TWI548552B - Speed control method - Google Patents
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- TWI548552B TWI548552B TW103103250A TW103103250A TWI548552B TW I548552 B TWI548552 B TW I548552B TW 103103250 A TW103103250 A TW 103103250A TW 103103250 A TW103103250 A TW 103103250A TW I548552 B TWI548552 B TW I548552B
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Description
本發明係有關於一種速限控制方法，特別是一種應用於具有扭力式引擎之交通工具的速限控制方法。 The present invention relates to a speed limit control method, and more particularly to a speed limit control method applied to a vehicle having a torsional engine.
各式交通工具的發明讓現代的人們不再像遠古時代需要花費很多時間在兩地的往返，因而人們得以更為有效地利用這些時間來從事各類的創造與發展活動。然而，十次車禍九次快，由於具有相當的速度，在發生撞擊事故時交通工具也當然地產生相當的衝擊力，因而肇生人員傷亡的憾事。 The invention of all kinds of vehicles has made modern people no longer need to spend a lot of time in the two places in ancient times, so people can use these times more effectively to engage in various creative and development activities. However, the ten accidents were nine times faster, and because of the considerable speed, the vehicles also produced considerable impact in the event of a crash, thus causing regrets of casualties.
對此，人們係針對各類型道路提供不同的車速限制以避免車速過快的情況，同時也大幅對各類違規駕駛行為進行取締；不過，仍然會有某些駕駛不遵從所行駛道路上規範的車速限制而發生一次又一次的交通意外。 In this regard, people provide different speed limits for all types of roads to avoid excessive speed, and also greatly ban all types of illegal driving behavior; however, there will still be some driving failure to comply with the norms on the roads Traffic accidents occur again and again.
有鑑於此，本發明係提供一種速限控制方法，使得交通工具可以維持在所行駛道路上的車速限值內，因而提升行車的安全性。 In view of this, the present invention provides a speed limit control method such that the vehicle can be maintained within the vehicle speed limit on the road being traveled, thereby improving the safety of the vehicle.
本發明提供了一種速限控制方法，適用於具有扭力式引擎的交通工具，所述方法包含：取得行車速度與 速度限值並計算出速度差值；依據速度差值取得預定引擎扭力值；偵測油門踏板位置以計算實際引擎扭力值；比較預定引擎扭力值與實際引擎扭力值；以及依據預定引擎扭力值與實際引擎扭力值之較小值控制扭力式引擎之扭力值。 The invention provides a speed limit control method suitable for a vehicle with a torsion engine, the method comprising: obtaining a driving speed and Speed limit and calculate the speed difference; obtain the predetermined engine torque value according to the speed difference; detect the accelerator pedal position to calculate the actual engine torque value; compare the predetermined engine torque value with the actual engine torque value; and according to the predetermined engine torque value The smaller value of the actual engine torque value controls the torque value of the torsion engine.
藉由本發明之速限控制方法，於交通工具未超 出速限時，扭力式引擎係採用由駕駛者踩踏踏板所貢獻的實際引擎扭力值，而使車速在不超出速限的前提下能符合駕駛者的需求；若是交通工具超出當前的車速限制，則此時扭力式引擎會採用由所述速度差值所計算得出預定引擎扭力值而達成交通工具的減速。如此，不僅可以有效地避免駕駛人因為超速而受責罰以外，也可以藉由速限控制提升行車安全。 By the speed limit control method of the present invention, the vehicle is not over At the speed limit, the torsional engine uses the actual engine torque value contributed by the driver's pedaling, so that the vehicle speed can meet the driver's needs without exceeding the speed limit; if the vehicle exceeds the current speed limit, then At this time, the torsion engine will use the predetermined engine torque value calculated from the speed difference to achieve the deceleration of the vehicle. In this way, not only can the driver be effectively prevented from being blamed for speeding, but also the driving safety can be improved by the speed limit control.
