KR19990053654A - Driving distance indicator of electric vehicle - Google Patents
Driving distance indicator of electric vehicle Download PDFInfo
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- KR19990053654A KR19990053654A KR1019970073343A KR19970073343A KR19990053654A KR 19990053654 A KR19990053654 A KR 19990053654A KR 1019970073343 A KR1019970073343 A KR 1019970073343A KR 19970073343 A KR19970073343 A KR 19970073343A KR 19990053654 A KR19990053654 A KR 19990053654A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W40/09—Driving style or behaviour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/30—Driving style
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/303—Speed sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
전기 자동차의 배터리 이용 가능 에너지에 따라 주행할 수 있는 거리를 운전자에게 표시하여 주는 전기 자동차의 주행 가능거리 표시장치에 관한 것으로, 운행정보 검출수단에서 전기 자동차의 운행중 각종 운행정보를 검출하여 그에 따른 소정의 신호를 출력하면 제어수단에서 각종 운행정보에 따라 운전자의 운행 습관에 따른 운행 모드를 설정하고, 설정된 각 운행 모드에 따른 주행거리와 배터리 소모 전력을 비교하여 그에 다른 소정의 신호를 출력하여 디스플레이수단을 통해 각 운행 모드에 따른 주행 거리와 배터리 소모 전력을 운전자가 알 수 있도록 표시하여 줌으로써 운전자가 배터리 효율이 가장 좋은 운행 모드를 예측하여 전기 자동차의 주행 거리를 연장시킬 수 있도록 한다.The present invention relates to a driving distance display device for an electric vehicle that displays a distance that can be driven according to battery available energy of the electric vehicle. The driving information detecting means detects various driving information during operation of the electric vehicle, and determines If the control unit outputs a signal, the control unit sets the driving mode according to the driving habits of the driver according to various driving information, compares the driving distance and battery power consumption according to each set driving mode, and outputs a predetermined signal according to the display means. By displaying the driving distance and battery power consumption according to each driving mode so that the driver can know the driving mode with the best battery efficiency, the driver can extend the driving distance of the electric vehicle.
Description
본 발명은 전기 자동차에 관한 것으로, 더욱 상세하게는 전기 자동차의 배터리 이용 가능 에너지에 따라 주행할 수 있는 거리를 운전자에게 표시하여 주는 전기 자동차의 주행 가능거리 표시장치에 관한 것이다.The present invention relates to an electric vehicle, and more particularly, to a driving distance display apparatus for an electric vehicle for displaying a distance that can be driven according to the battery available energy of the electric vehicle to the driver.
일반적으로 전기 자동차는 가솔린 자동차와는 달리 모듈화되어 있는 배터리의 한정된 에너지를 이용하여 주행하는 것으로, 운전자에 의한 운행 조건 즉, 운전자에 따른 운행 습관 또는 방법에 따라 한정된 배터리의 에너지를 이용하는 전기 자동차의 주행 거리는 차이가 많이 난다.In general, an electric vehicle, unlike a gasoline vehicle, is driven by using a limited energy of a modular battery, and driving of an electric vehicle using a limited battery energy according to a driving condition by a driver, that is, a driving habit or method according to the driver. The distance varies a lot.
본 발명은 이와 같은 문제점을 해결하기 위하여 안출한 것으로, 그 목적은 전기 자동차의 운행중 운전자의 운전 패턴에 따라 사용 가능한 배터리 에너지로 주행할 수 있는 거리를 표시하여 주는 데 있다.The present invention has been made to solve the above problems, the object of the present invention is to display the distance that can be driven by the battery energy available according to the driver's driving pattern during the operation of the electric vehicle.
도 1은 본 발명의 일 실시예인 전기 자동차의 주행 가능거리 표시장치를 개략적으로 도시한 것이고,1 is a view schematically showing a driving range display apparatus of an electric vehicle according to an embodiment of the present invention;
도 2는 본 발명의 일 실시예인 전기 자동차의 주행 가능거리 표시장치에서 기어 위치에 따른 모드를 도시한 것이고,2 is a view illustrating a mode according to a gear position in a driving range display apparatus of an electric vehicle according to an embodiment of the present invention.
도 3은 전기 자동차의 주행 상태를 도시한 것이고,3 illustrates a driving state of an electric vehicle,
도 4a와 도 4b는 전기 자동차의 배터리를 회로적으로 도시한 것이다.4A and 4B show a circuit diagram of a battery of an electric vehicle.
