outputs a pulsed signal every time the rotation body rotates by a predetermined angle. The rotation sensor is configured to, when the condition that the output signal of the sub sensor has a predetermined value and the output signal of the main sensor has changed is met, output a pulse signal in a different output form according to the direction of change of the output signal of the main sensor when the condition is met. The abnormality determination device is provided with an electronic controller which determines that the rotation sensor is abnormal on the basis of the fact that the output form of one pulse signal and the output form of the other pulse signal of two pulse signals outputted continuously from the rotation sensor within a determination period in which the crankshaft rotates in only a predetermined direction are different.
Owner:TOYOTA JIDOSHA KK
Wide-narrow perspective switch module and liquid crystal display device
ActiveCN107144989AAvoid restartingAvoid timeStatic indicating devicesNon-linear opticsLiquid-crystal displayControl signal
The invention discloses a wide-narrow perspective switch module and a liquid crystal display device. The wide-narrow perspective switch module comprises a connecting device, a signal processor and a time sequence controller; a display interface signal and a power source signal are output to the time sequence controller through the connecting device; a wide-narrow perspective control signal is output to the signal processor through the connecting device; the signal processor receives the wide-narrow perspective control signal, a wide perspective code or a narrow perspective code is chosen according to the wide-narrow perspective control signal, and the chosen wide perspective code or narrow perspective code is output to the time sequence controller; the time sequence controller receives the wide perspective code or the narrow perspective code, and outputs the wide perspective code or the narrow perspective code to a display panel. According to the wide-narrow perspective switch module and the liquid crystal display device, the definition of the wide-narrow perspective and the wide-narrow perspective switch time are both taken into account, and the problem is avoided that after a PSR signal of the time sequence controller is opened, the power-off restart time and switch time of the time sequence controller are too long during wide-narrow perspective switch.
Owner:KUSN INFOVISION OPTOELECTRONICS
Configuration loading method and device
InactiveCN107544828AAvoid restartingQuick configurationProgram loading/initiatingShared memoryConfiguration management
The invention discloses a configuration loading method and device, and relates to the technical field of data processing. The main purpose is to solve the problems that loading of an existing configuration file or database occurs when configuration changes, service needs to be restarted, or configuration reloading is needed, so that the configuration structure is reinitialized by the service. Themain technical scheme comprises the steps that shared memory is accessed through the service process, wherein different associative structures of configuration information are shared in the shared memory; the associative structure of the configuration information corresponding to the service process is searched for from the shared memory; the associative structure of the configuration informationis loaded to the service process. The configuration loading method and device are mainly used for loading configuration.
Owner:BEIJING QIHOO TECH CO LTD
Optical module and firmware upgrade method thereof
InactiveCN108108174AAvoid restartingAvoid interruptionVersion controlProgram loading/initiatingOptical ModuleParameter control
The invention discloses an optical module and a firmware upgrade method thereof. The firmware upgrade method of the optical module comprises the following steps: receiving a firmware upgrade request;responding to the firmware upgrade request to back up running parameters of the optical module and entering a program upgrade area preset in a storage area and running firmware upgrade codes; and jumping to a main program area in the storage area, running updated firmware codes, and loading running parameters of backup through running of firmware codes in order to generate configuration parametersto control running of the optical module. With the optical module and the firmware upgrade method thereof provided by the invention, the optical module is not rebooted during firmware upgrade in order to preclude communication services from interruption.
Owner:HISENSE BROADBAND MULTIMEDIA TECH
Online migration method and equipment for running example during combined service evolution
Owner:BEIHANG UNIV
Data receiving method and apparatus of communication interface
InactiveCN106254035AImprove stabilityAvoid restartingError preventionCommunication interfaceData interface
The invention provides a data receiving method and apparatus of a communication interface. The method applied to a communication device using a communication interface to carry out data transmission comprises: receiving of a data frame within preset transmission time is determined; and the received data frame is verified. According to the method and apparatus, when the data frame is received, preset transmission time is set; and thus the data interface can abandon receiving of the current data frame when communication is abnormal and starts receiving of a new data frame, and carries out verification and checking to determine that the received data frame is one sent by a transmitting terminal after completion of the data frame receiving. Therefore, when the communication interface connection becomes abnormal, restarting of the communication device is avoided; the fault processing time is saved; stability of the communication interface is improved; and the communication data correctness is guaranteed.