S01‧‧‧取得行車速度與速度限值並計算出速度差值 S01‧‧‧Get the speed and speed limits and calculate the speed difference
S02‧‧‧依據速度差值取得預定引擎扭力值 S02‧‧‧Get the predetermined engine torque value based on the speed difference
S03‧‧‧偵測油門踏板位置以計算實際引擎扭力值 S03‧‧‧Detect the accelerator pedal position to calculate the actual engine torque value
S04‧‧‧比較預定引擎扭力值與實際引擎扭力值 S04‧‧‧Compare the predetermined engine torque value and the actual engine torque value
S05‧‧‧依據預定引擎扭力值與實際引擎扭力值之較小值控制扭力式引擎之扭力值 S05‧‧‧Control the torque value of the torsion engine according to the smaller value of the predetermined engine torque value and the actual engine torque value
P01‧‧‧擷取影像 P01‧‧‧ Capture image
P02‧‧‧辨識影像以得到交通工具速限標誌 P02‧‧‧ Identify images to get the vehicle speed limit sign
P03‧‧‧根據交通工具速限標誌取得速度限值 P03‧‧‧Acquisition speed limit based on vehicle speed limit sign
Q01‧‧‧判斷所在位置 Q01‧‧‧Judge where you are
Q02‧‧‧根據衛星圖資取得所在位置之速度限制資訊以取得速度限值 Q02‧‧‧Acquire speed limit information based on satellite maps to obtain speed limit
R01‧‧‧自導航系統取得速度限值 R01‧‧‧Get speed limit from navigation system
T01‧‧‧提供速度差值至增益值對照表以獲得與速度差值相對應之增益值 T01‧‧‧ provides a speed difference to gain value comparison table to obtain a gain value corresponding to the speed difference
T02‧‧‧根據增益值取得預定引擎扭力值 T02‧‧‧Actain the predetermined engine torque value according to the gain value
T021‧‧‧輸入所述增益值至控制器以計算預定引擎扭力值 T021‧‧‧ Enter the gain value to the controller to calculate the predetermined engine torque value
U01‧‧‧於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之至少一節氣門 U01‧‧‧ Control at least one throttle of the torsion engine when the predetermined engine torque value is less than the actual engine torque value
V01‧‧‧於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之點火角 V01‧‧‧Controls the ignition angle of the torsion engine when the predetermined engine torque is less than the actual engine torque
W01‧‧‧於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之噴油量 W01‧‧‧Controls the amount of fuel injected by the torsion engine when the predetermined engine torque is less than the actual engine torque
第1圖係為本發明一實施例之速限控制方法之流程示意圖(一)。 FIG. 1 is a schematic flow chart (1) of a speed limit control method according to an embodiment of the present invention.
第2A圖係為本發明一實施例之速限控制方法之取得速度限值之步驟的流程示意圖(一)。 FIG. 2A is a schematic flow chart (1) of the steps of obtaining the speed limit value of the speed limit control method according to an embodiment of the present invention.
第2B圖係為本發明一實施例之速限控制方法之取得速度限值之步驟的流程示意圖(二)。 2B is a schematic flow chart (2) of the steps of obtaining the speed limit of the speed limit control method according to an embodiment of the present invention.
第2C圖係為本發明一實施例之速限控制方法之取得速度限值之步驟的流程示意圖(三)。 2C is a schematic flow chart (3) of the steps of obtaining the speed limit of the speed limit control method according to an embodiment of the present invention.
第3圖係為本發明一實施例之速限控制方法之取得預 定引擎扭力值之步驟的流程示意圖。 Figure 3 is a pre-emptive method for controlling the speed limit according to an embodiment of the present invention. A schematic diagram of the process of determining the engine torque value.
第4A圖係為本發明一實施例之速限控制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(一)。 FIG. 4A is a schematic flow chart (1) of the steps of controlling the torque value of the torsion engine according to the smaller of the predetermined engine torque value and the actual engine torque value according to the speed limit control method according to an embodiment of the present invention.
第4B圖係為本發明一實施例之速限控制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(二)。 FIG. 4B is a schematic flow chart (2) of the step of controlling the torque value of the torsion engine according to the smaller of the predetermined engine torque value and the actual engine torque value according to the speed limit control method according to an embodiment of the present invention.
第4C圖係為本發明一實施例之速限控制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(三)。 FIG. 4C is a schematic flow chart (3) of the step of controlling the torque value of the torsion engine according to the smaller of the predetermined engine torque value and the actual engine torque value according to the speed limit control method according to an embodiment of the present invention.