상기와 같은 목적을 달성하기 위하여 본 발명은, 전기 자동차의 운행중 각종 운행정보를 검출하여 그에 따른 소정의 신호를 출력하는 운행정보 검출수단과, 전기 자동차의 주행중 상기 운행정보 검출수단에서 전송되는 각종 운행정보에 따라 운전자의 운행 습관에 따른 운행 모드를 설정하고, 설정된 각 운행 모드에 따른 주행거리와 배터리 소모 전력을 비교하여 그에 다른 소정의 신호를 출력하는 제어수단과, 상기 제어수단의 신호에 따라 각 운행 모드에 따른 주행 거리와 배터리 소모 전력을 운전자가 알 수 있도록 표시하여 주는 디스플레이수단으로 이루어진다.In order to achieve the above object, the present invention provides a driving information detecting means for detecting a variety of driving information during the operation of the electric vehicle and outputs a predetermined signal according to the above, and various operations transmitted from the driving information detection means during the driving of the electric vehicle. Control means for setting the driving mode according to the driving habits of the driver according to the information, and compares the driving distance and the battery power consumption according to each set driving mode and outputs a predetermined signal according to the information, each according to the signal of the control means The display means for displaying the driving distance and the battery power consumption according to the driving mode so that the driver can know.
상기 운행정보 검출수단은 운전자에 의해 선택된 변속 기어의 위치를 검출하는 기어 위치 검출수단과, 전기 자동차의 주행속도를 검출하는 차속 센서와, 운전자의 액셀 페달 조작을 검출하는 액셀 스위치와, 운전자의 브레이크 페달 조작을 검출하는 브레이크 스위치와, 전기 자동차 배터리의 전압 및 전류를 검출하는 배터리 전압 및 전류 검출수단으로 이루어진다.The driving information detecting means includes gear position detecting means for detecting a position of a shift gear selected by the driver, a vehicle speed sensor for detecting a traveling speed of an electric vehicle, an accelerator switch for detecting a driver's accelerator pedal operation, and a driver's brake. And a brake switch for detecting pedal operation and battery voltage and current detecting means for detecting voltage and current of the electric vehicle battery.
상기 제어수단은 상기 운행정보 검출수단에서 인가되는 각종 신호를 처리하며, 상기 차속 센서 신호에 따라 각 운행 모드에 따른 주행 거리를 연산하는 연산수단과, 상기 연산수단의 신호에 따라 상기 기어 위치 검출수단의 신호를 각각의 메모리 번지로 기억시키고, 그 메모리 번지에 의해 운전자에 의한 운행 모드를 설정하는 기억수단과, 상기 연산수단의 신호에 따라 상기 기어 위치 검출수단의 각 기어 변속단의 경과 시간을 카운터하고, 상기 브레이크 스위치와 액셀 스위치 신호의 경과 시간을 카운트하는 카운터와, 상기 연산수단에서 연산된 각 운행 모드에 따른 주행 거리와 배터리 전압 및 전류 검출수단의 신호에 따른 배터리 에너지량을 비교하여 각 운행 모드의 주행 거리와 배터리 소비 전력을 각각의 모드별로 비교하는 비교수단으로 이루어진다.The control means processes various signals applied from the driving information detecting means, and calculates a driving distance according to each driving mode according to the vehicle speed sensor signal, and the gear position detecting means according to the signal of the calculating means. Is stored in each memory address, the memory means for setting the driving mode by the driver and the elapsed time of each gear shifting stage of the gear position detecting means in accordance with a signal from the computing means are counted. And a counter for counting the elapsed time of the brake switch and the accelerator switch signal, and comparing each driving distance calculated by the operation means with the amount of battery energy according to the signal of the battery voltage and current detection means. Comparing means for comparing the driving distance and battery power consumption of each mode for each mode It is broken.
이하, 첨부된 도면을 참조로 하여 본 발명에 따른 바람직한 일 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.
도 1에서 알 수 있는 바와 같이 본 발명의 일 실시예인 전기 자동차의 주행 가능거리 표시장치는 운행정보 검출부(10)와 제어부(20), 디스플레이부(30)로 이루어진다.As can be seen in FIG. 1, an apparatus for displaying a driving distance of an electric vehicle, which is an embodiment of the present invention, includes a driving information detector 10, a controller 20, and a display 30.