Owner:HISENSE BROADBAND MULTIMEDIA TECH
Flyback switching power supply
ActiveCN104184331AAvoid restartingPrevent secondary startupDc-dc conversionElectric variable regulationStart upSwitching power
The invention provides a flyback switching power supply, which comprises a voltage input unit, a starting unit, a switching power supply control chip, a flyback transformer, an auxiliary power supply winding, a clamping circuit, a transformer primary control circuit, a main voltage output circuit and a standby voltage output circuit, wherein two ends of the voltage input unit are connected to an external power supply and provide power for the starting unit; and the output end of the starting unit is connected to a power end of the switching power supply control chip. The flyback switching power supply further comprises a protection unit, wherein a first end of the protection unit is connected to the output end of the starting unit and one end of the auxiliary power supply winding, a second end of the protection unit is connected to the output end of the switching power supply control chip and the reference ground, and voltage at the output end of the starting unit is reduced below starting voltage of the switching power supply control chip when the external power supply is switched off. According to the invention, a problem of secondary start-up of the flyback switching power supply is effectively solved, and the stability of the system is improved.
Owner:SUZHOU INOVANCE TECH CO LTD
Alarm information management system and method
PendingCN113890903ARealize unified managementReduce maintenance costsTransmissionAlarm managementServer
The invention provides an alarm information management system and method. The system comprises network element equipment, a southbound interface service and an alarm management service, wherein the network element equipment is used for sending the communication protocol frame to the southbound interface service; the southbound interface service is used for adaptively acquiring a protocol corresponding to a protocol identifier in a pre-configured communication protocol library according to the protocol identifier in the communication protocol frame, analyzing alarm information from the communication protocol frame according to the protocol corresponding to the protocol identifier, and sending the alarm information to the alarm management service; and the alarm management service is used for managing the alarm information. According to the invention, not only can the protocols in various network element devices be self-adapted, the adaptability is strong, but also the server and the whole alarm information management system can be prevented from being restarted, and the maintenance cost of the alarm information management system is effectively reduced. The system is wide in application range, and alarm information sent by various network element devices can be managed in a unified mode.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD
Heat pump system, defrosting method and device
InactiveCN108759168AAchieve continuous heatingAvoid switchingHeat pumpsCorrosion preventionRecuperatorProcess engineering
The invention provides a heat pump system, a defrosting method and a device. According to the heat pump system, exhaust heating equipment is arranged on a pipeline between a compressor and an oil separator and is used for heating liquid or gas which flows from the compressor to the oil separator again; a non-stop defrosting branch is arranged between a first pipeline and a second pipeline and is used for supplying the liquid or the gas heated by the exhaust heating equipment to a heat exchanger of an outdoor unit, so that the defrosting treatment on the heat exchanger of the outdoor unit is realized; the first pipeline is arranged between the exhaust heating equipment and the oil separator; and the second pipeline is arranged between the heat exchanger of the outdoor unit and a heat exchanger of an indoor unit, so that continuous heating of the heat pump system can be realized, the stop operation of the indoor heat exchanger is avoided during defrosting, the switching and restart of the compressor are avoided, the power consumption during defrosting is reduced, and the comfort is increased.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Track robot battery replacing device and method capable of achieving uninterrupted power supply
InactiveCN112537222ANon-stop operationAvoid restartingCharging stationsRailway inspection trolleysElectrical batteryControl engineering
Owner:CITIC HIC KAICHENG INTELLIGENT EQUIP CO LTD
Waterproof, wear-resistant, and flame-retardant super adhesive tape
InactiveCN108864976AImprove stabilityHigh mechanical strengthMonocarboxylic acid ester polymer adhesivesNon-macromolecular adhesive additivesFiberWear resistant
The invention discloses a waterproof, wear-resistant and flame-retardant supper adhesive tape. The adhesive tape comprises an adhesive layer, a middle layer and an outer layer. The outer layer is a polyvinyl chloride waterproof layer; the middle layer is a flame-retardant fiber cloth layer, and the flame-retardant fiber cloth layer is heat sealed on the outer layer; and the adhesive layer is applied to the flame retardant fiber cloth layer. The tape provided by the invention has high stability and can be continuously adhered; the tape does not easily peel off, the wound tape is prevented fromedge warping so that the replacement frequency is effectively reduced; the tape has high mechanical strength, strong tensile strength, and enough thickness; the tape is anti-aging, waterproof, flame-retardant and wear-resistant; and the tape is easy to be applied to bundling or repairing wires, filling construction joints, and material bonding.