請參照第1圖，其為本發明一實施例之速限控制方法的流程示意圖(一)，其具體揭露了本發明之速限控制方法，所述方法係適用於具有扭力式引擎的交通工具；舉例而言，交通工具可以為汽車、大客車等，但本發明並不以此為限。所述方法包含：步驟S01：取得行車速度與速度限值並計算出速度差值；步驟S02：依據速度差值取得預定引擎扭力值；步驟S03：偵測油門踏板位置以計算實際引擎扭力值；步驟S04：比較預定引擎扭力值與實際引擎扭力值；步驟S05：依據預定引擎扭力值與實際引擎扭力值之較小值控制扭力式引擎之扭力值。 Please refer to FIG. 1 , which is a schematic flowchart (1) of a speed limit control method according to an embodiment of the present invention, which specifically discloses a speed limit control method according to the present invention, and the method is applicable to a vehicle with a torsion engine. For example, the vehicle may be a car, a bus, or the like, but the invention is not limited thereto. The method includes: step S01: obtaining a driving speed and speed limit and calculating a speed difference; step S02: obtaining a predetermined engine torque value according to the speed difference; step S03: detecting an accelerator pedal position to calculate an actual engine torque value; Step S04: Comparing the predetermined engine torque value with the actual engine torque value; Step S05: controlling the torque value of the torque engine according to a predetermined value of the predetermined engine torque value and the actual engine torque value.
步驟S01為取得行車速度與速度限值並計算出速度差值，其係包含以下步驟：步驟S011：取得行車速度；以及步驟S012：取得速度限值。在此，行車速度即為 交通工具之實際車速，係可藉由車速表得知。速度限值則為交通工具當前所行駛的道路速限。速度差值係以行車速度減去速度限值而得。另外，本發明之方法係可以由所述交通工具所具有之車控系統運行，但並不以此為限。步驟S02為依據速度差值取得預定引擎扭力值。於此步驟中，交通工具係將取得的速度差值透過運算技術換算為預定引擎扭力值。在此需要說明的是，預定引擎扭力值是對應前述之行車速度與速度限值所設定的引擎扭力值，而可以使交通工具不超出當前所行駛的道路速限。步驟S03為偵測油門踏板位置以計算實際引擎扭力值。由於駕駛者施加於踏板的力道不同會導致油門踏板位置有所變化，進而產生不同的引擎扭力值。在此，實際引擎扭力值指的是駕駛者目前施加於踏板的力道所貢獻的引擎扭力值。油門踏板的位置係可以透過量測力矩改變的方式決定，但本發明並不以此為限。步驟S04：比較預定引擎扭力值與實際引擎扭力值；步驟S05：依據預定引擎扭力值與實際引擎扭力值之較小值控制扭力式引擎之扭力值。換句話說，於步驟S04與S05中，係依據預定引擎扭力值與實際引擎扭力值之較小者作為控制引擎的扭力值的基準。 Step S01 is to obtain the driving speed and speed limit and calculate the speed difference, which includes the following steps: step S011: obtaining the driving speed; and step S012: obtaining the speed limit. Here, the driving speed is The actual speed of the vehicle can be known by the speedometer. The speed limit is the road speed limit at which the vehicle is currently traveling. The speed difference is obtained by subtracting the speed limit from the driving speed. In addition, the method of the present invention can be operated by the vehicle control system of the vehicle, but is not limited thereto. Step S02 is to obtain a predetermined engine torque value according to the speed difference. In this step, the vehicle converts the obtained speed difference into a predetermined engine torque value through a computing technique. It should be noted that the predetermined engine torque value is an engine torque value set corresponding to the aforementioned driving speed and speed limit, and the vehicle can be made not to exceed the current road speed limit. Step S03 is to detect the accelerator pedal position to calculate the actual engine torque value. Due to the different force applied by the driver to the pedal, the position of the accelerator pedal changes, which in turn produces different engine torque values. Here, the actual engine torque value refers to the engine torque value contributed by the driver's current force applied to the pedal. The position of the accelerator pedal can be determined by measuring the torque change, but the invention is not limited thereto. Step S04: Comparing the predetermined engine torque value with the actual engine torque value; Step S05: controlling the torque value of the torque engine according to a predetermined value of the predetermined engine torque value and the actual engine torque value. In other words, in steps S04 and S05, the smaller of the predetermined engine torque value and the actual engine torque value is used as a reference for controlling the torque value of the engine.