운행정보 검출부(10)는 운전자에 의해 선택된 변속 기어의 위치를 검출하여 그에 따른 소정의 신호를 출력하는 기어 위치 검출부(11)와, 전기 자동차의 주행속도를 검출하여 그에 따른 소정의 신호를 출력하는 차속 센서(12)와, 운전자의 액셀 페달 조작을 검출하여 그에 따른 소정의 신호를 출력하는 액셀 스위치(13)와, 운전자의 브레이크 페달 조작을 검출하여 그에 따른 소정의 신호를 출력하는 브레이크 스위치(14)와, 전기 자동차 배터리의 전압 및 전류를 검출하여 그에 따른 소정의 신호를 출력하는 배터리 전압 및 전류 검출부(15)로 이루어지며, 전기 자동차의 운행중 각종 운행정보를 검출하여 그에 따른 소정의 신호를 출력한다.The driving information detector 10 detects the position of the shift gear selected by the driver and outputs a predetermined signal according to the driving position detection unit 10, and detects the traveling speed of the electric vehicle and outputs a predetermined signal accordingly. The vehicle speed sensor 12, an accelerator switch 13 for detecting a driver's accelerator pedal operation and outputting a predetermined signal, and a brake switch 14 for detecting a driver's brake pedal operation and outputting a predetermined signal accordingly. And a battery voltage and current detector 15 for detecting a voltage and a current of the electric vehicle battery and outputting a predetermined signal, and detecting a variety of driving information while driving the electric vehicle and outputting a predetermined signal accordingly. do.
제어부(20)는 운행정보 검출부(10)에서 인가되는 각종 신호를 처리하며, 운행정보 검출부(10)의 차속 센서(12) 신호에 따라 각 운행 모드에 따른 주행 거리를 연산하여 그에 따른 소정의 신호를 출력하는 연산부(21)와, 연산부(21)의 신호에 따라 운행정보 검출부(10)의 기어 위치 검출부(11)의 신호를 각각의 메모리 번지로 기억시키고, 그 메모리 번지에 의해 운전자에 의한 운행 모드를 설정하는 기억부(22)와, 연산부(21)의 신호에 따라 기어 위치 검출부(11)의 각 기어 변속단의 경과 시간을 카운터하고, 운행정보 검출부(10)의 브레이크 스위치(14)와 액셀 스위치(13) 신호의 경과 시간을 카운트하여 그에 따른 소정의 신호를 출력하는 카운터(23)와, 연산부(21)에서 연산된 각 운행 모드에 따른 주행 거리와 운행정보 검출부(10)의 배터리 전압 및 전류 검출부(15) 신호에 따른 배터리 에너지량을 비교하여 각 운행 모드의 주행 거리와 배터리 소비 전력을 각각의 모드별로 비교하여 그에 따른 소정의 신호를 출력하는 비교부(24)로 이루어지며, 전기 자동차의 주행중 운행정보 검출부(10)에서 인가되는 각종 신호에 따라 운전자의 운행 습관에 따른 운행 모드를 설정하고, 설정된 각 운행 모드에 따른 주행거리와 배터리 소모 전력을 비교하여 그에 다른 소정의 신호를 출력한다.The controller 20 processes various signals applied by the driving information detector 10, calculates a driving distance according to each driving mode according to the signal of the vehicle speed sensor 12 of the driving information detector 10, and calculates a predetermined signal accordingly. And a signal from the gear position detecting unit 11 of the driving information detecting unit 10 in accordance with the signal of the calculating unit 21, respectively, as the memory address, and driving by the driver by the memory address. The elapsed time of each gear shifting stage of the gear position detecting unit 11 is countered according to the signal of the storage unit 22 and the calculating unit 21 for setting the mode, and the brake switch 14 of the driving information detecting unit 10 A counter 23 for counting the elapsed time of the accelerator switch 13 signal and outputting a predetermined signal according to the acceleration switch 13, the driving distance corresponding to each driving mode calculated by the calculating unit 21, and the battery voltage of the driving information detector 10 And current detector 15 signals Comparing the amount of battery energy according to the driving distance of each driving mode and the battery power consumption for each mode is composed of a comparator 24 for outputting a predetermined signal according to the operation information during the driving of the electric vehicle 10 The driving mode is set according to the driving habits of the driver according to various signals applied by the driver), and the driving distance and battery power consumption according to each driving mode are compared, and a different predetermined signal is output thereto.
