2021 Earlier this year , Held in the hinterland of Inner Mongolia Desert “ Crossing over dangerous obstacles 2020” Ground unmanned equipment challenge . This event is relatively “ Crossing over dangerous obstacles 201X” Series of events , There are many kinds of modern unmanned combat scenarios , Integrated photoelectric reconnaissance with greater power consumption and unmanned driving / Unmanned combat wheeled equipment . Compared with the past “ Crossing over dangerous obstacles 20XX” event , The proportion of wheel shoe equipment with full electric drive or increased program oil electric hybrid drive has increased significantly . In particular, the wheel shoe equipment using the incremental oil electric hybrid drive scheme shows strong trafficability , Surge in power consumption and perception of the environment / The power supply capacity of photoelectric reconnaissance upper module is very significant . The evaluation team of new energy information analysis network will participate in “ Crossing over dangerous obstacles 2020” Ground unmanned equipment challenge , Based on Jialing Group CSV/P11 Type sm 4x4 Focus on global high-speed motor vehicles and modified driverless technology verification vehicles , And change clothes PHEV Study and judge the application direction of small flat wire motor by power system . remarks ： Final vehicle technical status , By manufacturer 、 The information released by the improver shall prevail 1、 Old track equipment power assembly “ Vertical to horizontal ”, Replace the incremental oil electric hybrid drive system , Match the technical advantages of flat wire motor for large-scale and high-power power power generation ： stay 2020 year 12 Issued in the monthly magazine 《 from 63 Research and judge the application direction of flat wire motor 》 In the article “ The adaptive incremental program oil electric hybrid system is predicted , change “1 Slot 8 Line ” Flat wire winding motor , Achieve a higher level of covert mobility tactical advantage , And support the later installation of operations with greater power consumption / The possibility of installing environment aware modules .
The picture above shows 63 Extended range hybrid unmanned armored technology verification vehicle rear power cabin , Close up of details of each subsystem . White arrow ： Transverse in-line four cylinder 2.8T The diesel engine Blue arrow ： A generator directly associated with a diesel engine The green arrow ： Generator control module It should be noted that （1）, The front-end longitudinal traditional powertrain of the prototype is modified to the rear-end transverse extended range hybrid assembly , The size and dead weight of the generator associated with the engine can be set larger , With Get higher generation power .“ Vertical to horizontal ” after , There is more space to deploy “1 Slot 8/10 Line ” Flat wire winding technology generator , So that the maximum generating power can be extended to 200-300 kw ！ It highlights the technical and tactical advantages of high mobility of the vehicle after electric transformation .2、 The new wheeled equipment is equipped with an additional program oil electric hybrid drive system as standard , Calibrate the technical advantages of medium power flat wire motor for medium-sized power generation ： stay 2021 year 10 Issued in the monthly magazine 《 exclusive ： Extended range hybrid ？ Study and judge 2 generation 6 Technical and tactical status of wheel driven mountain car family 》 In the article ,“ Anticipation ” The standard additional program oil electric hybrid system , Replace the flat wire winding to generate balanced generating power and driving power and start the generator , The obtained high mobility and servo rich investigation 、 Electronics 、 fire 、 Tactical advantages of the upper module of the supply function . Due to the adoption of forward development model platform ,2 generation 6 The wheel driven SM can easily arrange the diesel engine - Generator and torque distribution module . however , The overall dimensions are strictly limited , Study on the technical and tactical advantages of light and high mobility 2 generation 6 The space of the wheel driven SM power cabin is still very limited . It should be noted that （2）, Shaped 2 generation 6 The standard middle rear power assembly and transverse torque distribution module of the wheel driven SM family , The configured motor can keep the diameter and length in a balanced state . And application “1 Slot 6 Line ” Medium power generator with flat wire winding technology , The maximum generating power can be maintained at 40-60 kw , It can better meet the balanced demand of this forward development light wheeled vehicle for mobility and power generation .3、 Sm 4x4 Driverless technology verification vehicle longitudinal powertrain , The original position is equipped with small power generation / Technical advantages of flat wire motor for driving ： stay 2021 At the Zhuhai Air Show in , Sm 4x4 The whole area high-speed motor vehicles waded 、 Speed up 、 Dynamic display such as climbing . This Bobcat 4x4 Global high vehicle carrying capacity 1 Four in-line cylinders 1.3 Displacement turbocharged diesel engine 、 simulation 4 Forward speed CVT The transmission , adapter 1 Taiwan electric control time-sharing 4WD system is equipped with rear differential lock . Sm 4x4 The whole area high-speed motor vehicle adopts front and rear double A Independent suspension + Disconnect the open drive axle , In order to cope with complex road conditions and have better trafficability , Set the long stroke coil spring . The picture above shows sm 4x4 The driverless technology verifies the lateral close-up of the latest state of the vehicle . Visible overhead 3 Group solid state lidar （ red \ yellow \ The blue arrow indicates ）,2 Group Beidou navigation system receiving antenna （ The white arrow indicates ）. The picture above is for “ Crossing over dangerous obstacles 2020” The bobcat race 4x4 Close up of the rear of the driverless technology verification vehicle . Visible overhead 1 Group solid state lidar （ The white arrow indicates ）、2 Group Beidou navigation system receiving antenna （ The green arrow indicates ）、 It is set at the front, rear, left and right of the car body 4 Group white light video acquisition system （ The yellow arrow indicates ）、 Front and rear setting of vehicle body 2 Group millimeter wave radar . The red arrow ： Sm 4x4 Driverless technology verifies the rear disconnected drive axle of the vehicle It should be noted that （3）, Sm 4x4 The driverless technology verification vehicle retains all the power of the prototype vehicle 、 Transmission 、 4WD and suspension system . The electric control time differential lock of the prototype is matched with the rear four-wheel drive , It can ensure that the trafficability of the vehicle is in the strongest state . And driving on paved roads , Rear wheel drive mode can be selected . The red arrow ： Electronic 4WD switch Blue arrow ： Rear differential lock switch It should be noted that （4）, As a military unmanned technology verification vehicle , Meet the requirements of multiple groups of laser radars installed later 、 Millimeter wave radar 、 Video capture system 、 Power supply of on-board communication system and high and low voltage control system , All rely on the power generation at the vehicle end / Power storage system . However , Sm 4x4 Global high vehicle adaptation 12 V low voltage power system , It can only meet the requirements of vehicle starting and low-power external discharge . In order to meet the normal use needs of the environment aware top with a significant increase in power consumption , The vehicle must be equipped with a high-power power generation system . In order to meet the needs of military driverless technology and evolved by wire chassis , All electric drive must be improved for the vehicle . It should be noted that （5）, On the basis of traditional power, it can also evolve into a chassis controlled by wire . But with PHEV\EREV\EV Drive technology improved by wire chassis , With more efficient computing / feedback / Execution efficiency , And the operation accuracy is more accurate . remarks ：2020 Civil chassis by wire technology after , With EREV\EV Based on driver architecture , Full electric acceleration 、 Full electric braking and high-precision full electric steering function . Sm 4x4 Global high vehicle in longitudinal engine and CVT Between , Series connection 1 A generator / The relative position of the drive motor is the same as that of the electric motor / Flow chart of torque distribution strategy . Red area ： A longitudinal engine that retains the status of the original vehicle ; Green area ： Post installed power generation / Drive motor ; Yellow area ： Keep the original car CVT; The blue area ： Electricity generated by / The electric quantity output by the drive motor , It is used to drive the environment aware upper module ; White area ： Electricity generated by / The electric quantity output by the drive motor , Used for power battery system storage ; The red arrow ： Engine and power generation / Drive motor coordination , The output power passes through CVT, Output torque for 4WD transfer case ; Yellow arrow ： After the secondary distribution of the transfer case , Transmit torque to the front and rear drive axles Sm 4x4 Driverless technology verification vehicle , Such as the longitudinal engine in the original vehicle state and CVT Between ,“ Insert ”1 A generator / Drive the motor and install the power battery system , It takes into account PHEV The high performance of the model and the trafficability of traditional off-road vehicles . According to SM 4x4 The longitudinal engine used by high-speed motor vehicles in the whole area -CVT The transmission - Comparison of front and rear axle and four-wheel drive splitter , In the longitudinal engine and CVT The transmission is connected in series 400V The motor with both power generation and driving requirements can achieve the following functions ：#1、 In idle power generation mode , All power from the engine is converted into electricity , Or for environmental perception of installed power demand 、 Or store the power to the power battery ;#2、 In driving power generation mode , Match the appropriate electronic control technology for power diversion , On the basis of driving power generation, adjust the installed power consumption of environmental perception 、 Power consumption of drive system 、 Power battery storage ratio ;#3、 Full power output in hybrid drive mode , Cooperate with the transfer case to evenly distribute the maximum torque to the front and rear drive axles , Greatly improve the vehicle trafficability ;#4、 In all electric drive mode , Still can be in 2 Drive and 4 Switch between drive modes , Achieve the tactical demand for concealing its own thermal radiation signal in a quiet environment ; Yes, Sm 4x4 Class high motor vehicles , Longitudinal power 、 The transmission and four-wheel drive systems are strictly limited to a certain range . In engine and transmission （ The transmission ） A group with the same diameter as the power take-off end of the engine is installed between them , But highly compressed power generation / Flat wire motor for driving , Make the whole vehicle and top loaded with more technical and tactical advantages , Is the only way to improve .
In order to retain the power of the original car to the greatest extent 、 Drive and 4WD system requirements , Between engine and transmission “ Insert ”1 platform 270 series -PHEV A dedicated P2 The motor is very suitable . Adopt centralized winding process , The maximum output power can be in 45-85 KW setting 、 The maximum output torque can be 180-250 Torque setting , about AT\CVT\DCT The transmission has good compatibility .