藉由上揭方法，於交通工具未超出速限時，係 可以使扭力式引擎採用由踏板(駕駛者)所貢獻的實際引擎扭力值，而使車速符合駕駛者的需求；舉例而言，當駕駛者輕踩踏板或將踏板完全放掉時，扭力式引擎係採用實際引擎扭力值，而使交通工具因應駕駛者需求達成減速或 是怠速滑行的情況。另一方面，若是交通工具超出當前的車速限制，則此時引擎會採用預定引擎扭力值達成交通工具的減速而使得交通工具沒有超速，不僅能夠避免駕駛者受到責罰也可以確保駕駛者的行車安全；而若此時駕駛人改變踩踏踏板的力道而使得實際引擎扭力值小於預定引擎扭力值時，則扭力式引擎會再次採用實際引擎扭力值。換句話說，本發明之速限控制方法於執行後將不斷地取得並比較交通工具當下狀態的預定引擎扭力值以及實際引擎扭力值，並且根據其中之較低值對扭力式引擎的扭力值進行調整。需要說明的是，本發明之步驟順序並不以其編號大小為限，亦可加以調動只要不違反邏輯性即可。舉例而言，亦可以先執行步驟S03，待取得實際引擎扭力值之後再執行步驟S01與步驟S02。 By means of the above method, when the vehicle does not exceed the speed limit, The torsional engine can be used with the actual engine torque value contributed by the pedal (driver) to match the driver's needs; for example, when the driver taps the pedal or completely releases the pedal, the torsional engine Use actual engine torque values to cause the vehicle to slow down or meet the driver's needs It is the case of idling speed. On the other hand, if the vehicle exceeds the current speed limit, then the engine will use the predetermined engine torque value to achieve the deceleration of the vehicle so that the vehicle does not overspeed, not only to avoid the driver being punished but also to ensure the driver's driving safety. If the driver changes the force of the pedal to make the actual engine torque value less than the predetermined engine torque value, the torque engine will again use the actual engine torque value. In other words, the speed limit control method of the present invention continuously acquires and compares the predetermined engine torque value and the actual engine torque value of the current state of the vehicle after execution, and performs the torque value of the torsional engine according to the lower value thereof. Adjustment. It should be noted that the order of the steps of the present invention is not limited to the number of the number, and may be mobilized as long as it does not violate the logic. For example, step S03 may be performed first, and step S01 and step S02 are performed after the actual engine torque value is obtained.
請參閱第2A圖，係為本發明一實施例之速限 控制方法之取得速度限值之步驟的流程示意圖(一)。於取得速度限值之步驟中，係包含以下步驟：步驟P01：擷取影像；步驟P02：辨識影像以得到交通工具速限標誌；步驟P03：根據交通工具速限標誌取得速度限值。具體來說，係可以藉由行車記錄器之攝影/拍照功能或者車內攝像機而擷取影像。然後透過影像演算法進行影像處理以辨識影像中所涵蓋的交通工具速限標誌從而得到交通工具速限標誌所表示的速度限值；然而，本發明取得速度限值之方式並不以此為限。 Please refer to FIG. 2A, which is a speed limit according to an embodiment of the present invention. Schematic diagram of the process of obtaining the speed limit of the control method (1). In the step of obtaining the speed limit, the method includes the following steps: step P01: capturing an image; step P02: recognizing the image to obtain a vehicle speed limit flag; and step P03: obtaining a speed limit according to the vehicle speed limit flag. Specifically, the image can be captured by the camera/photographing function of the driving recorder or the camera inside the vehicle. The image processing is then performed by the image algorithm to identify the vehicle speed limit flag covered in the image to obtain the speed limit indicated by the vehicle speed limit flag; however, the method for obtaining the speed limit of the present invention is not limited thereto. .
請參閱第2B圖，係為本發明一實施例之速限 控制方法之取得速度限值之步驟的流程示意圖(二)。於此，取得速度限值之步驟中，係包含以下步驟：Q01：判斷所在位置；Q02：根據衛星圖資取得所在位置之速度限制資訊以取得速度限值。具體來說，係可以透過定位系統判斷交通工具的所在位置，而後再根據內建於定位系統或者與定位系統訊號連結的衛星圖資資料庫取得所在位置的速度限制資訊取得速度限值。前述之定位系統係可以內建於交通工具或者額外裝設於交通工具。 Please refer to FIG. 2B, which is a speed limit according to an embodiment of the present invention. Schematic diagram of the process of obtaining the speed limit of the control method (2). Here, the step of obtaining the speed limit includes the following steps: Q01: determining the location; Q02: obtaining the speed limit information according to the position of the satellite image to obtain the speed limit. Specifically, the location of the vehicle can be determined by the positioning system, and then the speed limit information of the location is obtained according to the satellite image database built in the positioning system or connected to the positioning system signal. The aforementioned positioning system can be built in a vehicle or additionally installed in a vehicle.