디스플레이부(30)는 제어부(20)의 신호에 따라 각 운행 모드에 따른 주행 거리와 배터리 소모 전력을 운전자가 알 수 있도록 표시하여 운전자가 배터리의 한정된 에너지를 이용하여 주행 거리를 연장할 수 있도록 한다.The display unit 30 displays the driving distance and the battery power consumption according to each driving mode according to the signal of the controller 20 so that the driver can know the driving distance by using the limited energy of the battery. .
이와 같이 이루어진 본 발명의 일 실시예인 전기 자동차의 주행 가능거리 표시장치를 첨부된 도면을 참조로 하여 그 동작과정에 따라 상세히 설명하면 다음과 같다.Referring to the accompanying drawings, a driving distance display apparatus for an electric vehicle, which is an embodiment of the present invention, is described in detail according to an operation process as follows.
전기 자동차의 주행중 운전자의 기어 변속 조작에 따른 기어 변속단의 위치를 기어 위치 검출부(11)에서 검출하여 그에 따른 소정의 신호를 출력하면 연산부(21)는 기어 변속 위치 검출부(11)의 신호를 기억부(22)로 전송한다. 이와 동시에 카운터(23)를 동작시켜 각 변속단의 경과 시간을 카운트한다. 그러면 기억부(22)는 기어 위치 검출부(11)의 신호를 각 메모리 번지에 기억하여 도 2에서와 같이 각 변속단의 경과 시간에 의한 운전자의 운행 습관에 따라 운행모드를 설정한다.When the position of the gear shift stage according to the gear shift operation of the driver is detected by the gear shift detection unit 11 and outputs a predetermined signal according to the driving of the electric vehicle, the calculation unit 21 stores the signal of the gear shift position detection unit 11. Transfer to section 22. At the same time, the counter 23 is operated to count the elapsed time of each shift stage. The storage unit 22 then stores the signal of the gear position detection unit 11 in each memory address and sets the driving mode according to the driving habit of the driver based on the elapsed time of each shift stage as shown in FIG.
그리고, 연산부(21)는 차속 센서(12)로부터 검출되는 전기 자동차의 주행속도와 액셀 스위치(12)와 브레이크 스위치(13)의 조작에 따라 카운터(23)에서 카운팅된 차량의 가속도 및 감속도에 따라 각 운행 모드에 따른 주행 거리를 다음과 같이 연산한다.In addition, the operation unit 21 may determine the acceleration and deceleration of the vehicle counted by the counter 23 according to the traveling speed of the electric vehicle detected by the vehicle speed sensor 12 and the operation of the accelerator switch 12 and the brake switch 13. Accordingly, the driving distance according to each driving mode is calculated as follows.
주행 거리는 차량 속도, 요구 견인력, 휠 파워, 배터리 파워 등에 따른 관계식으로 구해진다.The mileage is determined by a relationship depending on the vehicle speed, required traction, wheel power, battery power, and the like.
먼저, 전기 자동차의 순간 속도를 수학식
따라서, 주행거리
그리고, 도 3과 같이 전기 자동차를 주행할 경우 휠 파워는 차량 중량, 전면적, 항력 계수, 구름 저항 계수, 구동 효율, 등판각 등에 의한 식으로 구해진다.And, when driving the electric vehicle as shown in Figure 3, the wheel power is obtained by the formula based on the vehicle weight, the total area, the drag coefficient, rolling resistance coefficient, driving efficiency, climbing angle.
이때, 요구 견인력
따라서, 휠에서의 파워는
또한, 전기 자동차의 주행에 있어서 배터리의 전력은 주행 도로의 경사 및 운전자에 의한 가속 상태 즉, 운전자가 액셀 페달을 밟는 패턴에 따라 배터리 전력이 변화된다. 따라서, 운전자의 각 운행 동작에 따른 주행 거리 S에 대한 배터리의 전압은 도 4a에서와 같은 회로로 나타내어짐과 동시에 도 4a의 회로는 도 4b와 같은 등가회로로 나타내어진다.In addition, the electric power of the battery in the driving of the electric vehicle changes the battery power according to the slope of the driving road and the acceleration state of the driver, that is, the pattern of the driver pressing the accelerator pedal. Therefore, the voltage of the battery for the driving distance S according to each driving operation of the driver is represented by the same circuit as in FIG. 4A and the circuit of FIG. 4A is represented by the equivalent circuit as in FIG. 4B.