When the motor with flat wire winding technology is used for axial drive of longitudinal power system , The improvement of traditional power driven strip vehicle is minimal , Retain the original trafficability and reliability settings to the greatest extent , The risk after modification is small 、 Less investment and cost .#1, The motor based on flat wire winding technology is used for ISG When starting the all-in-one generator , It can fully reduce the size of motor stator end , Shorten the length of the whole machine , It is convenient to be placed horizontally in the front and rear power cabin of the vehicle , Improved space utilization , It is convenient to carry larger upper modules .#2, The motor based on flat wire winding technology is used for ISG When starting the all-in-one generator , Relative to circular wire winding motors of the same size , More efficient power generation , Meet the power demand of the upper module with greater power consumption .#3, The motor based on flat wire winding technology is used for wheel side drive , Compared with the traditional power multi drive axle vehicle , Remove the main drive shaft 、 Transfer case 、 Differential and drive axle shaft , Free up a lot of space or reduce self weight to increase mobility , Or used to carry upper modules with larger dimensions .#4, The structure of flat wire winding motor made of copper is quite different from that of conventional motor , The internal heat distribution is more uniform , It can be overloaded in large proportion , Increasing continuous power and peak power are important parameters . The motor with flat wire winding technology is fully applied to the equipment of extended range hybrid wheel shoe , It can reduce the demand for cooling system , Better integrate into the thermal management control system at the vehicle level , Directly improve the efficiency of the whole vehicle , Or increase the range of maneuvers 、 Or increase the combat radius .4、 Power generation based on flat wire winding technology / Drive motor and control system , The era of comprehensive application of military wheel shoe equipment improvement and new equipment being developed has come ： stay “ Crossing over dangerous obstacles 2014” In the ground unmanned equipment challenge , The earliest generation of Bobcats 4x4 Driverless technology verification vehicle （ Red arrow ）, With the first 2 generation 63 Driverless technology verification vehicle （ The yellow arrow indicates ）, Adopt a certain type of 4x4 The medium-sized safety vehicle is an unmanned verification vehicle with vehicle , Complete all events .
here , These three ultra light wheeled 、 The medium wheeled and medium tracked driverless technology verification vehicle has not made any electric improvement , Or the mechanical chassis by wire technology . stay “ Crossing over dangerous obstacles 2016” In the ground unmanned equipment challenge , The first 2 Generation Bobcat 4x4 Driverless technology validates the expansion of the environmental awareness module of the vehicle , Better 360 Wide range lidar and relatively perfect mechanical chassis by wire technology . stay “ Crossing over dangerous obstacles 2018” In the ground unmanned equipment challenge , More driverless equipment using incremental oil electric hybrid drive technology and all electric drive technology , Even more unmanned vehicles with multiple firepower projection modules / Unmanned combat equipment also appeared in the event queue . The first 3 Generation Bobcat 4x4 Driverless technology verification vehicle （ The white arrow indicates ）, In order to meet the application of more sensing equipment , The efficiency of driving power generation is strengthened . stay “ Crossing over dangerous obstacles 2020” In the ground unmanned equipment challenge , The latest Bobcat 4x4 The driverless technology verification vehicle is based on more accurate by wire chassis technology , Reached a bike leader - Other vehicles are connected in real-time formation - The tactical capability of unmanned driving to the designated destination . you 're right ！ By different power / Size: flat wire winding motor centered wire control chassis , To satisfy the 500 The power demand of military wheel shoes on V voltage platform is at the same time , Electric acceleration 、 Electric brake 、 Technical advantages of high-precision electric steering , Provide comprehensive technical support for the achievement of tactical capability of unmanned combat . Some Chinese local flat wire motor suppliers are already in 2022 year , Batch manufacturing of longitudinal for wheel shoe equipment platform adaptation \ Transverse powertrain ISG Inspire all-in-one machine 、 Inter shaft power generation / Drive motor 、 Inter axle drive motor and wheel drive motor , And gradually loading and application . Research and development of a full range of flat wire motors 、 performance 、 Trial production and mass production , It no longer bothers vehicle manufacturers . The complete vehicle manufacturer can choose the series of models in use according to the flat wire motor supplier , seek most Close to the model you need and improve it , In the shortest period 、 Face the least risk and use the least cost , Launch electric equipment with excellent performance . Our journey is the sea of stars ： The latest science and technology are often used in military equipment first . Use electric technology to improve the efficiency of military equipment drive system and increase the tactical capability with more practical significance . In China, the development of the whole new energy industry chain is only 8 Year time , The civil electric drive 、 The power battery and all high-voltage electronic control systems have completed all independent research and development and mass production capacity . systematic 、 Mature civil flat wire electric drive system , It can be used in the field of military equipment in reverse .
Just when the civilian car stops at 350-400 Volt voltage platform 、 Military wheel shoe equipment enters 500 The era of volt platform , China's local professional suppliers of flat wire motors have submitted to 800 V high voltage platform into . It can be mass produced 13000-18000 turn / branch 、 Maximum output 160 kw -500 kw , in the light of EV\HEV\PHEV\EREV Oil cooled flat wire electric drive system with various electric drive forms . Just when other motor manufacturers fall into investment - project - The trial production - batch production - The dead cycle of cost , Some excellent manufacturers have come up with systematic products and application cases , At the first time, we can improve and mass produce the latest model according to the demand , Greatly reduce the early development cost , Ensure that new technologies can be applied more widely . Produced by the evaluation team of new energy information analysis network
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