請參閱第2C圖，係為本發明一實施例之速限 控制方法之取得速度限值之步驟的流程示意圖(三)。於此，取得速度限值之步驟中，係包含以下步驟：R01：自導航系統取得速度限值。於此實施樣態中，交通工具可以藉由導航系統獲取前述之速度限值。具體來說，導航系統先判斷交通工具目前的所在位置，再根據衛星圖資資料庫得到所在位置的速度限制資訊，並直接將速度限制資訊轉換成速度限值提供給交通工具。舉例而言，所在位置的速度限制資訊係可能包含行車速限的最低門檻值與最高門檻值以及其他速度限制資訊。此時，僅需將其中的行車速限的最高門檻值轉換成速度限值即可。 Please refer to FIG. 2C, which is a speed limit according to an embodiment of the present invention. Schematic diagram of the process of obtaining the speed limit of the control method (3). Here, the step of obtaining the speed limit includes the following steps: R01: obtaining a speed limit from the navigation system. In this embodiment, the vehicle can obtain the aforementioned speed limit by the navigation system. Specifically, the navigation system first determines the current location of the vehicle, and then obtains the speed limit information of the location according to the satellite image database, and directly converts the speed limit information into a speed limit for providing to the vehicle. For example, the speed limit information at the location may include the minimum threshold and maximum threshold for driving speed limits and other speed limit information. At this time, it is only necessary to convert the highest threshold value of the driving speed limit into the speed limit.
請參閱第3圖，為本發明一實施例之速限控制 方法之取得預定引擎扭力值之步驟的流程示意圖。於此，取得預定引擎扭力之步驟中，係包含以下步驟：T01：提供速度差值至增益值對照表以獲得與速度差值相對應之增益值；T02：根據增益值取得預定引擎扭力值。具體來說，前 述之速度差值係藉由車控系統透過運算技術先換算得出與其相對應之增益值；在此，增益值的數值大小係可將速度差值對照增益值對照表而決定，增益值之類型係可以為比例增益值(proportional gain)、積分增益值(integral gain)、微分增益值(differential gain)或其組合；於此實施態樣中，增益值為比例增益值與積分增益值之組合。所述增益值對照表係存儲於車控系統內而便於決定各速度差值的相對應增益值。 Please refer to FIG. 3, which is a speed limit control according to an embodiment of the present invention. A schematic diagram of the process of obtaining a predetermined engine torque value. Herein, the step of obtaining the predetermined engine torque includes the following steps: T01: providing a speed difference to a gain value comparison table to obtain a gain value corresponding to the speed difference; T02: obtaining a predetermined engine torque value according to the gain value. Specifically, before The speed difference is calculated by the vehicle control system through the operation technology to obtain the corresponding gain value; here, the value of the gain value can be determined by comparing the speed difference with the gain value table, and the gain value is The type system may be a proportional gain, an integral gain, a differential gain, or a combination thereof. In this embodiment, the gain value is a combination of a proportional gain value and an integral gain value. . The gain value comparison table is stored in the vehicle control system to facilitate determining the corresponding gain value of each speed difference.