Owner:阜南县力韦包装材料有限公司
Electricity-saving street lamp system
InactiveCN105142273AExtended service lifeAvoid restartingElectric light circuit arrangementEnergy saving control techniquesEffect lightEngineering
The invention discloses an electricity-saving street lamp system, and belongs to the technical field of electricity-saving equipment. The system comprises an environment brightness detection unit, a pedestrian / vehicle detection unit, a control unit, a lighting unit, an electricity-saving commercial power conversion circuit and a commercial power supply unit, wherein the electricity-saving commercial power conversion circuit comprises a control fuse protector, an electricity-saving contactor, an electricity-saving control relay, a commercial power contactor, a commercial power control relay and an electricity-saving commercial power conversion control relay. According to the system, the time interval of a street lamp between an electricity-saving dormant state and an illuminating state is concealed; and restart after dormancy is avoided; and the service life of the street lamp is prolonged.
Owner:苏州市新瑞奇节电科技有限公司
Intelligent escalator for public place
InactiveCN105151972AAvoid wastingImprove efficiencySustainable buildingsEscalatorsElectricityPublic place
The invention discloses an intelligent escalator for a public place, and belongs to the technical field of escalators. The intelligent escalator comprises a first induction unit arranged in an escalator entrance, a second induction unit arranged in an escalator exit, weight sensors installed on stairs, a control unit, a motor drive unit, an electricity saving electric supply conversion circuit and an electric supply supplying unit. According to the intelligent escalator, the time interval between an electricity saving dormant state and a running state of the escalator is eliminated, repeated starting after dormancy is avoided, and the service life of the escalator is prolonged.
Owner:苏州市新瑞奇节电科技有限公司
A flyback switching power supply
ActiveCN104184331BPrevent secondary startupAvoid restartingDc-dc conversionElectric variable regulationTerminal voltageControl circuit
The invention provides a flyback switching power supply, including a voltage input unit, a starting unit, a switching power supply control chip, a flyback transformer, an auxiliary power supply winding, a clamping circuit, a transformer primary control circuit, a main voltage output circuit and a standby voltage output circuit, and both ends of the voltage input unit are connected to an external power supply and supply power to the startup unit, the output terminal of the startup unit is connected to the power supply terminal of the switching power supply control chip, the flyback switching power supply also includes a protection unit, and the The first end of the protection unit is connected to the output end of the starting unit and one end of the auxiliary power supply winding, and the second end is connected to the output end of the switching power supply control chip and the reference ground, and when the external power supply is powered off, the The voltage at the output terminal of the starting unit is pulled down to be lower than the starting voltage of the switching power supply control chip. The invention effectively solves the secondary startup problem of the flyback switching power supply and improves the stability of the system.
Owner:SUZHOU INOVANCE TECH CO LTD
A belt conveyor tail linkage locking device
The invention discloses a belt conveyor tail linked locking device. The device is arranged on the tail of a belt conveyor and comprises a shell, a controller, a contact swing rod and a sensor, wherein the controller, the contact swing rod and the sensor are arranged in the shell, the contact swing rod is hinged relative to the shell, a telescopic structure is arranged between the contact swing rod and the shell, the controller of the device and a belt conveyor line emergent stop button are connected with a head operation system of the belt conveyor, a trigger device is arranged on the belt conveyor, one end of the contact swing rod is a clamping end, and the other end of the contact swing rod is a contact end; a trigger device is started, the clamping end of the contact swing rod is clamped on the position of a chain of the belt conveyor under the effect of the telescopic structure, under the state, the contact end of the contact swing rod triggers the sensor, the sensor sends out a signal to the controller, the controller sends out a signal to the head operation system of the belt conveyor, and the belt conveyor stops transmission.