그러므로, 배터리 전압은
따라서, 실험적 데이터로부터
여기서, 방전량은
이와 같이 각 운행정보에 따라 연산부(21)에서 연산되는 수학식을 비교부(24)에 인가하면, 비교부(24)는 주행 거리와 배터리 에너지량을 비교하여 주행 거리에 따른 배터리 소비전력을 각각의 운행 모드별로 비교하여 그에 대한 결과를 연산부(21)로 전송한다.In this way, when the equation calculated by the calculator 21 according to each driving information is applied to the comparator 24, the comparator 24 compares the driving distance and the amount of battery energy to calculate the battery power consumption according to the driving distance, respectively. Comparing the driving mode of the and transmits the result to the operation unit 21.
그러면, 연산부(21)는 비교부(24)에서 전송된 결과를 디스플레이부(30)를 통해 각 운행 모드별로 주행 거리에 따른 배터리 소비 전력을 운전자가 알 수 있도록 표시하여 준다.Then, the calculator 21 displays the result of the transmission from the comparator 24 so that the driver can know the battery power consumption according to the driving distance for each driving mode through the display unit 30.
이때, 운전자는 디스플레이부(30)를 통해 표시되는 각 모드별 주행거리와 배터리 소비 전력을 확인하여 배터리 에너지 효율이 가장 좋은 주행 모드를 예측하여 전기 자동차를 운행함으로써 전기 자동차의 주행 거리를 연장시킬 수 있다.In this case, the driver may extend the driving distance of the electric vehicle by checking the driving distance and battery power consumption of each mode displayed through the display unit 30 to predict the driving mode having the best battery energy efficiency and driving the electric vehicle. have.
이와 같이 본 발명은 전기 자동차의 운행중 운전자의 운행 습관에 따른 운행 모드별로 주행 거리와 배터리 소비 전력을 비교하여 표시하여 줌으로써 운전자가 배터리 효율이 가장 좋은 운행 모드를 예측하여 전기 자동차의 주행 거리를 연장시킬 수 있도록 한다.As described above, the present invention compares and displays the driving distance and the battery power consumption for each driving mode according to the driving habit of the driver while driving the electric vehicle, thereby extending the driving distance of the electric vehicle by predicting the driving mode having the best battery efficiency. To help.
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KR101294087B1 (en) * | 2011-12-09 | 2013-08-08 | 기아자동차주식회사 | Eco Driving Driver Feedback System For Electric Vehicle And Feedback Method Threreof |
KR101450619B1 (en) * | 2012-09-28 | 2014-10-15 | (주)진우소프트이노베이션 | An apparatus and method for deciding driving efficiencies by collecting and using the weight information related to battery consumption of an electrical auto-mobile |
KR20190025239A (en) * | 2017-09-01 | 2019-03-11 | 현대자동차주식회사 | Method for calculating drivable distance of environmentally friendly vehicle using front traffic information |
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KR101202336B1 (en) | 2010-07-28 | 2012-11-16 | 삼성에스디아이 주식회사 | Electric transfer means and controlling method of the same |
FR2976888B1 (en) | 2011-06-21 | 2013-10-25 | Renault Sa | METHOD FOR AIDING THE DRIVING OF A MOTOR VEHICLE FOR OPTIMIZING THE USE OF THE ENERGY RESERVE |
KR101270116B1 (en) * | 2011-11-09 | 2013-05-31 | 자동차부품연구원 | System for estimating available driving distance of electric vehicles and method therefor |
KR101417401B1 (en) * | 2012-11-12 | 2014-07-08 | 현대자동차주식회사 | Apparatus for guiding drive-able distance of electric vehicle and method thereof |
US10402053B2 (en) | 2014-04-24 | 2019-09-03 | Hyundai Motor Company | Display system |
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KR101294087B1 (en) * | 2011-12-09 | 2013-08-08 | 기아자동차주식회사 | Eco Driving Driver Feedback System For Electric Vehicle And Feedback Method Threreof |
KR101450619B1 (en) * | 2012-09-28 | 2014-10-15 | (주)진우소프트이노베이션 | An apparatus and method for deciding driving efficiencies by collecting and using the weight information related to battery consumption of an electrical auto-mobile |
KR20190025239A (en) * | 2017-09-01 | 2019-03-11 | 현대자동차주식회사 | Method for calculating drivable distance of environmentally friendly vehicle using front traffic information |
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