請再次參閱第3圖，於根據增益值取得預定引 擎扭力值之步驟中，更包含步驟T021：輸入所述增益值至控制器以計算預定引擎扭力值。具體而言，當獲得前述增益值後，交通工具或其車控系統會將增益值輸入至控制器而使控制器藉由增益值計算預定引擎扭力值。控制器係與交通工具或其車控系統訊號連接而可使交通工具取得預定引擎扭力值；另外，對應增益值的種類不同，控制器係可以為比例積分控制器(PI controller)、比例微分控制器(PD controller)、比例積分微分控制器(PID controller)；於本實施例中，對應增益值為比例增益值與積分增益值之態樣，控制器系為比例積分控制器，但本發明並不以此為限。 Please refer to Figure 3 again to obtain a predetermined reference based on the gain value. The step of the engine torque value further includes a step T021: inputting the gain value to the controller to calculate a predetermined engine torque value. Specifically, when the aforementioned gain value is obtained, the vehicle or its vehicle control system inputs the gain value to the controller to cause the controller to calculate the predetermined engine torque value by the gain value. The controller is connected to the vehicle or its vehicle control system signal to enable the vehicle to obtain the predetermined engine torque value; in addition, the controller can be a proportional controller (PI controller) and proportional differential control according to different types of gain values. (PD controller), proportional integral derivative controller (PID controller); in this embodiment, the corresponding gain value is a ratio of the proportional gain value and the integral gain value, and the controller is a proportional integral controller, but the present invention Not limited to this.
請參閱第4A圖，為本發明一實施例之速限控 制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(一)。於此，依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟中，係包含以下步驟：U01： 於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之至少一節氣門。具體而言，當預定引擎扭力值小於實際引擎扭力值時，交通工具會採用預定引擎扭力值因而進行減速作業。於此實施態樣中，係透過調整節氣門的大小進而控制扭力式引擎之扭力值，從而讓交通工具不會發生超速的情況；然而，本發明並不以此為限，亦可藉由其他方式控制扭力式引擎之扭力值。另外需要說明的是，由於某些扭力式引擎係為具有複數個節氣門的態樣，因此本步驟亦可以同時以一固定值/一非固定值調整複數個節氣門。 Please refer to FIG. 4A, which is a speed limit control according to an embodiment of the present invention. The method is based on the flow chart of the steps of controlling the torque value of the torsion engine according to the predetermined engine torque value and the actual engine torque value (1). Here, the step of controlling the torque value of the torsion engine according to the predetermined engine torque value and the actual engine torque value includes the following steps: U01: At least one throttle of the torsion engine is controlled when the predetermined engine torque value is less than the actual engine torque value. Specifically, when the predetermined engine torque value is less than the actual engine torque value, the vehicle uses the predetermined engine torque value to perform the deceleration operation. In this embodiment, the torque of the torsion engine is controlled by adjusting the size of the throttle valve, so that the vehicle does not overspeed; however, the invention is not limited thereto, and may be The way to control the torque value of the torsion engine. In addition, since some torsion engines have a plurality of throttles, this step can also adjust a plurality of throttles at a fixed value/a non-fixed value at the same time.
請參閱第4B圖，為本發明一實施例之速限控 制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(二)。於此，依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟中，係包含以下步驟：V01：於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之點火角。具體而言，當預定引擎扭力值小於實際引擎扭力值時，交通工具會採用預定引擎扭力值因而進行減速作業。於此實施態樣中，係透過調整扭力式引擎的點火角進而減少扭力式引擎之扭力值，從而讓交通工具不會發生超速的情況。 Please refer to FIG. 4B, which is a speed limit control according to an embodiment of the present invention. The method is based on the flow chart of the steps of controlling the torque value of the torsion engine according to the smaller value of the predetermined engine torque value and the actual engine torque value (2). Here, the step of controlling the torque value of the torsion engine according to the predetermined engine torque value and the actual engine torque value includes the following steps: V01: controlling the torque type when the predetermined engine torque value is smaller than the actual engine torque value The ignition angle of the engine. Specifically, when the predetermined engine torque value is less than the actual engine torque value, the vehicle uses the predetermined engine torque value to perform the deceleration operation. In this embodiment, the torque of the torsion engine is adjusted by adjusting the ignition angle of the torsion engine, so that the vehicle does not overspeed.