Owner:HUABEI MINING GRP
A method for refreshing a signal repeater in an electronic device firmware
ActiveCN112256596BAvoid restartingSolve efficiency problemsMemory adressing/allocation/relocationSoftware deploymentMemory addressRepeater
The present invention provides a method for refreshing a signal repeater in the firmware of an electronic device, which can be run without restarting the system. The method includes: obtaining a memory address of a global variable; and writing a refresh value in a signal repeater. Pre-stored in the memory address of the global variable; every predetermined time, compare whether a real value of the signal repeater is consistent with the refresh value in the global variable, if it is consistent, continue to execute this step, if not, execute the next step The steps are: replacing the real value of the signal repeater with the refresh value in the global variable; and, completing the refresh of the signal repeater.
Owner:INVENTEC PUDONG TECH CORPOARTION +1
The operation method of the induced draft fan pid controller feed-forward logic optimization configuration control system
ActiveCN107132758BReduce output commandReduce outputAir supply regulationControllers with particular characteristicsLogic optimizationControl system
The invention relates to an operating method of an induced draught fan PID controller feedforward logic optimization configuration control system. The operating method comprises the steps that a balance bock and an F(x) function block are established, an SFT switching block and a sigma addition block are established, wherein establishment of the F(x) function block comprises the sub-steps of establishing an F(x)1 function block and establishing an F(x)2 function block, a supply fan PID output instruction is converted through the F(x)2 function block, an actual power signal is converted through the F(x)1 function block, and the converted actual power signal is transmitted to the SFT switching block to process; and the actual power signal processed by the SFT switching block and the supply fan PID output instruction converted through the F(x)2 function block are added together through the sigma addition block, the sigma addition block transmits an added signal to a PID controller through a pin of the PID controller, wherein occurrence of auxiliary engine failure load reduction is enabled to act as a switching condition of the SFT switching block.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD
Vehicle control method and device, vehicle and equipment
ActiveCN113525019AAvoid restartingImprove user experienceAir-treating devicesVehicle heating/cooling devicesDriver/operatorControl system
The invention provides a vehicle control method and device, a vehicle and equipment. The method comprises the steps that when an air conditioner is in a starting state after being remotely started and the vehicle is in a power-off state, a vehicle starting signal is monitored; if the vehicle starting signal is monitored, the power supply of the vehicle is switched from a first high-voltage circuit to a second high-voltage circuit, and the air conditioner is kept in a starting state; and the second high-voltage circuit is used for supplying power to the air conditioner and a driving control system of the vehicle, and the first high-voltage circuit is only used for supplying power to the air conditioner. By switching the first high-voltage circuit to the second high-voltage circuit, it is ensured that the air conditioner can still be in the starting state when the vehicle starting signal is monitored, the situation that a driver restarts the air conditioner after starting the vehicle is avoided, and the use experience of the driver is improved.
Owner:BEIJING ELECTRIC VEHICLE
Energy-saving air energy refrigeration heat exchanger
InactiveCN111664607AReduce the number of starts and stopsAvoid restartingHeat pumpsEngineeringRefrigeration
The invention discloses an energy-saving air energy refrigeration heat exchanger, and belongs to the technical field of air energy equipment. The energy-saving air energy refrigeration heat exchangercomprises a main machine. The left side surface of the main machine communicates with the right side surface of a water tank through a cold water pipeline and a hot water pipeline, and the upper surface of the water tank is fixedly connected with the lower surface of a bottom plate. A tank body, an air bag, an air chamber, an inflating device and a flange plate are arranged, when the main machineand the water tank are in a normal working state, water is transmitted into the air bag through a connecting device, and the pressure between the air bag filled with water and the air chamber reachesa balance point. When the external temperature of the water tank changes and the internal pressure of the water tank decreases, the process of water replenishment is required, water in the air bag canbe squeezed out and supplied to the water tank until the pressure in the water tank recovers, and dynamic balance in the water tank is maintained. The main machine and the water tank are prevented from being started again in the small-amount water supplementing process, the starting and stopping frequency of the main machine and the water tank is reduced, a large amount of electric energy is saved, and the service life of the main machine can be prolonged.
Owner:南京天源重工设备有限公司
Wide and narrow viewing angle switching module and liquid crystal display device
ActiveCN107144989BAvoid restartingAvoid timeStatic indicating devicesNon-linear opticsComputer hardwareLiquid-crystal display
Owner:KUSN INFOVISION OPTOELECTRONICS
Method and device for adjusting the travel speed of a vehicle
InactiveCN104724118BAdd supportEffective supportVehicle sub-unit featuresDriver input parametersFlameoutEngineering
The present invention relates to method and device for adjusting the driving speed of a vehicle. In the method for adjusting the driving speed of the vehicle by a gear shifting device, the position of the gear shifting device is detected, and the gear of a transmission of the vehicle is adjusted according to the position, wherein the vehicle possesses an operating element 4 used for opening a clutch 3 in a driving system and has a device 9 to open and close the clutch 3 at the position irrelevant with the operating element 4, the environmental condition of the vehicle is calculated, and the rated speed of the vehicle is calculated according to the calculated environmental condition. An engine 2 and / or a brake 12 are triggered, so that the driving speed corresponds to the rated speed, wherein the flameout risk of the engine is calculated, when the flameout risk of the engine 2 is determined, the device for opening and closing the clutch 3 is triggered, thereby opening the clutch 3.
Owner:ROBERT BOSCH GMBH
A safety protection device
ActiveCN110428987BAvoid restartingImprove stabilitySwitch power arrangementsAlarmsEngineeringStructural engineering
The invention discloses a safety protection device, which relates to the technical field of safety protection devices; it includes a base, a support base is fixedly connected to the base, a guide rod is inserted into the support base, and the guide rod is slidably connected with the support base An electromagnet is fixedly connected to one end of the guide rod, a tension spring is sleeved on the guide rod, one end of the tension spring leans against the supporting seat, and the other end of the tension spring leans against the electromagnet, the The electromagnet is connected with a positive pole and a negative pole. The electromagnet is provided with a magnet on the side away from the guide rod. The gate pusher pushes down the electric gate. The invention proposes a safety protection device. When the power is cut off, the switch pushing device automatically pushes down the switch, thereby preventing the instrument from restarting when the power comes in. In addition, an alarm can be issued; the stability is high.
Owner:ZHEJIANG OCEAN UNIV
Method, device and computer-readable storage medium for processing operation instructions
ActiveCN109343895BAvoid restartingImprove experienceImage data processing detailsMachine execution arrangementsSimulationSoftware engineering
The embodiment of the present invention discloses an operation command processing method, device and storage medium, including: the server obtains the operation command for the training environment built in its own learning platform; judges whether the obtained operation command is a parameter adjustment command; if The obtained operation instruction is a parameter adjustment instruction, and the training environment is not closed, and the training is performed according to the target parameter configuration information expected to be adjusted in the parameter adjustment instruction. It can be seen from the technical solution provided by the embodiment of the present invention that since the server has pre-judged whether the operation instruction is a parameter adjustment instruction, if it is determined to be a parameter adjustment instruction, it will control the training environment not to close, so when there is training parameter information caused by training requirements In the case of being modified, the restart of the training environment is avoided, thereby saving the time spent on actual training and improving user experience.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Laser ranging device and method and electronic equipment
The embodiment of the invention provides a laser ranging device and method and electronic equipment. The laser ranging device comprises a control module, a state detection module, a transmitting module, a timing module and a receiving module. The state detection module prohibits sending of a starting pulse signal to the timing module when determining that the timing module is in a non-stop timingstate, the timing module performs timing according to the starting pulse signal and a stop pulse signal to obtain a timing value, and the control module determines a predicted distance value between atarget object and the laser ranging device according to the timing value. The state detection module is arranged, therefore, the state detection module determines whether to restart the timing moduleor not according to the state of the timing module after receiving the initial pulse signal each time, the situation that the timing module is restarted according to the initial pulse signal before photons return when the target object is far can be avoided, a distance value with a large error is obtained, and the measurement accuracy is improved.