請參閱第4C圖，為本發明一實施例之速限控 制方法之依據預定引擎扭力值與實際引擎扭力值之較小者控制扭力式引擎之扭力值之步驟的流程示意圖(三)。於此，依據預定引擎扭力值與實際引擎扭力值之較小者控制 扭力式引擎之扭力值之步驟中，係包含以下步驟：W01：於預定引擎扭力值小於實際引擎扭力值時，控制扭力式引擎之噴油量。具體而言，當預定引擎扭力值小於實際引擎扭力值時，交通工具會採用預定引擎扭力值因而進行減速作業。於此實施態樣中，係透過調整扭力式引擎的噴油量進而調整扭力式引擎之扭力值，從而讓交通工具不會發生超速的情況。 Please refer to FIG. 4C, which is a speed limit control according to an embodiment of the present invention. The method is based on the flow chart of the steps of controlling the torque value of the torsion engine according to the smaller value of the predetermined engine torque value and the actual engine torque value (3). Here, the control is based on the predetermined engine torque value and the actual engine torque value. The torque engine torque step includes the following steps: W01: Controls the amount of fuel injected by the torque engine when the predetermined engine torque value is less than the actual engine torque value. Specifically, when the predetermined engine torque value is less than the actual engine torque value, the vehicle uses the predetermined engine torque value to perform the deceleration operation. In this embodiment, the torque of the torsion engine is adjusted by adjusting the amount of fuel injected by the torsion engine, so that the vehicle does not overspeed.
需要說明的是，於依據預定引擎扭力值與實際 引擎扭力值之較小者控制扭力式引擎之扭力值之步驟中，亦可以為同時調整扭力式引擎之至少一節氣門、點火角以及噴油量來控制扭力式引擎的扭力值。在此，可以調整節氣門以粗調整扭力式引擎的扭力值，可以調整點火角與噴油量來微調整扭力式引擎的扭力值。 It should be noted that, based on the predetermined engine torque value and actual In the step of controlling the torque value of the torsion engine, the smaller the torque value of the engine, the torque value of the torsion engine may be controlled by simultaneously adjusting at least one valve, the ignition angle and the fuel injection amount of the torsion engine. Here, the throttle valve can be adjusted to coarsely adjust the torque value of the torsion engine, and the ignition angle and the fuel injection amount can be adjusted to finely adjust the torque value of the torsion engine.
綜上所述，藉由本發明之速限控制方法，於交 通工具未超出速限時，扭力式引擎係採用由駕駛者踩踏踏板所貢獻的實際引擎扭力值，而使車速在不超出速限的前提下能符合駕駛者的需求；若是交通工具超出當前的車速限制，則此時扭力式引擎會採用由所述速度差值所計算得出預定引擎扭力值而達成交通工具的減速。如此，不僅可以有效地避免駕駛人因為超速而受責罰以外，也可以藉由速限控制提升行車安全。 In summary, by the speed limit control method of the present invention, When the tool does not exceed the speed limit, the torsion engine adopts the actual engine torque value contributed by the driver pedaling the pedal, so that the vehicle speed can meet the driver's demand without exceeding the speed limit; if the vehicle exceeds the current speed Limiting, then the torsional engine will use the predetermined engine torque value calculated from the speed difference to achieve the deceleration of the vehicle. In this way, not only can the driver be effectively prevented from being blamed for speeding, but also the driving safety can be improved by the speed limit control.
雖然本發明的技術內容已經以較佳實施例揭 露如上，然其並非用以限定本發明，任何熟習此技藝者，在不脫離本發明之精神所作些許之更動與潤飾，皆應涵蓋 於本發明的範疇內，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。 Although the technical content of the present invention has been disclosed in the preferred embodiment The above is not intended to limit the invention, and any modifications and refinements made by those skilled in the art without departing from the spirit of the invention should be covered. Within the scope of the present invention, the scope of the invention is therefore defined by the scope of the appended claims.
S01‧‧‧取得行車速度與速度限值並計算出速度差值 S01‧‧‧Get the speed and speed limits and calculate the speed difference
S02‧‧‧依據速度差值取得預定引擎扭力值 S02‧‧‧Get the predetermined engine torque value based on the speed difference
S03‧‧‧偵測油門踏板位置以計算實際引擎扭力值 S03‧‧‧Detect the accelerator pedal position to calculate the actual engine torque value
S04‧‧‧比較預定引擎扭力值與實際引擎扭力值 S04‧‧‧Compare the predetermined engine torque value and the actual engine torque value
S05‧‧‧依據預定引擎扭力值與實際引擎扭力值之較小值控制扭力式引擎之扭力值 S05‧‧‧Control the torque value of the torsion engine according to the smaller value of the predetermined engine torque value and the actual engine torque value
Claims (10)
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| TW103103250A TWI548552B (en) | 2014-01-28 | 2014-01-28 | Speed control method |
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| TW103103250A TWI548552B (en) | 2014-01-28 | 2014-01-28 | Speed control method |
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