Owner:VIVO MOBILE COMM CO LTD
Power supply heat exchange control device for seismic exploration
ActiveCN104795888BAvoid re-locking GPS phenomenonEnsure work efficiency in the fieldEmergency power supply arrangementsLithiumManagement unit
The invention discloses a power heat exchange control device for seismic exploration, which comprises a main power circuit unit, a backup power circuit unit, a voltage acquisition circuit unit, a power supply circuit unit, and a management control circuit unit; the main power circuit unit can be used for loading The battery also outputs electric energy to the outside; the backup power supply circuit unit is used to output electric energy to the outside; the voltage acquisition circuit unit includes a first voltage acquisition circuit, and the first voltage acquisition circuit is used to acquire the voltage value of the main power supply circuit unit; the management control circuit unit, It is used to receive the voltage value of the voltage acquisition circuit and send a control signal; the power supply circuit unit is used to provide the electric energy output by the standby power supply circuit unit to the management control circuit unit. The invention can prevent the Hawk system collection station from restarting the built-in system of the collection station due to the replacement of the external lithium battery. At the same time, it can also turn off the power supply output of the backup power supply circuit unit by timing, so as to avoid the use of the backup power supply circuit unit when the collection station needs to be shut down.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Method for refreshing signal repeater in firmware of electronic device
ActiveCN112256596AAvoid restartingSolve efficiency problemsMemory adressing/allocation/relocationSoftware deploymentMemory addressRepeater
The invention provides a method for refreshing a signal repeater in firmware of an electronic device, which can be operated without restarting a system and comprises the following steps of: obtaininga memory address of a global variable; wherein a refresh value to be written into a signal repeater is pre-stored in the memory address of the global variable; comparing whether a true value of the signal repeater is consistent with the refreshing value in the global variable or not at preset time intervals, if so, continuing to execute the step, and if not, executing the next step; replacing thereal value of the signal repeater with a refresh value in the global variable; and completing the refreshing of the signal repeater.
Owner:INVENTEC PUDONG TECH CORPOARTION +1
Database access intermediate system, method, device and storage medium
ActiveCN108647300BAvoid restartingDigital data information retrievalSpecial data processing applicationsEngineeringDatabase access
The present invention provides a database access intermediate system, method and device and a storage medium. The system comprises a configuration module for configuring a SQL statement for accessinga database, a storage module for storing the configured SQL statement for accessing the database, a calling interface for data interaction with an application, and an execution module for acquiring adatabase access request of the application through the calling interface, invoking the corresponding SQL statement to access the database according to the database access request, and returning the execution data of the database to the application through the calling interface. By adopting the scheme of the invention, the connection string and the SQL statement are extracted from a source code, and unified management and automatic auditing are performed, thereby completely avoiding restart of the application due to the query logic change, and the system performance problem caused due to nonstandard writing of the SQL statement.
Owner:携程旅游信息技术(上海)有限公司
Online migration method and equipment for running example during combined service evolution
Owner:BEIHANG UNIV
Abnormality determination device for rotation sensor
InactiveCN102667414BAvoid restartingSuppression of malfunctions such as poor start-upElectrical controlTesting/monitoring control systemsElectronic controllerEngineering
Provided is an abnormality determination device for a rotation sensor for detecting the rotation of a crankshaft. The rotation sensor comprises a sub sensor and a main sensor each of which outputs a pulsed signal every time the rotation body rotates by a predetermined angle. The rotation sensor is configured to, when the condition that the output signal of the sub sensor has a predetermined value and the output signal of the main sensor has changed is met, output a pulse signal in a different output form according to the direction of change of the output signal of the main sensor when the condition is met. The abnormality determination device is provided with an electronic controller which determines that the rotation sensor is abnormal on the basis of the fact that the output form of one pulse signal and the output form of the other pulse signal of two pulse signals outputted continuously from the rotation sensor within a determination period in which the crankshaft rotates in only a predetermined direction are different.
Owner:TOYOTA JIDOSHA KK
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